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Document Markups - Stormwater Management Plan - 07/22/2025
Bloom Commercial SWMP Report Ga . 1011oway . .. .. .. . . . . . . . .. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. .. . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . . . . ' ' * * . . . * . . . . . * . . . . . . . . . . . . . • R 1 R 1 1 P 1 BLOOM COMMERCIAL Fort Collins, CO PREPARED FOR: Erosion Control Reports are required for all projects over an acre.The SWMP satisfies this requirement but will be reviewed Hartford Homes, L LC according to the criteria set forth in the"City if Fort Collins 48U� Goodman St. Stormwater Criteria Manual"(FCSCM)Chapter 2 Section 6, which varies from the State requirements for a C0400000 Ti m nath CO 80547 Construction Stormwater Discharge Permit.The applicant may choose not to add the requested items to the SWMP but will be required to submit an Erosion Control Report as a"Stand Alone"Document.Otherwise,all required items need to be PREPARED BY: included per FCSCM Chapter 2 Section 6. A copy of the Erosion Control Submittal Checklist can be found at Galloway & Company, Inc. https://www.fcgov.com/utilities/business/builders-and-developer s/d eve lop me n t-forms-guidelines-regulations/erosion/ 5235 Ronald Regan Blvd., Suite 200 Johnstown, CO 80534 Contact: James Prelog, PE DATE: Noted thank July 22, 2025 you. TABLE OF • Certification ...................................................................................................................................................4 Engineer's Statement.......................................................................................................................4 Developer's Certification..................................................................................................................4 I. General Requirements..........................................................................................................................5 II. Narrative Site Description.....................................................................................................................5 Natureof Construction Activity.........................................................................................................5 Sequenceof Major Activities............................................................................................................6 Extentof Disturbance.......................................................................................................................7 Soils..................................................................................................................................................7 Pre-Project Vegetation.....................................................................................................................7 Potential Pollution Sources..............................................................................................................7 Non-Stormwater Discharges............................................................................................................7 ReceivingWaters.............................................................................................................................8 III. Site Map................................................................................................................................................9 VicinityMap......................................................................................................................................9 IV. Stormwater Management Controls.....................................................................................................10 Qualified Stormwater Manager......................................................................................................10 OtherPermits.................................................................................................................................10 Potential Pollutant Sources............................................................................................................10 Control Measures for Stormwater Pollution Prevention.................................................................16 ErosionControl ..............................................................................................................................17 MaterialsManagement...................................................................................................................18 SedimentControl ...........................................................................................................................19 Site Management and Other Practices..........................................................................................20 OffsiteControl Measures ...............................................................................................................21 Revising Control Measures and the SWMP...................................................................................21 PermitRenewal..............................................................................................................................22 V. Final Stabilization & Long-Term Stormwater Management................................................................22 Inactivation of Permit Coverage.....................................................................................................23 VI. Inspection & Maintenance Procedures...............................................................................................23 InspectionSchedules.....................................................................................................................24 InspectionProcedures ...................................................................................................................24 Control Measure Maintenance/Replacement and Failed Control Measures.................................26 RecordKeeping and Documentation.............................................................................................27 VII. Conclusion ..........................................................................................................................................28 Conformancewith Standards.........................................................................................................28 DrainageConcept..........................................................................................................................28 VIII. References..........................................................................................................................................28 Galloway&Company, Inc. Page 2 of 33 NRCS Web Soil Survey Information Generate report from: https://websoiIsurvey.sc.egov.usda.gov/App/HomePage.htm.......................................................29 FEMA FIRMette Generate from: https://msc.fema.gov/portal/home .............................................29 CDPS Attachment A—SWMP Certification...................................................................................29 City of Anytown Grading and Erosion Control Permit....................................................................29 Appendix B—SWMP Site Maps and Calculations......................................................................................30 SWMP Site Maps and Details........................................................................................................30 Temporary Sediment Basin Capacity Calculations........................................................................30 AppendixC—Training Documentation .......................................................................................................31 AppendixD— Inspection Report.................................................................................................................32 StateInspection Report Template .................................................................................................32 Appendix E—Spill and Prevention Control.................................................................................................33 Spill Prevention and Control Plan ..................................................................................................33 SiteSpill Log ..................................................................................................................................33 Galloway&Company, Inc. Page 3 of 33 Certification Engineer's Statement I hereby attest that this Stormwater Management Plan (SWMP) document for the Bloom Commercial project has been prepared by me or under my direct supervision, and to the best of my knowledge and ability has been prepared in accordance with requirements. The signature and stamp affixed hereon certifies that this document was prepared in accordance with the required regulations and criteria; however, the stamp and signature does not certify that or guarantee future performance of the execution of the plan by the contractor. The contractor is responsible for the construction work according to the information set forth in the plan in accordance with all applicable requirements. First Last Name Date Registered Professional Engineer State of Colorado No. Developer's Certification Hartford Homes, LLC hereby certifies that the SWMP facilities for Bloom Commercial shall be installed and maintained according to the design presented in this report. This Erosion and Sediment Control Plan has been placed in the City of Fort Collins file for this project. The Plan fulfills the Urban Drainage and Flood Control District's technical criteria and the criteria for erosion control and requirements of City of Fort Collins to the best of my knowledge. I understand that additional erosion control measures may be needed if unforeseen erosion problems occur or if the submitted Plan does not function as intended. The requirements of this Plan shall run with the land and be the obligation of the land owner until such time as the plan is properly completed, modified, or voided. Authorized Signature Date Hartford Homes, LLC Galloway&Company, Inc. Page 4 of 33 I. General Requirements This Stormwater Management Plan (SWMP) has been prepared for Hartford Homes, LLC, the developer of the site, to fulfill the SWMP requirements of the State of Colorado. The SWMP identifies all potential pollution sources which may be expected to affect stormwater quality and the initial (construction phase) and final (after construction) erosion and sedimentation control requirements. It also specifies the use and maintenance of control measures, designed in accordance with sound engineering and hydrologic practices, to reduce pollutants and sediment in stormwater discharges associated with construction activity. The control measures are presented in detail in the text of this report and are shown on the Erosion and Sediment Control plans (Site Maps) included in the back of this report. This site must implement the provisions of this SWMP as written and updated from commencement of construction activity until final stabilization is complete. Both the owner and operator must apply as permittees, except for instances where the duties of the owner and operator are managed by the owner. The permittee is responsible for updating the SWMP as construction activity on the site dictates and documenting any changes within this document. Additionally, this SWMP details control measures and processes for spill prevention control and countermeasures which shall be adhered to on site. II. Narrative Site Description The project is located directly south of Donella Drive and north of East Mulberry Street, just west of 1-25, to the east of the Mosaic Subdivision in Fort Collins, Colorado. The project is located in the NW '/4 of Section 9, Township 7 N, Range 66 West of the 6th P.M., City of Fort Collins, County of Larimer, State of Colorado. A vicinity map is included in Section IV for reference. Project Coordinate Location • Longitude 105°07'02.4"W • Latitude 40°35'00.6" N The Bloom Commercial development encompasses ±35.6 acres and will include the development of multi-family homes, commercial use, and associated streets, utilities, and open space. Nature of Construction Activity The project consists of the construction of utility and roadway infrastructure for the commercial subdivision. Improvements will include cut/fill grading, underground utility mains and service extensions, internal roadway installation, building foundation and vertical construction, installation of detention/water quality facilities, and installation of associated landscaping, parking, drives, and site amenities. Galloway&Company, Inc. Page 5 of 33 Sequence of Manor Activities The projected sequence of work is expected to occur in the following order, with some overlap and adjustments as site conditions dictate: • Install control measures • Construct drainage swales • Clear and grub • Rough overlot grading • Grade building pad • Trench and install underground utilities • Commence vertical construction • Fine grade the remainder of the site • Pavement installation • Seed native areas and install permanent landscaping • Remove final control measures upon establishment of vegetation Construction is anticipated to begin in early 2026. The major phases of construction and their associated control measures are listed in the following table. Clearing Rough utility Building Curb and Paving Fine Permanent and Grading Installation Construction Gutter Grading Landscaping Grubbing Construction Dust Control Concrete and Masonry Washout Area Good Housekeeping Silt Fence Inlet Protection Vehicle Tracking Control v v v v Stabilized Staging Area Street Sweeping Temporary Batch Plant Galloway&Company, Inc. Page 6 of 33 Extent of Disturbance The total area of the site is ±35.6 acres. Construction of this project will account for disturbed and impervious areas as shown in the table below. Total Disturbed Area (ac) 35.6 Pre-Construction Impervious Area (ac) 3.50 Post-Construction Impervious Area (ac) 31.5 Total new Impervious Area (ac) 28.0 Soils The NRCS Web Soil Survey of Larimer County, Colorado indicates site soils to be Ascalon Sandy Loam, and Garrett Loam Hydrologic Soil Type B. The soil texture on the site is predominantly loam. Refer to Appendix A for the soil survey information. Group B soils are moderately susceptible to erosion. Pre-Project Vegetation In the pre-project condition, the site exists as vacant land with native grasses throughout (95% vegetative cover). Vegetative cover was determined by visual site observation. Potential Pollution Sources During construction there is potential for pollution from grading, utility, roadway, and building construction activities. These activities include ground disturbance, refueling and maintenance of equipment, washing of equipment, concrete waste, and the on-site use of paints, solvents, and other chemicals required for construction. Additionally, there is potential for pollution from the concrete and masonry washout area(s), temporary batch plant, worker's trash and portable toilets. Requirements for locations of potential pollution sources are included in Section IV — Stormwater Management Controls. Locations of potential pollution sources will be shown and updated on the Site Maps by the Qualified Stormwater Manager (QSM). The QSM is also responsible for adhering to the Spill Prevention and Control Plan included in Appendix E of this plan. Non-Stormwater Discharges Based on current information, the only non-stormwater discharges anticipated are landscape irrigation return flow, emergency firefighting activities, discharge to the ground of concrete and masonry washout water, and construction dewatering activities. A designated contained concrete and masonry washout area is located on the Site Map; infiltration discharge of concrete and masonry washout water from washing of tools and concrete and masonry mixer chutes may be discharged on this construction site provided that control measures in accordance Galloway&Company, Inc. Page 7 of 33 with Part 1.13.1.a.ii.(b) of the Colorado General Permit for Stormwater Discharges Associated with Construction Activity are installed to prevent pollution of groundwater and discharges do not leave the site as surface runoff or reach receiving waters as defined by the Colorado General Permit for Stormwater Discharges Associated with Construction Activity. On-site waste disposal of concrete is not authorized by the Colorado General Permit for Stormwater Discharges Associated with Construction Activity. If landscape irrigation is to be installed, then potential return flow from the irrigation system must be documented. Discharges from diversions of state waters within the permitted site. Emergency firefighting activities that may occur on the site during active emergency response are permissible under the Colorado General Permit for Stormwater Discharges Associated with Construction Activity. If low risk discharges including potable water monitoring devices, potable water snowmelt, or uncontaminated groundwater to land occur, they must be discharged in accordance with the CDPHE Low Risk Discharge policies. The following discharges are NOT allowable discharges under the state permit. Permittees may seek individual or alternate general permit coverage for these discharges, as appropriate and available. • Water from external building washdown (regardless of whether soaps and/or solvents are used); • Vehicle and equipment washing (regardless of whether soaps and/or solvents are used); • Discharges from washout water that contain paints, oils, curing compounds, etc.; • Discharges of fuels or and/or oils; • Discharges from paved surfaces where High Polyaromatic Hydrocarbon (PAH) Sealant is applied; • Discharges of reclaimed water approved for use in dust suppression; and • Chemical additions to water of any kind. Receiving Water needs to be a"WOTUS" Updated to Please update the cache La Poudre as the Receiving Waters ultimate receiving water. add the The project area will drain to three (3) detention ponds located on the prop Cache La tion ponds Poudre the discharge generated by the site will be routed to the Cooper Slough receiving water. The proposed detention ponds will provide water quality and detention for the entire site. The receiving water is not defined as a Colorado Outstanding Water. Galloway&Company, Inc. Page 8 of 33 Because wetlands were not found on or around the site, construction is not anticipated to have any negative affect on wetlands. Since this property is currently zoned for commercial business district uses and has no historic designations, historic properties will not be encountered and will not place additional restrictions on stormwater. III. Site Map Vicinity Map BLOOM COMMERCIAL E.Vine Dr. 000paer SO��l, ..W. -wrw-Pd" r PR�JET SITE BLOOM C)MMER IAL Lake Gana E_ Muaf rryr k_ Galloway&Company, Inc. Page 9 of 33 IV. Stormwater Management Controls Qualified Stormwater Manager The Qualified Stormwater Manager (QSM) is an individual knowledgeable in the principles and practices of erosion and sediment control and pollution prevention and has the skills to assess conditions at construction sites that could impact stormwater quality and to assess the effectiveness of stormwater controls implemented to meet the requirements of the CDPS General Permit. The Permittee(s) is responsible for ensuring that the inspector is a qualified stormwater manager. The Permittee(s) shall designate a QSM who will be the contact for all SWMP related issues and the person responsible for its accuracy, completeness, and implementation. The QSM should be a person with authority to adequately manage and direct day-to-day stormwater quality management activities at the site. The QSM is responsible for holding a weekly stormwater meeting attended by the Permittee(s) with all contractors and subcontractors involved in ground-disturbing activities to review the requirements of the Permit(s), the SWMP, and address any problems that have arisen in implementing the SWMP or maintaining the BMPs. The QSM shall maintain a log of all weekly meetings and document the issues addressed in the meetings. The name and contact information for the Qualified Stormwater Manager is: Name: TBD Phone: Other Permits Other applicable permits include: N/A Potential Pollutant Sources Potential pollutant sources for this site include: Disturbed and Stored Soils —The entire site will be grubbed and overlot graded prior to major utility and roadway construction. This will be a one-time activity and should be completed relatively early in the project timeline. The areas of grading that will not require additional disturbance shall receive final landscaping within 7 days. Otherwise temporary seeding and mulching will be required within 7 days of last disturbance if no further disturbance is anticipated for at least 14 days. Any soil stockpiles utilized during construction will be covered with a tarpaulin when not in active use and will have silt fence installed along the base of the slope. Galloway&Company, Inc. Page 10 of 33 Construction Vehicle Entrance and Vehicle Tracking of Sediments —There is potential for tracking of soils between the beginning of the grading process and the final stabilization of the site. Construction vehicle entrances shall be minimized to reduce the potential for tracking of soils off-site and vehicle tracking control shall be installed at each construction entrance. Vehicle tracking control is to be installed prior to land disturbance activities and sweeping is to take place as needed. Vehicle access to the exposed and disturbed subgrade will be limited primarily to roll on/off earthmoving equipment and heavy materials delivery trucks. The QSM is responsible for ensuring that access to exposed subgrade is limited, both in quantity and in timing relative to the tracking susceptibility of the soil as it relates to moisture content. The QSM must keep the adjacent parking areas and public rights-of-way free from mud and other tracked debris from the site. Management of Contaminated Soils — Contaminated soils are not anticipated based on due diligence conducted for the project site. If suspect soils are encountered construction activity shall immediately halt and environmental professionals shall review the materials and provide recommendations on handling of materials. All handling of materials shall be in accordance with State and Federal regulations. The SWMP shall be updated and control measures installed to manage the potential new source of pollution. Loading and Unloading Operations—Loading and unloading operations are expected during demolition and during the delivery and staging of materials and equipment. Additionally, imported materials may be necessary to achieve final grades. All loading and unloading operations of equipment shall be accomplished in areas protected by erosion and sediment controls. It is recommended that all equipment be cleaned on-site and within protected areas prior to exiting the site. Outdoor Storage Activities — Outdoor storage is anticipated during construction activities including delivery and staging of materials. Potential chemicals include paint, fuel, oil, form oil, hydraulic fluid, plumbing glue, and fertilizer. Outdoor storage activities shall be limited to the designated stabilized staging area. All stored chemicals require protection from the elements and must be stored off the ground in some manner. An emergency spill kit is required to be in proximity of any stored chemicals and hazardous materials. The kit at a minimum would have a broom, chemical absorbent, shovel, and turn pallets. Good housekeeping practices shall be employed to prevent pollution associated with solid, liquid, and hazardous construction-related materials and wastes. Secondary containment (or equivalent protection) is required for individual containers 55 gallons or greater of petroleum products, chemicals, or solvents to contain spills and reduce the likelihood of contamination of State Waters and Waters of the United States. Spills and leaks must be minimized. Upon identification, spills and leaks must immediately be contained and mitigated. The QSM shall show storage locations on the site maps and update them as needed. Galloway&Company, Inc. Page 11 of 33 Fueling of Vehicles and Equipment — Vehicle and equipment fueling shall occur within the stabilized staging area. Fueling is expected to occur during all phases of construction activity. Under no circumstances shall fueling take place within 200 feet of any State Waters or Waters of the United States or within 50 feet of an inlet or ditch. Spill response kits shall be readily available an accessible at locations where fueling takes place. Please refer to the Hazardous Material Management and Spill Reporting Plan section for information on clean-up and disposal of spills. Temporary on-site fuel tanks for construction vehicles shall meet all state and federal regulations. Tanks shall have approved spill containment with the capacity required by the applicable regulations. From NFPA 30: All tanks shall be provided with secondary containment (i.e. containment external to and separate from primary containment). Secondary containment shall be constructed of materials of sufficient thickness, density, and composition so as not to be structurally weakened as a result of contact with the fuel stored and capable of containing discharged fuel for a period of time equal to or longer than the maximum anticipated time sufficient to allow recovery of discharged fuel. It shall be capable of containing 110% of the volume of the primary tank if a single tank is used, or in the case of multiple tanks, 150% of the largest tank or 10% of the aggregate, whichever is larger. The tanks shall be in sound condition free of rust or other damage which might compromise containment. Fuel storage areas will meet all EPA, OSHA and other regulatory requirements for signage, fire extinguisher, etc. Hoses, valves, fittings, caps, filler nozzles, and associated hardware shall be maintained in proper working condition at all times. The location of fuel tanks shall be shown on the Site Maps and shall be located to minimize exposure to weather and surface water drainage features. A Spill Prevention and Control (SPCP) Plan has been included in Appendix E. Maintenance of Vehicles and Equipment— If equipment is to be maintained and stored in an open area this area should not be within the drip line of trees and not be within 100 feet of a watercourse or wetland. Runoff should be diverted away from watercourses and wetlands. Maintenance should be done on impervious areas surrounded with impervious berms. Where this is not possible, use pads designed to contain the pollutants which may leak or spill during maintenance operations. Impervious pads are particularly important on sandy and other course soils where spilled materials can easily leach into the groundwater. Equipment shall be checked before and after each use and, minimally, during the weekly stormwater inspection if otherwise idle. Periodic checks of the equipment wash areas shall be performed to ensure proper operation. Galloway&Company, Inc. Page 12 of 33 Hazardous Material Management and Spill Reporting Plan — Any hazardous or potentially hazardous material that is brought onto the construction site will be handled properly in order to reduce the potential for storm water pollution. All materials used on this construction site will be properly stored including the use of secondary containment measures, handled, dispensed and disposed of following all applicable label directions. Flammable and combustible liquids will be stored and handled according to 29 CFR 1926.152. Only approved containers and portable tanks shall be used for storage and handling of flammable and combustible liquids. Material Safety Data Sheets (MSDS) information will be kept on site for any and all applicable materials. In the event of an accidental spill, immediate action will be undertaken by the General Contractor to contain and remove the spilled material. All hazardous materials will be disposed of by the Contractor in the manner specified by federal, state and local regulations and by the manufacturer of such products. As soon as possible, the spill will be reported to the appropriate agencies. As required under the provisions of the Clean Water Act, any spill or discharge entering waters of the United States will be properly reported. The General Contractor will prepare a written record of all spills and associated clean- up and will provide also notify the City of Fort Collins (970-221-6605) and Larimer County (970-498- 7000). The General Contractor will provide notice to Owner immediately upon identification of a reportable spill. Any spills of petroleum products or hazardous materials in excess of Reportable Quantities as defined by EPA or the state or local agency regulations, shall be immediately reported to the EPA National Response Center (1-800-424-8802), the Colorado Department of Public Health and Environment (CDPHE) (1-877-518-5608), the City of Fort Collins (970-221-6605) and Larimer County (970-498-7000). The State reportable quantity for petroleum products is 25 gallons or more (or that cause a sheen on nearby surface waters). Spills from regulated aboveground and underground fuel storage tanks must be reported to the State Oil Inspector within 24 hours (after-hours contact CDPHE Emergency Spill Reporting Line). This includes spills from fuel pumps. Spills or releases of hazardous substances from regulated storage tanks in excess of the reportable quantity (40 CFR Part 302.6) must be reported to the National Response Center, the local fire authority immediately, the State Oil Inspector, the City of Fort Collins (970-221-6605) and Larimer County (970-498-7000). within 24 hours. The reportable quantity for hazardous materials can be found in 40 CFR 302 at: http://www.ecfr.gov/cqi-bin/text-idx?tpl=/ecfrbrowse/Title40/40cfr302 main 02.tpi In order to minimize the potential for a spill of petroleum product or hazardous materials to come in contact with storm water, the following steps will be implemented: Galloway&Company, Inc. Page 13 of 33 a) All materials with hazardous properties (such as pesticides, petroleum products, fertilizers, detergents, construction chemicals, acids, paints, paint solvents, additives for soil stabilization, concrete, curing compounds and additives, etc.) will be stored including secondary containment measures in a secure location, under cover, when not in use. b) The minimum practical quantity of all such materials will be kept on the job site and scheduled for delivery as close to time of use as practical. c) A spill control and containment kit (containing for example, absorbent material such as kitty litter or sawdust, acid neutralizing agent, brooms, dust pans, mops, rags, gloves, goggles, plastic and metal trash containers, etc.) will be provided on the construction site and location(s) shown on Site Maps. The kit should be inspected for completeness as a part of weekly stormwater inspections. d) All of the product in a container will be used before the container is disposed of. All such containers will be triple rinsed with water prior to disposal. The rinse water used in these containers will be disposed of in a manner in compliance with state and federal regulations and will not be allowed to mix with storm water discharges. e) All products will be stored in and used from the original container with the original product label. f) All products will be used in strict compliance with instructions on the product label. g) The disposal of excess or used products will be in strict compliance with instructions on the products label and local regulations. The contractor is responsible for the Spill Prevention and Control Plan (SPCP) included in Appendix D of the SWMP. If the contractor elects to provide his own SPCP it must be included in Appendix D as a replacement. A contractor provided SPCP shall clearly state measures to stop the source of a spill, contain the spill, clean up the spill, dispose of contaminated materials, and train personnel to prevent and control future spills. In addition, the SPCP must include contact and documentation requirements for each of the Minor, Significant, and Hazardous spill magnitudes. Further requirements are listed below in the equipment fueling section. Significant Dust or Particulate Generating Processes — Dust and airborne particulates can be expected during clearing and grubbing, site grading, saw cutting, and final stabilization activities. On Galloway&Company, Inc. Page 14 of 33 areas of exposed soil, minimize dust through the appropriate application of water or other dust suppression techniques. Water application must be conducted in a manner to prevent discharge offsite. Dust mitigation shall be implemented as necessary. Routine Maintenance Activities Involving Chemicals, Detergents, Fuels, Solvents, Oils, etc. — On- site routine maintenance activities involving fertilizers, pesticides, detergents, fuels, solvents, oils, etc. shall occur within the stabilized staging area when possible and shall be kept to a minimum. Routine maintenance activities are expected to occur during all phases of construction activity. The QSM shall show storage locations on the appropriate plan sheets and update them as needed. All chemicals are to be protected from the elements. Spill response kits shall be readily available an accessible at locations where maintenance takes place. Please refer to the Hazardous Material Management and Spill Reporting Plan section for information on clean-up and disposal of spills. On-Site Waste Management — Waste generation is expected as a result of construction activities. All waste shall be properly stored and disposed of to minimize the potential for pollution of stormwater or snowmelt runoff. Additionally, on-site waste should be stored such that wind will not transport refuse away from the storage area. This may include the use of storage containers, dumpsters, fencing or covers. Concrete Truck/Equipment Washing (including truck chute and associated fixtures and equipment) — Concrete washout area shall be installed prior to any concrete placement on site. Signs shall be placed at the construction entrance(s), at the washout area, and elsewhere as necessary to clearly indicate the location of the concrete washout area. The washout area shall be repaired and enlarged or cleaned out as necessary to maintain capacity for wasted concrete. Concrete and concrete wash water shall be removed from the site and disposed of at an accepted waste facility. Dedicated Asphalt and Concrete Batch Plants — A small temporary batch plant may be installed to allow on-site storage and mixing of concrete and masonry. This should be protected by sediment traps, silt fence, drainage swales or other perimeter protection as appropriate to keep stockpiled material within the plant area and located on the Site Maps by the QSM. Non-Industrial Waste Management • Worker's Trash — The site shall be policed at the end of each work day to be kept free of trash and debris resulting from workers day to day activities. If necessary, utilize clearly marked and protected containers for trash and debris at convenient locations throughout the site. Burying of waste on site is prohibited. Trash must be properly contained at the end of each day. Galloway&Company, Inc. Page 15 of 33 • Waste Collection Areas — Locate waste collection areas such as dumpsters away from streets, gutters, watercourses, and storm drains. Waste collection areas are best located near construction site entrances to minimize traffic on disturbed soils. Consider secondary containment around waste collection areas to minimize the likelihood of contaminated discharges. • Portable Toilets — All personnel involved with construction activities must comply with state and local sanitary or septic system regulations. Temporary sanitary facilities will be provided at the site throughout the construction phase. They must be utilized by all construction personnel and must be serviced weekly by a commercial operator. The location of sanitary facilities shall be shown on the Site Maps. Portable toilets must be securely anchored a minimum of 10' behind curbs and are not allowed within 50' of inlets or within 50' of a water of the State or the municipal storm drain system. Consider secondary containment around portable toilets to minimize the likelihood of contaminated discharges. • Concrete and Saw Cutting Waste — Concrete and asphalt cutting are expected during demolition activities. The waste material from these operations will be fully contained and cleaned up immediately by vacuum. Any remaining residue shall be cleaned by vacuum or street sweeping. Dewatering — Dewatering of excavations shall occur as permitted by a Water Quality Control Division Low Risk Guidance Document. Any water from dewatering operations shall be uncontaminated and discharge to a control measure and captured on-site for infiltration and/or evaporation. Under no circumstances shall construction dewatering water be allowed to leave the site as surface runoff. If contamination of groundwater is suspected, a separate construction dewatering permit will be required. Control Measures for Stormwater Pollution Prevention The following erosion control, sediment control, materials management, and site management measures shall be utilized and/or installed as indicated on the site maps to reduce the potential of the sources identified above to contribute pollutants to stormwater discharges. The following structural control measures are anticipated to be implemented on this site: BMP Quantity Unit Temporary Seeding X AC Concrete Washout Area X EA Soil Stockpile X CY Silt Fence X LF Straw Wattle/Sediment Control Logs X LF Storm Sewer Inlet Protection X EA Galloway&Company, Inc. Page 16 of 33 Sediment Basin X EA Construction Fence X LF Vehicle Tracking Control X SY Stabilized Staging Area X SY Outlet Protection X EA Wattle Dike X EA Rough Cut Street Control X LF Site maps and control details can be found in Appendix B of this document. Erosion Control Temporary and Permanent Seeding —All denuded areas that will be inactive for 14 days or more must be stabilized temporarily with the use of fast-germinating annual grass/grain varieties appropriate for site soil and climate conditions, straw/hay mulch, wood cellulose fibers, tackifiers, netting and/or blankets. Stockpiles and drainage swales/berms must be stabilized to prevent erosion and dust issues. A native seed mix shall be used. All areas at final grade must be seeded or sodded within 14 days after completion of work in that area. Prepare soil and seed immediately after final grade is achieved. At the completion of ground-disturbing activities the entire site must have permanent vegetative cover, meeting vegetative cover requirements, or mulch per landscape plan, in all areas not covered by hardscape (pavement, buildings, etc.). Except for small (<100 SF) level spots, seeded areas should be protected with mulch, tackifier, or a rolled erosion control product. Mulch must be crimped by disc or other machinery. Temporary Outlet Protection — Permanent or temporary outlet protection helps to reduce erosion immediately downstream of a pipe, culvert, slope drain, rundown or other conveyance with concentrated, high-velocity flows. Typical outlet protection consists of an energy dissipater such as riprap or rock aprons at the conveyance outlet. Their main purpose is to reduce the speed of concentrated flows to prevent scour at conveyance outlets. Outlet protection shall be designed to handle runoff from the largest drainage area that may be contributing runoff during construction. Rock shall be keyed to a minimum depth of 6 inches for stability around the entire perimeter of the apron. Additional erosion control measures such as vegetative lining, turf reinforcement mat, and/or other channel lining methods may be required downstream of the outlet protection if the channel is susceptible to erosion. Outlet protection shall be installed prior to the start of earth moving operations and remain in place until the conveyance no longer poses a risk for erosion. Rough Cut Street Control — Rough cut street controls are rock or earthen berms placed along dirt roadways that are under construction or used for construction access. These temporary berms intercept sheet flow and divert runoff from the roadway, and control erosion by minimizing concentration of flow Galloway&Company, Inc. Page 17 of 33 and reducing runoff velocity. Rough cut street controls may be used on temporary dirt construction roadways that have not received road base or roadways under construction that will not be paved within 14 days of final grading and that have not received road base. Barriers shall be installed perpendicular to the longitudinal slope from the outer edge of the roadside swale to the crown of the road. Barriers shall be positioned alternately from the right and left side of the road to allow construction traffic to pass in the lane not barred. Rough cut street controls may be omitted for 400 feet from the entrance if congested construction traffic is expected. Runoff from the controls should be directed to another stormwater control measure such as a roadside with check dams once removed from the roadway. Rough cut street controls shall be installed once dirt roadways are graded. They shall remain in place until adequate road base and/or pavement is installed on the roadways. Earth Dikes and Drainage Swales — Drainage swales are temporary storm conveyance channels constructed either to divert runoff around slopes or to convey runoff to additional sediment control measures prior to discharge of runoff from a site. Drainage swales must be lined using riprap, plastic or erosion control blankets and are usually used in conjunction with check dams for slowing flow velocities. Materials Management Concrete and Masonry Washout Area — The concrete washout area shall be installed prior to any concrete placement on site. Signs shall be placed at the construction entrance(s), at the washout area, and elsewhere as necessary to clearly indicate the location of the concrete washout area. The washout area shall be repaired and enlarged or cleaned out as necessary to maintain capacity for wasted concrete. Concrete shall be removed from the site and disposed of at an accepted waste facility. The concrete washout area shall be installed as shown on site maps prior to any concrete work. It shall remain in place until all concrete work is complete. Discharges that may reach groundwater must flow through soil that has buffering capacity prior to reaching groundwater, as necessary to meet the effluent limits in the Colorado General Permit for Stormwater Discharges Associated with Construction. The concrete washout area shall not be located in an area where shallow groundwater may be present, such as near natural drainages, springs, or wetlands. Stockpile Management — Stockpile management includes measures to minimize erosion and sediment transport from soil stockpiles. Soil stockpiles shall be located away from all drainage system components including inlets. When practical, choose stockpile locations that will remain undisturbed for the longest period of time as the phases of construction progress. Place sediment control measures such as silt fence, straw wattles, or rock socks around the perimeter of all stockpiles. For stockpiles in active use, provide a stabilized designated access point on the upgradient side of the stockpile. Soils stockpiled for more than 60 days should be seeded and mulched with a temporary grass cover. Soil stockpile Galloway&Company, Inc. Page 18 of 33 management shall be installed when soil stockpiling begins. It shall remain in place until all soil has been replaced or hauled off-site to a permanent location. Good Housekeeping Practices — A clean and orderly work site reduces the possibility of accidental spills and reduces safety hazards to employees and subcontractors. It will also help minimize potential contamination of stormwater runoff. Housekeeping practices are to include providing waste management, establishing proper building material staging areas, designating paint and concrete washout areas, establishing proper equipment and vehicle fueling and maintenance practices, controlling equipment and vehicle washing and allowable non-stormwater discharges, and developing a spill prevention and response plan. Good housekeeping practices shall be employed throughout the duration of construction. Sediment Control Silt Fence — Silt fence is a synthetic permeable woven or non-woven geotextile fabric incorporating support stakes at intervals sufficient to support the fence (5-feet maximum distance between posts), water, and sediment retained by the fence. The fence is designed to retain sediment-laden storm water and allow settlement of suspended soils before the storm water flows through the fabric and discharges off-site. Silt fence shall be located on the contour to capture overland, low-velocity sheet flows. Silt fence shall be installed at the start of construction prior to any earth moving activities. Silt fence shall remain in place until site construction has been completed to a point where other control measures can control the remaining sediment concerns. Straw Wattles or Sediment Control Logs — Straw waddles or sediment control logs consist of straw, compost, excelsior, or coconut fiber and are staked to the ground to prevent sediment transfer. The waddles are designed to retain sediment-laden storm water and allow settlement of suspended soils before the storm water flows through the waddle and discharges off-site. Straw waddles shall be located on the contour to capture overland, low-velocity sheet flows. Straw wattles shall be installed as needed as construction proceeds to prevent sediment transport (e.g. at top back of curb and gutter, at edge of sidewalk). Straw wattles shall remain in place until final stabilization. Storm Sewer Inlet Protection — Inlet protection devices intercept and/or filter sediment before it can be transported from a site into the storm drain system and discharged into a lake, river, stream, wetland, or other body of water. These devices also keep sediment from filling or clogging storm drain pipes, ditches, and downgradient sediment traps or ponds. Inlet protection may also include placement of a barrier to create a bypass of an inlet transferring flow downstream to a sediment trap, basin, or other inlet discharging to a non-critical area. The primary mechanism is to place controls in the path of flow sufficient to slow the sediment-laden water to allow settlement of suspended soils before discharging into Galloway&Company, Inc. Page 19 of 33 the storm sewer. It is possible that as construction progresses from storm sewer installation through to paving that the inlet protection devices should change. All inlet protection devices create ponding of storm water. This should be taken into consideration when deciding on which device or devices should be used. Inlet protection shall be installed around all existing inlets at the start of construction prior to any earth moving activities and around all proposed inlets as they are constructed. Inlet protection shall remain in place until final stabilization (pavement and/or landscaping). Sediment Basin — Sediment basins are temporary ponds built to capture storm runoff and sediment prior to discharge from the site. These are designed to capture site runoff and slowly release it to allow time for settling of sediment prior to discharge. Sediment basins shall be installed at the start of construction and remain in place until it is converted to the permanent detention basin towards the end of site construction. Design data for sediment basins are included in Appendix B of this report. Site Management and Other Practices Construction Phasing and Scheduling — Effective construction site management to minimize erosion and sediment transport includes attention to construction phasing, scheduling, and sequencing of land disturbing activities. On most construction projects, erosion and sediment controls will need to be adjusted as the project progresses and should be documented in the SWMP. All construction projects can benefit from upfront planning to phase and sequence construction activities to minimize the extent and duration of disturbance. Larger projects and linear construction projects may benefit most from construction sequencing or phasing, but even small projects can benefit from construction sequencing that minimizes the duration of disturbance. Typically, erosion and sediment controls needed at a site will change as a site progresses through the major phases of construction. Erosion and sediment control practices corresponding to each phase of construction must be documented in the SWMP. Vehicle Tracking Control — Vehicles leaving construction sites can track sediment onto adjoining roadways. This sediment can create safety hazards and contribute significantly to sediment pollution in waterways. The purpose of a vehicle tracking control measure is to prevent soil and mud on work vehicles from being carried offsite and deposited on public roads, parking lots, and other areas. All points closed to the general public and providing access into the construction site shall include a marked construction exit with structural and nonstructural vehicle tracking controls. This may include tracking pads, minimizing site access, wash racks, graveled parking areas, maintaining vehicle traffic to paved areas, street sweeping, and sediment control measures. If a wheel wash system is installed, a sediment trap control must be installed to treat the wash water before it discharges from the site. Discharge must be directed to the sediment basin or sediment trap within the limits of construction as indicated. Vehicle Galloway&Company, Inc. Page 20 of 33 tracking controls shall be installed at all construction access points at the start of construction prior to any earth moving activities. They shall remain in place until permanent pavement is installed. Stabilized Construction Roadway —A stabilized construction roadway is a temporary method to control sediment runoff, vehicle tracking, and dust from roads during construction activities. When a construction roadway is expected to have frequent construction traffic it is advisable to install a stabilized construction roadway instead of rough-cut street controls. The road surface shall be stabilized with an aggregate base course of 3-inch diameter granular material. Roadside ditches shall also be stabilized if applicable. Early application of road base is typically suitable in place of the coarse aggregate specified above. Stabilized Staging Area —This is a clearly designated area where construction equipment and vehicles, stockpiles, waste bins, and other construction-related materials are stored. The stabilized storage area consists of a stabilized surface, covered with 3-inch diameter aggregate or larger. The stabilized staging area shall be installed as shown on the site maps at the start of construction prior to any earth moving activities. It shall remain in place until permanent pavement is installed. Temporary Batch Plant Management — Temporary batch plant management includes implementing multiple control measures such as perimeter controls, concrete washout area, stabilized construction access, good housekeeping, and other practices designed to reduce polluted runoff from the batch plant area. Offsite Control Measures The SWMP must include a documented use agreement between the Permittee and the Owner or Operator of any control measures located outside of the permitted area that are utilized by the Permittee's construction site for compliance with this permit, but are not under the direct control of the Permittee. The Permittee is responsible for ensuring that all control measures located outside of their permitted area, that are being utilized by the Permittee's construction site, are properly maintained and in compliance with all terms and conditions of the permit. No offsite control measures are anticipated with this development. Revising Control Measures and the SWMP Should there be changes to the implemented control measures the QSM shall be notified and the SWMP modified to accurately reflect the field conditions. Examples include, but are not limited to, removal of control measures, identification of new potential pollutant sources, addition of control measures, modification of control measure installation and implementation criteria or maintenance procedures, and changes in items included in the Site Map and/or description. SWMP revisions must be made prior to changes in site conditions, except for Responsive SWMP Changes, as follows: Galloway&Company, Inc. Page 21 of 33 • SWMP revisions must be made immediately after changes are made in the field to address control measure installation and/or implementation issues; or • SWMP revisions that require the development of supporting documentation (e.g. design of sediment basin capacity) must be made as soon as practicable, but in no case more than 72 hours, after change(s) in control measure installation and/or implementation occur at the site. Notation must be included in the plan that identifies: • The date of the site change • The control measure removed or modified • The location(s)of those control measure(s) • Any changes to the control measure(s) This SWMP should be viewed as a "living document" that is to be continuously reviewed and modified as part of the overall process of assessing and managing stormwater quality issues on-site. Permit Renewal The duration of the permit is for a fixed term not exceeding five (5) years. If the Permittee desires to continue discharge beyond the original permit terms, a permit renewal application shall be submitted at least one hundred eighty (180) calendar days before this permit expires. The permit's duration may be extended only through administrative extensions and not through interim modifications. Any noncompliance with the original permit constitutes a violation of the Colorado Water Quality Control Act and may be grounds for denial of a permit renewal application. This has been added. V. FinCill JLCUJ11 JIl Stormwater Management This section needs a description of soil preparation in accordance with Fort Collins Municipal Code§12-132 as stated in the Fort Collins Stormwater Criteria Manual Ch.2 Section 6.1.4.9 Permanent stabilization of the site will include establishment of native seeded areas in the right-of-way and overlot graded areas with a native seed mix, permanent landscaping areas, and pavement placement. The Permittee shall minimize soil compaction in areas where infiltration control measures are implemented or where final stabilization will be achieved through vegetative cover. Final site stabilization is achieved when the following are complete: • All construction activities are complete. • Permanent stabilization methods are complete. Permanent stabilization methods include, but are not limited to, permanent pavement or concrete, hardscape, xeriscape, stabilized driving surfaces, vegetative cover, or equivalent alternative stabilization methods. Vegetative cover must mee the following criteria: - Evenly distributed perennial vegetation, and Please include a reference to the Approved Landscape plans for Erosion and Native Seed mixes and planting methods. Reference added Galloway&Company, Inc. Page 22 of 33 - Coverage, at a minimum, equal to 70% of what would have been provided by native vegetation in a local, undisturbed are or adequate reference site. • The permittee must ensure all temporary control measures are removed from the construction site once final stabilization is achieved, except when the control measure specifications allow the control measure to be left in place (e.g. biodegradable control measures, permanent sediment basin). Inactivation of Permit Coverage Once the criteria for final stabilization have been met, the Permittee shall make a request to terminate the permit through the Colorado Environmental Online Services (CEOS) system. If final stabilization is achieved in advance of the expiration date of the permit, the Division shall be promptly notified so the permit can be terminated. The QSM shall provide a completed SWMP binder to the owner at the conclusion of the project which will include the original SWMP, all markups or other changes to the SWMP, and inspection and maintenance records. The owner shall keep this document on file for a minimum of 3 years after construction completion. A. Inspection & Maintenance Procedures The contractor must keep the approved SWMP on site at all times. The person(s) inspecting the site may be on the Permittee's staff or a third party hired to conduct stormwater inspections under the direction of the Permittee. The Permittee is responsible for ensuring that the inspector is a qualified stormwater manager. All regulatory authorities may inspect the land or site covered by the SWMP at any time, without prior notice, for compliance with the SWMP. If site conditions indicate that the objectives of this section are not being met, the operator shall make appropriate modifications to the SWMP. Any modification must be recorded on the owner's copy of the SWMP and the QSM notified. The Permittee must maintain inspection records on site with the SWMP and such records must be provided to the regulatory agencies for review upon request. At a minimum, the inspection report must include: i. The inspection date ii. Name(s)and title(s) of personnel conducting the inspection iii. Weather conditions at the time of inspection iv. Phase of construction at the time of inspection V. Estimated acreage of disturbance at the time of inspection vi. Location(s) of and identification of control measures requiring routine maintenance vii. Location(s) of and identification of discharges of sediment or other pollutants from the site viii. Location(s) and identification of inadequate control measures Galloway&Company, Inc. Page 23 of 33 ix. Location(s) and identification of additional control measures needed that were not in place at the time of inspection. X. Description of corrective action(s) for items vii, viii, and ix above, dates corrective action(s) were completed, including requisite changes to the SMP, as necessary. xi. Description of the minimum inspection frequency (either in accordance with Part I.D.2., I.D.3. or I.D.4.) utilized when conducting each inspection. xii. Deviations from the minimum inspection schedule as required in Part I.D.2. xiii. After adequate corrective action(s)and maintenance have been taken, or where a report does not identify incidents requiring corrective action or maintenance, the report shall contain a statement as required in Part I.A.M. The State Construction Stormwater Site Inspection Report template has been included in Appendix D. The Permittee may provide their own inspection report if desired but must ensure it meets the requirements above. Any person(s) signing inspection documents required for compliance must make the following statement and provide the date of the statement: "I verify that, to the best of my knowledge and belief, that if any corrective action items were identified during the inspection, those corrective actions are complete, and the site is currently in compliance with the permit." Inspection Schedules Between the time this SWMP is implemented and final Inactivation Notice or Termination Application has been submitted, all disturbed areas and pollutant controls must be inspected with one of the following minimum frequencies: • At least one inspection every 7 calendar days • At least one inspection every 14 calendar days, plus post-storm event inspections conducted within 24 hours after the end of any precipitation or snowmelt event that causes surface erosion. If more frequent inspections are required to ensure that control measures are properly maintained and operated, the inspection schedule must be modified to meet this need. The first site inspection must occur within 7 calendar days of the commencement of construction activities on site. The contractor and QSM shall adhere to the maintenance schedules listed in the details for each control measure. Permittees must conduct site inspections at least once every 7 calendar days for sites that discharge to a water body designated as an Outstanding Water by the Water Quality Control Commission. Preventative maintenance shall be coupled with periodic inspections. Inspection Procedures The purpose of site inspections is to assess performance of pollutant controls. Based on these inspections the contractor, in consultation with the QSM (if different) will decide whether it is necessary to modify this SWMP, add or relocate controls, or revise or implement additional control measures in order Galloway&Company, Inc. Page 24 of 33 to prevent pollutants from leaving the site via stormwater runoff. The contractor has the duty to cause pollutant control measures to be repaired, modified, supplemented, or take additional steps as necessary in order to achieve effective pollutant control. Note: If a control measure is covered by snow, mark the control measure as not applicable and document the reason the control measure cannot be inspected on the daily report. The inspection must include observation of: • The construction site perimeter and discharge points, including discharges into a storm sewer system • All disturbed areas • Areas used for material/waste storage that are exposed to precipitation • Areas determined to have a significant potential for stormwater pollution, such as demolition areas, concrete washout areas, or construction vehicle entrances • All erosion and sediment control measures identified in the SWMP • Structural control measures that may require maintenance, such as secondary containment around fuel tanks or the condition of spill response kits Examples of specific items to evaluate during site inspections are listed below. This list is not intended to be comprehensive. During each inspection, the inspector must evaluate overall pollutant control system performance as well as particular details of individual system components. Additional factors should be considered as appropriate to the circumstances. Additional information on maintenance requirements can be found in the BMP Fact Sheets in Volume 3 of the Urban Storm Drainage Criteria Manual by the Urban Drainage and Flood Control District. • Construction Exit and Track Out — Locations where vehicles enter and exit the site must be inspected for evidence of off-site sediment tracking. A stabilized construction exit shall be constructed where vehicles enter and exit. Exits shall be maintained or supplemented as necessary to prevent the release of sediment from vehicles leaving the site. Any sediment deposited on the roadway shall be swept as necessary throughout the day or at the end of every day and disposed of in an appropriate manner. Sediment shall NOT be washed into storm sewer systems. • Erosion Control Devices — Rolled erosion control products (nets, blankets, turf reinforcement mats) and marginally vegetated areas (areas not meeting required vegetative densities for final stabilization) must be inspected weekly. Rilling, rutting and other signs of erosion indicate the Galloway&Company, Inc. Page 25 of 33 erosion control device is not functioning properly and additional erosion control devices are warranted. • Material Storage Areas — Material storage areas should be located to minimize exposure to weather. Inspections shall evaluate disturbed areas and areas used for storing materials that are exposed to rainfall for evidence of, or the potential for, pollutants entering the drainage system or discharging from the site. If necessary, the materials must be covered or original covers must be repaired or supplemented. Also, protective berms must be constructed, if needed, in order to contain runoff from material storage areas. All state and local regulations pertaining to material storage areas will be adhered to. • Discharge Points — All discharge points must be inspected to determine whether erosion and sediment control measures are effective in preventing discharge of sediment from the site or impacts to receiving waters. Stormwater discharges, including both peak flow rates and total stormwater discharge, shall be controlled to minimize channel and streambank erosion and scour in the immediate vicinity of discharge points. Control Measure Maintenance/Replacement and Failed Control Measures The Colorado General Permit for Stormwater Discharges Associated with Construction Activity requires that all erosion and sediment control practices and other protective measures identified in the SWMP be maintained in effective operating condition and in accordance with good engineering, hydrologic and pollution control practices. Sediment that has been collected by sediment controls, such as silt fence and inlet protection, shall be removed when observed to prevent failure of control measures, and remove the potential of that sediment from being discharged from the site if the control measure did fail. Removed sediment shall be properly disposed of on-site. Maintenance activities to correct problems noted during inspections must be documented as discussed in the documentation section below. The inspection process must also include procedures to ensure that, when needed, control measures are replaced or new control measures added to adequately manage the pollutant sources at the site. The permittee must take all necessary steps to minimize or prevent the discharge of pollutants from the permitted area and manage any stormwater run-on onto the site until a control measure is implemented and made operational and/or an inadequate control measure is replaced or corrected and returned to effective operating condition in compliance with the Colorado General Permit for Stormwater Discharges Associated with Construction Activity. This procedure is part of the ongoing process of revising the control measures and the SWMP as discussed above, and any changes to control measures must be recorded in the SWMP. The SWMP must be modified as soon as practicable to reflect current conditions. Control measures that have failed or have the potential to fail without maintenance or modifications must be addressed as soon as possible, immediately in most cases, to prevent the discharge of pollutants. If it is Galloway&Company, Inc. Page 26 of 33 infeasible to install or repair a control measure immediately after discovering the deficiency, the following information must be documented and kept on record: 1) Describe why it is infeasible to initiate the installation or repair immediately; and 2) Provide a schedule for installing or repairing the control measure and returning it to an effective operating condition as soon as possible. If applicable, the Permittee must remove and properly dispose of any unauthorized release or discharge within and from the permitted area (e.g. discharge of non-stormwater, untreated stormwater containing pollutants, spill or leak not authorized by the Construction Stormwater Permit). The Permittee must also clean up any contaminated surfaces, if feasible to minimize discharges of the material in subsequent storm events, including water remaining form the response that contains pollutants after active emergency firefighting response is complete. Record Keeping and Documentation All erosion control measures and stabilizations shall be inspected weekly and after each precipitation or snow melt event. The Permittee must document inspection results and maintain a record of the results for a period of 3 years following closing of permit coverage. These records must be made available to the Owner, the City & County, the State, or the EPA upon request. The following items must be documented as part of the site inspections: • The inspection date • Name(s)and title(s) of personnel making the inspection • Location(s)of discharges of sediment or other pollutants from the site • Location(s) of control measures that need to be maintained • Location(s) of control measures that failed to operate as designed or proved inadequate for a particular location • Location(s) where additional control measures are needed that were not in place at the time of inspection • Deviations from the minimum inspection schedule as indicated above • Description and dates of corrective actions taken including requisite changes to the SWMP After adequate corrective action(s) has been taken, or where a report does not identify any incidents requiring corrective action, the report shall contain a signed statement indicating the site is in compliance with the permit to the best of the signer's knowledge and belief. Record of spills, leaks, or overflows that result in the discharge of pollutants must be documented and maintained. Information that should be recorded for all occurrences includes the time and date, weather conditions, reasons for the spill, who the spill was reported to, etc. Galloway&Company, Inc. Page 27 of 33 A complete copy of the SWMP shall be kept with the inspection and maintenance records for the aforementioned 3-year period. VII. Conclusion Conformance with Standards The Stormwater Management report for Project at Bloom Commercial, was prepared in compliance with the City of Fort Collins Engineering Code of Standards and Specifications and the Colorado General Permit for Stormwater Discharges Associated with Construction Activity. Drainage Concept The proposed erosion and sediment control measures do not alter the existing and proposed drainage patterns, volumes, or control points from the submitted Bloom Commercial Drainage Report applicable to this development. Vill. References 1. City of Fort Collins Stormwater Criterial Manual —December 2018 Edition, City of Fort Collins. 2. Urban Storm Drainage Criteria Manual, Volume 3, Urban Drainage and Flood Control District, revised March 2024. 3. General Permit Application and Stormwater Management Plan Preparation Guidance, Colorado Department of Public Health and Environment, Revised July 2024. Galloway&Company, Inc. Page 28 of 33 Appendix A— Reference Information NRCS Web Soil Survey Information FEMA FIRMette CDPS Attachment A — SWMP Certification City of Anytown Grading and Erosion Control Permit Galloway&Company, Inc. Page 29 of 33 Hydrologic Soil Group—Larimer County Area,Colorado R: (HFH073 Bloom Commercial) a 0 o 4982W 4989W 498400 496500 49E6W 498700 498800 40°35'22"N 40°35 22"N g g w oil Ma�py not rt bie,.vald�at this scale` 40°34'49"N � I I �' 40°34 49 N 498200 498300 49B400 498500 4986W 498700 49B800 3 3 Map Sole:1:4,880 T printed on A portrait(8.5"x 11")sheet. o Meters N ° 0 50 100 200 300 Feet 0 200 400 800 1200 Map projection:Web Mercator Comer coordinates:WGS84 Edge tics:UTM Zone 13N WGS84 USDA Natural Resources Web Soil Survey 7/13/2025 Conservation Service National Cooperative Soil Survey Page 1 of 4 Hydrologic Soil Group—Larimer County Area,Colorado (HFH073 I Bloom Commercial) MAP LEGEND MAP INFORMATION Area of Interest(AOI) 0 C The soil surveys that comprise your AOI were mapped at Area of Interest(AOI) 0 CID 1:24,000. Soils © D Warning:Soil Map may not be valid at this scale. Soil Rating Polygons A Not rated or not available Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil F—] AID Water Features line placement.The maps do not show the small areas of Streams and Canals contrasting soils that could have been shown at a more detailed 0 B scale. Transportation B/D *.. Rails Please rely on the bar scale on each map sheet for map 0 C measurements. � Interstate Highways 0 C/D US Routes Source of Map: Natural Resources Conservation Service Web Soil Survey URL: 0 D Major Roads Coordinate System: Web Mercator(EPSG:3857) 0 Not rated or not available Local Roads Maps from the Web Soil Survey are based on the Web Mercator Soil Rating Lines Background projection,which preserves direction and shape but distorts q distance and area.A projection that preserves area,such as the Aerial Photography Albers equal-area conic projection,should be used if more .-.. AID accurate calculations of distance or area are required. ++� B This product is generated from the USDA-NRCS certified data as ti B/D of the version date(s)listed below. C Soil Survey Area: Larimer County Area,Colorado Survey Area Data: Version 19,Aug 29,2024 r.i CID Soil map units are labeled(as space allows)for map scales ... D 1:50,000 or larger. Not rated or not available Date(s)aerial images were photographed: Jul 2,2021—Aug 25, Soil Rating Points 2021 p A The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background E3 AID imagery displayed on these maps.As a result,some minor B shifting of map unit boundaries may be evident. B/D USDA Natural Resources Web Soil Survey 7/13/2025 Conservation Service National Cooperative Soil Survey Page 2 of 4 Hydrologic Soil Group—Larimer County Area,Colorado HFH073 1 Bloom Commercial Hydrologic Soil Group Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 7 Ascalon sandy loam,0 B 25.1 28.8% to 3 percent slopes 1 35 Fort Collins loam,0 to 3 C 0.01 0.0% percent slopes 40 Garrett loam,0 to 1 B 59.4 68.2% percent slopes 73 Nunn clay loam,0 to 1 C 0.0 0.0% percent slopes 76 Nunn clay loam,wet, 1 C 1.81 2.1% to 3 percent slopes 94 Satanta loam,0 to 1 C 0.7 0.8% percent slopes Totals for Area of Interest 87.1 100.0% USDA Natural Resources Web Soil Survey 7/13/2025 Conservation Service National Cooperative Soil Survey Page 3 of 4 Hydrologic Soil Group—Larimer County Area,Colorado HFH073 1 Bloom Commercial Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long-duration storms. The soils in the United States are assigned to four groups (A, B, C, and D)and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential)when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential)when thoroughly wet. These consist chiefly of clays that have a high shrink-swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher USDA Natural Resources Web Soil Survey 7/13/2025 Conservation Service National Cooperative Soil Survey Page 4 of 4 National Flood Hazard Layer FIRMette (0FEMA Legend 105°1'21"W 4095'12"N SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAP FOR FIRM PANEL LAYOUT Without Base Flood Elevation(BFE) ZOf a I' Zone A.V.A99 SPECIAL FLOOD With BFE or Depth Zone AE.AO.AH.VE,AR HAZARD AREAS Regulatory Floodway � Zone (DEFT♦ 0.2%Annual Chance Flood Hazard,Areas of 1%annual chance flood with average depth less than one foot or with drainage areas of less than one square mile zonex �® Future Conditions 1%Annual -As s ® Are nce Flood Hazard e Area with Reduced Flood Risk due to f r/ OTHER AREAS OF Levee.See Notes.zone x f 4930'7� FLOOD HAZARD Area with Flood Risk due to Leveezono 0 FEET r I NO SCREEN Area of Minimal Flood Hazard zone x Effective LOMRs •'' OTHER AREAS Area of Undetermined Flood Hazard zone o *1 r4 R68W S8 D T7N R68W S9 4930.5 FEET GENERAL -—-- Channel,Culvert,or Storm Sewer STRUCTURES 1 1 1 1 1 1 1 Levee,Dike,or Floodwall �z°=2 Cross Sections with 1%Annual Chance T W •ns j,ailIIlCf C01111M, j Water Surface Elevation %, 1 - - - Coastal Transect UIIIIICOiPM�tPc{ATCT sir— Base Flood Elevation Line(BFE) Limit of Study 080141 LOMRt1 — 1354P Jurisdiction Boundary eft�212112019 Zone AE Z ---- Coastal Transect Baseline 1I OTHER _ Profile Baseline FEATURES Hydrographic Feature 1 FLOOD�'A R Digital Data Available N II-' � Zone AE * ( No Digital Data Available 4930.5 FEET MAP PANELS Unmapped W OThe pin displayed on the map is an approximate point selected by the user and does not represent C an authoritative property location. n Ar 4824:g This map complies with FEMA's standards for the use of 8 digital flood maps if it is not void as described below. _ AREA OF N11111 MAL FLOOD HAZARD J The basemap shown complies with FEMA's basemap ti accuracy standards • LL1= The flood hazard information is derived directly from the T P68'A'S 16 _ - 4923 1�FEET authoritative NFHL web services provided by FEMA.This map was exported on 7/13/2025 at 4:08 PM and does not ZO%1�Q E reflect changes or amendments subsequent to this date and , V� time.The NFHL and effective information may change or Q become superseded by new data over time. 9?�3 This map image is void if the one or more of the following map (T elements do not appear:basemap imagery,flood zone labels, legend,scale bar,map creation date,community identifiers, 105°0'43"W 40°34'45"N FIRM panel number,and FIRM effective date.Map images for Feet 1:6 000 unmapped and unmodernized areas cannot be used for 0 250 500 1,000 1,500 2,000 regulatory purposes. Basemap Imagery Source:USGS National Map 2023 FrtjCc�[l�ris HFH073 1 Bloom Commercial a LET /�`/L� P e.r_ Luriiii .1 r M Ila ar Legend 9 I Street Names p FEMA Floodplain R . FEMA High Risk-Floodway N FEMA High Risk-100 Year I + FEMA Moderate Risk-100/500 Y, i 4 City Floodplains All ■ City High Risk-Floodway L ' Q City High Risk-100 Year L I C City Moderate Risk-100 Year Q9 E] City Limits ♦ i' F - I Frontage Rd E N'llulberry�S# �• � -�-e - 1. 3.430 Notes p Frontaig Rd 572.0 0 286.00 572.0 Feet This map is a user generated static output from the City of Fort Collins FCMaps WGS_1984_Web_Mercator_Auxiliary_Sphere Internet mapping site and is for reference only.Data layers that appear on this City of Fort Collins-GIS map may or may not be accurate,current,or otherwise reliable. COLORADO ad Department of Public ' Health&Environment Attachment A Requirement: In accordance with the SWMP Availability section of the CDPS Stormwater Discharge General Permit (the permit), a copy of the SWMP shall be provided upon request to the Division, EPA, or any local agency in charge of approving sediment and erosion plans, grading plans or stormwater management plans, and within the time frame specified in the request. If the SWMP is required to be submitted to any of these entities, it must include a signed certification in accordance with the Sip natory Requirements section of the permit (see below), certifying that the SWMP is complete and meets all permit requirements. Signatory Requirements a. All reports required for submittal shall be signed and certified for accuracy by the permittee in accordance with the following criteria: 1. In the case of corporations, by a principal executive officer of at least the level of vice-president or his or her duly authorized representative, if such representative is responsible for the overall operation of the facility from which the discharge described in the form originates; 2. In the case of a partnership, by a general partner; 3. In the case of a sole proprietorship, by the proprietor; 4. In the case of a municipal, state, or other public facility, by either a principal executive officer, ranking elected official, or other duly authorized employee, if such representative is responsible for the overall operation of the facility from which the discharge described in the form originates. Certification: "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Name of permittee, or duly authorized representative: Title of permittee, or duly authorized representative: Signature of permittee, or duly authorized representative: Name of document submitted to the Division: Date document submitted to the Division and Certification statement signed: 4300 Cherry Creek Drive South, Denver, CO 80246 303-692-3500 www.colorado.gov/cdphe/wqcd Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director �'n tags This estimate is acceptable Erosion and Sedim Noted Thank you! lalculation Project: Bloom Commercial Disturbed Acres*: 10.00 BMP Amount Estimated Unit Total EROSION CONTROL BMPs Units Quantity Price Price Silt Fence L.F. 5523 $1.85 $10,217.55 Curb Inlet Protection each 14 $75.00 $1,050.00 Outlet Protection each 5 $40.00 $200.00 Concrete Washout each 1 $200.00 $200.00 Vehicle Tracking Control (VTC) each 4 $700.00 $2,800.00 (add all other BMPs for the site in this list) Sub-Total: $14,467.55 1.5 x Sub-Total: $21,701.33 Amount of security: $21,701.33 Re-seeding Amount Total Acres x Price/acre: $13,500.00 Unit Price of Seeding per acre**: $1,350.00 Sub-Total: $13,500.00 1.5 x Sub-Total: $20,250.00 Amount to Re-seed: $20,250.00 **Pond bottom cost estimate will be provided by Aloterra Miniumum Escrow Amount Minimum escrow amount: $3,000.00 Final Escrow Amount Erosion Control Escrow: $21,701.33 User Input Fields in BLUE should be amended for this project. "The amount of the security must be based on one and one-half times the estimate of the cost to install the approved measures,or one and one-half times the cost to re-vegetate the disturbed land to dry land grasses based upon unit cost determined by the City's Annual Revegetation and Stabilization Bid,whichever is greater.In no instance,will the amount of security be less than one thousand five hundred dollars($1,500)for residential development or three thousand dollars($3,000)for commercial development" Appendix B — SWMP Site Maps and Calculations SWMP Site Maps and Details Temporary Sediment Basin Capacity Calculations Galloway&Company, Inc. Page 30 of 33 G a•'Owa 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 y ! 970.800.3300• GallowayUS.com BLOOM COMMERCIAL E.Vine P ` Cooper Slough i= OVERALL BLOOM PROJECT SITE BLOOM f. COMMERCIAL I ak , Lake Canal'' : - - Mulberry St.` VICINITY MAP N NOT TO SCALE ii aowa 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 970.800.3300 GallowayUS.com ® - - - - - - - - - - - COPYRIGHT LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE 777]r — — — — ASS AND ARE THE PROPERTY OF GALLOWAY,AND MAY PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED i — — I -------------- WITHOUT THE WRITTEN CONSENT OF GALLOWAY. t T — — — � _ _ — PROPOSED RIGHT—OF—WAY COPYRIGHTS AND INFRINGEMENTS WILL BE PROPOSED LOTLINE ENFORCED AND PROSECUTED. EASEMENT LINE -------------- ``� 'R""A I I I I PROPOSED MAJOR CONTOUR I I I PROPOSED MINOR CONTOUR 36 EXISTING MAJOR CONTOUR — — —4835— — — EXISTING MINOR CONTOUR — — — — — — I EXISTING STORM DRAIN S D — — IRWTv — PROPOSED MANHOLE III I I j PROPOSED STORM INLET I E I i I PROPOSED CONCRETE CROSS PAN (TYP.) </ I 1 I I` i •• i I PROPOSED SPOT ELEVATION PROPOSED SPOT ELEVATION (MATCH EXISTING) vl I I I t 1 WTI •. PROPOSED SPOT ELEVATION (FLOwuNE) I I PROPOSED SPOT ELEVATION (HIGH POINT) I t I I I 1 PROPOSED SPOT ELEVATION LOW POINT I\ PROPOSED SPOT ELEVATION (TOP OF RAMP) PROPOSED SPOT ELEVATION (BOTTOM OF RAMP) 1I PROPOSED SPOT ELEVATION (SIDEWALK) ` NOTES: \ \ \ I I , i- : 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN _ _ _ _ �LW_ _ _ —— APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. THE _________________________ ___ __— I CONTRACTOR SHALL BE RESPONSIBLE TO CALL ALL UTILITY COMPANIES (PUBLIC AND PRIVATE) PRIOR \ \ \\ \ �.'• �� .��� `--s------ TO ANY CONSTRUCTION TO VERIFY EXACT UTILITY LOCATION. z 2. LIMITS OF STREET CUT ARE APPROXIMATE. FINAL EXTENT OF STREET CUT TO BE DETERMINED IN THE J ` I \ FIELD BY THE TOWN PUBLIC WORKS INSPECTOR. REPAIRS SHALL BE PER THE LATEST TOWN STANDARDS. 3. ELEVATIONS SHOWN HAVE BEEN ABBREVIATED. THE ENTIRE ELEVATION IS THE ELEVATION SHOWN PLUS - - - - - - - - � \ 4900 FEET (48.71 = 4848.71). z — — LU \ i '1 4. CONTOURS SHOWN OUTSIDE OF STREET R.O.W. ARE OVERLOT CONTOURS. CONTOURS SHOWN WITHIN THE STREET R.O.W. ARE FINISHED GRADE. 5. ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE RIGHT—OF—WAY LOT CORNERS, GRADE BREAKS AT OVERLOT OR FINISHED GRADE FOR LANDSCAPE AREAS, UNLESS O / \ \ \ \ \ �\ \ ��• .�\ / } I OTHERWISE NOTED. � 6. AREA OF OVERLOT DISTURBANCE TO BE BORDERED BY A SILT FENCE (TYP.) W W 7. ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY (STRIPPING, GRADING, UTILITY INSTALLATIONS, z LU STOCKPILING, FILLING, ETC.) SHALL BE KEPT IN A ROUGHENED CONDITION BY RIPPING OR DISKING 0 O ,RWT C ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL BMPS V U ARE INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS—OF—WAY SHALL REMAIN EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY (30) DAYS BEFORE REQUIRED Z Cn TEMPORARY OR PERMANENT EROSION CONTROL (E.G. SEED/MULCH, LANDSCAPING, ETC.) IS INSTALLED, J Z UNLESS OTHERWISE APPROVED BY THE TOWN/COUNTY. Z J 8. NO SOIL STOCKPILE SHALL EXCEED TEN (10) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE C 0, \` PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT c (� FENCING. ANY SOIL STOCKPILE REMAINING AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. O J � \ O \ \ N 9. SEE SHEETS C4.1 — C4.12 FOR EROSION CONTROL PLANS. J \ \ 10. EROSION CONTROL SHALL FOLLOW SWPPP AND BE UPDATED BY SITE ADMINISTRATOR THROUGHOUT CONSTRUCTION PROCESS J1� 11. CONTRACTOR TO ADJUST RIM OF ALL EXISTING MANHOLES TO FINAL GRADING ELEVATION. N 12. FINISHED FLOOR, TOP OF FOUNDATION ELEVATION IS NOT FINAL. PLOT PLANS WILL ESTABLISH TOP OF FOUNDATION BASED ON ACTUAL BUILDING FOOTPRINT. I 13. GENERAL OVERLOT DRAINAGE NOTE: LOTS AND TRACTS AS PLATTED HEREIN MAY BE REQUIRED TO Date Issue Description Init. CONVEY SURFACE DRAINAGE FORM OTHER LOTS AND TRACTS IN THIS FILING, IN ACCORDANCE WITH — 1 TOWN REQUIREMENTS AND THE APPROVED DRAINAGE PLAN FOR THIS FILING. NO ALTERATIONS TO THE — \. GRADING OF THE LOTS AND TRACTS MAY BE MADE THAT WOULD DISRUPT THE APPROVED DRAINAGE 1 1-A — — — — — — — --- ` I \ PLAN, WITHOUT PRIOR APPROVAL FROM THE TOWN. ALL NATURAL AND IMPROVED DRAINAGE WAYS OR — \ DRAINAGE SYSTEMS IN SAID LOTS AND TRACTS SHALL BE MAINTAINED BY THE LOT OR TRACT OWNER IN ACCORDANCE WITH TOWN CRITERIA. SHOULD THE OWNER FAIL TO ADEQUATELY MAINTAIN SAID FACILITIES, THE TOWN SHALL HAVE THE RIGHT TO ENTER SAID LAND FOR THE PURPOSES OF \ -_ \ — / — — — — — — — — — — — — — — OPERATIONS AND MAINTENANCE OF THE DRAINAGE WAYS OR DRAINAGE SYSTEMS. ALL SUCH — MAINTENANCE COSTS WILL BE ASSESSED TO THE PROPERTY OWNER. \ 1\1 CFO_ — —FO — — P'0�•-�—�—F'Oc�=FC— —�-5+ — m 3 a c� o Project No: HFH000073.20 U Drawn By: PGS Checked By: JEP 0 U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 E 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED OVERALL GRADING PLAN ® BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 E EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN o APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIESTO THE Know what's b e I o w. ENGINEER PRIOR TO CONSTRUCTION. C a before you dig. 0 0 20 50 100 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'SC30 RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING SCALE: 1"=100' ■ UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 15 of 47 ii aoway ' 5235 Ronald Reagan Blvd.,Suite 200 C3. 2 �� � Johnstown,CO 80534 970.800.3300 GallowayUS.com ,' 37.95 TR W I 337.427*18 TFL Q DONELLA DR o� �39.38 BR 37.42 BR/ME 37.43 BR ■ 37.32 FL 37.09 BR/ME ��\ N c � � ® ® 39.34 BR 39.90 TR 39.10 FL ___--- � O \ 35.38 SW ` 39.36 BR - 37.46 BR 38.53 SW 39.29 ME 39.47 FL - - 39.02 ME 37.45 BR 37.23 FIL _- 39.90 SW 39.24 FL 38.85 SW ` ° 39.57 BR 39.68 SW ° � 37.30 BR • 39.70 TR 39.78 SW 38.97 SW - - - 38.21 SW \ 38.63 SW 39.86 TR I 37.43 FL 37.59 TR COPYRIGHT 35.48 SW 39.68 FL 39.80 TR \� \� 40.07 SW I �9 37.94 TR 37.37 FL 37.61 TR ■ 38 LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE 39.67 BR 38.26 SW 38.07 SW I AND ARE THE PROPERTY OF GALLOWAY,AND MAY \ 39.90 TR 39.46 BR 38.10 SW lid 37.38 BR I PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 37 38 �'d I -------------- WITHOUT THE WRITTEN CONSENT OF GALLOWAY. I 40.00 TR 39 9 39.48 FL 37.58 FL I PROPOSED RIGHT-OF-WAY 39.97 SW -�/ 38.22 SW COPYRIGHTS AND INFRINGEMENTS WILL BE 37.57 FIL I PROPOSED LOTLINE ENFORCED AND PROSECUTED. I 36 � I _ - 38.24 SW I 33 34 4935 p _ 37.64 TR I ■ EASEMENT LINE -------------- 32 - 31 i �_u 37 38.29 SW 37 72 TR i ■ PROPOSED MAJOR CONTOUR 9 38.37 SW I 36 4930 C 37.58 FL I PROPOSED MINOR CONTOUR �g I TRACT A 37.58 FL j -- -4835- -- EXISTING MAJOR CONTOUR 37.47 TR i EXISTING MINOR CONTOUR - - - - - - 37.00 FL p 38 37.50 TR I EXISTING STORM DRAIN - - - SD - - - I PROPOSED MANHOLE 36.78 FL I ■ PROPOSED STORM INLET 36.98 BR I / i I 36.96 FL ■ PROPOSED CONCRETE CROSS PAN (TYP.) 36.93 FIL ~' I 36.95 BR 36.39 FL I � I i 36.53 FL 36.17 FL Ij I C 36.58 BR I I PROPOSED SPOT ELEVATION 36 i ■ PROPOSED SPOT ELEVATION (MATCH EXISTING) R F ��' 37.10 TR i ■ PROPOSED SPOT ELEVATION (FLOWUNE) 36.43 BR I I PROPOSED SPOT ELEVATION HIGH POINT PROPOSED SPOT ELEVATION LOW POINT 36 - ( ) I PROPOSED SPOT ELEVATION (TOP OF RAMP) 36.35 SW 1 PROPOSED SPOT ELEVATION (BOTTOM OF RAMP) 36.29 SW 28.74 p .• j ■ PROPOSED SPOT ELEVATION (SIDEWALK) 36.14 SW I ■ N 36.22 sw I ''`� NOTES: 33.69 LP p "+1 34.73 FL I U I I � 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY M I p 34.73 FL I COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN I I 35.23 SW W APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE �. 35.31 SW = LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO N \ C 35.45 SW �h I CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. THE \ 35.53 SW ■ W CONTRACTOR SHALL BE RESPONSIBLE TO CALL ALL UTILITY COMPANIES (PUBLIC AND PRIVATE) PRIOR z \ C 34.75 SW 34.71 SW 1 i ■ � TO ANY CONSTRUCTION TO VERIFY EXACT UTILITY LOCATION. p \I 4935 I 2. LIMITS OF STREET CUT ARE APPROXIMATE. FINAL EXTENT OF STREET CUT TO BE DETERMINED IN THE J 4g�5' _ I 35.29 SW j Z FIELD BY THE TOWN PUBLIC WORKS INSPECTOR. REPAIRS SHALL BE PER THE LATEST TOWN STANDARDS. 1 I I I I N p - _ 34.85 SW 35.28 SW 35.00 SW 1 I = 3. ELEVATIONS SHOWN HAVE BEEN ABBREVIATED. THE ENTIRE ELEVATION IS THE ELEVATION SHOWN PLUS 34.86 SW v d' 34.92 SW i 4900 FEET (48.71 = 4848.71). w 0 34.87 SW - 3 I ■ Q 4. CONTOURS SHOWN OUTSIDE OF STREET R.O.W. ARE OVERLOT CONTOURS. CONTOURS SHOWN WITHIN THE rn 1493 6 35.02 SW 34.04 LP I STREET R.O.W. ARE FINISHED GRADE. � � - _ - 35.26 SW I ■ N - _ 34.04 LP - I 35.27 SW - I 5. ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE RIGHT-OF-WAY LOT I - 34.84 SW _ I CORNERS GRADE BREAKS AT OVERLOT OR FINISHED GRADE FOR LANDSCAPE AREAS UNLESS O LOT 1 34.75 SW 34.48 j OTHERWISE NOTED. - - W W 32.66 34.71 SW i \ 6. AREA OF OVERLOT DISTURBANCE TO BE BORDERED BY A SILT FENCE (TYP.) I Z p 35.16 SW I I w I 7. ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY STRIPPING GRADING UTILITY INSTALLATIONS I � ( ea I ■ z I I 35.08 SW STOCKPILING FILLING ETC.) SHALL B KEPT IN ROUGHENED CONDITION BY RIPPING OR DISKING O E BE AR D D D K TRACT E ) ` I ■ ALONG LAND CONTOURS UNTIL MULCH VEGETATION OR OTHER PERMANENT EROSION CONTROL BMPS rr'� U � 3511 SW I I � V I I � p 1 ARE INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS-OF-WAY SHALL REMAIN . I I z I � EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY 30 DAYS BEFORE REQUIRED Cn I Q I I - I I TEMPORARY OR PERMANENT EROSION CONTROL E.G. SEED MULCH LANDSCAPING ETC. IS INSTALLED Z I I UNLESS OTHERWISE APPROVED BY THE TOWN COUNTY. - p 35.34 SW I / J I LL z 33.45 SW J I 35.53 SW 35.26 SW I I I 8. NO SOIL STOCKPILE SHALL EXCEED TEN 10 FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE C C I G II 27.07 \ 35.59 SW 35.31 SW I ■ PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT G 0 �� \ 33.27 SW a p I FENCING. ANY SOIL STOCKPILE REMAINING AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. O J 35.37 SW I ■ 34.74 FL w v 35.43 SW 35.45 SW I 9. SEE SHEETS C4.1 - C4.12 FOR EROSION CONTROL PLANS. O �y �� 34.74 FL LL Q 35.53 SW ` p ` •°• 35.01 FL I 10. EROSION CONTROL SHALL FOLLOW SWPPP AND BE UPDATED BY SITE ADMINISTRATOR THROUGHOUT 33.47 SW 33.52 LP 34 v 35.45 SW 35.01 FL CONSTRUCTION PROCESS \\ \ \ \ \ a ° ° 35.61 SW 1 j 11. CONTRACTOR TO ADJUST RIM OF ALL EXISTING MANHOLES TO FINAL GRADING ELEVATION. �'" ° \ I ■1 p 36 d a Q 35.44 SW ° ° I ■ Q Q a I 12. FINISHED FLOOR, TOP OF FOUNDATION ELEVATION IS NOT FINAL. PLOT PLANS WILL ESTABLISH TOP OF a I ■ FOUNDATION BASED ON ACTUAL BUILDING FOOTPRINT. �\ \ I p 35.91 SW 35.81 SW - .o I I # Date Issue I Description Init. 35.68 SW 13. GENERAL OVERLOT DRAINAGE NOTE: LOTS AND TRACTS AS PLATTED HEREIN MAY BE REQUIRED TO � 33.06 SW 32.99 I ` ° ° CONVEY SURFACE DRAINAGE FORM OTHER LOTS AND TRACTS IN THIS FILING, IN ACCORDANCE WITH - \ I \ 4935 35./d sW � \� � ••.'o �\ I � �- TOWN REQUIREMENTS AND THE APPROVED DRAINAGE PLAN FOR THIS FILING. NO ALTERATIONS TO THE _ 34.39 FL I a' T 1. 35.69 SW GRADING OF THE LOTS AND TRACTS MAY BE MADE THAT WOULD DISRUPT THE APPROVED DRAINAGE �\ �\ 34.61 TR 34.66 SW 34.94 FL ° c PLAN, WITHOUT PRIOR APPROVAL FROM THE TOWN. ALL NATURAL AND IMPROVED DRAINAGE WAYS OR - \ 34.38 BR 34.74 TR d 35.28 FL 35.28 FL DRAINAGE SYSTEMS IN SAID LOTS AND TRACTS SHALL BE MAINTAINED BY THE LOT OR TRACT OWNER - \ 33.84 FL r ° a d 4 � 35.28 FL 35.28 FL 34.95 FL ■ IN ACCORDANCE WITH TOWN CRITERIA. SHOULD THE OWNER FAIL TO ADEQUATELY MAINTAIN SAID 34.31 BR 35.38 HP d 1 FACILITIES, THE TOWN SHALL HAVE THE RIGHT TO ENTER SAID LAND FOR THE PURPOSES OF - \ \ 33.61 LP 34.04 FL OPERATIONS AND MAINTENANCE OF THE DRAINAGE WAYS OR DRAINAGE SYSTEMS. ALL SUCH - \ \ 34.28 SW I 34.27 FL 34.13 FL 34 35.20 FL ° . ' - ° \ 4g35 35.38 HP 35.22 FL MAINTENANCE COSTS WILL BE ASSESSED TO THE PROPERTY OWNER. \ �� \ 34.82 34.67 TR 34A7 BR _ 33.93 - - - - - - - - - - 35.38 SW ° _ - \ 34.23 BR 34.67 TR 34.93 FL ad T_ 34.95 FL - 33.84 FL F 35.64 . d - \ \ ° \ 34.35 FL 34.13 FL 34.04 FL 34.79 SW 35.38 HP v. 34.27 BR a 35.20 FL - \` 34.17 BR 33s1 LP 35.29 FL 35.38 HP 35.22 FL ■ - ' 35.52 SW 35.27 FL 34.69 TR ----------------------------- 35.69 SW 35.28 FL ° I 35.38 SW - ------------------------------ -\, i �\ 35.13 SW 34.91 SW 35.78 SW \ \ - 35.18 SW \ 34.89 SW - i i 35.68 SW 135.74 SW - / SW 35.01 SW 35.26 FL c • ' \ �� 35.61 SW 35.67 SW \\ \ \ 35.69 SW �� �� �' 35.21 FL 35.70 SW 35.51 SW \ I 34.96 FL I a MATCHLINE-SEE SHEET C3.3 Project No: HFH000073.20 U Drawn By: PGS Checked By: JEP 0 U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 E 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED E EVID EVIDENCE AY THE TRTHEI TIME ATE OFSURVEY AND ITY COMPANY S TOBE CONSIDERED AN FIELD SURFACE �� GRADING PLAN ® 0 s APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S m RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 21 O W. ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C3 , 1 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 16 of 47 ii Gam,oway 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 970.800.3300 GallowayUS.com ■ 37.32 FL 37.09 BR/ME 37.46 BR _ 37 DONELLA 37.45 BR 37.23 FL _ I COPYRIGHT 37.20 FL �, W - - ►�--� r3707 BR W- ,g 37.29 SW - DR I THESE PLANS ARE AN INSTRUMENT OF SERVICE _ I LEGEND: f- AND ARE THE PROPERTY OF GALLOWAY,AND MAY 37.30 BR a d d v 36.77 SW I �- d --`-\ • - -- PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 38.21 SW 37.43 FL 37.6.5TR� 37.39 SW \\ =�� \- - L PROPOSED RIGHT-OF-WAY -------------- WITHOUT THE WRITTEN CONSENT OF GALLOWAY. 37.94 TR 37.37 F 36.87 SW COPYRIGHTS AND INFRINGEMENTS WILL BE 38.04 SW j ;I PROPOSED LOTLINE ENFORCED AND PROSECUTED. 38.26 SW 38.07 SW � � - ., 38.03 SW 37.90 SW - 38.44 SW EASEMENT LINE 38.10 SW 37.38 BR i _ _ ___-_ _ _ 38.22 SW 37.58 FL j 37 38.13 SW d PROPOSED MAJOR CONTOUR 37.57 PROPOSED MINOR CONTOUR 36 FL i _ 38.54 SW EXISTING MAJOR CONTOUR 38.15 SW 38.00 SW I i - - -4835- - - 38.29 SW 37.64 TR EXISTING MINOR CONTOUR - - - . - - - 38.37 SW 37.72 TR EXISTING STORM DRAIN - - - SD - - - 37.58 FL i I PROPOSED MANHOLE 37.58 FL 37.47 TR 37.00 FL PROPOSED STORM INLET 37.50 TR i - PROPOSED CONCRETE CROSS PAN (TYP.) 36.78 FL I �� 36.98 BR I �� 36.96 FL �1 i I PROPOSED SPOT ELEVATION 36.95 BR 36.39 FL j I t �� PROPOSED SPOT ELEVATION (MATCH EXISTING) 36.56 FL � PROPOSED SPOT ELEVATION (FLOWLINE) 36.53 FL 36.17 FL � _ _ �� � � 36.58 BR j --- PROPOSED SPOT ELEVATION (HIGH POINT) / / \ PROPOSED SPOT ELEVATION (LOW POINT) 37.10 TR I i I / \ PROPOSED SPOT ELEVATION (TOP OF RAMP) 36.43 BR PROPOSED SPOT ELEVATION (BOTTOM OF RAMP) 36.95 TR PROPOSED SPOT ELEVATION (SIDEWALK) 36.35SW I- - - - - - - - - - - - - - - - -/ / ' NOTES: . 29 SW I i W I i /I \ � � � 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY 14 SW / I \ I ' COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN I i APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE 22 SW i LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO 34.73 FL i I \ I CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. THE 34.73 FIL i i \ J CONTRACTOR SHALL BE RESPONSIBLE TO CALL ALL UTILITY COMPANIES (PUBLIC AND PRIVATE) PRIOR z 35.23 SW i i TO ANY CONSTRUCTION TO VERIFY EXACT UTILITY LOCATION. 35.45 SW I � 35.31 SW TRACT B / / �I I 2. LIMITS OF STREET CUT ARE APPROXIMATE. FINAL EXTENT OF STREET CUT TO BE DETERMINED IN THE J Lv a \ I FIELD BY THE TOWN PUBLIC WORKS INSPECTOR. REPAIRS SHALL BE PER THE LATEST TOWN STANDARDS. W 35.53 SW 3. ELEVATIONS SHOWN HAVE BEEN ABBREVIATED. THE ENTIRE ELEVATION IS THE ELEVATION SHOWN PLUS 4900 FEET (48.71 = 4848.71). z 35.29 SW i I 4. CONTOURS SHOWN OUTSIDE OF STREET R.O.W. ARE OVERLOT CONTOURS. CONTOURS SHOWN WITHIN THE LU 35.00 SW STREET R.O.W. ARE FINISHED GRADE. 34.92 SW �g��/ I \ I \� i 5. ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE RIGHT-OF-WAY LOT CORNERS, GRADE BREAKS AT OVERLOT OR FINISHED GRADE FOR LANDSCAPE AREAS, UNLESS O EL 34.87 SW 34.04 LP i / / / I \ ( I OTHERWISE NOTED. 34.04 LP - i / I \ I W W 6. AREA OF OVERLOT DISTURBANCE TO BE BORDERED BY A SILT FENCE (TYP.) z 34.84 SW 34 48 / I \ 7. ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY (STRIPPING, GRADING, UTILITY INSTALLATIONS, z w 34.75 SW i / \ 1 STOCKPILING, FILLING, ETC.) SHALL BE KEPT IN A ROUGHENED CONDITION BY RIPPING OR DISKING 0 O - - - - - - - - - - - - - - - - - - - - - - 66 \ I I ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL BMPS V U 34.71 SW i \ \ / I \ �� I 1 I ARE INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS-OF-WAY SHALL REMAIN - 35.16 SW I / EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY (30) DAYS BEFORE REQUIRED Z Cn 35.08 SW \ 1 I I TEMPORARY OR PERMANENT EROSION CONTROL E.G. SEED MULCH LANDSCAPING ETC. IS INSTALLED Z 35.11 SW i \ \ / I \ \ I UNLESS OTHERWISE APPROVED BY THE TOWN/COUNTY. Z J i \ I 8. NO SOIL STOCKPILE SHALL EXCEED TEN (10) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE CC CC O PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT G G (-) FENCING. ANY SOIL STOCKPILE REMAINING AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. O J 35.34 SW 35.26 SW \ / , 1 9. SEE SHEETS C4.1 - C4.12 FOR EROSION CONTROL PLANS. O LJJ 10. EROSION CONTROL SHALL FOLLOW SWPPP AND BE UPDATED BY SITE ADMINISTRATOR THROUGHOUT CONSTRUCTION PROCESS 35.45 SW 34.74 FL 35.53 SW 34.74 FIL I \ \ 11. CONTRACTOR TO ADJUST RIM OF ALL EXISTING MANHOLES TO FINAL GRADING ELEVATION. 35.01 FL i 34 ' I \ 35.92 SW \ 35.01 FIL - 35.93 SW 12. FINISHED FLOOR, TOP OF FOUNDATION ELEVATION IS NOT FINAL. PLOT PLANS WILL ESTABLISH TOP OF 1 SW 1 I \ 36.05 SW 1 FOUNDATION BASED ON ACTUAL BUILDING FOOTPRINT. 35.6 Description Init. d Date Issue� # I 35.4 SW 13. GENERAL OVERLOT DRAINAGE NOTE: LOTS AND TRACTS AS PLATTED HEREIN MAY BE REQUIRED TO - d I \ CONVEY SURFACE DRAINAGE FORM OTHER LOTS AND TRACTS IN THIS FILING, IN ACCORDANCE WITH 36.17 SW 36.05 SW 35.24 ME d TOWN REQUIREMENTS AND THE APPROVED DRAINAGE PLAN FOR THIS FILING. NO ALTERATIONS TO THE _ I 36.25 SW _ GRADING OF THE LOTS AND TRACTS MAY BE MADE THAT WOULD DISRUPT THE APPROVED DRAINAGE 35.81 SW a I 36.39 SW 36.13 SW \ PLAN, WITHOUT PRIOR APPROVAL FROM THE TOWN. ALL NATURAL AND IMPROVED DRAINAGE WAYS OR - d d 35.68 SW I 36.29 SW 35.90 TR J DRAINAGE SYSTEMS IN SAID LOTS AND TRACTS SHALL BE MAINTAINED BY THE LOT OR TRACT OWNER - 35.78 SW __ ___ ---' 36.13 SW 35.31 FL IN ACCORDANCE WITH TOWN CRITERIA. SHOULD THE OWNER FAIL TO ADEQUATELY MAINTAIN SAID _________ a• v• .' �• 35.69 SW r -$ 35.18 FL 1 � � \\' FACILITIES, THE TOWN SHALL HAVE THE RIGHT TO ENTER SAID LAND FOR THE PURPOSES OF 34.94 FL .d 35.28 FL e 35.45 SW 36.37 SW 35.96 TR \ OPERATIONS AND MAINTENANCE OF THE DRAINAGE WAYS OR DRAINAGE SYSTEMS. ALL SUCH - 36.87 SW 35.44 BR 35.38 BR MAINTENANCE COSTS WILL BE ASSESSED TO THE PROPERTY OWNER. 35.28 FL 34.64 LP 35.46 BR - 35.35 SW 34.25 FL 36.27 SW 36.77 SW 35.38 FL 35.14 FL 35.28 FL 35.28 FL G • 34.95 FL - 35.92 FL � 35.45 FL 35.36 BR - 35.38 HIP 35.05 HIP 33.97 LP 34.54 FL 35.24 FL 35.98 TR 35.20 FL d ' 35.38 HP 35.22 FL 4935 gg� 6 �� 36.13 SW 35.88 TR 35.29 FL 1 - 35.38 SW d_ S �5 1 34.93 FL v d N9 - 35.92 FL 36.27 SW 35.12 34.95 FL - - - - - - - - - - - - - - - - - - _'_ t v• 36.37 SW 36.23 SW F .v 35.64 . d 34.96 33.97 LP. 34.54 FL 35.24 FL 35.20 FL 38 3538 HP a. 35.05 HP 35 L 36.14 S Al SW 34.25 FIL 36.55 SW • 35.29 FL 35. HP 35.22 FL 34.64 LP 35.50 35.69 SW 35.52 SW 35.27 FL - 35.28 FL d 35.38 SW 35.78 SW i 35.68 SW 35.26 FL i 35.74 SW 35.56 SW 35.67 SW 1 35.21 FL 35.70 SW �� \ 34.96 FL I ` �` \ \ Project No: HFH000073.20 d I " Drawn By: PGS MATCHLINE-SEE SHEET C3.4 Checked By: JEP CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 E 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED E FIELD SURFACE 0 EVID EVIDENCE AT THE Y THE RI ME OF ATE UTILITY SURVEY AND S TO BE CONSIDERED ED AN � GRADING PLAN ® 0 s APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S m RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2 I O W. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C3 , 2 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 17 of 47 MA TCHLINE-SEE SHEET C3.1 ■ ■ � ■ .� i ■ � ■ ■ Romp \ ■ mpom ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ mommi! ■ ■ ■ 1 i% 32.86 SW i ` 35.91 SW 35.81 SW I 33.06 SW ° 32.99`� p d 35.68 SW Gan oway \ \ I \ u 4935 ' ° 35.78 SW a' _ I. 35.69 SW 5235 Ronald Reagan Blvd.,Suite 200 34.94 FL \\ �\ 34.61 TR 34.66 SW ° v Johnstown,CO 80534 \\ c \ 34.38 BR 34.74 TR d 35.28 FL 35.28 FL 1 FL ° q C I C3. 2 970.800.3300 �34.31 BR i d 4 v 35.28 FL 35.28 FL d 34.95 FL y \ \ \ 33.61 LP 35.38 HP I - \ \ \ �� 34.28 SW a 34.27 FL 34.13 FL 34 34.04 FL 35.20 FL ° Gallows US.com a 4g35 35.38 HP v . a 34.17 BR _ v 35.38 SW d 35.22 \ \ 34.82 \ 34.67 TR 33.93 - - - - - - - - - - T-t - ` 34.23 BR 34.67 TR 34.93 FL v d - 34.95 FL V A \� `� �� V � .� 1•a• v A 34.35 FL �� � o 34.13 FL e 34.04 FL 34.79 SW 35.20 FL 35.38 _ _ \ 34.27 BR a 34.17 BR 33.61 LP 35.29 FL 35 35.52 SW 35.27 35.69 SW \\ \ 34.69 TR ------------------------------ ----- 35.28 FL � ° 35.38 SW r - \ 35.78 SW I C 34.91 SW 34.89 SW 35.68 SW 135.74 SW J \ \ r 35.01 SW 35.01 SW 35.26 FL I 35.21 FL 35.70 SW o O��O�� 35.51 SW 33 34.96 FL I . Q I \ \ \ 35.59 SW I 35.28 SWN� 35.19 SW 19 \' \ COPYRIGHT 35.09 SW I THESE PLANS ARE AN INSTRUMENT OF SERVICE I LEGEND: \ \ r I AND ARE THE PROPERTY OF GALLOWAY,AND MAY \ ♦ \ • I � PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 34.86 SW I -------- WITHOUT THE WRITTEN CONSENT OF GALLOWAY. COPYRIGHTS AND INFRINGEMENTS WILL BE PROPOSED RIGHT-OF-WAY I \ ` PROPOSED LOTLINE ENFORCED AND PROSECUTED. 119 I j EASEMENT LINE -_; _ 34.68 \ �� I 1 35.06 SW PROPOSED MAJOR CONTOUR X _ _ \ \� \ / \' 1 \ �\ \ \ PROPOSED MINOR CONTOUR 36 -4835- - - i 34.27 SW \ \ � EXISTING MAJOR CONTOUR I I I I - - - - - - \ EXISTING MINOR CONTOUR �1 ' / \. \ ` \ \\ \ / \ \ `� `�` \ \ • EXISTING STORM DRAIN - - - SD - - - / �\ \ \\ PROPOSED MANHOLE PROPOSED STORM INLET PROPOSED CONCRETE CROSS PAN (TYP.) 32.53 FL 32.94 SW \ ° � 32.28 FL 32.84 SW \\ PROPOSED SPOT ELEVATION PROPOSED SPOT ELEVATION (MATCH EXISTING) PROPOSED SPOT ELEVATION (FLOWUNE) ` PROPOSED SPOT ELEVATION (HIGH POINT) ° �� 32.77 SW \ i 32.76 SW PROPOSED SPOT ELEVATION (LOW POINT) 32.66 SW PROPOSED SPOT ELEVATION (TOP OF RAMP) 97 SW PROPOSED SPOT ELEVATION BOTTOM OF RAMP PROPOSED SPOT ELEVATION (SIDEWALK) 31.23 FL ' / ' ' i \\\\\\ \ \\ \\\ ` \ \ \ \� �9.; `♦ "�\` TRACT IC NOTES: 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN \ \\ \ \ \`�\ �9�0 �\ `\ APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. THE \ \ mod' CONTRACTOR SHALL BE RESPONSIBLE TO CALL ALL UTILITY COMPANIES (PUBLIC AND PRIVATE) PRIOR 1' \�9 \ �`, ,� '/ ' `� \ \ �\ \� \ \ \� \ 31.79 �\ • \ ` W TO ANY CONSTRUCTION TO VERIFY EXACT UTILITY LOCATION. 31.27 SW \ ` Q ° �\ \ \ � 2. LIMITS OF STREET CUT ARE APPROXIMATE. FINAL EXTENT OF STREET CUT TO BE DETERMINED IN THE J �- -\ FIELD BY THE TOWN PUBLIC WORKS INSPECTOR. REPAIRS SHALL BE PER THE LATEST TOWN STANDARDS. 41. LLJ o ' �� '`\ �� \ �`� 1� \ \ \ `�\ \ \ W 3. ELEVATIONS SHOWN HAVE BEEN ABBREVIATED. THE ENTIRE ELEVATION IS THE ELEVATION SHOWN PLUS V �� 31.47 SW,.a 4900 FEET (48.71 = 4848.71). w 4. CONTOURS SHOWN OUTSIDE OF STREET R.O.W. ARE OVERLOT CONTOURS. CONTOURS SHOWN WITHIN THE o \ STREET R.O.W. ARE FINISHED GRADE. cc SW�\ V 5. ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE RIGHT-OF-WAY LOT CORNERS, GRADE BREAKS AT OVERLOT OR FINISHED GRADE FOR LANDSCAPE AREAS, UNLESS O 30.87 SW \\ \\ 1 I � OTHERWISE NOTED. Zz 6. AREA OF OVERLOT DISTURBANCE TO BE BORDERED BY A SILT FENCE (TYP.) 7 ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY (STRIPPING, GRADING, UTILITY INSTALLATIONS z \ - ________ 32 - / / I i �i \ \\ �\ j STOCKPILING, FILLING, ETC.) SHALL BE KEPT IN A ROUGHENED CONDITION BY RIPPING OR DISKING 0 O \ \ \ ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL BMPS U ARE INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS-OF-WAY SHALL REMAIN - i 27 -I I `\ \ `� \ \\ EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY (30) DAYS BEFORE REQUIRED Z Cn '- --28- - _ \ TEMPORARY OR PERMANENT EROSION CONTROL (E.G. SEED/MULCH, LANDSCAPING, ETC.) IS INSTALLED, J Z ` - ` '4930 29 ---- - /i I -\ \ \ \ \\ \\ UNLESS OTHERWISE APPROVED BY THE TOWN/COUNTY. J 31-----____ - - \\ \ 29.97 SW \ 28.2 J \ \ \ \ 8. NO SOIL STOCKPILE SHALL EXCEED TEN (10) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE C 0 r PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT (� 7j, \ \ \\ 29.99 SW A . \ \ FENCING. ANY SOIL STOCKPILE REMAINING AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. O J A1 \ ;\ \\ \ 9. SEE SHEETS C4.1 - C4.12 FOR EROSION CONTROL PLANS. O w \ 10. EROSION CONTROL SHALL FOLLOW SWPPP AND BE UPDATED BY SITE ADMINISTRATOR THROUGHOUT m LJ_ CONSTRUCTION PROCESS 11. CONTRACTOR TO ADJUST RIM OF ALL EXISTING MANHOLES TO FINAL GRADING ELEVATION. 12. FINISHED FLOOR, TOP OF FOUNDATION ELEVATION IS NOT FINAL. PLOT PLANS WILL ESTABLISH TOP OF 28,07 FOUNDATION BASED ON ACTUAL BUILDING FOOTPRINT. # Date Issue I Description Init. 13. GENERAL OVERLOT DRAINAGE NOTE: LOTS AND TRACTS AS PLATTED HEREIN MAY BE REQUIRED TO 29.77 SW CONVEY SURFACE DRAINAGE FORM OTHER LOTS AND TRACTS IN THIS FILING, IN ACCORDANCE WITH - ` TOWN REQUIREMENTS AND THE APPROVED DRAINAGE PLAN FOR THIS FILING. NO ALTERATIONS TO THE _ GRADING OF THE LOTS AND TRACTS MAY BE MADE THAT WOULD DISRUPT THE APPROVED DRAINAGE PLAN, WITHOUT PRIOR APPROVAL FROM THE TOWN. ALL NATURAL AND IMPROVED DRAINAGE WAYS OR - ` I \ \\ \1 \ d \ DRAINAGE SYSTEMS IN SAID LOTS AND TRACTS SHALL BE MAINTAINED BY THE LOT OR TRACT OWNER I I IN ACCORDANCE WITH TOWN CRITERIA. SHOULD THE OWNER FAIL TO ADEQUATELY MAINTAIN SAID FACILITIES, THE TOWN SHALL HAVE THE RIGHT TO ENTER SAID LAND FOR THE PURPOSES OF - \ \ \ \ I OPERATIONS AND MAINTENANCE OF THE DRAINAGE WAYS OR DRAINAGE SYSTEMS. ALL SUCH _ MAINTENANCE COSTS WILL BE ASSESSED TO THE PROPERTY OWNER. I il - I I m a---------- ; \a\ aI\ \ ------ ---------------- ------ \\ ---------- - ----- -- ------ \ ----- - - - - - = Drawn y PGS ,�I V � V ` Projecto• - -- _ _ _ _ - - \ \ �� � Checked JEP \ \\- - - - 28.63 SW NOTICE TO CONTRACTOR s ----- - o _ - - - - - - - - ---- ---------- 1 \ ate' 7 5 5 28.57 SW CAUTION - - - - - -- - - - - - FC-_= -fog_ - GRADING - - RADIN PLAN E - - - - - - � - BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE �� - _ _ EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN 0 APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S - - --- - _ _ - - - RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2I O W. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. E MULBERRY ST 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C3 , 3 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 18 of 47 MA TCHLINE-SEE SHEET 0.2 36.17 SW 36.05 SW 35.24 ME d 36.25 SW i 35.81 SW a I i 36.39 SW 36.13 SW 1 tom. d d 35.68 SW -.- 36.29 SW 35.90 TR 11 .• _ __________ 36.13 SW 35.31 FL �1 r Ci I Gan oway 35.78 SW ------ a v I• - 35.69 SW \ 35.96 TR 35.18 FL 5235 Ronald Reagan Blvd.,Suite 200 34.94 FL v a• • • 35.45 SW 36.37 SW d 35.28 FL 35.28 FL 34.64 LP 36.87 SW Johnstown,CO 80534 'd 35.44 BR 35.46 BR 35.38 BR � �� 35.35 SW 34.25 FL 36.27 SW 36.77 SW 35.38 FL I 35.14 FL 35.28 FL 35.28 FL 34.95 FL i 35.92 FL 3. 2 d - I GallowayUS.Ocom � 35.38 HP I 34.54 FL 35.24 FL 35.45 FL 35.36 BR 35.20 FIL ° 35.38 HP 4935 35.05 HP 33.97 LP 35.98 TR 35.29 FL 35.22 FL ¢9� 6 36.13 SW 35.88 TR 35.38 SW d S N9�5 35.92 FL 36.27 SW 35.12 ME V, i 34.93 FL v d �.a. 34.95 FL - - - - - - - - - - - 36.37 SW v 34.96 33.97 LP � 35.20 FL ".� 35.38 HP v. � � 34.54 FL 35.24 FL 36.55 SW I--,------! 35.29 FL 35.38 HP 35.22 FL 35.05 H P 36.14 SW 35.43 SW 34.25 FL 34.64 LP 35.50 .52 SW 35.27 FL d v 35 35.69 SW 35.28 FL d 35.38 SW 35.78 SW Q G 35.56 SW _ 34 _ 36.21 SW __ I \ I, � /C►_ \Q \� 35.68 SW 35.26 FL 135.74 SW - 33 -- I \ \ \ C 335.67 SW 34.965FL1 ■ a 35.28 SW I \ 35.19 SW 34.62 FL 35.38 SW 1\ I \ \ I COPYRIGHT 35.09 SW I i I \ \ I \ LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE ■ I i 30.62 FL \ I \ AND ARE THE PROPERTY OF GALLOWAY,AND MAY PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED ■ i -�� 1, � I \ I \ ,, PROPOSED RIGHT-OF-WAY -------------- WITHOUT THE WRITTEN CONSENT OF GALLOWAY. I I \ \ 1 COPYRIGHTS AND INFRINGEMENTS WILL BE PROPOSED LOTLINE ENFORCED AND PROSECUTED. a - - - EASEMENT LINE -------------- - - - - - - - � 55 ` \ \ O ��i PROPOSED MAJOR CONTOUR 111 - I 29.84 FL PROPOSED MINOR CONTOUR 36 - - ■ 1 � �\ I I 1` \ ` � EXISTING MAJOR CONTOUR -4835- - - EXISTING MINOR CONTOUR - - - - - - a 1 , ■ , \ ��� \ I �� I \ \ \ \ l� EXISTING STORM DRAIN - - - SD - - - vv E� ���� � � � PROPOSED MANHOLE PROPOSED STORM INLET PROPOSED CONCRETE CROSS PAN (TYP.) e \ I T D ■ 32.53 FL 32.94 SW \\ --- - -----T--- I 11 I 1 1 \ 32.28 FL \\32.84 SW �� I a, PROPOSED SPOT ELEVATION \ I ti• � I I � f I \ PROPOSED SPOT ELEVATION (MATCH EXISTING) PROPOSED SPOT ELEVATION (FLOWLNE) ■ / \� \\1 I II r� PROPOSED SPOT ELEVATION (HIGH POINT) 32.76 SW �? `� y rr �� / /' j�� �\ \ PROPOSED SPOT ELEVATION (LOW POINT) ■ 32.66 SW PROPOSED SPOT ELEVATION (TOP OF RAMP) 31.44 FL \� 11 \ r r '` \ PROPOSED SPOT ELEVATION (BOTTOM OF RAMP) i 31.23 FL \` \ rrr i- �\ PROPOSED SPOT ELEVATION (SIDEWALK) TRACT C � 1v /' ". A NOTES: ■ ` �� ly y I' i 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN 31 \ � � i� � \ �' APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO \ ♦ �` 30.49 SW // ,r i� `'\ \ CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. THE \ \ 26.55 F, CONTRACTOR SHALL BE RESPONSIBLE TO CALL ALL UTILITY COMPANIES (PUBLIC AND PRIVATE) PRIOR z TO ANY CONSTRUCTION TO VERIFY EXACT UTILITY LOCATION. i Q ` 30.39 SW \ \ i \ ` 2. LIMITS OF STREET CUT ARE APPROXIMATE. FINAL EXTENT OF STREET CUT TO BE DETERMINED IN THE J 29.73 FL FIELD BY THE TOWN PUBLIC WORKS INSPECTOR. REPAIRS SHALL BE PER THE LATEST TOWN STANDARDS. 4930 ■ (/y \�� ' 29.55 FL \\\ "^' \\ �� \\� 3. ELEVATIONS SHOWN HAVE BEEN ABBREVIATED. THE ENTIRE ELEVATION IS THE ELEVATION SHOWN PLUS 4900 FEET (48.71 = 4848.71). z 4. CONTOURS SHOWN OUTSIDE OF STREET R.O.W. ARE OVERLOT CONTOURS. CONTOURS SHOWN WITHIN THE J \ \ �\ ♦ v � `�\ / ��� // r 11 , STREET R.O.W. ARE FINISHED GRADE. \ \ 30.67 SW 4. \\\ �y -\ - 5. ALL CURB SPOTS SHOWN ARE FLOWLINE ELEVATIONS. ALL OTHER SPOTS ARE RIGHT-OF-WAY LOT v \ ` 32 a• 29.06 LP `� � I - - CORNERS, GRADE BREAKS AT OVERLOT OR FINISHED GRADE FOR LANDSCAPE AREAS, UNLESS O ■ Q 30.87 SW \\ I �1 ♦ ` / --- ` OTHERWISE NOTED. ■ \\\ `�\ ���� 28.98 LP 30.06 SW 6. AREA OF OVERLOT DISTURBANCE TO BE BORDERED BY A SILT FENCE (TYP.) 29.02 FL z _ - - - L__� - _ 7. ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY (STRIPPING GRADING, UTILITY INSTALLATIONS STOCKPILING, FILLING, ETC.) SHALL BE KEPT IN A ROUGHENED CONDITION BY RIPPING OR DISKING z 0 O ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL BMPS V U ARE INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS-OF-WAY SHALL REMAIN 24.69 FL / 31.31 SW , E EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY (30) DAYS BEFORE REQUIRED Z Cn ■ \ \I \\ \\\: , \\ ��h ` r _ TEMPORARY OR PERMANENT EROSION CONTROL (E.G. SEED/MULCH, LANDSCAPING, ETC.) IS INSTALLED, J Z ■ \\ y \ ° �oti , ♦ x / UNLESS OTHERWISE APPROVED BY THE TOWN/COUNTY. J 11 \\ 29.97 SW \\ \ 28.20 �� �� `♦ 31.10 SW rr / i \ 1\ - -- -- 8. NO SOIL STOCKPILE SHALL EXCEED TEN (10) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE C 0 30.87 1R rr r / PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT c 0 'd • \\ \ ri FENCING. ANY SOIL STOCKPILE REMAINING AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. O J 30.83 SW ♦ �� �� r / � �� 0 W � 30.73 SW 30.33 BR 30.83 TR r'/ 1 '\ 9. SEE SHEETS C4.1 - C4.12 FOR EROSION CONTROL PLANS. J �y O ■ \ \\\ \\ \ `ti°' �� 30.28 FL 30.39 ME �I 10. EROSION CONTROL SHALL FOLLOW SWPPP AND BE UPDATED BY SITE ADMINISTRATOR THROUGHOUT m U- \ 30.23 FL / \ CONSTRUCTION PROCESS ■ 1 � \� \\ \\\ \ \ \ �°�� 30.91 SW 30.29 BR `♦ 30.33 FL / / , ` r =- 11. CONTRACTOR TO ADJUST RIM OF ALL EXISTING MANHOLES TO FINAL GRADING ELEVATION. 30.31 BR / I 1\ 1\ \ \� •a`, \> \ �� 31.05 SW ° , 30.05 FL 30.16 FL / 12. FINISHED FLOOR, TOP OF FOUNDATION ELEVATION IS NOT FINAL. PLOT PLANS WILL ESTABLISH TOP OF V A v\ 28.07 30.91 SW ♦ �� / \ 30.17 BR FOUNDATION BASED ON ACTUAL BUILDING FOOTPRINT. 30.81 TR 30,11 FL # Date Issue I Description Init. ■ 1 �� \ 111 30.69 TR\\ ` r I 13. GENERAL OVERLOT DRAINAGE NOTE: LOTS AND TRACTS AS PLATTED HEREIN MAY BE REQUIRED TO 29.77 SW 1 \ \ d / / CONVEY SURFACE DRAINAGE FORM OTHER LOTS AND TRACTS IN THIS FILING, IN ACCORDANCE WITH 1 y \ y \ ' / 30.00 ME - - IP TOWN REQUIREMENTS AND THE APPROVED DRAINAGE PLAN FOR THIS FILING. NO ALTERATIONS TO THE - \ I \ Q' i\ // /� 0 GRADING OF THE LOTS AND TRACTS MAY BE MADE THAT WOULD DISRUPT THE APPROVED DRAINAGE 1 PLAN, WITHOUT PRIOR APPROVAL FROM THE TOWN. ALL NATURAL AND IMPROVED DRAINAGE WAYS OR - \ \1 I d / / O i / ` DRAINAGE SYSTEMS IN SAID LOTS AND TRACTS SHALL BE MAINTAINED BY THE LOT OR TRACT OWNER _ \ ` ° 1 \ \ J I IN ACCORDANCE WITH TOWN CRITERIA. SHOULD THE OWNER FAIL TO ADEQUATELY MAINTAIN SAID FACILITIES, THE TOWN SHALL HAVE THE RIGHT TO ENTER SAID LAND FOR THE PURPOSES OF - \ OPERATIONS AND MAINTENANCE OF THE DRAINAGE WAYS OR DRAINAGE SYSTEMS. ALL SUCH MAINTENANCE COSTS WILL BE ASSESSED TO THE PROPERTY OWNER.A. - ■ 1 30.13 SW \' `� 30.23 SW i Qs - - - - - - - - - - - - - - - - -� >o B I 1 30.03 SW - 3u.13 SW - - - - - - - - - - - - - - - - - - - - - -- B 29.93 SW °a• � 30.05 SW � , ` -� I I � 29.81 SW ��� / / - - - - - - - - - - - - - - - - - - - - - - - - - - - Project No: HFH000073.20 1 B U' ■ 1 \ \ 1\ \ - 28.98 SW d �� N / / Ali / Drawn By: PGS \ ' i / W bV W Checked B JEP 1 1 1 ■ \ 29.39 SW -W 28.63 SW 28.86 SW -% _,�- _ - / \ I --FO- Fo- - - _ _ CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 ` 28.57 SW _ \ FO -FO- - FC; ca E - - -F 1 BY ALL THE APPROPRIATE UTILIIY SHOWN COMPA Y ARE SAND FIELD ON PSURFACEPROVIDED o GRADING PLAN fro= -Fo - - L-F_,- EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN � ■ APPROXIMATE- - - - RESPONSIBILITY TO ONLY.TION I CONTRACTOR'ST IS THE OFIELDVE VERIFY THE LOCATION OF ALLUTILITIES, ■ - - - - - - - _ PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2 I O W. W C C I I before you dig. r ENGINEER PRIOR TO CONSTRUC110N. E MULBERRY ST 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES O EXISTING UTILITY, IT IS THE CONTRACTOR'S a \ RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C3 , 4 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 19 of 47 ii 0% Gan,oway 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 970.800.3300 \ GallowayUS.com 777]r �ss — —W� ER COPYRIGHT PROPOSED CURB AND GUTTER THESE PLANS ARE AN INSTRUMENT OF SERVICE — — ASS AND ARE THE PROPERTY OF GALLOWAY,AND MAY ------------------ PROPOSED RIGHT—OF—WAY NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED — — — — — — — — — PROPOSED LOTLJNE WITHOUT THE WRITTEN CONSENT OF GALLOWAY. L _ _ _ ----------------- EASEMENT LINE COPYRIGHTS AND INFRINGEMENTS WILL BEENFORCED AND PROSECUTED. II I I I i I l I I I PROPOSED MAJOR CONTOUR I I 'R""A I I I I 6 PROPOSED MINOR CONTOUR — - - -4835 - - - — EXISTING MAJOR CONTOUR I 36 EXISTING MINOR CONTOUR 1110. FLOW ARROW � I I IRWT I I I I — LOC— LOC LIMITS OF CONSTRUCTION Ii VTC VEHICLE TRACKING CONTROL II I I I I I CW 0 CONCRETE WASHOUT AREA � I I SCL SEDIMENT CONTROL LOG �i SF SF SILT FENCE II . I I CF CF CONSTRUCTION FENCE I PT PORTABLE TOILET I I 1 c i ® IP INLET PROTECTION I I • I OP OUTLET PROTECTION / I I EE TEMPORARY SEEDING \ , , i a \ I •! ® SSA STABILIZED STAGING AREA if I---- ------- $P STOCKPILE MANAGEMENT — �� - - - - - - WATTLE DIKE •I I SUG CU EE CONTROL ------------------------- �- ---------- ` NOTE: Q r I ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE J DETERMINED BY THE CONTRACTOR. —W —W 4 THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) LZ — — — — — — — — — — MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. NOTES: 0 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY J COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE W W \ \ LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z `✓ I / CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. z LLI \ \ \ \ \ \\ / \� I _ _ _ _ I 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS rr nn 0 O ,xJcrc �`\\ /r y \ OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. V ,- U FORTH A THE METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET z �/ C6 N 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. z J 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 G G 0 C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY 0 J \\\\ 5. SITE CONDITIONS. 0 L U \\ \ \ ` \ \ \ \ \ \ \ i ` \\`� \ IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE m 0 Please remove all\ CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. ferences of the ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING wn of Windsor" CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. m the ESC plan In 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE \e_ Utility Plan set as TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. II as in the SWMP 7, CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE # Date Issue I Description Init. CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. Notes updated to 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — I �\ match City of Fort INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING — � Collins, Windsor DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. \ — — references removed. 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE _ 1 �1\ C � \` ��• � // � � SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED 1 — — — — — — — — — — — — — — — FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., — \ T _ W/ —W SEED/MULCH, LANDSCAPING, ETC.)Fe — ® FO —W — 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR FOR VERIFICATION. — — CFO_ — P'0`�-�—�—F'Oc�'=FC—=�-S+ — "" _ _ _ _ 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB —W —W W — — INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. 3 REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. a 0 `o U Erosion Control Plans Require a chart or table including w measurements, calculations and project specific details. The requirements can be found in the City of Fort Collins Project No: HFH000073.20 Stormwater Criteria Manual (FCSCM) Chapter 2 Section Drawn By: PGS 6.1.3.1 . A copy of the FCSCP can be found at Checked By: JEP https://www.fcgov.com/utilities/business/builders-and-develo pers/development-forms-guidelines-regulations/stormwater-c Date: 07/15/2025 CAUTION - NOTICE TO CONTRACTOR riteria 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED OVERALL EROSION BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 CONTROL PLAN E Chart Added ® EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN 0 APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, N PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIESTO THE Know what's b e I o w. ENGINEER PRIOR TO CONSTRUCTION. C a before you dig. 0 0 20 50 100 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S SCALE: 1"-100' RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 0 THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 20 of 47 alloway 5235 Ronald Reagan Blvd.,Suite 200 4 C4. 2 Johnstown,CO 80534 970.800.3300 GallowayUS.com 1 - - - - - - - - - - - - - - - - - - / 4. C z_J . 01 ST, - -DONELLA DR - - _ =Loc= O --� — _ _ — — — — — ER COPYRIGHT 'Tc �U C CF — C CF CF� I �� � T`�I nC -('� � ��� =LOC �� =t nr THESE PLANS ARE AN INSTRUMENT OF SERVICE \ �, -__ � '��7�TJ ',3T��� 1 PROPOSED CURB AND GUTTER I I ___ AND ARE THE PROPERTY OF GALLOWAY,AND MAY —————————————————— PROPOSED RIGHT—OF—WAY NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED _ — _ _ WITHOUT THE WRITTEN CONSENT OF GALLOWAY. T ■ COPYRIGHTS AND INFRINGEMENTS WILL BE 36 �\\` ----------------- EASEMENT LINE E _ __ - PROPOSED LOTLIN 38 1 ENFORCED AND PROSECUTED. U� �\ ``� �4935� ��� \\\.\\ — ---- ----------------- ----- PROPOSED MAJOR CONTOUR 34 PROPOSED MINOR CONTOUR - - - -4835EXISTING MAJOR CONTOUR - - - - -- v 3 \ --36 --- EXISTING MINOR CONTOUR 2 1 -'I �i I ----_ ---37----------------------- - -- I ■ - - 31 / i , I I - --- --- 1 ■ � FLOW ARROW �g3p I I - — —LOC- L OC LIMITS OF CONSTRUCTION ,- TRACT A I � �' VTC VEHICLE TRACKING CONTROL � \ I I I I I I / CW CONCRETE WASHOUT AREA i ,I I 1 ■ / SCL SEDIMENT CONTROL LOG o / // / ■ SF SF SILT FENCE -' I i / / / I CF CF CONSTRUCTION FENCE / I PT PORTABLE TOILET SF i I / / I ■ ® IP INLET PROTECTION TRACT F , / ■ ® OP OUTLET PROTECTION CF IL '- ------------ - I . . . . . . EE TEMPORARY SEEDING LOC o - / // / / / I ® SSA � I I I / / / O STABILIZED STAGING AREA r I 1 $P STOCKPILE MANAGEMENT I 00 ■ IM I I l i ■ CN WD WATTLE DIKE j I 1 I I I V [DETERMINED OTE: Q U I I \ I LL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE J \ ■ BY THE CONTRACTOR. \ I W \ 1 NOTE: z \ \ Lv THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) LLI MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO J THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. 1 I I I I I I I I NOTES: 'I` - ■ 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY J oc� % I - _4935 - - - - - - - - - - - - - I ■ COMPANY AND FIELD SURFACE EVIDENCE AT THE 11ME OF SURVEY AND IS TO BE CONSIDERED AN W W _ APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE z \ LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO LOT 1 ` CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. LLI 111 r7 I i I I \ I I I 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS ` OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. V ,- U I REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET z i C j l \\\ 1 ■ FORTH IN THE LANDSCAPE PLANS. J TRACT E Q z \\ I ■ 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. z J Please remove all references of the 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 0 \ "Town of Windsor° - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY 0 J from the ESC plan in SITE CONDITIONS. O w \ l �\ `\ i , ,' ' \ \ \\ I ■ the Utility Plan set as 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE J 0 CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. m LL well as in the SWMP ■ ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. Notes updated to 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE 34 I match Cityof Fort TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. Collins, Windsor 7, CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE # Date Issue I Description Init. \ \ �/\\\\\\`� \ \\ `\ ■ references removed. CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. \ \ \ _ \ \ \\\ \\`\ \ \\ �\ \ I ■ 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS - \ INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING 33- �\� �� \ `\�\`\\\`\`\ \ \\ `\ DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE - \ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., _ \ `\\ \ ` `� `\ �\\� \\ `�\ `\\ I ■ SEED/MULCH, LANDSCAPING, ETC.) \ 32� \ \\ ` - LAC \� \ \ \�\\ \\\� `\ `\ `\ 1 ■ 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR - \ O FOR VERIFICATION. - i \ \ \ CF \`\\�\\` \`\` \` \\ - - - - - - - - - - - - - - - - - 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB - �\ \\\\\ \ �\ 1 INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH - \ \ \ SF \\\\\\ �\ \ \ \\ SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF - \ \ \ \ \\\\ \ \ \ \ I WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. - 3 �\ -----__ \ \ \ \ `\\\\�\\\\\\ \ \ `\ 1 ■ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR - - AND/OR STORM WATER PERMIT HOLDER. \ I Project No: HFH000073.20 ■ ■ \\\� ■ ■� \� ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Drawn By: PGS MATCHLINE-SEE SHEET C4.3 Checked By: JEP U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INITIAL EROSION CONTROL E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN o ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O W. ENGINEER PRIOR TO CONSTRUCTION. C all before you dig. _O„ 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 1 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 21 of 47 a i iowa 1 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 970.800.3300 GallowayUS.com i \ 1A 'k 0 - - I U � Q Do LOC ELL ►«���._ w- -Loc F D _ SF T 1 i O 4 ^T II ER COPYRIGHT ■ I a� _, PROPOSED CURB AND GUTTER THESE PLANS ARE AN INSTRUMENT OF SERVICE � AND ARE THE PROPERTY OF GALLOWAY,AND MAY i_- ------------------ PROPOSED RIGHT-OF-WAY NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 't I ------_ PROPOSED LOIIJNE WRITTENWITHOUT THE CONSENT LOWAY. COPYRIGHTS AND INFRINGEMENTS IEASEMENT LINE ENFORCED AND PROSECUTED. PROPOSED MAJOR CONTOUR ■ I 6 PROPOSED MINOR CONTOUR - - - - LOC - — — —4835 — — — - EXISTING MAJOR CONTOUR ■ 1 I 36 I EXISTING MINOR CONTOUR II CF 1110. FLOW ARROW SF — LOC— LOC LIMITS OF CONSTRUCTION li \ VTC VEHICLE TRACKING CONTROL ■ I I m CW CONCRETE WASHOUT AREA SEDIMENT CONTROL LOG SF SF SILT FENCE I ----------- I /\ i �J CF CF CONSTRUCTION FENCE PT PORTABLE TOILET ■ I I IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING SSA STABILIZED STAGING AREA ■ I , // I I I STOCKPILE MANAGEMENT I I / WATTLE DIKE TRACT B / i i'o R G CU S EE CO TR ■ = I /49�� I ��� ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE ■ 1 , / i 1 4 I I DETERMINED BY THE CONTRACTOR. LLJ W I / r \ NOTE: \� 'i THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP)LLJ z / r I MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO w ■ J I / / I \ 1 i I Please remove all THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. references of the U ' / , �■-- „ „ NOTES:Town of Windsor ATE UTILITY 0 from the ESC plan in 1 COMPANY AND FELD. ALL UTILITY NSURFACE EVIDENCE ARE EAT THE 11ME OD ON MAPS F SURVEY AND VIDED BY EISTO BERICONSDERED AN J the Utility Plan set as APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE w w — — - — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —I LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z \ \ / I �\ I well as in the SWMP CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. z UJ ■ ' \ / I \ I I I 2 OROSION THOSE OF�THE URBANOL CES FOR DRAINAGEITE PROTECTION FLOOD CONTROL DISTRICTLOW VOLUME E LOCAL 3 WHICHENTITIES EVER IS MORETIONS V U E \ Notes updated to REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET z C I \ r I match City of Fort FORTH IN THE LANDSCAPE PLANS. J z 1 \ I 1 T Collins, Windsor 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. LL_ J references removed. 0 / I I 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 (� ■ 1 \/ I I` - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY 0 J SITE CONDITIONS. 0 W ■ I '�� 1 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE J 0 \ CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. m U_ \ I 1 I ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. � 1 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE ■ \ L TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. ■ I I � 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE # Date Issue I Description Init. CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. — I _ 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — I INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING }\ DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. ■ I \ ' 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE — SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED ■ I / / Wr FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., - - SEED/MULCH, LANDSCAPING, ETC.) - -�—- - - - - - - ' _ _ _ _ _ _ _ _ _ _ _ 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — FOR VERIFICATION. — i \t \ \ 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — ■ I I + INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH — _ SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF — _ WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE ■ - I �\� \ DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. o , ■ ■ ■I ■ ■ ■ �■ ■ ' ■ ■ ■ ■ ■ ■ ' ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ' ■ ■ ■ ■ \ �■ ■ '■ ■ ■ ' ■ ■ ■ ■ Project No: HFH000073.20 MA TCHLINE-SE E SHEET C4.4 Drawn By: PGS Checked By: JEP 0 U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INITIAL EROSION CONTROL E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 01� PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN o ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O w. ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 2 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 22 of 47 MA TCHLINE-SEE SHEET C4.1 Gan,oway \ 5235\; Ronald Blvd.,Suite 200 Johnstown,CO 80534 ■ L 4. 1 C 4. 2 970.800.3300 I Gallowa US.com LOC \ CF \ — — — — — — — — — — — — — — — —�---— — — SF o 1117 COPYRIGHT PROPOSED CURB AND GUTTER THESE PLANS ARE AN INSTRUMENT OF SERVICE ` — ■ AND ARE THE PROPERTY OF GALLOWAY,AND MAY \ \ \ \ \ \ \ \ \ \ �\ \ �� �\ I ■ PROPOSED RIGHT—OF—WAY NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED PROPOSED LOIIJNE WITHOUT THE WRITTEN CONSENT OF GALLOWAY. COPYRIGHTS AND INFRINGEMENTS WILL BE ------ EASEMENT LINE ENFORCED AND PROSECUTED. \\ `� ` I ` PROPOSED MAJOR CONTOUR 6 PROPOSED MINOR CONTOUR - - —\ \ \ \ \ \ ` \ \�` `�` \ ?` \`\�\ ` `\ 1 `\ _■ — —4835 — EXISTING MAJOR CONTOUR --36 --- EXISTING MINOR CONTOUR \ \ \ \\ \ — \ \ \��.\\ 2\`�\�\ \�\ \`� 1 ■ � FLOW ARROW LOC— LOC LIMITS OF CONSTRUCTION VEHICLE TRACKING CONTROL O CONCRETE WASHOUT AREA SEDIMENT CONTROL LOG SF SF SILT FENCE \ / ' \ \ \ \ \ \ \ \\ �\\.\\�� ���\� `\ ♦ CF CF CONSTRUCTION FENCE PT PORTABLE TOILET \ ♦ ■ IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING STABILIZED STAGING AREA TRACT C STOCKPILE MANAGEMENT WATTLE DIKE \ \ \ \ \ \ RCS ROUGH CUT S E C NOTE: ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE J DETERMINED BY THE CONTRACTOR. LLJ L NOTE: z THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO w THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. v v v v y v v \ \ v v y \ �� 1 1 ■ NOTES: \ \ \ \ \ \! \ +\ 1 +1 ■ Q 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY J COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN W W APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE z \ LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. LLI Z D 0 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS �11�-� Please remove all ENTITIES C)\ \ \ \ \ \ ■ OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. ,- REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENS CURRENT REGULATIONS OR THOSE SETCli \ � � \ � \ � CF �\ � � �\ � \ �\ \� ■ FORTH IN THE LANDSCAPE PLANS. z Z references of the J Q SF ( "Town of Windsor" 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. z J \\ \\ \ from the ESC plan in 0 the UtilityPlan set as 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 J C-)we as M O well In the SWP - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY w \ \ \\ \ SITE CONDITIONS. 0 \ 1 \ 1 \ \` \ \\ \� \ \ \� \ �� ■ 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE J 0 \\ 1 1 1+ \ \ \\ �� �� \ ■ Notes updated to CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. m LL match City of Fort ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING \\ �� \ \ Collins, Windsor CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. references removed. 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. \ 1 11 1 1�� \ \ 1 I �� \ \ ■ 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE # Date Issue I Description Init. CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. — 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING — DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE — \ \ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED LOC FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E.,1 1 + \ ■ 1 — I 1 1+ 1+ 1 SEED/MULCH, LANDSCAPING, ETC.) — 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — FOR VERIFICATION. 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — 1 + 1 + INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH — \ 1 \+ 1 SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE 1 1 ■ DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. 1 1 s 1 + \II ■ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR 1 1 \ 11 1 1 1+ 1 \ \ AND/OR STORM WATER PERMIT HOLDER. 1 Project No: HFH000073.20 w 1 1 1 \ 1 \ � ■ 1 \ 1 1 1 \`, ` ■ Drawn By: PGS 1 \ \ \ I Checked By: JEP UM CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 \ _ _ _ I� 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INITIAL EROSION CONTROL _ _ —rV_ _ - — —F —FC BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE \\ 1 ■ EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN PLAN — _ _� ■ ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S ®® RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O W. ENGINEER PRIOR TO CONSTRUCTION. C C I I before you dig. 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING MULBERRY STUTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 3 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 23 of 47 MA TCHLINE—SEE SHEET C4.2 1 \ Galloway \ 5235 Ronald Reagan Blvd.,Suite 200 1 I , Johnstown,CO 80534 y C 4. 1 C 4. 2 970.800.3300 ■ �����I � �� � �� GallowayUS.com — — —�---- — — — — — — — — — — — — — — — — — — — — 33 0 �G / ,1 V I I LOC \ 1 CF \\ ER COPYRIGHT \ PROPOSED CURB AND GUTTER THESE PLANS ARE AN INSTRUMENT OF SERVICE I I \ r \ AND ARE THE PROPERTY OF GALLOWAY,AND MAY ■ I I - I _ _ �\ —I " SF \ 1 ------------------ PROPOSED RIGHT-OF-WAY NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED E WITHOUT THE WRITTEN CONSENT OF GALLOWAY. ■ I I _ I O ----------------- EASEMENT LINE COPYRIGHTS INFRINGEMENTSAND WILLBE PROPOSED LOTLJN �, I \f 1 � \� � � PROPOSED MAJOR CONTOUR ENFORCED AND PROSECUTED. - - - - - - - __. — _ - - - - = - - - - - - - - - - - - — — — — — - - - - - - - - - - I - - - - - -\� — \ \y 6 PROPOSED MINOR CONTOUR � r -4835 - - - - EXISTING MAJOR CONTOUR ■ I \� I \ \ `�� 36 EXISTING MINOR CONTOUR ■ ` I �� \��\ II \\ \ � FLOW ARROW LOC- LOC LIMITS OF CONSTRUCTION E VEHICLE TRACKING CONTROL L' ` r \ \ CW CONCRETE WASHOUT AREA TRACT D 2 _-- --__ \ \ 1 \ I _- ■ 1 _ 3 I I s\ SEDIMENT \ SF SF SILT FENCE CF CF CONSTRUCTION FENCE PT PORTABLE TOILET ■ ♦ i I I �i' �\ �, i \� ® IP INLET PROTECTION I ■ I I �F^� '� �, /,' \ ® OP OUTLET PROTECTION JE- \ \ EE TEMPORARY SEEDING - -� STABILIZED STAGING AREA I - - - - - - - - - - ' TRACT C r STOCKPILE MANAGEMENT ■ // \\ / ��/ WD WATTLE DIKE ROUGH CU S �I W \` i NO : Q ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE J DETERMINED BY THE CONTRACTOR. NOTE: z ♦� `\\` \ \ I 1 / \ ' THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP)L4J W �� \` \`\ ` !� / MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO � \ THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO 1. ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. 47 _ NOTES. 0 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY J ■ \ \ \\\` , \� `\ \\ \\/ ` _— �`� j COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN w w IN( APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE \ \ \\,\�\�\\ \\ \\ 1\ `�\ (' LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z / CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. z LU A\ \ \ \ \ / \ i' ` / LOC ' \ 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS rr 1n'� 0 ' / fl OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. V ,- U a \ `\ `\ `\\ \\ \ / / ♦ � \ REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET z �/ ■ CF ` \ `\ \ , \ \ \/ / ` - CF / l FORTH IN THE LANDSCAPE PLANS. C SF 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. z J \1, \ `, \ \\ \ \ \, ♦ ,' \` G G 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 0 C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY SITE CONDITIONS. 0 LU ■ \\ \ ` \ \\``\\ \\\` \\\\\\\\ \\ /' ` i' \ 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE J 0 CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. m LL ■ �\ \ \ ` 1 ` \\ \ \ \ \ / rl / / \ ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. I 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE Please remove all TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. references of the 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE # Date Issue I Description Init. ■ \\ , / r / \ Town of Windsor CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. 1\ • \ \ �\ `, �, \ ;-' / _ — IP from the ESC plan in the Utility Plan set as 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS - \ well as in the SWMP INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING - \ DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. l I Notes updated t0 9• FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE - I p SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED - / match City of Fort FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., ■ r \ \ \�\ \\ ,' // / Collins, Windsor SEED/MULCH, LANDSCAPING, ETC.) - \ references removed. 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR - ■ I I i \ \ i\ _ - \ - - FOR VERIFICATION. -- - - - - - — \ 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB - \ 1 - _ �� I INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH - 1 SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF - In WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. - ■ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR _ ■ `1 I \ 1 \ \1 �1 � \ � ` � � ' / / � � � ` ` ` I I I �- AND/OR STORM WATER PERMIT HOLDER. I y j / — — — — — — — — — — — — — — — — — — — — — — — Project No: HFH000073.20 w 0 20 40 Drawn By: PIGS —w co W —W v-- Al— Checked By: JEP _ ' - - T- // 7 — — — - / SCALE: 1"=40' Date: 07/15/2025 s —`-' — — _ — _ CAUTION — NOTICE TO CONTRACTOR ° —FO —FO FC' 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INITIAL EROSION CONTROL JU 1— BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 - Fo=- - -ro- -—fro= L_F_,- Fo_ - - EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN PLAN E � FG- FQ APPROXIMATE TION T IS THE ■ - - - - - RESPONSIBILITY TOA FIELD OVE IFYITHE LOCATION OF ALLUTILITIES, ■ - - - - - - - _ PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, - - - - PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2 I O w. w \ \ ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. ST2. WH VULBERRY ERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S a - RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 4 THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 24 of 47 ii Gammoway 5235 Ronald Reagan Blvd.,Suite 200 4. 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PROPOSED RIGHT-OF-WAY COPYRIGHTS AND INFRINGEMENTS WILL BE _ \_ I PROPOSED LOTLINE ENFORCED AND PROSECUTED. p , _ — p I ■ ----------------- EASEMENT LINE 32 \ - CWA 3� PROPOSED MAJOR CONTOUR v _ — 4930 I I o PROPOSED MINOR CONTOUR TRACT A —4835 I \_ 29 SP — — — — EXISTING MAJOR CONTOUR 38 --------36 --- EXISTING MINOR CONTOUR 1 r7 \ I � FLOW ARROW I II ■ — —LOC— LOC LIMITS OF CONSTRUCTION ov v C ■ VTC VEHICLE TRACKING CONTROL CW CONCRETE WASHOUT AREA I / / SCL SEDIMENT CONTROL LOG S F I \ 36 I ■ SF SF SILT FENCE U I o N N TR T F i I ■ CF CF CONSTRUCTION FENCE CF PORTABLE TOILET O I N - 36 I � I IP INLET PROTECTION OP I I I N - D ■ OP OUTLET PROTECTION o IP I ■ EE TEMPORARY SEEDING K I I ® SSA STABILIZED STAGING AREA I II i11 STOCKPILE MANAGEMENT p Cn I \ I W� WATTLE DIKE p I I \ ■ ROUGH CUT STREET CONTROL Z W RCS l 0 4935 I ■ Q l l \ LV NOTE: ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE N I l l 1 DETERMINED BY THE CONTRACTOR. p — _ d / NIr I a d d• z I I / I 36 v .. ■ J NOTE: w 1 I p� I o I o _ — _ — IP I = THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) cc p % I -4935 _ _ — — _ — _ ■ MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO G THE 11ME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO - LOT 1 — ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. O M , IP NOTES: J IP 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W W COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN z I APPROXIMATE44 LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE UJ E D TRACT E LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO Z Q 0 ` \ I ■ CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. r n p Id v 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS z p I I OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. o REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET J Z (n ) oIP FORTH IN THE LANDSCAPE PLANS. J Please remove all Z OP references of the 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. CC O ■ "Town of Windsor" d \ ■ from the ESC plan in 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 O LJJ \ I the Utility Plan Set as - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY O a - SITE CONDITIONS. J "a. well as in the SWMP I 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE A ' v CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. A I Notes updated to d v a' ' • c n : a p ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING 36 d v A ■ match City of Fort CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. �� �� a •. � Collins, Windsor �\ v v . d ■ 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE 19 0 a I references removed. TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. �o a # Date Issue I Description Init. a _ \ 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. — ° Q 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS d a a 4 v d ■ INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING — __ a d DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. 34 IP A 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE — \ 4935 _ _ _ v •, d n SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED \ ` \ FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., — \� \ \ \ LOC ` �\ ` "mod SEED/MULCH, LANDSCAPING, ETC.) — \ e� d 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR \\ _--__ \ \ \\ C F \' ` \ \ �; ■ FOR VERIFICATION. — / SF \ \ �\ IP I 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — \\ d INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH — \ SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERA11ONS CAUSING NON-COMPLIANCE. — \ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. E MA TCHLINE-SEE SHEET C4.7 Project No: HFH000073.20 U Drawn By: PGS Checked By: JEP 0 U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INTERIM EROSION E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE \\ CONTROL PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN s ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O W. ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 5 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 25 of 47 ii aim owa 5235 Ronald Reagan Blvd.,Suite 200 DJohnstown,CO 80534 4. 5* 56 970.800.3300 GallowayUS.com tq�,e #**V0// � . D C4. ADD ��� — - - - - - - - — — — — — — — --! - - D o o QQ` o" Q3 - VTC - _ DONELLA - ,� I Z } ;LOC -.-�J , w - - �ti►, f���.� �--_ COPYRIGHT 0 C F _` SF THESE PLANS ARE AN INSTRUMENT OF SERVICE O _ I EROSION CONTROL LEGEND: AND ARE THE PROPERTY OF GALLOWAY,AND MAY ° d v I� PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED d i ------ PROPOSED RIGHT-OF-WAY WITHOUT THE WRITTEN CONSENT OF GALLOWAY. [=7 COPYRIGHTS AND INFRINGEMENTS WILL BE PROPOSED LOTLINE ENFORCED AND PROSECUTED. ------ EASEMENT LINE - - - a PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR - — — —4835 — — — - EXISTING MAJOR CONTOUR 36 - ■ �I - _____ _ _ LQC EXISTING MINOR CONTOUR _00� FLOW ARROW CF — —LOC— LpC LIMITS OF CONSTRUCTION SF VTC VEHICLE TRACKING CONTROL ------ � ■ I CW CONCRETE WASHOUT AREA I I ■ SEDIMENT CONTROL LOG SCL D I I t SF SF SILT FENCE CF CF CONSTRUCTION FENCE /\ I PT PORTABLE TOILET ■ I I / / \ IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING STABILIZED STAGING AREA ■ ,' ///� 11 lit $P STOCKPILE MANAGEMENT I ■ I t I i WD WATTLE DIKE I / � � I 1\ 1 TRACT B i I �� ROUGH CUT STREET CONTROL z Q � � I 1 NOTE: J ■ W , / I \ ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE ■ LrV I / , I \ I I DETERMINED BY THE CONTRACTOR. W z THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) `'I"I i I I i MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO • I / / I D I THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO II ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE.NOTES: O I I \ I J 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W W / I COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN \ APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE z / IP / I LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TOIP z �-�--� \ _ — — — — — _ _ — — — D \ I CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION.I r n Q O 2. EROSION CONTROL PRACTICES FOR SITE PROTEC11ON SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS ■ I \ I \ I 1 \ I OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. Z (n REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET z E ` \ 11 1 FORTH IN THE LANDSCAPE PLANS. J Q J I 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. � z J Please remove all O references--of the U l 1 I 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1 O SEE DETAILS ON SHEETS C4.1 J I "Town of Windsor° - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY O L U a • \ / I / 1� 1 from the ESC plan in SITE CONDITIONS. J �/ ■ I ( I 1 the Utility Plan set as 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE m 0 well as in the SWMP CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING \ POST Notes updated to CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. � � 1 � I \ match City of Fort 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE A ' Collins, Windsor TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. # Date Issue I Description Init. ■ A .° d I \ 1 \\ references removed. 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE — v ` 1 CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. — va 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — d d INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING — \ D D DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. • t \ 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE d' ' \ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED — 1 d VTC FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E.,0dr — v I 4 i a V SEED/MULCH, LANDSCAPING, ETC.) — d 4935 IP IP 6 1 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — a D° c - - - - - - - - -S - - - - - - 49y5 - - - __ �� 1 t FOR VERIFICATION. — t " G \ d 1 t 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — F b \ INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH _ ° d SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF a. a _ WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE ■ I a IF d v IP - DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. — d v ` REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. 33 1 U N \ \ \ I w OP \ \ Project No: HFH000073.20 E c ■ ■ ■I ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ M ■ ■ ■ ■ ■ ■ ■ \ ■ ■ ■ ■ ' ■ ■ ■ ■ Drawn By: PGS MATCHLINE-SEE SHEET C4.8 Checked By: JEP U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INTERIM EROSION E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE DD CONTROL PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN 0 LJJ s ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O w. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 6 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 26 of 47 MA TCHLINE-SEE SHEET C4.5 ■ ■ ■ ■ ■.. ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ � ■ ■ ■ ■ .. a Gammoway \ gyp\ ° . \ \ \ \ 4935 ° ° � �\ � � � \ a• T 1• 5235 Ronald Reagan Blvd.,Suite 200 \\ •• ° v • ° • ° v C 4. � C 4. 6 Johnstown,CO 80534 \ d 4 v 1 Gallow0a US.Ocom d 1. y \ 34 I P ° O F LOC \ ° a CF \ o. a C4. \ / O� CD z Z_/ a T �\O s - COPYRIGHT EROSION CONTROL LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE \ I AND ARE THE PROPERTY OF GALLOWAY,AND MAY PROPOSED CURB AND GUTTER I NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED ------------------ PROPOSED RIGHT-OF-WAY WITHOUT THE WRITTEN CONSENT OF GALLOWAY. PROPOSED LOTLINE COPYRIGHTS AND INFRINGEMENTS WILL BE ENFORCED AND PROSECUTED. ----------------- EASEMENT LINE PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR —4835 — — — - EXISTING MAJOR CONTOUR 36 EXISTING MINOR CONTOUR FLOW ARROW \ \ \ \ \ \ LOC LOC— LOC LIMITS OF CONSTRUCTION -(:\ 14 VEHICLE TRACKING CONTROL C QF ° �3 . CW CONCRETE WASHOUT AREA � $CL SEDIMENT CONTROL LOG SF SF SILT FENCE \ \ \ \ \ \ \\ \ \ CF CF CONSTRUCTION FENCE \ \ \ \ PT PORTABLE TOILET IP INLET PROTECTION \ \ \ \ \` \ \�' ?� \ ` ® OP OUTLET PROTECTION EE TEMPORARY SEEDING STABILIZED STAGING AREA TRACT C ® O \\ \ \ \ \ \ SP STOCKPILE MANAGEMENT \\ V A \ \ \ \ WD WATTLE DIKE O \ A \ C 0 H T TR T N OL V A LLJ LLJ NOTE: J ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE DETERMINED BY THE CONTRACTOR. �— \ 1 NOTE: \ \ 1 W THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) L U \ \ \ \ \ z MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSIRUC110N PROCEEDS, TO \ \ \ ® \ 1 V ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. 0— \� NOTES: O \ \ \ \ \ . 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W L1J N \ COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE Z \ t LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO w CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. z 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS (D U OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. z �/ \ REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET \\ I \ \ \ \ \ \ \ FORTH IN THE LANDSCAPE PLANS. J Q z \ \ \ \\ \\ \ \ 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. LL z J Please remove all CCU \ \ \ \ 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 O references Of the - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY O w \ \ \ 1 \ \ \ "Town of Windsor" SITE CONDITIONS. from the ESC Ian in J \ \\ \ p 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE m 0 the Utility Plan set as CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. \ 1 \ \ well as in the SWMP ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING IP CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. \ \ \ Notes updated to 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE match City of Fort TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. # Date Issue I Description Init. Collins, Windsor 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE — \\ references removed. CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. \ \ \ 1 \ \ • 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING — \ A. \ DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. — \ \ \ \ \ \ \ 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE — \\ LOC SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED — \ \ \\ \ p FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., — \ SEED/MULCH, LANDSCAPING, ETC.) — \ 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — N \ \� FOR VERIFICATION. \ \ 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — \ INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH 1t SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTEC110N DEVICES THAT ARE — DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR — \ • AND/OR STORM WATER PERMIT HOLDER. \ ` \ Project No: HFH000073.20 Drawn By: PGS Checked By: JEP \ — — — CAUTION — NOTICE TO CONTRACTOR Date: 07/15/2025 �� =h0=_° -FO�- 1. ALL UTILITY LOCAl10NS SHOWN ARE BASED ON MAPS PROVIDED INTERIM EROSION e -FO— — F0— — — BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 _ \ EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN 0 CONTROL PLAN s APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I o W. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S EMULBERRY ST RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 7 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 27 of 47 MA TCHLINE—SEE SHEET C4.6 No Galloway 5235 Ronald Reagan Blvd.,Suite 200 ° d e a e I 11 . r Johnstown,CO 80534 J 970.800.3300 v I d I I GallowayUS.com .a e v" d • n - — 4935 F v e I \ ` O ■ OP I 1 \ d I v O \ LOC \ COPYRIGHT THESE PLANS ARE AN I I I \\ CE CF \ EROSION CONTROL LEGEND: AND ARE THE PROPERTY OF GALLOWAY,ANDUMENT OF MAY ■ I WD — — —I — \ PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED ■ , I SF \ WITHOUT THE WRITTEN CONSENT OF GALLOWAY. COPYRIGHTS AND I ------------------ PROPOSED RIGHT—OF—WAY / I —'37►N j� I ` O PROPOSED LOTLINE ENFORCED AND PROSECUTED.I ENTS WILL BE V \ 1 ----------------- �� 1\ / I EASEMENT LINE v - _ - - - - - - - - - - - - - - - - - - -- - - - PROPOSED MAJOR CONTOUR - - - PROPOSED MINOR CONTOUR ■ I \ 1 -4835 - EXISTING MAJOR CONTOUR ■ 1 Io WD \ \ '' 36 EXISTING MINOR CONTOUR E,Yt 1 FLOW ARROW LOC- LOC LIMITS OF CONSTRUCTION ° �v' I TRACT D 32 VEHICLE TRACKING CONTROL CONCRETE WASHOUT AREA SEDIMENT CONTROL LOG SF SF SILT FENCE / / \ CF CF CONSTRUCTION FENCE ■ \ ?� WD i 1\ PT PORTABLE TOILET IP INLET PROTECTION mac, / / � / UE \ �\\ � OP OUTLET PROTECTION EE TEMPORARY SEEDING VTR CT C e - F i� \ STABILIZED STAGING AREA �� ` \\ ® SSA 3� ♦ �' STOCKPILE MANAGEMENT OF WATTLE DIKE RCS ROUGH CUT STREET CONTROL Z WD I, ,- �� NOTE: ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE DETERMINED BY THE CONTRACTOR. / •� z mil, \ 1 •, , � �i � \ \ ♦ � � �� i NOTE: LLI /� THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) ` \` \ 1 \ ♦ - MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO 0- ■ WD �� ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. O NOTES: J ■ \ ` \ \ \ \ \ \ ` N . �' ��\ _ ILA - 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY w w \ \ \' \ / ♦ - �` �' - / COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN Z \ \\ - - - - - - - - _ APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE w a \ IP `♦ _ — - i L LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z LOC CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. rn 0 0 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS z ■ \ \ \\ OP w as DCF - / / ( OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. z \ \ \ REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET J ■ \'' �\ \ \ a , \ ♦ IP SF /J�,' FORTH IN THE LANDSCAPE PLANS. UL. z J i 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. C Q O �\ \ \ \\ \ / `♦ / \ p / 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 O LJJ PT C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY J N ■\ \\ \ i / i SITE CONDITIONS. L.I_ Q ■ \ \ VTC 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. Please remove all ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. references of the \ i "Town of Windsor° 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE from the ESC plan in TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. # Date Issue I Description Init. \\ \ \ ` / ; ° / ♦ / I _ - IR the Utility Plan set as 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE - ■ well as in the SWMP CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. - \ OP i 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS - \ 1 \ A. \ \\\ ° Notes updated to INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING - \ DUST WHICH, IN THE INSPECTOR'S OPINION IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. match City of Fort v11 Collins, Windsor 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE ■ 1 \ \ \ \\ / I references removed. SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED - \ FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., ■ \ / / SEED/MULCH, LANDSCAPING, ETC.) A. i I 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR FOR VERIFICATION. \�1 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB )�- / r� INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF - ■ / L - - - - - - WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE I _ DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. - ■ 11 J I I REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. w / id - - - - - - - - - - - - - - - - - - r1/ Imo_ i Project No: HFH000073.20 SF CF LOC / / � 11 Drawn By: PGS W —W —W -_ i� Checked By: JEP - — — _ CAUTION — NOTICE TO CONTRACTOR SCALE: 1'=40' Date: 07/15/2025 FC, Fu 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED INTERIM EROSION E --- - - -F N; \ BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE O CONTROL PLAN �- - - _ _ _ FO EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN / —r- oo APPROXIMATE TION T IS THE ■ RESPONSIBILITY TOA FIELD OVE IFYITHE LOCATION OF ALLUTILITIES, ■ - - - - - - - _ _ PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, :N OL - - - - - PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O W. ENGINEER PRIOR TO CONSTRUCTION. C Q I I before you dig. E U B E R R Y S T 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 8 THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 28 of 47 Seed and Mulching Added to plan need to be indicated Gan /O��on the Final Erosion Plan 5235 Ronald Reagan Blvd.,Suite 200 4. 9 C4. 1 0 Johnstown,CO 80534 970.800.3300 j' GallowayUS.com DONEL D R4J C o� =BLOC= ------ — — — — — - - =LOC= _ — _v a I I oA ¢ — - - — — ■ COPYRIGHT 38 '�9 I EROSION CONTROL LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE i ---- __ AND ARE THE PROPERTY OF GALLOWAY,AND MAY PROPOSED CURB AND GUTTER 37 _ NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 36 _ _ — —— I PROPOSED RIGHT—OF—WAY WITHOUT THE WRITTEN CONSENT OF GALLOWAY. 4935 — '` — — COPYRIGHTS AND INFRINGEMENTS WILL BE _ 34 - - ------- PROPOSED LOIIJNE ENFORCED AND PROSECUTED. 0 32 33 o ■ ---------- EASEMENT LINE 31--'-_ - I ---- 37 ■ PROPOSED MAJOR CONTOUR 4930 _ •4930- - I �� TRACT A PROPOSED MINOR CONTOUR - - - -4835 - - - - � - 29 --' � � I � i EXISTING MAJOR CONTOUR --_ I - - - - -36 --- EXISTING MINOR CONTOUR Zap �� I I Ii I� I � 38 �► FLOW ARROW ■ — LOC— LOC LIMITS OF CONSTRUCTION ■ '; �� VTC VEHICLE TRACKING CONTROL 1 I 3 I� � CW CONCRETE WASHOUT AREA SCL SEDIMENT CONTROL LOG / I ■ SF SF SILT FENCE TR T F i ■ CF CF CONSTRUCTION FENCE 1 LOC I --------36----- - - - ---- - - - - - PT PORTABLE TOILET IP INLET PROTECTION 34 49 I ® OP OUTLET PROTECTION = I I I ■ l N o 4935 p I ■ EE TEMPORARY SEEDING ® SSA STABILIZED STAGING AREA I I I co N I I I I I o I I I I i l l I r7 I i I o CD SP STOCKPILE MANAGEMENT 34 I ��^`' W� WATTLE DIKE I "� ■ W 4935 I ■ C ROUGH CUT STREET CONTROL z U I � I I NOTE: J ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE I DETERMINED BY THE CONTRACTOR. G Q Z z o f 4935 I ■ J NOTE: w \ I = THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) cc o I _ — — — _ — ■ U MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO G \ — ~ THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO I Q ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. M � LOT 1 NOTES: J 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W W I COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN z 1 ■ APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LU '`' TRACT E I LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z j I �' ti,� ■ CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. 0 O rr 1n' U I I I 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS V U o I ! I OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. z (n -J I I Please remove all REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET J z I � M Q - I � o FORTH IN THE LANDSCAPE PLANS. 1 � references of the — J I Z \ ?> a "Town of Windsor" 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. J �� V o ■ from the ESC plan in O ■ the Utility Plan set as P � �� • ��, �• I � ; ` v � Y 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET C0.1, SEE DETAILS ON SHEETS C4.1 0 J � well as In the SWMP - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY O LLI SITE CONDITIONS. J 0 _ 34 N a m LL 5 IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE L _ Notes updated to CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. 36\ \ ` ° • a ' ' , I match City of Fort ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING r'9\ G v v a \ % a -A d ■ Collins, Windsor CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. -\ \\ ` \ ,�j a v • d ■ references removed. 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE \ v I TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. ° # Date Issue l Description Init. 4935 ° a _ 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE \ \ \ + ` \ \ v• CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — \ ` \ ` v 1 ■ INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. — d ' 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE — ` _ _ _ _ _ _ _ _ _ _ a •. a_ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., — \ SEED/MULCH, LANDSCAPING, ETC.) 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — _ \ ` ` \ ■ FOR VERIFICATION. 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — i G INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH — \ SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE — �\ DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. — \ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSI LITY OF CON A TO Q AND OR STORM ATE P MI HO DE MA TCHLINE-SEE SHEET C4.7 Project No: HFH000073.20 U Drawn By: PGS Checked By: JEP 0 U CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED FINAL EROSION CONTROL E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0� PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN s ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2I O W. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4 , 9 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 29 of 47 iiowa Added to plan ano 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO Seed and Mulching C4. g 4� 970800.3300 80534 need to be indicated GallowayUS.com on the Final Erosion Plan _ C) Vv — — - - - - - - - — — — — - - I z COPYRIGHT LOC Lp O DONELLA THESE PLANS ARE AN INSTRUMENT A SERVICE DR _ EROSION CONTROL LEGEND. 1 LOC� _ - I�p 1 PROPOSED CURB AND GUTTER AND ARE THE PROPERTY OF GALLOWY,AND MAY ,I �.. AY ° LOC — NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED —————— PROPOSED RIGHT—OF—WAY WITHOUT THE WRITTEN CONSENT OF GALLOW . ■ —__ _ I COPYRIGHTS AND INFRINGEMENTS WILL BE — —— — I PROPOSED LOTINE ENFORCED AND PROSECUTED. EASEMENT LINE PROPOSED MAJOR CONTOUR _ 6 PROPOSED MINOR CONTOUR —4835 — — — — EXISTING MAJOR CONTOUR LOC 36 EXISTING MINOR CONTOUR ■ —00, FLOW ARROW ro — LOC— LOC LIMITS OF CONSTRUCTION 1 VEHICLE TRACKING CONTROL ■ I I CW CONCRETE WASHOUT AREA ■ I J SEDIMENT CONTROL LOG SIF SF SILT FENCE O II ' CF CF CONSTRUCTION FENCE I --------- I 0 PORTABLE TOILET / ® IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING STABILIZED STAGING AREA ■ / I p Ili j SP STOCKPILE MANAGEMENT WATTLE DIKE m V I TRACT B � � I � I I� \ I I Q NOTE: ■ �� , / I 1 I I I ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE LrV4 W DETERMINED BY THE CONTRACTOR. , Z r w o NOTE: THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) c MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO c / I \ Please remove all THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO Z / / I \ r I references of the ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. O I / "Town of Windsor" NOTES: J from the ESC plan in 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W W the Utilit Plan set as COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN z Y APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE / well as in the SWMP LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO Z W 1 I CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. 0 0 Notes updated to 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS z \ I I match Cityof Fort OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. ■ \ REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET J Z iE�� I \ I I, Collins, Windsor FORTH IN THE LANDSCAPE PLANS. z I J references removed. 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. r 0 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 0 C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY O LJJ ■ a �� SITE CONDITIONS. m 0 un `J) 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE I CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING \ ,I 1 CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. I I ` 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. # Date Issue I Description Init. ■ ° A ° ° I \ �\ 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE 1 CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. _ 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — ° ' \ INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING ° ° \ ''� — I I II 1 \`\ DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. — v 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE ° ° c a \ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED d 36 I FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., _ v I d i I SEED/MULCH, LANDSCAPING, ETC.) ° ' 4935 I 1 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR - -�—� ° - - - - - �- - - Ag3s - - - - - - 49�5 - - - —- FOR VERIFICATION. — N \ - 1 \ v G 1 ° 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — 4935 a 1 \ \ INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH F ° d "\ a a SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF ■ �3' �\ + WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. — ° _--- - ° a \ REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR I \ \ AND/OR STORM WATER PERMIT HOLDER. 1 OO \ 1 0 \ l LCC \ 1 Project No: HFH000073.20 W I Drawn By: PGS U MATCHLINE-SEE SHEET C4.8 Checked By: JEP CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED FINAL EROSION CONTROL E BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 PLAN EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN o ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2I o W. ENGINEER PRIOR TO CONSTRUCTION. C CT I I before you dig. N 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S E RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING 0 UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C401 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 30 of 47 MA TCHLINE-SEE SHEET C4.5 . . . . .� . . I . ■ ■ . . . . ■ ■ E. . moons! ■ ■ . I ■ /\ 4935 I ° Gy an owa \ \ \ \ a• v T I, 5235 Ronald Reagan Blvd.,Suite 200 ° v Johnstown,CO 80534 a s 4 a : :a C 4. 9 C4. 1 0 970.800.3300 Gallowa US.corn y _ - G \ \ \ 10 G \ I COPYRIGHT \ \ \ \ \ \ EROSION CONTROL LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE \ I AND ARE THE PROPERTY OF GALLOWAY,AND MAY \ ` PROPOSED CURB AND GUTTER \\ \ \ �\ �p I ■ NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED \ �p \ \ \ . ------------------ PROPOSED RIGHT—OF—WAY WITHOUT THE WRITTEN CONSENT OF GALLOWAY. PROPOSED LOTUNE COPYRIGHTS AND D INFRINGEMENTS WILL BE u' A \ \ �. I �\ ----------------- EASEMENT LINE PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR —4835 — — — — EXISTING MAJOR CONTOUR --36 \ ` EXISTING MINOR CONTOUR � FLOW ARROW LOC— LOC LIMITS OF CONSTRUCTION VEHICLE TRACKING CONTROL CONCRETE WASHOUT AREA SEDIMENT CONTROL LOG SF SF SILT FENCE CF CF CONSTRUCTION FENCE \ v V A \ A PT PORTABLE TOILET ® IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING Seed and Mulching � � � � ��� � v \ � vv�� � v \ \ \ \ TRACT C ® SSA STABILIZED STAGING AREA need to be indicated �. \ \ �, \ `. � " on the Final Erosion \ \ \ \ SP STOCKPILE MANAGEMENT Plan \ \ \ �` \\ �,. •; \ \ \` \ W� WATTLE DIKE ROUGH CUT STREET CONTROL z Hatching provided. 00 NOTE: LOC �\ �A U ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATI SHALL BE `,-1 1 j ` DETERMINED BY THE CONTRACTOR. \ 1 NOTE: \ \ \ \ \ tUJI �� � , , � , Cn THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) c ,\ MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO c THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO \ \ \ \ 1 1 (W/) ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. NOTES: 0 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY W W COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN z \ \ \ \ \ \ \\ \ = APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE _ /w Please remove all LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z \ references of the CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. Q 0 "Town of Windsor° 2. EROSION CONTROL PRACTICES FOR SITE PROTECTION SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS V �- U from the ESC plan in OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. Z �/ C \ \ \ \ REVEGETATION METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET \ N the Utility Plan set as J Z � FORTH IN THE LANDSCAPE PLANS. Q well as in the SWMP U_ Z J \\ \ 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. C O � G Notes updated to _ 0 match City of Fort 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 0 J Windsor - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY 0 L U \ � Collins, SITE CONDITIONS.\\ \ \ \ ■ references removed. J 0 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE m V- \ \ \ \ CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING 1 \1 \ \ \ CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. # Date Issue I Description Init. \ 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. — 1 THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS — \ INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. \ \ \1 \ \ 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE \\ I 1 \ SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED — \ FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., — \ \ \ \ SEED/MULCH, LANDSCAPING, ETC.) _ SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR — \ 1 \1 FOR VERIFICATION. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB — 1 1 INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF \ WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR AND/OR STORM WATER PERMIT HOLDER. \ 1 \ \ \ 1 Project No: HFH000073.20 Drawn By: PGS \ ` Checked By: JEP J CAUTION - NOTICE TO CONTRACTOR Date: 07/15/2025 LOC 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED FINAL EROSION CONTROL —F — — 0- — F0 BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 \ E _ - - -F \ EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN PLAN s L ® APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, c ■ PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b e I O W. ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. o MULBERRY ST 0 20 40 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C401 SCALE: 1"=40' THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 31 of 47 MA TCHLINE—SEE SHEET C4.6 ■ ■ ■ ■ ■ ■ MEMIM ■ ■ MEMM ■ ■ MEMEN ■ ■ MEMM ■ ■ MEMM ■ ■ MEMM ■ ■ MEMIM ■ ■ IMENEE ■ ■ MEMM ■ ■ MEMM ■ ■ ■ ■ MWM M . ■ ■ � ■ ■ ' ■ ■ � ■ ■ � :% �� � Gan oway° ° \ �.• F< . v T =F 5235 Ronald Reagan Blvd.,Suite 200 A ° I v a. . \ 1 Johnstown,CO 80534 T. : . a. 1 36 _ �C4. 9 C 4. 10 970.800.3300 LGallowayUS.com �v 1° v d • c 4935 - - - - - - - - -F= NFL; v� 4935 f v v I Seed and Mulching A�;� �► 9 __ - - _ ° v \ need to be indicated O on the Final Erosion � 1 Plan 1 \ \ / ® r t�0 \ \ Added to plan � COPYRIGHT I \ " EROSION CONTROL LEGEND: THESE PLANS ARE AN INSTRUMENT OF SERVICE AND ARE THE PROPERTY OF GALLOWAY,AND MAY PROPOSED CURB AND GUTTER NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED • � � \' ------------------ PROPOSED RIGHT-OF-WAY WITHOUT THE WRITTEN CONSENT OF GALLOWAY. I r n COPYRIGHTS AND INFRINGEMENTS WILL BE ' W Imo_ 1 } \ v -----_ PROPOSED LOTLINE ENFORCED AND PROSECUTED. 1" ---------- EASEMENT LINE v O�� I - e - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - — — — — — — —�� \ \ PROPOSED MAJOR CONTOUR ' \ \ PROPOSED MINOR CONTOUR —4835 — — — - EXISTING MAJOR CONTOUR \ 1 ` 36 EXISTING MINOR CONTOUR / FLOW ARROW \ , 1 , — LOC— LCC LIMITS OF CONSTRUCTION v' VEHICLE TRACKING CONTROL ° `�� I TRACT D 32 \ 1y _\ \` CW CONCRETE WASHOUT AREA SEDIMENT CONTROL LOG SF SF SILT FENCE ' CF CF CONSTRUCTION FENCE i PT PORTABLE TOILET IP INLET PROTECTION OP OUTLET PROTECTION EE TEMPORARY SEEDING TRACT C STABILIZED STAGING AREA i SP STOCKPILE MANAGEMENT WATTLE DIKE V ♦ i \ \ ` \ / i `• - ' RCS ROUGH CUT STREET CONTROL z \ \ ♦ \ / \ NO J ALL BMPs SHOWN ARE GRAPHICAL IN NATURE. FINAL SIZE AND LOCATION SHALL BE DETERMINED BY THE CONTRACTOR. cD \\ \\ ♦ NOTE: W THE CONSTRUCTION STORMWATER PERMIT AND STORMWATER MANAGEMENT PLAN (SWMP) cc 01� , MUST BE COMPLETED, SUBMITTED TO THE TOWN OF WINDSOR, AND IMPLEMENTED PRIOR TO G \ v f 0 r ,' _ _ THE TIME THE PROJECT BREAKS GROUND, AND REVISED AS CONSTRUCTION PROCEEDS, TO ACCURATELY REFLECT THE CONDITIONS AND PRACTICES ON SITE. _ NOTES: �\ 1\ / / __ 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED BY THE APPROPRIATE UTILITY w w \ ♦ i =--- - COMPANY AND FIELD SURFACE EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN z APPROXIMATE LOCATION ONLY. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, PRIOR TO z W \' ; ti ♦ / r C _ , �� '�." _� CONSTRUCTION. REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO CONSTRUCTION. 0 2. EROSION CONTROL PRACTICES FOR SITE PROTEC11ON SHALL FOLLOW THE LOCAL ENTITIES REGULATIONS z U OR THOSE OF THE URBAN DRAINAGE FLOOD CONTROL DISTRICT VOLUME 3 WHICH EVER IS MORE STRICT. Cn N REVEGETAT10N METHODS SHALL FOLLOW THE LOCAL ENTITIES CURRENT REGULATIONS OR THOSE SET J z \\ \\ \ vo ° oRh ♦ /f j i \ FORTH IN THE LANDSCAPE PLANS. z J V H \\ \ W \ o / `♦ / � �� �\ 3. FOLLOW BMPs WITH EACH PHASE AND INSTALL EROSION CONTROL MEASURES AS REQUIRED. C C O o / C G \ ` ► \ `> ` �'� �' �� 4. FOR ADDITIONAL EROSION CONTROL NOTES SEE SHEET CO.1, SEE DETAILS ON SHEETS C4.1 \ ` \ .• \ \ ti� ♦ -`� ,' / \• - C4.12. ADDITIONAL EROSION CONTROL METHODS MAYBE FOUND IN UDFCD VOLUME AS REQUIRED BY 0 W SITE CONDITIONS. J 0 \ \ \\ \ �h '// ♦ r 5. IT SHOULD BE NOTED THAT ANY EROSION CONTROL PLAN SERVES ONLY AS A GUIDELINE TO THE m V- �� CONTRACTOR. STAGING AND/OR PHASING OF BEST MANAGEMENT PRACTICES (BMPs) IS EXPECTED. v \ \\ \ ♦ / / / / ` r =- I ADDITIONAL AND/OR DIFFERENT BMPs FROM THOSE ORIGINALLY DEPICTED MAY BE NECESSARY DURING \ o \ _ CONSTRUCTION DUE TO CHANGING SITE CONDITIONS OR AS REQUIRED BY LOCAL AUTHORITIES. \ \ / ♦ \ ` 6. THIS EROSION CONTROL PLAN IS SCHEMATIC IN NATURE. AS SUCH, GRAPHICAL SYMBOLS MAY NOT BE Please remove all TO SCALE, NOR ARE THEY NECESSARILY SHOWN IN THEIR EXACT LOCATION. �`� A � A \ �` • � '� v � '� i � i \ I I # Date Issue I Description Init. references of the 7. CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE EROSION CONTROL MEASURES ACCORDING TO THE - \ // \ / "Town of Windsor" CONSTRUCTION SEQUENCING AND LEVEL OF SITE STABILIZATION. ��� from the ESC Ian in — \ p 8. THE CONTRACTOR AND ALL SUBCONTRACTORS WILL COOPERATE WITH THE TOWN'S PUBLIC WORKS ° \ /' the Utility Plan set as INSPECTORS BY CEASING OPERATIONS WHEN WINDS ARE OF SUFFICIENT VELOCITY TO CREATE BLOWING - �1 J ` \ �1 / �� / / / ' ✓ \ U well as in the SWMP DUST WHICH, IN THE INSPECTOR'S OPINION, IS HAZARDOUS TO THE PUBLIC HEALTH AND WELFARE. - \ 9. FOLLOWING OVERLOT GRADING OR ANY OTHER LAND DISTURBING ACTIVITY, ALL OTHER AREAS OF THE - / / I Notes updated to SITE TO BE DEVELOPED DURING LATER PHASES OF CONSTRUCTION AND WHICH SHALL REMAIN EXPOSED FOR MORE THAN THIRTY-(30) DAYS WILL REQUIRE TEMPORARY OR PERMANENT EROSION CONTROL (I.E., - / match City of Fort / \ / A. / I I SEED/MULCH, LANDSCAPING, ETC.) - . • .' Collins, Windsor - - - - - - - - - - J \ �' ' I references removed. 10. SEED BAG TAGS MUST BE TURNED IN TO THE TOWN OF WINDSOR STORMWATER PROGRAM COORDINATOR - - - - - FOR VERIFICATION. a 01^ 1_ / ` ` ` ' - I I "� 11. ALL STORM INLET PROTECTION DEVICES, FOR EROSION AND SEDIMENT CONTROL MEASURES AT CURB ° INLETS IN CONSTRUCTION AREAS, SHALL BE MARKED WITH A TUBULAR REFLECTIVE MARKER, WHICH - j _ n SHALL MEET MUTCD REQUIREMENTS (MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES). THE TOWN OF i I / / � - _ _ _ _ _ _ _ WINDSOR WILL NOT BE RESPONSIBLE FOR ANY UNMARKED STORM INLET PROTECTION DEVICES THAT ARE II - - - - - - _ DAMAGED DURING SNOW AND ICE REMOVAL OPERATIONS CAUSING NON-COMPLIANCE. REPLACEMENT/REPAIR OF THESE CONTROL MEASURES WILL BE THE RESPONSIBILITY OF CONTRACTOR D/ R TOR WATER,PE IT OL ER. W \ 1 ��, / ✓ � �a /" — — — — — — — — — — — — — — — — — — — — C— — LOB BLOC >�., Project No: HFH000073.20 C / Drawn By: PGS __ ' W W 0 20 40 �_ -- —W Pi - v-- - 1N— Y JEP —V — Checked B s / - SCALE: 1`40' Date: 07/15/2025 — F�— Fo_ — — _ _ CAUTION NOTICE TO CONTRACTOR E 001 =00-1= 75 • �' / \ F� —rC FC' 1. ALL UTILITY LOCATIONS SHOWN ARE BASED ON MAPS PROVIDED FINAL EROSION CONTROL _ _ BY THE APPROPRIATE UTILITY COMPANY AND FIELD SURFACE 0 PLAN — C Fa EVIDENCE AT THE TIME OF SURVEY AND IS TO BE CONSIDERED AN TION T IS THE oo • - - - - - RESPONSIBILITY E APPROXIMATE TOA FIELD OVE IFYITHE LOCATION OF ALLUTILITIES, PUBLIC OR PRIVATE, WHETHER SHOWN ON THE PLANS OR NOT, - - - - - PRIOR TO CONSTRUCTION, REPORT ANY DISCREPANCIESTO THE Know what's b 2 l O W. r - W \ \ ENGINEER PRIOR TO CONSTRUCTION. C C1 I I before you dig. 2. WHERE A PROPOSED UTILITY CROSSES AN EXISTING UTILITY, IT IS THE CONTRACTOR'S a \ - RESPONSIBILITY TO FIELD VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF SUCH EXISTING E MULBERRY ST UTILITY, EITHER THROUGH POTHOLING OR ALTERNATIVE METHOD. REPORT INFORMATION TO C4012 THE ENGINEER PRIOR TO CONSTRUCTION. Sheet 32 of 47 This details section is not necessary as long as the Appendix C is part of the ESC Report However the ESC plan within the Utility Galloway Plan set does need the Plan Details. 5235 Ronald Reagan Blvd.,Suite 200 Johnstown,CO 80534 Leaving to keep the complete ec 970.800.3300 section GallowayUS.com Concrete Washout Area (CWA) MM-1 MM-1 Concrete Washout Area (CWA) Stockpile Management (SP) MM-2 MM-2 Stockpile Management (SM) CONCRETE WASHOUT A SIGN ,( Y CWA © A POLY LINER SA- E] `� 111 vV CWA MAINTENANCE NOTES MATERIALS STAGING IN ROADWAY MAINTENANCE NOTES O V 3:1 -4' MIN.` 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. ® 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. r MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS BERM MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS G \J POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE ORANGE SAFETY SOIL/LANDSCAPE POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE \O O EROSION, AND PERFORM NECESSARY MAINTENANCE. CONE EROSION, AND PERFORM NECESSARY MAINTENANCE. VEHICLE TRACKING MATERIAL 3:1 e X 8 MIN. 3 1 CONTROL (SEE 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN 0 VTC DETAIL) OR EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOEFFECTIVE OPERATING CONDITION, INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE OTHER STABLE DOCUMENTED THOROUGHLY. a m DOCUMENTED THOROUGHLY. w POLY TARPoa SURFACE m `O 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON TARP ANCHOR 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON `N DISCOVERY OF THE FAILURE. 6" PVC PIPE DISCOVERY OF THE FAILURE, 3:1 FOR DRAINAGE 1 4. THE CWA SHALL BE REPAIRED, CLEANED, OR ENLARGED S NECESSARY TO MAINTAIN IN FLOWLINE 4. INSPECT PVC PIPE ALONG CURB LINE FOR CLOGGING AND DEBRIS. REMOVE OBSTRUCTIONS BERM CAPACITY FOR CONCRETE WASTE. CONCRETE MATERIALS, ACCUMULATED IN PIT, SHALL BE ® PROMPTLY. COPYRIGHT 25 MIN. I REMOVED ONCE THE MATERIALS HAVE REACHED A DEPTH OF 2'. CURB LINE THESE PLANS ARE AN INSTRUMENT OF SERVICE r � 5. CLEAN MATERIAL FROM PAVED SURFACES BY SWEEPING OR VACUUMING. CONCRETE WASHOUT AREA PLAN 5. CONCRETE WASHOUT WATER, WASTED PIECES OF CONCRETE AND ALL OTHER DEBRIS AND ARE THE PROPERTY OF GALLOWAY,AND MAY N THE SUBSURFACE PIT SHALL BE TRANSPORTED FROM THE JOB SITE IN A WATER-TIGHT NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. NOT BE DUPLICATED,DISCLOSED,OR REPRODUCED 12 TYP. COMPACTED BERM AROUND CONTAINER AND DISPOSED OF PROPERLY. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN THE PERIMETER ROAD CL POLY TARP TARP ANCHOR (CINDER DIFFERENCES ARE NOTED. WITHOUT THE WRITTEN CONSENT OF GALLOWAY. >4 - 6. THE CWA SHALL REMAIN IN PLACE UNTIL ALL CONCRETE FOR THE PROJECT IS PLACED. I BLOCK, OR 5 GALLON I- 2% SLOPE BUCKET OF WATER) (DETAILS ADAPTED FROM AURORA COLORADO) COPYRIGHTS AND INFRINGEMENTS WILL BE 44 -' 7. WHEN THE CWA IS REMOVED, COVER THE DISTURBED AREA WITH TOP SOIL, SEED AND ROADWAY I ENFORCED AND PROSECUTED. 1� 13' MIN. �1 MULCH OR OTHERWISE STABILIZED IN A MANNER APPROVED BY THE LOCAL JURISDICTION. 6' MAX. POLY LINER UNDISTURBED OR� >3 1 >3 COMPACTED SOIL (DETAIL ADAPTED FROM DOUGLAS COUNTY,COLORADO AND THE CITY OF PARKER, COLORADO, NOT AVAILABLE IN AUTOCAD). BERM MATERIAL 8 X 8 MIN. VEHICLE TRACKING (TRIANGULAR SILT DIKE, 6"MIN. I CONTROL (SEE VTC NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETA LS. SEDIMENT CONTROL LOG, 6' MAX., HIN MUST NOT 6" PVC PIPE DETAIL ) CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN ROCK SOCK, OR OTHER BE LOCATED IT SECTION A DIFFERENCES ARE NOTED. WRAPPED MATERIAL) A DRIVE LANE CWA-1 . CONCRETE WASHOUT AREA SP-2. MATERIALS STAGING IN ROADWAY CWA INSTALLATION NOTES 1. SEE PLAN VIEW FOR: MATERIALS STAGING IN ROADWAYS INSTALLATION NOTES -CWA INSTALLATION LOCATION. 1. SEE PLAN VIEW FOR -LOCATION OF MATERIAL STAGING AREA(S). 2. DO NOT LOCATE AN UNLINED CWA WITHIN 400' OF ANY NATURAL DRAINAGE PATHWAY OR -CONTRACTOR MAY ADJUST LOCATION AND SIZE OF STAGING AREA WITH APPROVAL WATERBODY. DO NOT LOCATE WITHIN 1,000' OF ANY WELLS OR DRINKING WATER SOURCES. IF FROM THE LOCAL JURISDICTION. SITE CONSTRAINTS MAKE THIS INFEASIBLE, OR IF HIGHLY PERMEABLE SOILS EXIST ON SITE, THE CWA MUST BE INSTALLED WITH AN IMPERMEABLE LINER (16 MIL MIN. THICKNESS) OR 2. FEATURE MUST BE INSTALLED PRIOR TO EXCAVATION, EARTHWORK OR DELIVERY OF SURFACE STORAGE ALTERNATIVES USING PREFABRICATED CONCRETE WASHOUT DEVICES OR A MATERIALS. LINED ABOVE GROUND STORAGE ARE SHOULD BE USED. 3. MATERIALS MUST BE STATIONED ON THE POLY LINER. ANY INCIDENTAL MATERIALS 3. THE CWA SHALL BE INSTALLED PRIOR TO CONCRETE PLACEMENT ON SITE. DEPOSITED ON PAVED SECTION OR ALONG CURB LINE MUST BE CLEANED UP PROMPTLY. 4- CWA SHALL INCLUDE A FLAT SUBSURFACE PIT THAT IS AT LEAST 8' BY 8' SLOPES 4. POLY LINER AND TARP COVER SHOULD BE OF SIGNIFICANT THICKNESS TO PREVENT LEADING OUT OF THE SUBSURFACE PIT SHALL BE 3:1 OR FLATTER. THE PIT SHALL BE AT DAMAGE OR LOSS OF INTEGRITY. LEAST 3' DEEP. 5. SAND BAGS MAY BE SUBSTITUTED TO ANCHOR THE COVER TARP OR PROVIDE BERMING 5. BERM SURROUNDING SIDES AND BACK OF THE CWA SHALL HAVE MINIMUM HEIGHT OF 1'. UNDER THE BASE LINER. 6. VEHICLE TRACKING PAD SHALL BE SLOPED 2% TOWARDS THE CWA. 6. FEATURE IS NOT INTENDED FOR USE WITH WET MATERIAL THAT WILL BE DRAINING AND/OR SPREADING OUT ON THE POLY LINER OR FOR DEMOLITION MATERIALS. 7. SIGNS SHALL BE PLACED AT THE CONSTRUCTION ENTRANCE, AT THE CWA, AND ELSEWHERE AS NECESSARY TO CLEARLY INDICATE THE LOCATION OF THE CWA TO OPERATORS 7. THIS FEATURE CAN BE USED FOR: OF CONCRETE TRUCKS AND PUMP RIGS. -UTILITY REPAIRS. -WHEN OTHER STAGING LOCATIONS AND OPTIONS ARE LIMITED. 8. USE EXCAVATED MATERIAL FOR PERIMETER BERM CONSTRUCTION. -OTHER LIMITED APPLICATION AND SHORT DURATION STAGING. November 2010 Urban Drainage and Flood Control District CWA-3 CWA-4 Urban Drainage and Flood Control District November 2010 November 2010 Urban Drainage and Flood Control District SP-5 SP-6 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Urban Stonn Drainage Criteria Manual Volume 3 Urban Storni Drainage Criteria Manual Volume 3 Urban Storm Drainage Criteria Manual Volume 3 Z Q J Z W O Stabilized Staging Area (SSA) SM-6 SM-6 Stabilized Staging Area (SSA) Vehicle Tracking Control (VTC) SM-4 SM-4 Vehicle Tracking Control (VTC) W W SF/CF SF/CF Z W 0 0 n �ONSLTE C) SSA STABILIZED STAGING AREA MAINTENANCE NOTES *g_ ��� STABILIZED CONSTRUCTION ENTRANCE/EXIT INSTALLATION NOTES _ n CONSTRUCTION CONSTRUCTION = L.L C VEHICLE TRAILERS 5. STABILIZED STAGING AREA SHALL BE ENLARGED IF NECESSARY TO CONTAIN PARKING, 1. SEE PLAN VIEW FOR LL 7 P Z PARKING (1F• STORAGE, AND UNLOADING/LOADING OPERATIONS. -LOCATION OF CONSTRUCTION ENTRANCE(S)/EXIT(S). J NEEDED), 20 FOOT -TYPE OF CONSTRUCTION ENTRANCE(S)/EXITS(S) (WITH/WITHOUT WHEEL WASH, 6, THE STABILIZED STAGING AREA SHALL BE REMOVED AT THE END OF CONSTRUCTION THE (WIDTH CAN BE CONSTRUCTION MAT OR TRM). z _J CONSTRUCTION N U GRANULAR MATERIAL SHALL BE REMOVED OR, IF APPROVED BY THE LOCAL JURISDICTION, LESS IF CONTT. J SITE ACCESS \ j USED ON SITE, AND THE AREA COVERED WITH TOPSOIL, SEEDED AND MULCHED OR VEHICLES ARE O 2. CONSTRUCTION MAT OR TRM STABILIZED CONSTRUCTION ENTRANCES ARE ONLY TO BE C 1� n OTHERWISE STABILIZED IN A MANNER APPROVED BY LOCAL JURISDICTION. PHYSICALLY USED ON SHORT DURATION PROJECTS (TYPICALLY RANGING FROM A WEEK TO A MONTH) C U 3 CONFINED ON WHERE THERE WILL BE LIMITED VEHICULAR ACCESS.MIN. THICKNESS NOTE: MANY MUNICIPALITIES PROHIBIT THE USE OF RECYCLED CONCRETE AS GRANULAR BOTH SIDES) MATERIAL GRANULAR MATERIAL MATERIAL FOR STABILIZED STAGING AREAS DUE TO DIFFICULTIES WITH RE-ESTABLISHMENT OF SIDEWALK OR OTHER 50 FOOT MIN. 3. A STABILIZED CONSTRUCTION ENTRANCE/EXIT SHALL BE LOCATED AT ALL ACCESS POINTS O J STABILIZED I STORAGE VEGETATION IN AREAS WHERE RECYCLED CONCRETE WAS PLACED. (MIN.) AREA a PAVED SURFACE WHERE VEHICLES ACCESS THE CONSTRUCTION SITE FROM PAVED RIGHT-OF-WAYS. O W CONSTRUCTION " ENTRANCE (SEE v NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. J CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN 4. STABILIZED CONSTRUCTION ENTRANCE/EXIT SHALL BE INSTALLED PRIOR TO ANY LAND 0 DETAILS VTC-1 x DIFFERENCES ARE NOTED. 7 7 DISTURBING ACTIVITIES. m TO VTC-3) SILT FENCE OR CONSTRUCTION 5. A NON-WOVEN GEOTEXTILE FABRIC SHALL BE PLACED UNDER THE STABILIZED SF/CF SF/CF FENCING AS NEEDED (DETAILS ADAPTED FROM DOUGLAS COUNTY, COLORADO, NOT AVAILABLE IN AUTOCAD) 7" Y7 Y 7 .p r CONSTRUCTION ENTRANCE/EXIT PRIOR TO THE PLACEMENT OF ROCK. j -r- - -s- - � 6. UNLESS OTHERWISE SPECIFIED BY LOCAL JURISDICTION, ROCK SHALL CONSIST OF DOT EXISTING ROADWAY 9" (MIN.) SECT. #703, AASHTO #3 COARSE AGGREGATE OR 6" (MINUS) ROCK. SSA-1 . STABILIZED STAGING AREA STABILIZED CONSTRUCTION ENTRANCE/EXIT MAINTENANCE NOTES STABILIZED STAGING AREA INSTALLATION NOTES �S' P � 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. # Date Issue I Description Init. 1- SEE PLAN VIEW FOR PUBLIC UNLESS OTHERWISE SPECIFIED MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON S -LOCATION OF STAGING AREA(S). ROADWAY BY LOCAL JURISDICTION, USE POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE -CONTRACTOR MAY ADJUST LOCATION AND SIZE OF STAGING AREA WITH APPROVAL CDOT SECT. #703. AASHTO #3 EROSION, AND PERFORM NECESSARY MAINTENANCE. FROM THE LOCAL JURISDICTION. COARSE AGGREGATE OR 6" - • MINUS ROCK 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN 2. STABILIZED STAGING AREA SHOULD BE APPROPRIATE FOR THE NEEDS OF THE SITE. EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE OVERSIZING RESULTS IN A LARGER AREA TO STABILIZE FOLLOWING CONSTRUCTION. NON-WOVEN GEOTEXTILE FABRIC DOCUMENTED THOROUGHLY. BETWEEN SOIL AND ROCK 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON 3. STAGING AREA SHALL BE STABILIZED PRIOR TO OTHER OPERATIONS ON THE SITE. DISCOVERY OF THE FAILURE. 4. THE STABILIZED STAGING AREA SHALL CONSIST OF A MINIMUM 3" THICK GRANULAR MATERIAL. UNLESS OTHERWISE SPECIFIED BY LOCAL 4. ROCK SHALL BE REAPPLIED OR REGRADED AS NECESSARY TO THE STABILIZED INSTALL ROCK FLUSH WITH JURISDICTION, USE CDOT SECT. #703, AASHTO ENTRANCE/EXIT TO MAINTAIN A CONSISTENT DEPTH. 5. UNLESS OTHERWISE SPECIFIED BY LOCAL JURISDICTION, ROCK SHALL CONSIST OF DOT OR BELOW TOP OF PAVEMENT #3 COARSE AGGREGATE DAY SECT. #703, AASHTO #3 COARSE AGGREGATE OR 6" (MINUS) ROCK. OR 6" MINUS ROCK -1 AT (MIN.) AT THEE5. I MENT END OFF THEDDAOY NTO BY PAVESHOVDELINGDOR SWEEEPNG.IS TO BEESEDMDENT MOAYG NOT TBEHWASHED AND 6. ADDITIONAL PERIMETER BMPs MAY BE REQUIRED INCLUDING BUT NOT LIMITED TO SILT : 1 f -i,_T-1 �`�� DOWN STORM SEWER DRAINS. FENCE AND CONSTRUCTION FENCING. T NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. I CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN STABILIZED STAGING AREA MAINTENANCE NOTES NON-WOVEN GEOTEXTILE DIFFERENCES ARE NOTED. 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. FABRIC (DETAILS ADAPTED FROM CITY OF BROOMFIELD, COLORADO. NOT AVAILABLE IN AUTOCAD) MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS COMPACTED SUBGRADE POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE SECTION A EROSION, AND PERFORM NECESSARY MAINTENANCE. m 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. = 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON o DISCOVERY OF THE FAILURE. VTC-1 . AGGREGATE VEHICLE TRACKING CONTROL 4. ROCK SHALL BE REAPPLIED OR REGRADED AS NECESSARY IF RUTTING OCCURS OR UNDERLYING SUBGRADE BECOMES EXPOSED. Project No: HFH000073.20 0 w U� Drawn By: FIGS November 2010 Urban Drainage and Flood Control District SSA-3 SSA-4 Urban Drainage and Flood Control District November 2010 November 2010 Urban Drainage and Flood Control District VTC-3 VTC-6 Urban Drainage and Flood Control District November 2010 Checked By: JEP Urban Storm Drainage Criteria Manual Volume 3 Urban Storm Drainage Criteria Manual Volume 3 Urban Storm Drainage Criteria Manual Volume 3 Urban Storn1 Drainage Criteria Manual Volume 3 s Date: 07/15/2025 U EROSION CONTROL U DETAILS E 0 m LL S U 0 O U NC4013 E 0 o Sheet 33 of 47 Sediment Basin GI Tributary Area Required (Ac) Volume(CF) 11.00 39600 Prismoidal Method POND ELEV AREA VOLUME VOLUMES„m VOLUMES.. DESIGN ft2 (ft3 ft3 (Ac-ft) 4928.00 7,700.0 0 0 0.00 4929.00 8,700.0 8,195 8,195 0.19 4930.00 9,900.0 9,294 17,488 0.40 4931.00 11,200.0 10,543 28,032 0.64 4932.00 12,500.0 11,844 39,876 0.92 C7 a E �o Sediment Basin H Tributary Area Required (Ac) Volume(CF) 10.70 38520 Prismoidal Method POND ELEV AREA VOLUME VOLUMES„m VOLUMES.. DESIGN ft2 (ft3 ft3 (Ac-ft) 4924.00 7,600.0 0 0 0.00 4925.00 8,600.0 8,095 8,095 0.19 4926.00 9,800.0 9,193 17,288 0.40 4927.00 11,000.0 10,394 27,683 0.64 4928.00 12,000.0 11,496 39,179 0.90 x c Sediment Basin J Tributary Area Required (Ac) Volume(CF) 6.90 24840 Prismoidal Method POND ELEV AREA VOLUME VOLUMES„m VOLUMES.. DESIGN ft2 (ft3 ft3 (Ac-ft) 4925.00 4,500.0 0 0 0.00 4926.00 5,600.0 5,040 5,040 0.12 4927.00 6,700.0 6,142 11,182 0.26 4928.00 7,700.0 7,194 18,376 0.42 4929.00 8,700.0 8,195 26,571 0.61 c a c �o Appendix C — Training Documentation Galloway&Company, Inc. Page 31 of 33 Silt Fence (SF) SC-1 Description I 1 _ A silt fence is a woven geotextile fabric attached to wooden posts and trenched ;' f into the ground. It is designed as a sediment barrier to intercept sheet flow runoff from disturbed areas. Appropriate Uses - - A silt fence can be used where runoff is conveyed from a disturbed area as sheet flow. Silt fence is not designed to receive concentrated flow or to be used as a filter fabric. Typical uses include: ■ Down slope of a disturbed area to accept sheet flow. Photograph SF-1. Silt fence creates a sediment barrier,forcing sheet flow runoff to evaporate or infiltrate. ■ Along the perimeter of a receiving water such as a stream,pond or wetland. ■ At the perimeter of a construction site. Design and Installation Silt fence should be installed along the contour of slopes so that it intercepts sheet flow. The maximum recommended tributary drainage area per 100 lineal feet of silt fence,installed along the contour, is approximately 0.25 acres with a disturbed slope length of up to 150 feet and a tributary slope gradient no steeper than 3:1. Longer and steeper slopes require additional measures. This recommendation only applies to silt fence installed along the contour. Silt fence installed for other uses, such as perimeter control, should be installed in a way that will not produce concentrated flows. For example,a"J-hook" installation may be appropriate to force runoff to pond and evaporate or infiltrate in multiple areas rather than concentrate and cause erosive conditions parallel to the silt fence. See Detail SF-1 for proper silt fence installation,which involves proper trenching, staking, securing the fabric to the stakes,and backfilling the silt fence. Properly installed silt fence should not be easily pulled out by hand and there should be no gaps between the ground and the fabric. Silt fence must meet the minimum allowable strength requirements, depth of installation requirement,and other specifications in the design details. Improper installation of silt fence is a common reason for silt fence failure; however, Silt Fence when properly installed and used for the appropriate purposes, it can be highly effective. Functions Erosion Control No Sediment Control Yes Site/Material Management No November 2010 Urban Drainage and Flood Control District SF-1 Urban Storm Drainage Criteria Manual Volume 3 SC-1 Silt Fence (SF) Maintenance and Removal ..� —'joft.�• Inspection of silt fence includes observing the material for tears or holes and checking for slumping fence and undercut areas bypassing flows. Repair of silt fence typically involves replacing the damaged section with a new section. Sediment accumulated behind silt fence should be removed, as needed to maintain BMP effectiveness,typically before it reaches a depth of 6 inches. _ Silt fence may be removed when the upstream area has reached final stabilization. Photograph SF-2. When silt fence is not installed along the contour,a"J-hook"installation may be appropriate to ensure that the BMP does not create concentrated flow parallel to the silt fence. Photo courtesy of Tom Gore. SF-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Silt Fence (SF) SC-1 - vv 5F SF -SF C rr J I (RECOMMENDED) WOODEN FENCE POST WITH 10' MAX SPACING SILT FENCE GEOTEXTILE A COMPACTED BACKFILL FEW 38"-48" TYP. EXISTING GROUND 6" MIN 18" AT LEAST 10" MIN OF SILT FENCE "TAIL" SHALL BE 4" MIN BURIED SILT FENCE POSTS SHALL OVERLAP AT JOINTS SO THAT NO GAPS JOIN EXIST IN SILT FENCE . FIRST ROTATE SECOND POSTS SHALL BE JOINED AS SHOWN, THEN ROTATED 180 DEC. THICKNESS OF GEOTEXTILE HAS _ IN DIRECTION SHOWN AND DRIVEN BEEN EXAGGERATED, TYP INTO THE GROUND SECTION A SF-1 . SILT FENCE November 2010 Urban Drainage and Flood Control District SF-3 Urban Storm Drainage Criteria Manual Volume 3 SC-1 Silt Fence (SF) SILT FENCE INSTALLATION NOTES 1. SILT FENCE MUST BE PLACED AWAY FROM THE TOE OF THE SLOPE TO ALLOW FOR WATER PONDING. SILT FENCE AT THE TOE OF A SLOPE SHOULD BE INSTALLED IN A FLAT LOCATION AT LEAST SEVERAL FEET (2-5 Fr) FROM THE TOE OF THE SLOPE TO ALLOW ROOM FOR PONDING AND DEPOSITION. 2. A UNIFORM 6" X 4" ANCHOR TRENCH SHALL BE EXCAVATED USING TRENCHER OR SILT FENCE INSTALLATION DEVICE. NO ROAD GRADERS, BACKHOES, OR SIMILAR EQUIPMENT SHALL BE USED. 3. COMPACT ANCHOR TRENCH BY HAND WITH A "JUMPING JACK" OR BY WHEEL ROLLING. COMPACTION SHALL BE SUCH THAT SILT FENCE RESISTS BEING PULLED OUT OF ANCHOR TRENCH BY HAND. 4. SILT FENCE SHALL BE PULLED TIGHT AS IT IS ANCHORED TO THE STAKES. THERE SHOULD BE NO NOTICEABLE SAG BETWEEN STAKES AFTER IT HAS BEEN ANCHORED TO THE STAKES. 5. SILT FENCE FABRIC SHALL BE ANCHORED TO THE STAKES USING 1" HEAVY DUTY STAPLES OR NAILS WITH I" HEADS. STAPLES AND NAILS SHOULD BE PLACED 3" ALONG THE FABRIC DOWN THE STAKE. 6. AT THE END OF A RUN OF SILT FENCE ALONG A CONTOUR, THE SILT FENCE SHOULD BE TURNED PERPENDICULAR TO THE CONTOUR TO CREATE A "J—HOOK." THE "J—HOOK" EXTENDING PERPENDICULAR TO THE CONTOUR SHOULD BE OF SUFFICIENT LENGTH TO KEEP RUNOFF FROM FLOWING AROUND THE END OF THE SILT FENCE (TYPICALLY 10' — 20'). 7. SILT FENCE SHALL BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTIVITIES. SILT FENCE MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. SEDIMENT ACCUMULATED UPSTREAM OF THE SILT FENCE SHALL BE REMOVED AS NEEDED TO MAINTAIN THE FUNCTIONALITY OF THE BMP, TYPICALLY WHEN DEPTH OF ACCUMULATED SEDIMENTS IS APPROXIMATELY 6". 5. REPAIR OR REPLACE SILT FENCE WHEN THERE ARE SIGNS OF WEAR, SUCH AS SAGGING, TEARING, OR COLLAPSE. 6. SILT FENCE IS TO REMAIN IN PLACE UNTIL THE UPSTREAM DISTURBED AREA IS STABILIZED AND APPROVED BY THE LOCAL JURISDICTION, OR IS REPLACED BY AN EQUIVALENT PERIMETER SEDIMENT CONTROL BMP. 7. WHEN SILT FENCE IS REMOVED, ALL DISTURBED AREAS SHALL BE COVERED WITH TOPSOIL, SEEDED AND MULCHED OR OTHERWISE STABILIZED AS APPROVED BY LOCAL JURISDICTION. (DETAIL ADAPTED FROM TOWN OF PARKER, COLORADO AND CITY OF AURORA, NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. SF-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Construction Fence (CF) SM-3 Description A construction fence restricts site access - to designated entrances and exits, delineates construction site boundaries, and keeps construction out of sensitive areas such as natural areas to be preserved as open space,wetlands and riparian areas. Appropriate Uses A construction fence can be used to delineate the site perimeter and locations within the site where access is restricted to protect natural resources such as Photograph CF-1. A construction fence helps delineate areas where existing vegetation is being protected. Photo courtesy of Douglas wetlands,waterbodies,trees, and other County. natural areas of the site that should not be disturbed. If natural resource protection is an objective,then the construction fencing should be used in combination with other perimeter control BMPs such as silt fence,sediment control logs or similar measures. Design and Installation Construction fencing may be chain link or plastic mesh and should be installed following manufacturer's recommendations. See Detail CF-I for typical installations. Do not place construction fencing in areas within work limits of machinery. Maintenance and Removal ■ Inspect fences for damage; repair or replace as necessary. ■ Fencing should be tight and any areas with slumping or fallen posts should be reinstalled. ■ Fencing should be removed once construction is complete. Construction Fence Functions Erosion Control No Sediment Control No Site/Material Management Yes November 2010 Urban Drainage and Flood Control District CF-I Urban Storm Drainage Criteria Manual Volume 3 SM-3 Construction Fence (CF) CF-Cf -CF PLASTIC CAP, TYP. CC F STUDDED STEEL TEE POST ORANGE RESINET 5' MIN. CONSTRUCTION FENCE EXISTING OR APPROVED EQUAL GRADE V MIN. 10' MAX SPACING -4- 7- I TTi 44+ STUDDED STEEL 7- TEE POST 4' MIN. CF-1 . PLASTIC MESH CONSTRUCTION FENCE CONSTRUCTION FENCE INSTALLATION NOTES 1. SEE PLAN VIEW FOR: -LOCATION OF CONSTRUCTION FENCE. 2. CONSTRUCTION FENCE SHOWN SHALL BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTIVITIES. 3. CONSTRUCTION FENCE SHALL BE COMPOSED OF ORANGE. CONTRACTOR-GRADE MATERIAL THAT IS AT LEAST 4' HIGH. METAL POSTS SHOULD HAVE A PLASTIC CAP FOR SAFETY. 4. STUDDED STEEL TEE POSTS SHALL BE UTILIZED TO SUPPORT THE CONSTRUCTION FENCE. MAXIMUM SPACING FOR STEEL TEE POSTS SHALL BE 10'. 5. CONSTRUCTION FENCE SHALL BE SECURELY FASTENED TO THE TOP, MIDDLE, AND BOTTOM OF EACH POST. CF-2 Urban Drainage and Flood Control District November2010 Urban Storm Drainage Criteria Manual Volume 3 Construction Fence (CF) SM-3 CONSTRUCTION FENCE MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREOUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. CONSTRUCTION FENCE SHALL BE REPAIRED OR REPLACED WHEN THERE ARE SIGNS OF DAMAGE SUCH AS RIPS OR SAGS. CONSTRUCTION FENCE IS TO REMAIN IN PLACE UNTIL THE UPSTREAM DISTURBED AREA IS STABILIZED AND APPROVED BY THE LOCAL JURISDICTION. 5. WHEN CONSTRUCTION FENCES ARE REMOVED, ALL DISTURBED AREAS ASSOCIATED WITH THE INSTALLATION. MAINTENANCE, AND/OR REMOVAL OF THE FENCE SHALL BE COVERED WITH TOPSOIL. SEEDED AND MULCHED, OR OTHERWISE STABILIZED AS APPROVED BY LOCAL JURISDICTION. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (DETAIL ADAPTED FROM TOWN OF PARKER. COLORADO. NOT AVNLABLE IN AUTOCAD) November 2010 Urban Drainage and Flood Control District CF-3 Urban Storm Drainage Criteria Manual Volume 3 Good Housekeeping Practices (GH) MM-3 Description Implement construction site good housekeeping practices to prevent pollution associated with solid, liquid and hazardous construction-related materials and wastes. Stormwater Management Plans (SWMPs) should clearly specify BMPs including these good housekeeping practices: ■ Provide for waste management. ■ Establish proper building material staging areas. ■ Designate paint and concrete washout areas. ■ Establish proper equipment/vehicle fueling and maintenance practices. ■ Control equipment/vehicle washing and allowable non- stormwater discharges. ■ Develop a spill prevention and response plan. Acknowledgement: This Fact Sheet is based directly on EPA guidance provided in Developing Your Stormwater Photographs GH-1 and GH-2. Proper materials Pollution Prevent Plan(EPA 2007). storage and secondary containment for fuel tanks are important good housekeeping practices. Photos Appropriate Uses courtesy of CDOT and City of Aurora. Good housekeeping practices are necessary at all construction sites. Design and Installation The following principles and actions should be addressed in SWMPs: ■ Provide for Waste Management. Implement management procedures and practices to prevent or reduce the exposure and transport of pollutants in stormwater from solid,liquid and sanitary wastes that will be generated at the site. Practices such as trash disposal,recycling,proper material handling, and cleanup measures can reduce the potential for stormwater runoff to pick up construction site wastes and discharge them to surface waters. Implement a comprehensive set of waste-management practices for hazardous or toxic materials, such as paints, solvents,petroleum products,pesticides, wood preservatives, acids,roofing tar, and other materials. Practices should include storage, handling, inventory,and cleanup procedures, in case of spills. Specific practices that should be considered include: Solid or Construction Waste Good Housekeeping o Designate trash and bulk waste-collection areas on- Functions site. Erosion Control No Sediment Control No Site/Material Management Yes November 2010 Urban Drainage and Flood Control District GH-1 Urban Storm Drainage Criteria Manual Volume 3 MM-3 Good Housekeeping Practices (GH) o Recycle materials whenever possible(e.g.,paper,wood, concrete, oil). o Segregate and provide proper disposal options for hazardous material wastes. o Clean up litter and debris from the construction site daily. o Locate waste-collection areas away from streets,gutters,watercourses, and storm drains. Waste- collection areas(dumpsters, and such) are often best located near construction site entrances to minimize traffic on disturbed soils. Consider secondary containment around waste collection areas to minimize the likelihood of contaminated discharges. o Empty waste containers before they are full and overflowing. Sanitary and Septic Waste o Provide convenient,well-maintained, and properly located toilet facilities on-site. o Locate toilet facilities away from storm drain inlets and waterways to prevent accidental spills and contamination of stormwater. o Maintain clean restroorn facilities and empty portable toilets regularly. o Where possible,provide secondary containment pans under portable toilets. o Provide tie-downs or stake-downs for portable toilets. o Educate employees, subcontractors,and suppliers on locations of facilities. o Treat or dispose of sanitary and septic waste in accordance with state or local regulations. Do not discharge or bury wastewater at the construction site. o Inspect facilities for leaks. If found,repair or replace immediately. o Special care is necessary during maintenance(pump out)to ensure that waste and/or biocide are not spilled on the ground. Hazardous Materials and Wastes o Develop and implement employee and subcontractor education, as needed, on hazardous and toxic waste handling, storage, disposal, and cleanup. o Designate hazardous waste-collection areas on-site. o Place all hazardous and toxic material wastes in secondary containment. Photograph GH-3. Locate portable toilet facilities on level surfaces away from waterways and storm drains. Photo courtesy of W WE. GH-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Good Housekeeping Practices (GH) MM-3 o Hazardous waste containers should be inspected to ensure that all containers are labeled properly and that no leaks are present. ■ Establish Proper Building Material Handling and Staging Areas. The SWAP should include comprehensive handling and management procedures for building materials,especially those that are hazardous or toxic. Paints, solvents,pesticides,fuels and oils, other hazardous materials or building materials that have the potential to contaminate stormwater should be stored indoors or under cover whenever possible or in areas with secondary containment. Secondary containment measures prevent a spill from spreading across the site and may include dikes,berms, curbing, or other containment methods. Secondary containment techniques should also ensure the protection of groundwater. Designate staging areas for activities such as fueling vehicles,mixing paints,plaster,mortar,and other potential pollutants. Designated staging areas enable easier monitoring of the use of materials and clean up of spills. Training employees and subcontractors is essential to the success of this pollution prevention principle. Consider the following specific materials handling and staging practices: o Train employees and subcontractors in proper handling and storage practices. o Clearly designate site areas for staging and storage with signs and on construction drawings. Staging areas should be located in areas central to the construction site. Segment the staging area into sub-areas designated for vehicles, equipment, or stockpiles. Construction entrances and exits should be clearly marked so that delivery vehicles enter/exit through stabilized areas with vehicle tracking controls(See Vehicle Tracking Control Fact Sheet). o Provide storage in accordance with Spill Protection, Control and Countermeasures(SPCA requirements and plans and provide cover and impermeable perimeter control, as necessary, for hazardous materials and contaminated soils that must be stored on site. o Ensure that storage containers are regularly inspected for leaks, corrosion, support or foundation failure,or other signs of deterioration and tested for soundness. o Reuse and recycle construction materials when possible. ■ Designate Concrete Washout Areas. Concrete contractors should be encouraged to use the washout facilities at their own plants or dispatch facilities when feasible;however, concrete washout commonly occurs on construction sites. If it is necessary to provide for concrete washout areas on- site, designate specific washout areas and design facilities to handle anticipated washout water. Washout areas should also be provided for paint and stucco operations. Because washout areas can be a source of pollutants from leaks or spills, care must be taken with regard to their placement and proper use. See the Concrete Washout Area Fact Sheet for detailed guidance. Both self-constructed and prefabricated washout containers can fill up quickly when concrete,paint, and stucco work are occurring on large portions of the site. Be sure to check for evidence that contractors are using the washout areas and not dumping materials onto the ground or into drainage facilities. If the washout areas are not being used regularly,consider posting additional signage, relocating the facilities to more convenient locations,or providing training to workers and contractors. When concrete,paint, or stucco is part of the construction process, consider these practices which will help prevent contamination of stormwater. Include the locations of these areas and the maintenance and inspection procedures in the SWMP. November 2010 Urban Drainage and Flood Control District GH-3 Urban Storm Drainage Criteria Manual Volume 3 MM-3 Good Housekeeping Practices (GH) o Do not washout concrete trucks or equipment into storm drains, streets, gutters,uncontained areas, or streams. Only use designated washout areas. o Establish washout areas and advertise their locations with signs. Ensure that signage remains in good repair. o Provide adequate containment for the amount of wash water that will be used. o Inspect washout structures daily to detect leaks or tears and to identify when materials need to be removed. o Dispose of materials properly. The preferred method is to allow the water to evaporate and to recycle the hardened concrete. Full service companies may provide dewatering services and should dispose of wastewater properly. Concrete wash water can be highly polluted. It should not be discharged to any surface water, storm sewer system, or allowed to infiltrate into the ground in the vicinity of waterbodies. Washwater should not be discharged to a sanitary sewer system without first receiving written permission from the system operator. ■ Establish Proper Equipment/Vehicle Fueling and Maintenance Practices. Create a clearly designated on-site fueling and maintenance area that is clean and dry. The on-site fueling area should have a spill kit,and staff should know how to use it. If possible, conduct vehicle fueling and maintenance activities in a covered area. Consider the following practices to help prevent the discharge of pollutants to stormwater from equipment/vehicle fueling and maintenance. Include the locations of designated fueling and maintenance areas and inspection and maintenance procedures in the SWMP. o Train employees and subcontractors in proper fueling procedures(stay with vehicles during fueling,proper use of pumps, emergency shutoff valves, etc.). o Inspect on-site vehicles and equipment regularly for leaks, equipment damage, and other service problems. o Clearly designate vehicle/equipment service areas away from drainage facilities and watercourses to prevent stormwater run-on and runoff. o Use drip pans,drip cloths,or absorbent pads when replacing spent fluids. o Collect all spent fluids, store in appropriate labeled containers in the proper storage areas, and recycle fluids whenever possible. ■ Control Equipment/Vehicle Washing and Allowable Non-Stormwater Discharges. Implement practices to prevent contamination of surface and groundwater from equipment and vehicle wash water. Representative practices include: o Educate employees and subcontractors on proper washing procedures. o Use off-site washing facilities,when available. o Clearly mark the washing areas and inform workers that all washing must occur in this area. o Contain wash water and treat it using BMPs. Infiltrate washwater when possible,but maintain separation from drainage paths and waterbodies. GH-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Good Housekeeping Practices (GH) MM-3 o Use high-pressure water spray at vehicle washing facilities without detergents. Water alone can remove most dirt adequately. o Do not conduct other activities, such as vehicle repairs,in the wash area. o Include the location of the washing facilities and the inspection and maintenance procedures in the SWMP. ■ Develop a Spill Prevention and Response Plan. Spill prevention and response procedures must be identified in the SWMP. Representative procedures include identifying ways to reduce the chance of spills, stop the source of spills,contain and clean up spills, dispose of materials contaminated by spills, and train personnel responsible for spill prevention and response. The plan should also specify material handling procedures and storage requirements and ensure that clear and concise spill cleanup procedures are provided and posted for areas in which spills may potentially occur. When developing a spill prevention plan, include the following: o Note the locations of chemical storage areas, storm drains,tributary drainage areas, surface waterbodies on or near the site, and measures to stop spills from leaving the site. o Provide proper handling and safety procedures for each type of waste. Keep Material Safety Data Sheets(MSDSs)for chemical used on site with the SWMP. o Establish an education program for employees and subcontractors on the potential hazards to humans and the environment from spills and leaks. o Specify how to notify appropriate authorities, such as police and fire departments,hospitals, or municipal sewage treatment facilities to request assistance. Emergency procedures and contact numbers should be provided in the SWMP and posted at storage locations. o Describe the procedures, equipment and materials for immediate cleanup of spills and proper disposal. o Identify personnel responsible for implementing the plan in the event of a spill. Update the spill prevention plan and clean up materials as changes occur to the types of chemicals stored and used at the facility. November 2010 Urban Drainage and Flood Control District GH-5 Urban Storm Drainage Criteria Manual Volume 3 MM-3 Good Housekeeping Practices (GH) Spill Prevention, Control,and Countermeasure(SPCC)Plan Construction sites may be subject to 40 CFR Part 112 regulations that require the preparation and implementation of a SPCC Plan to prevent oil spills from aboveground and underground storage tanks. The facility is subject to this rule if it is a non-transportation-related facility that: ■ Has a total storage capacity greater than 1,320 gallons or a completely buried storage capacity greater than 42,000 gallons. ■ Could reasonably be expected to discharge oil in quantities that may be harmful to navigable waters of the United States and adjoining shorelines. Furthermore, if the facility is subject to 40 CFR Part 112,the SWMP should reference the SPCC Plan. To find out more about SPCC Plans, see EPA's website on SPPC at www.epa. og v/oilspill/spcc.htm. Reporting Oil Spills In the event of an oil spill,contact the National Response Center toll free at 1-800-424- 8802 for assistance, or for more details,visit their website: www.nrc.uscg.mil. Maintenance and Removal Effective implementation of good housekeeping practices is dependent on clear designation of personnel responsible for supervising and implementing good housekeeping programs, such as site cleanup and disposal of trash and debris,hazardous material management and disposal,vehicle and equipment maintenance, and other practices. Emergency response "drills" may aid in emergency preparedness. Checklists may be helpful in good housekeeping efforts. Staging and storage areas require permanent stabilization when the areas are no longer being used for construction-related activities. Construction-related materials,debris and waste must be removed from the construction site once construction is complete. Design Details See the following Fact Sheets for related Design Details: MM-1 Concrete Washout Area MM-2 Stockpile Management SM-4 Vehicle Tracking Control Design details are not necessary for other good housekeeping practices;however,be sure to designate where specific practices will occur on the appropriate construction drawings. GH-6 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Sediment Control Log (SCL) SC-2 Description A sediment control log is a linear roll made of natural materials such as ; straw, coconut fiber, or compost. The most common type of sediment control log has straw filling and is often referred to as a"straw wattle." All sediment control logs are used as a - `- sediment barrier to intercept sheet flowr- runoff from disturbed areas. ry� =-� Appropriate Uses Sediment control logs can be used in the following applications to trap sediment: y ■ As perimeter control for stockpiles and the site. ■ As part of inlet protection designs. ■ As check dams in small drainage ditches. (Sediment control logs are not intended for use in channels with high flow velocities.) Photographs SCL-1 and SCL-2. Sediment control logs used as 1)a perimeter control around a soil stockpile;and,2)as a'J-hook" ■ On disturbed slopes to shorten flow perimeter control at the corner of a construction site. lengths(as an erosion control). ■ As part of multi-layered perimeter control along a receiving water such as a stream,pond or wetland. Sediment control logs work well in combination with other layers of erosion and sediment controls. Design and Installation Sediment control logs should be installed along the contour to avoid concentrating flows. The maximum allowable tributary drainage area per 100 lineal feet of sediment control log, installed along the contour,is approximately 0.25 acres with a disturbed slope length of up to 150 feet and a tributary slope gradient no steeper than 3:1.Longer and steeper slopes require additional measures. This recommendation only applies to sediment control logs installed along the contour. When installed for other uses, such as perimeter control, it should be installed in a way that will not produce concentrated flows. For example, a"J-hook" Sediment Control Lo installation may be appropriate to force runoff to pond and Functions evaporate or infiltrate in multiple areas rather than concentrate Erosion Control Moderate and cause erosive conditions parallel to the BMP. Sediment Control Yes Site/Material Management No November 2015 Urban Drainage and Flood Control District SCL-1 Urban Storm Drainage Criteria Manual Volume 3 SC-2 Sediment Control Log (SCL) Although sediment control logs initially allow runoff to flow through the BMP,they can quickly become a barrier and should be installed as if they are impermeable. Design details and notes for sediment control logs are provided in the following details. Sediment logs must be properly installed per the detail to prevent undercutting,bypassing and displacement. When installed on slopes, sediment control logs should be installed along the contours(i.e.,perpendicular to flow). Improper installation can lead to poor performance. Be sure that sediment control logs are properly trenched(if lighter than 8 lb/foot), anchored and tightly jointed. Maintenance and Removal Be aware that sediment control logs will eventually degrade. Remove accumulated sediment before the depth is one-half the height of the sediment log and repair damage to the sediment log,typically by replacing the damaged section. Once the upstream area is stabilized,remove and properly dispose of the logs. Areas disturbed beneath the logs may need to be seeded and mulched. Sediment control logs that are biodegradable may occasionally be left in place(e.g.,when logs are used in conjunction with erosion control blankets as permanent slope breaks). However,removal of sediment control logs after final stabilization is typically appropriate when used in perimeter control, inlet protection and check dam applications. Compost from compost sediment control logs may be spread over the area and seeded as long as this does not cover newly established vegetation. SCL-2 Urban Drainage and Flood Control District November 2015 Urban Storm Drainage Criteria Manual Volume 3 Sediment Control Log (SCL) SC-2 SCL— A L ;:-TAKE .01 ::',,WiETF,, --E R EN ---.',N-T::tOL L!)---, 'E'`,,.TEE," "-TYP --[A* TO E!; E F L C. jF LA;� T, E E- -E "E', U; 111:--E,,,�ALK r�;R CIF ;',HEN A '.ENT T!-'- THE--.E FFAT:-:':E', TRENCHED SEDIMENT CONTROL LOG, ......... iE:-JE:,: STAKE I.N.' Lt:-,; 9': OIAMETE;4 TPP-4r.-H iC-1L ---------- SECTION TRENCHED SEDIMENT CONTROL LOG ,'LA- 6, 'EN 9" :%1AYETEP :�,AIN') LOG JOINTS S,Q,L- I TRENCHED SEDIMENT CONTROL LOG November 2015 Urban Drainage and Flood Control District SCL-3 Urban Storm Drainage Criteria Manual Volume 3 SC-2 Sediment Control Log (SCL) I N: STA K E �rT :"-IA.METE:i ,7 SEDIMENT Da.NT;q(-;L U!", -THII N- OETAIL 11; KIM 'i ------ E -,KITH 530-I.-JENT St C .1*7-R-','L THAT 6 LH Fr -x R-Ele-'ALIe 1,1� i3.W,'K ZIF -XHEN ENT T','> THE.7E FEAT..:;:E . COMPOST SEDIMENT CONTROL LOG (WEIGHTED) STAKE IN CONTRC,L L',G. SE; -0' 1 LN.?!-Lr%i Eft FILTD AA FL-hp SECTION rA) C 0 t F 0': T S-E 1--A E r%IT LOG ....E*,; 5-TA K E !AA.',IErE; V I N HEIVENT L0*111, LOG jOINTS SCL-2. COMPOST SEDIMENT CONTROL LOG ',-A'EI(-,'HTED') SCL-4 Urban Drainage and Flood Control District November 2015 Urban Storm Drainage Criteria Manual Volume 3 Sediment Control Log (SCL) SC-2 I' M.Ax R'.-R' TKENCHB Q VAX FOR. WEPENNINO. A"N AWE AT PERIMETER OF SCL-1-5. SEDIMENT CONTROL LO US TO C0NTfROL SLOPE LENGTH November 2015 Urban Drainage and Flood Control District SCL-5 Urban Storm Drainage Criteria Manual Volume 3 SC-2 Sediment Control Log (SCL) SEDIMENT CONTROL OL LOG INSTALLATION NOTES I- SEE PLAN 'VIEW FOR LOCATION AND LENGTH OF SEDIMENT CO-TROL LOGS. 2. SEDIMENT CONTROL LOGS THAT ACT AS A PERIMETER CONITROL SHALL UE INSTALLED PRIOR TO ANY UPGRA-EAEN'T LAND—DISTURBING ACTIVITIES_ SEDIMENT COINT'r�DL LOGIS SHALL CONSIST OF STKAW, COMPOST. EXCELSIOR OR COCONUT FIBER. AND SHALL LIE FREE OF ANY NOXIOUS WEEO SEEDS FOR DEFECTS INCLUDING HIPS, HOLES AND 08VI OUS VVEAR. a, SEL)IMENT CONTROL LO'GS MAY BE USED A�.= SMALL CHECK LAMS IN DIT'k HES AN-) SWALES', HOWEVER, THEY SHOULD NOT BE USED IN PERENNIAL STREAMS. IT IS RECOMMENDED THAT SEDIMENT CONTROL LOO'S BE TRENCHED INTG THE OR0 ND Tv A DE='TH OF aFPRuxIMATELYr� OF THE LilAr.ETER OF THE LOC. IF T=REtitiHI'v0 TO THIS DEPTH IS NOT FEASIBLE AND/OR DESIRA-BLE (--HORT TERM INSTALLATION WITH ^ESIRE NOT TO DAMAGE LANDSCA?E) A LESSER TRENCHING :DEPTH ?JIAY BE ACCEPTABLE 741TH MORE RGBIJST STAKING. COMPOST LOGS THAT ARE -8 LEA/FT DO NOT NEED TO BE TRENCHED_ 6. THE :1PHILL SIDE OF THE SEDIMENT CONTROL LOG SHALL BE BAC:KFILLEO WITH SOIL OR FILTER MATERIAL THAT IS FREE OF RUNCKS AND DEBRIS. THE SOIL SHALL BE TIGHTLY COMPACTED IN'TO THE SHAPE OF A RIGHT TRIANGLE USING A SHO'iEL OR Y:EIGHTEL? LkAW ROLLER OR BLOWN IN PLACE. 7. FOLLV,v IMANUFAC:TORERS' CUKDAAICE FOR STAKING. IF :lANi:FAICTUREIRS' 114 STR i("T110INS O, NOT SPECIFY SPACING, STAKES SHALL .3E PLA-CE[: ON 4' CENTERS ANTJ EMBEDDED A `~!Ir<RMUM OF 6" INTO THE GROUND. 3" OF THE STAKE SHALL PROTRtnZ E FROM THE T1O:-1 OF THE LOC. STAKES THAT ARE BR4)KEN PRIOR TO INSTALLATION SHALL E E REPLACED. COMPOST LO:;., SHOT LD BE STAKED 10' ON CENTER. HIAMENT C` N-12 1- LOG MAINTENANCE NOTES 1. INSPECT l3MPs EACH WORKDAY, ANi? +.!AINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTEN.ANC'E OF B10PS SHOULD SE .11ROACTIVE, NOT REACTIVE INSPECT E1d?S AS SOON AS POSSIBLE (AND ALWAYS AITHIN 24 HOU,RS) FOLLGr'ING A STORM THAT CAUSES SURFACE EROSION. .AND I-ERFORM NECESSARY MAINTENANCE. 2. FREQ-WENT OBSERVATION"S AND MAINTENANCE ARE N-ECESSARY TO MAINTAIN 8MPs. IN EFFECTIVE 'CIPERATING CONEDITION. INSPECTION'S AND CORREC"TIVE `Y!EkS�RES SHOUL1.1 HE ;;(0"MENTE3 THOROUGHLY. 3_ 'WHERE BMP. HAVE FAILED, REPAIR OR REPLACEMENT SHOULD, BE INITIATED OPEN DIS-COVERY 7F THE FA.IL•.iRE. 4. SEDIMENT ACCUMULATED L=i'rTREAM OF SECIMENT CONTROL LOG SHALL BE REMOVED AS NEE 'EO TO MAINTAIN FUNCTIONALITY ',IF THE ? P, TfPICALLY I HEA DEPTH OF ACC;jM;JL:+TE SEDIMENTS IS APPROXIMATELY )z OF THE HEIGHT OF THE SEDI-MENT CONTROL LOG. SEDIMENT CONTROL LUG SHALL BE REMOVED ,AT THE END OF CONSTRUCTION.CO(�POST FROM COMPOST LOGS NEAP BE LEFT IN PLACE AS LCNG AS BAG:; ARE REMOVED AND THE AREA. SEEDED. IF D IST:iRREG AREAS EXIST AFTER REMOVAL, THEY SHALL 9E COVERED 'NITH TOP SC:IL, SEEDED AN!" MULCHED, OR +THE?'dJISE STABILIZE[: IN A MANkER APPROVE() HY THE LOCAL JURISDICTION. (DETAILS ADA"�TE^ FROM TOWN OF 'PARKER. CALCRAD10, -EFFERSON CO.,_NTY, COLGR42U, GCsGLAS CGU Y, COLORADO, AN() uITY of A:,'-RORA, coL)RA90, nr,T AvAILAPLE IN wv1TG1,7.Ap) ACTE: MANY _URISDICTIONS HN:VE 8MP DETAILS THAT VARY F:�OM DFCD STANDARD DETAILS. CONS( LT WITH LOCAL ,iU RISDICTIONS AS TO :'.'HIGH :DETAIL SHOULD BE IJSEC/ '10HEN', DIFFERENCES ARE NOTE"). SCL-6 Urban Drainage and Flood Control District November 2015 Urban Storm Drainage Criteria Manual Volume 3 Vehicle Tracking Control (VTC) SM-4 Description F. Vehicle tracking controls provide •� _ stabilized construction site access where ` vehicles exit the site onto paved public roads. An effective vehicle tracking control helps remove sediment(mud or dirt)from vehicles,reducing tracking onto the paved surface. Appropriate Uses s Implement a stabilized construction s entrance or vehicle tracking control where Photograph VTC-1. A vehicle tracking control pad constructed with frequent heavy vehicle traffic exits the properly sized rock reduces off-site sediment tracking. construction site onto a paved roadway. An effective vehicle tracking control is particularly important during the following conditions: ■ Wet weather periods when mud is easily tracked off site. ■ During dry weather periods where dust is a concern. ■ When poorly drained,clayey soils are present on site. Although wheel washes are not required in designs of vehicle tracking controls,they may be needed at particularly muddy sites. Design and Installation Construct the vehicle tracking control on a level surface. Where feasible, grade the tracking control towards the construction site to reduce off-site runoff. Place signage,as needed,to direct construction vehicles to the designated exit through the vehicle tracking control. There are several different types of stabilized construction entrances including: VTC-1. Aggregate Vehicle Tracking Control. This is a coarse-aggregate surfaced pad underlain by a geotextile. This is the most common vehicle tracking control, and when properly maintained can be effective at removing sediment from vehicle tires. VTC-2. Vehicle Tracking Control with Construction Mat or Turf Reinforcement Mat. This type of control may be appropriate for site access at very small construction sites with low traffic volume over vegetated areas. Although this application does not typically remove sediment from vehicles,it helps protect existing vegetation and provides a stabilized entrance. Vehicle Tracking Control Functions Erosion Control Moderate Sediment Control Yes Site/Material Management Yes November 2010 Urban Drainage and Flood Control District VTC-1 Urban Storm Drainage Criteria Manual Volume 3 SM-4 Vehicle Tracking Control (VTC) VTC-3. Stabilized Construction Entrance/Exit with Wheel Wash. This is an aggregate pad, similar to VTC-1,but includes equipment for tire washing. The wheel wash equipment may be as simple as hand-held power washing equipment to more advance proprietary systems. When a wheel wash is provided, it is important to direct wash water to a sediment trap prior to discharge from the site. Vehicle tracking controls are sometimes installed in combination with a sediment trap to treat runoff. Maintenance and Removal Inspect the area for degradation and replace aggregate or material used for a stabilized entrance/exit as needed. If the area becomes clogged and ponds water, N remove and dispose of excess sediment or replace material with a fresh layer of aggregate as necessary. With aggregate vehicle tracking controls, ensure rock and debris from this area do not enter the public right-of-way. Remove sediment that is tracked onto the , public right of way daily or more frequently as needed. Excess sediment in the roadway indicates that the stabilized construction entrance needs maintenance. Photograph VTC-2. A vehicle tracking control pad with wheel wash facility. Photo courtesy of Tom Gore. Ensure that drainage ditches at the entrance/exit area remain clear. A stabilized entrance should be removed only when there is no longer the potential for vehicle tracking to occur. This is typically after the site has been stabilized. When wheel wash equipment is used,be sure that the wash water is discharged to a sediment trap prior to discharge. Also inspect channels conveying the water from the wash area to the sediment trap and stabilize areas that may be eroding. When a construction entrance/exit is removed, excess sediment from the aggregate should be removed and disposed of appropriately. The entrance should be promptly stabilized with a permanent surface following removal,typically by paving. VTC-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Vehicle Tracking Control (VTC) SM-4 VTC 20 FOOT (WIDTH CAN BE LESS IF CONST. VEHICLES ARE PHYSICALLY CONFINED ON BOTH SIDES) SIDEWALK OR OTHER 50 FOOT (MIN.) PAVED SURFACE i.14?'�.vC:w:�?`'.• 4!• l�'-r<':'hfCvc.\'t'_<.'`:. . �;,i�p.y, �..�'�•^>sG':i�>�,- �-' r- �;�z., .ter-' �`'-,•t•(•1``�,��s"�.,'•'�'_''7.r"�.a�' �=,i.`,t Ott fi�;a•.c`,�.•` j..'`,.`�'• ./,'•, 'C:•- :\''�S- 3�e`xi=..�a vr`:�-L'4'='\...\'.`.r• .`yi`::-"C�'Y'k-�-i.� .�, f wr=A ;R:�• T„•. �", U odp"r ^.-'+"d+<*'v- rtr7r. L 9" (MIN.) .5 �-1'�Y!�s`^! .y.;;L.r�^� •art;• �.•< 'rr`,.';��• y!+.yn:fit';:cam.. PUBLIC `:•,�; " UNLESS OTHERWISE SPECIFIED ROADWAY BY LOCAL JURISDICTION, USE CDOT SECT. #703, AASHTO #3 COARSE AGGREGATE OR 6" MINUS ROCK NON—WOVEN GEOTEXTILE FABRIC BETWEEN SOIL AND ROCK UNLESS OTHERWISE SPECIFIED BY LOCAL INSTALL ROCK FLUSH WITH JURISDICTION, USE CDOT SECT. #703, AASHTO OR BELOW TOP OF PAVEMENT #3 COARSE AGGREGATE OR 6" MINUS ROCK } 9" (MIN.) NON—WOVEN GEOTEXTILE FABRIC COMPACTED SUBGRADE SECTION A VTC-1 . AGGREGATE VEHICLE TRACKING CONTROL November 2010 Urban Drainage and Flood Control District VTC-3 Urban Storm Drainage Criteria Manual Volume 3 SM-4 Vehicle Tracking Control (VTC) TC TA: w w DITCH TO CARRY WASH WATER TO SEDIMENT TRAP OR BASIN i PUBLIC '�,�:' �.• v:.�'<•�, ROADWAY _ '�:�cy>}:�+'fit'a•�+��.+5�:'°ca. �^ NOTE: WASH WATER I � MAY NOT CONTAIN CHEMICALS OR SOAPS •°' , ` : WITHOUT OBTAINING ��. � ..{ A SEPARATE PERMIT WASH RACK �• �-i 67' MIN. REINFORCED CONCRETE RACK (MAY SUBSTITUTE STEEL - 7 DRAIN SPACE GUARD FOR CONCRETE: RACK) SECTION A VTC-2. AGGREGATE VEHICLE TRACKING CONTROL WITH WASH RACK VTC-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Vehicle Tracking Control (VTC) SM-4 VTC/ VTC/ s CM TR DISTURBED AREA, CONSTRUCTION SITE. STABILIZED STORAGE AREA 10% MAX, OR STAGING AREA O O O EXISTING ' MIN PAVED CONSTRUCTION MATS, WOVEN OR TRM ROADWAY 50' MIN 18" MlN OQ SPIKES OR c� STAKES ,LO�\Q�\�,���i. TRM END OVERLAP WITH &J�'a`��o SPIKES OR STAKES 3 QQO"f A& CONSTRUCTION MATS, WOVEN OR TURF REINFORCEMENT STRAP MAT (TRM) CONNECTORS CONSTRUCTION MAT END 0< RESTRICT CONST. VEHICLE OVERLAP INTERLOCK WITH ACCESS TO SIDES OF MAT STRAP CONNECTORS a X X w 20' OR AS REQUIRED TO ACCOMMODATE ANTICIPATED TRAFFIC (WIDTH CAN BE LESS IF CONST. VEHICLES ARE PHYSICALLY CONFINED ON BOTH SIDES) VTC-3. VEHICLE TRACKING CONTROL W/ CONSTRUCTION MAT OR TURF REINFORCEMENT MAT (TRM) November 2010 Urban Drainage and Flood Control District VTC-5 Urban Storm Drainage Criteria Manual Volume 3 SM-4 Vehicle Tracking Control (VTC) STABILIZED CONSTRUCTION ENTRANCE-/EXIT INSTALLATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF CONSTRUCTION ENTRANCES)/EXIT(S). —TYPE OF CONSTRUCTION ENTRANC£(S)/EXITS(S) (WITH/WITHOUT WHEEL WASH, CONSTRUCTION MAT OR TRM). 2. CONSTRUCTION MAT OR TRM STABILIZED CONSTRUCTION ENTRANCES ARE ONLY TO BE USED ON SHORT DURATION PROJECTS (TYPICALLY RANGING FROM A WEEK TO A MONTH) WHERE THERE WILL BE LIMITED VEHICULAR ACCESS. 3. A STABILIZED CONSTRUCTION ENTRANCE/EXIT SHALL BE LOCATED AT ALL ACCESS POINTS WHERE VEHICLES ACCESS THE CONSTRUCTION SITE FROM PAVED RIGHT—OF—WAYS. 4. STABILIZED CONSTRUCTION ENTRANCE/EXIT SHALL BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTIVITIES. 5. A NON—WOVEN GEOTEXTILE FABRIC SHALL BE PLACED UNDER THE STABILIZED CONSTRUCTION ENTRANCE/EXIT PRIOR TO THE PLACEMENT OF ROCK. 6. UNLESS OTHERWISE SPECIFIED BY LOCAL JURISDICTION, ROCK SHALL CONSIST OF DOT SECT. #703, AASHTO #3 COARSE AGGREGATE OR 6" (MINUS) ROCK. STABILIZED CONSTRUCTION ENTRANCE/EXIT MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. ROCK SHALL BE REAPPLIED OR REGRADED AS NECESSARY TO THE STABILIZED ENTRANCE/EXIT TO MAINTAIN A CONSISTENT DEPTH. 5. SEDIMENT TRACKED ONTO PAVED ROADS IS TO BE REMOVED THROUGHOUT THE DAY AND AT THE END OF THE DAY BY SHOVELING OR SWEEPING, SEDIMENT MAY NOT BE WASHED DOWN STORM SEWER DRAINS. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS, CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (DETAILS ADAPTEO FROM CITY OF BROOMFIELD. COLORADO. NOT AVAILABLE IN AUTOCAD) VTC-6 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Inlet Protection (IP) SC-6 Description Inlet protection consists of permeable _ �^�` «•-�""" '--:�- -,._._�„ barriers installed around an inlet to ¢ �. filter runoff and remove sediment prior to entering a storm drain inlet. Inlet protection can be constructed from rock socks,sediment control logs, silt fence, block and rock socks, or other materials approved by the local jurisdiction. Area inlets can also be protected by over-excavating around the inlet to form a sediment trap. Appropriate Uses Install protection at storm sewer inlets that are operable during construction. Photograph IP-1. Inlet protection for a curb opening inlet. Consider the potential for tracked-out sediment or temporary stockpile areas to contribute sediment to inlets when determining which inlets must be protected. This may include inlets in the general proximity of the construction area,not limited to downgradient inlets. Inlet protection is not a stand-alone BMP and should be used in conjunction with other upgradient BMPs. Design and Installation To function effectively,inlet protection measures must be installed to ensure that flows do not bypass the inlet protection and enter the storm drain without treatment. However,designs must also enable the inlet to function without completely blocking flows into the inlet in a manner that causes localized flooding. When selecting the type of inlet protection,consider factors such as type of inlet(e.g., curb or area, sump or on-grade conditions),traffic, anticipated flows,ability to secure the BMP properly, safety and other site-specific conditions. For example,block and rock socks will be better suited to a curb and gutter along a roadway, as opposed to silt fence or sediment control logs,which cannot be properly secured in a curb and gutter setting,but are effective area inlet protection measures. Several inlet protection designs are provided in the Design Details. Additionally,a variety of proprietary products are available for inlet protection that may be approved for use by local governments. If proprietary products are used, design details and installation procedures from the manufacturer must be followed. Regardless of the type of inlet protection selected,inlet protection is most effective when combined with other BMPs such as curb socks and check dams. Inlet protection is often the last barrier before runoff enters the storm sewer or receiving water. Design details with notes are provided for these forms of inlet Inlet Protection protection: (various forms) Functions IP-1. Block and Rock Sock Inlet Protection for Sump or On-grade Erosion Control No Inlets Sediment Control Yes IP-2. Curb (Rock) Socks Upstream of Inlet Protection, On-grade Site/Material Management No Inlets August 2013 Urban Drainage and Flood Control District IP-1 Urban Storm Drainage Criteria Manual Volume 3 SC-6 Inlet Protection (IP) IP-3. Rock Sock Inlet Protection for Sump/Area Inlet IP-4. Silt Fence Inlet Protection for Sump/Area Inlet IP-5. Over-excavation Inlet Protection IP-6. Straw Bale Inlet Protection for Sump/Area Inlet CIP-1. Culvert Inlet Protection Propriety inlet protection devices should be installed in accordance with manufacturer specifications. More information is provided below on selecting inlet protection for sump and on-grade locations. Inlets Located in a Sump When applying inlet protection in sump conditions, it is important that the inlet continue to function during larger runoff events. For curb inlets,the maximum height of the protective barrier should be lower than the top of the curb opening to allow overflow into the inlet during larger storms without excessive localized flooding. If the inlet protection height is greater than the curb elevation,particularly if the filter becomes clogged with sediment,runoff will not enter the inlet and may bypass it,possibly causing localized flooding,public safety issues, and downstream erosion and damage from bypassed flows. Area inlets located in a sump setting can be protected through the use of silt fence,concrete block and rock socks(on paved surfaces), sediment control logs/straw wattles embedded in the adjacent soil and stacked around the area inlet(on pervious surfaces), over-excavation around the inlet, and proprietary products providing equivalent functions. Inlets Located on a Slope For curb and gutter inlets on paved sloping streets,block and rock sock inlet protection is recommended in conjunction with curb socks in the gutter leading to the inlet. For inlets located along unpaved roads, also see the Check Dam Fact Sheet. Maintenance and Removal Inspect inlet protection frequently. Inspection and maintenance guidance includes: ■ Inspect for tears that can result in sediment directly entering the inlet, as well as result in the contents of the BMP(e.g.,gravel)washing into the inlet. ■ Check for improper installation resulting in untreated flows bypassing the BMP and directly entering the inlet or bypassing to an unprotected downstream inlet. For example, silt fence that has not been properly trenched around the inlet can result in flows under the silt fence and directly into the inlet. ■ Look for displaced BMPs that are no longer protecting the inlet. Displacement may occur following larger storm events that wash away or reposition the inlet protection. Traffic or equipment may also crush or displace the BMP. ■ Monitor sediment accumulation upgradient of the inlet protection. IP-2 Urban Drainage and Flood Control District August 2013 Urban Storm Drainage Criteria Manual Volume 3 Inlet Protection (IP) SC-6 ■ Remove sediment accumulation from the area upstream of the inlet protection,as needed to maintain BMP effectiveness,typically when it reaches no more than half the storage capacity of the inlet protection. For silt fence,remove sediment when it accumulates to a depth of no more than 6 inches. Remove sediment accumulation from the area upstream of the inlet protection as needed to maintain the functionality of the BMP. ■ Propriety inlet protection devices should be inspected and maintained in accordance with manufacturer specifications. If proprietary inlet insert devices are used, sediment should be removed in a timely manner to prevent devices from breaking and spilling sediment into the storm drain. Inlet protection must be removed and properly disposed of when the drainage area for the inlet has reached final stabilization. August 2013 Urban Drainage and Flood Control District IP-3 Urban Storm Drainage Criteria Manual Volume 3 SC-6 Inlet Protection (IP) I A SEE ROCK SOCK DESIGN ROCK DETAIL FOR JOINTING ROCK SOCKS 16" CINDER 16" CINDER SOCKS BLOCKS BLOCKS -r. FLOW �-. 0 f 2"x4" WOOD STUD' MIN. CURB INLET 2"x4" WOOD - SECTION A - STUD IP- 1 . BLOCK AND ROCK SOCK SUMP OR ON GRADE INLET PROTECTION BLOCK AND CURB SOCK INLET PROTECTION INSTALLATION NOTES 1. SEE ROCK SOCK DESIGN DETAIL FOR INSTALLATION REQUIREMENTS. 2. CONCRETE "CINDER" BLOCKS SHALL BE LAID ON THEIR SIDES AROUND THE INLET IN A SINGLE ROW, ABUTTING ONE ANOTHER WITH THE OPEN END FACING AWAY FROM THE CURB. 3. GRAVEL BAGS SHALL BE PLACED AROUND CONCRETE BLOCKS, CLOSELY ABUTTING ONE ANOTHER AND JOINTED TOGETHER IN ACCORDANCE WITH ROCK SOCK DESIGN DETAIL. MINIMUM OF TWO CURB SOCKS APPROX 30 DEG. BLOCK AND ROCK SOCK INLET PROTECTION(SEE DETAIL IP-1) CURB SOCK FLOW 5' MIN '-5- TV. IP-2. CURB ROCK SOCKS UPSTREAM OF INLET PROTECTION CURB ROCK SOCK INLET PROTECTION INSTALLATION NOTES 1. SEE ROCK SOCK DESIGN DETAIL INSTALLATION REQUIREMENTS. 2. PLACEMENT OF THE SOCK SHALL BE APPROXIMATELY 30 DEGREES FROM PERPENDICULAR IN THE OPPOSITE DIRECTION OF FLOW. 3. SOCKS ARE TO BE FLUSH WITH THE CURB AND SPACED A MINIMUM OF 5 FEET APART. 4. AT LEAST TWO CURB SOCKS IN SERIES ARE REQUIRED UPSTREAM OF ON-GRADE INLETS. IP-4 Urban Drainage and Flood Control District August 2013 Urban Storm Drainage Criteria Manual Volume 3 Inlet Protection (IP) SC-6 ? , ._Yi.�' r» ice INLET GRATE 1 P t ,. -y y� �> .!r: ZL 1'9 `vim; : SEE ROCK SOCK DETAIL v FOR JOINTING ROCK SOCK . �,'3=.Rig-y�.. —... IP--3. ROCK SOCK SUMP/AREA INLET PROTECTION ROCK SOCK SUMP/AREA INLET PROTECTION INSTALLATION NOTES 1. SEE ROCK SOCK DESIGN DETAIL FOR INSTALLATION REQUIREMENTS. 2. STRAW WATTLES/SEDIMENT CONTROL LOGS MAY BE USED IN PLACE OF ROCK SOCKS FOR INLETS IN PERVIOUS AREAS. INSTALL PER SEDIMENT CONTROL LOG DETAIL. INLET GRATE SF SILT FENCE (SEE SILT LLjjFENCE DESIGN DETAIL ) IP-4. SILT FENCE FOR SUMP INLET PROTECTION SILT FENCE INLET PROTECTION INSTALLATION NOTES 1. SEE SILT FENCE DESIGN DETAIL FOR INSTALLATION REQUIREMENTS. 2. POSTS SHALL BE PLACED AT EACH CORNER OF THE INLET AND AROUND THE EDGES AT A MAXIMUM SPACING OF 3 FEET. 3. STRAW WATTLES/SEDIMENT CONTROL LOGS MAY BE USED IN PLACE OF SILT FENCE FOR INLETS IN PERVIOUS AREAS. INSTALL PER SEDIMENT CONTROL LOG DETAIL. August 2013 Urban Drainage and Flood Control District IP-5 Urban Storm Drainage Criteria Manual Volume 3 SC-6 Inlet Protection (IP) SILT FENCE AREA � INLET SHEET I SILT FLOW FEN EC CE 2:1 MAX 51�—j >3 r2' MIN — AREA MAX ECB INLET ¢ ROCK F[LFER L� CONCENTRATED FLOW OR ROCK SOCK (USE IF FLOW IS CONCENTRATED) IP-5. OVEREXCAVATION INLET PROTECTION OV£REXCAVATION INLET PROTECTION INSTALLATION NOTES 1. THIS FORM OF INLET PROTECTION IS PRIMARILY APPLICABLE FOR SITES THAT HAVE NOT YET REACHED FINAL GRADE AND SHOULD BE USED ONLY FOR INLETS WITH A RELATIVELY SMALL CONTRIBUTING DRAINAGE AREA. 2. WHEN USING FOR CONCENTRATED FLOWS, SHAPE 13ASIN IN 2:1 RATIO WITH LENGTH ORIENTED TOWARDS DIRECTION OF FLOW. 3. SEDIMENT MUST BE PERIODICALLY REMOVED FROM THE OVEREXCAVATED AREA. o e o INLET GRATE e e o a STRAW SALE (SEE STRAW o 0 BALE DESIGN DETAIL) e e e IP-6. STRAW BALE FOR SUMP INLET PROTECTION STRAW BALE BARRIER INLET PROTECTION INSTALLATION NOTES 1. SEE STRAW BALE DESIGN DETAIL FOR INSTALLATION REQUIREMENTS. 2. BALES SHALL BE PLACED IN A SINGLE ROW AROUND THE INLET WITH ENDS OF BALES TIGHTLY ABUTTING ONE ANOTHER. IP-6 Urban Drainage and Flood Control District August 2013 Urban Storm Drainage Criteria Manual Volume 3 Inlet Protection (IP) SC-6 � C 1 P L ?' FLOW --- B 0 {12" MfN.)� CULVERT END SECTION a BACKFILL UPSTREAM ROCK ... ROCK SOCK OF WATTLE SOCK 9 CULVERT INLET PROTECTION SECTION A PLAN ��--jfll) MIN. KEY IN ROCK SOCK 0" ON BEDROCK, PAVEMENT OR RIPRAP KEY IN ROCK SOCK 2" ON EARTH SECTION B CIP-1 . CULVERT INLET PROTECTION CULVERT INLET PROTECTION INSTALLATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF CULVERT INLET PROTECTION. 2. SEE ROCK SOCK DESIGN DETAIL FOR ROCK GRADATION REQUIREMENTS AND JOINTING DETAIL. CULVERT INLET PROTECTION MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3 WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. SEDIMENT ACCUMULATED UPSTREAM OF THE CULVERT SHALL BE REMOVED WHEN THE SEDIMENT DEPTH IS Y2 THE HEIGHT OF THE ROCK SOCK. 5. CULVERT INLET PROTECTION SHALL REMAIN IN PLACE UNTIL THE UPSTREAM DISTURBED AREA IS PERMANENTLY STABILIZED AND APPROVED BY THE LOCAL JURISDICTION. (DETAJLS ADAPTED FROM AURORA, COLORADO, NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. August 2013 Urban Drainage and Flood Control District IP-7 Urban Storm Drainage Criteria Manual Volume 3 SC-6 Inlet Protection (IP) GENERAL INLET PROTECTION INSTALLATION NOTES 1. SEE PLAN VIEW FOR: —LOCATION OF INLET PROTECTION. —TYPE OF INLET PROTECTION (IP.1. IP.2. IP,3, IP,4, IP.5. IP.6) 2. INLET PROTECTION SHALL BE INSTALLED PROMPTLY AFTER INLET CONSTRUCTION OR PAVING IS COMPLETE (TYPICALLY WITHIN 48 HOURS). IF A RAINFALL/RUNOFF EVENT IS FORECAST, INSTALL INLET PROTECTION PRIOR TO ONSET OF EVENT. 3. MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. INLET PROTECTION MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSS19LE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. SEDIMENT ACCUMULATED UPSTREAM OF INLET PROTECTION SHALL BE REMOVED AS NECESSARY TO MAINTAIN BMP EFFECTIVENESS, TYPICALLY WHEN STORAGE VOLUME REACHES 50% OF CAPACITY, A DEPTH OF 6" WHEN SILT FENCE IS USED, OR Ys OF THE HEIGHT FOR STRAW BALES. 5_ INLET PROTECTION IS TO REMAIN IN PLACE UNTIL THE UPSTREAM DISTURBED AREA IS PERMANENTLY STABILIZED, UNLESS THE LOCAL JURISDICTION APPROVES EARLIER REMOVAL OF INLET PROTECTION IN STREETS. 6. WHEN INLET PROTECTION AT AREA INLETS IS REMOVED, THE DISTURBED AREA SHALL BE COVERED WITH TOP SOIL, SEEDED AND MULCHED, OR OTHERWISE STABILIZED IN A MANNER APPROVED BY THE LOCAL JURISDICTION. (DETAIL ADAPTED FROM TOWN OF PARKER, COLORADO AND CITY Of AURORA, COLORADO. NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. NOTE: THE DETAILS INCLUDED WITH THIS FACT SHEET SHOW COMMONLY USED, CONVENTIONAL METHODS OF INLET PROTECTION IN THE DENVER METROPOLITAN AREA. THERE ARE MANY PROPRIETARY INLET PROTECTION METHODS ON THE MARKET. UDFCD NEITHER ENDORSES NOR DISCOURAGES USE OF PROPRIETARY INLET PROTECTION; HOWEVER, IN THE EVENT PROPRIETARY METHODS ARE USED, THE APPROPRIATE DETAIL FROM THE MANUFACTURER MUST BE INCLUDED IN THE SWMP AND THE BMP MUST BE INSTALLED AND MAINTAINED AS SHOWN IN THE MANUFACTURER'S DETAILS. NOTE, SOME MUNICIPALITIES DISCOURAGE OR PROHIBIT THE USE OF STRAW BALES FOR INLET PROTECTION. CHECK WITH LOCAL JURISDICTION TO DETERMINE IF STRAW BALE INLET PROTECTION IS ACCEPTABLE. lP-8 Urban Drainage and Flood Control District August 2013 Urban Storm Drainage Criteria Manual Volume 3 Temporary Outlet Protection (TOP) EC-8 Description �,►-.�=Yt ="-_" _, q"=" _- Outlet protection helps to reduce erosion immediately downstream of a pipe, culvert, slope drain,rundown or other conveyance with concentrated,high- a veloci flows. Typical outlet protection h' Yp P A consists of riprap or rock aprons at the 7 ,; — .� ,. y ,_. � conveyance outlet. .7 Appropriate Uses Outlet protection should be used when a conveyance discharges onto a disturbed area where there is potential for accelerated Photograph TOP-1. Riprap outlet protection. erosion due to concentrated flow. Outlet protection should be provided where the velocity at the culvert outlet exceeds the maximum permissible velocity of the material in the receiving channel. Note: This Fact Sheet and detail are for temporary outlet protection, outlets that are intended to be used for less than 2 years. For permanent,long-term outlet protection,see the Major Drainage chapter of Volume 1. Design and Installation Design outlet protection to handle runoff from the largest drainage area that may be contributing runoff during construction(the drainage area may change as a result of grading). Key in rock,around the entire perimeter of the apron,to a minimum depth of 6 inches for stability. Extend riprap to the height of the culvert or the normal flow depth of the downstream channel,whichever is less. Additional erosion control measures such as vegetative lining, turf reinforcement mat and/or other channel lining methods may be required downstream of the outlet protection if the channel is susceptible to erosion. See Design Detail OP-1 for additional information. Maintenance and Removal Inspect apron for damage and displaced rocks. If rocks are missing or significantly displaced,repair or replace as necessary. If rocks are continuously missing or displaced, consider increasing the size of the riprap or deeper keying of the perimeter. Remove sediment accumulated at the outlet before the outlet protection becomes buried and ineffective. When sediment accumulation is noted, check that upgradient BMPs, including inlet protection,are in effective operating condition. Outlet Protection Outlet protection may be removed once the pipe is no longer draining an upstream area,or once the downstream area has Functions been sufficiently stabilized. If the drainage pipe is Erosion Control Yes permanent, outlet protection can be left in place;however, Sediment Control Moderate permanent outlet protection should be designed and Site/Material Management No constructed in accordance with the requirements of the Major Drainage chapter of Volume 2. November 2010 Urban Drainage and Flood Control District TOP-1 Urban Storm Drainage Criteria Manual Volume 3 EC-8 Temporary Outlet Protection (TOP) EXTEND RIPRAP TO HEIGHT OF CULVERT OR NORMAL CHANNEL 0 DEPTH, WHICHEVER IS LESS r�♦` 'jy;44...`ti TEMPORARY OUTLET PROTECTION PLAN ` La IlE 0% D = 2 x 050 NON—WOVEN GEOTEXTIL£ KEY IN TO 2 x D50 AROUND PERIMETER SECTION A TABLE OP-1. TEMPORARY OUTLET PROTECTION SIZING TABLE PIPE APRON RIPRAP D50 DIAMETER, DISCHARGE, DIAMETER Do 0 (CFS) LENGTH, La MIN (INCHES) (FT) (INCHES) 8 2.5 5 4 5 10 6 12 5 10 4 10 13 6 10 10 6 is 20 16 9 30 23 12 40 26 16 30 16 9 24 40 26 9 50 26 12 60 1 30 1 16 OP- 1 . TEMPORARY OUTLET PROTECTION TOP-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Temporary Outlet Protection (TOP) EC-8 TEMPORARY OUTLET PROTECTION INSTALLATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF OUTLET PROTECTION. —DIMENSIONS OF OUTLET PROTECTION. 2. DETAIL IS INTENDED FOR PIPES WITH SLOPE S 10%. ADDITIONAL EVALUATION OF RIPRAP SIZING AND OUTLET PROTECTION DIMENSIONS REQUIRED FOR STEEPER SLOPES. 3_ TEMPORARY OUTLET PROTECTION INFORMATION IS FOR OUTLETS INTENDED TO BE UTILIZED LESS THAN 2 YEARS. TEMPORARY OUTLET PROTECTION INSPECTION AND MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (DETAILS ADAPTED FROM AURORA, COL.ORADO AND PREVIOUS VERSION OF VOLUME 3, NOT AVAILABLE IN AUTOCAD) November 2010 Urban Drainage and Flood Control District TOP-3 Urban Storm Drainage Criteria Manual Volume 3 Rough Cut Street Control (RCS) EC-9 Description Rough cut street controls are rock or earthen berms placed along dirt roadways that are under construction or used for construction access. These temporary - berms intercept sheet flow and divert runoff from the roadway, and control erosion by minimizing concentration of - - flow and reducing runoff velocity. Appropriate Uses Appropriate uses include: ■ Temporary dirt construction roadways that have not received roadbase. Photograph RCS-1.Rough cut street controls. ■ Roadways under construction that will not be paved within 14 days of final grading, and that have not yet received roadbase. Design and Installation Rough cut street controls are designed to redirect sheet flow off the dirt roadway to prevent water from concentrating and eroding the soil. These controls consist of runoff barriers that are constructed at intervals along the road. These barriers are installed perpendicular to the longitudinal slope from the outer edge of the roadside swale to the crown of the road. The barriers are positioned alternately from the right and left side of the road to allow construction traffic to pass in the lane not barred. If construction traffic is expected to be congested and a vehicle tracking control has been constructed,rough-cut street controls may be omitted for 400 feet from the entrance. Runoff from the controls should be directed to another stormwater BMP such as a roadside swale with check dams once removed from the roadway. See Detail RCS-1 for additional information. Maintenance and Removal Inspect street controls for erosion and stability. If rills are forming in the roadway or cutting through the control berms,place the street controls at shorter intervals. If earthen berms are used,periodic recompaction may be necessary. When rock berms are used, repair and/or replace as necessary when damaged. Street Rough Cut Street Control controls may be removed 14 days prior to road surfacing and Functions paving. Erosion Control Yes Sediment Control Moderate Site/Material Management No November 2010 Urban Drainage and Flood Control District RCS-1 Urban Storm Drainage Criteria Manual Volume 3 EC-9 Rough Cut Street Control (RCS) RCS A SPACING 200' MAXIMUM (SEE TABLE RCS-•2) PL EXCAVATED STREET W i 2 ROADBED•sn,`.` WIDTH ROADBED SLOPE CL — : X SEE TABLE RCS-1 8' MINIMUM SPACING B FOR VEHICLE PASSAGE PL GEOTEXTILE SOCK(S) FILLED WITH CRUSHED ROCK OR COMPACTED EARTHEN BERM(S) ROUGH CUT STREET CONTROL PLAN P L W PL �, � F✓ GEOTEXTILE SOCK(S) FILLED EXCAVATED ROADBED WITH CRUSH ROCK OR COMPACTED EARTHEN SERM(S) SECTION A s , •� :^3. 12" TO 18" W12" TO 18" SECTION B TABLE RCS-1 TABLE RCS-2 W (FT) X (FT) LONGITUDINAL SPACING (FT) STREET SLOPE (%) 20-30 5 <2 NOT TYPICALLY NEEDED 31-40 7 2 200 3 200 41-50 g 4 150 51-60 10.5 5 100 6 50 61-70 12 7 25 8 25 RCS-- 1 . ROUGH CUT STREET CONTROL RCS-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rough Cut Street Control (RCS) EC-9 ROUGH CUT STREET CONTROL INSTALLATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF ROUGH CUT STREET CONTROL MEASURES. 2. ROUGH CUT STREET CONTROL SHALL BE INSTALLED AFTER A ROAD HAS BEEN CUT IN, AND WILL NOT BE PAVED FOR MORE THAN 14 DAYS OR FOR TEMPORARY CONSTRUCTION ROADS THAT HAVE NOT RECEIVED ROAD BASE. ROUGH CUT STREET CONTROL INSPECTION AND MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREOLIENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. (DETAILS ADAPTED FROM AURORA, COLORADO, NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. November 2010 Urban Drainage and Flood Control District RCS-3 Urban Storm Drainage Criteria Manual Volume 3 Rolled Erosion Control Products (RECP) EC-6 Description Rolled Erosion Control Products (RECPs)include a variety of _ temporary or permanently installed manufactured products designed to control erosion and enhance vegetation establishment and survivability, '- particularly on slopes and in channels. For applications where natural vegetation alone will provide sufficient permanent erosion protection, temporary products such as netting, open weave textiles and a variety of erosion control blankets(ECBs)made of biodegradable natural materials Photograph RECP-1. Erosion control blanket protecting the slope from (e.g., straw, coconut fiber)can be used. erosion and providing favorable conditions for revegetation. For applications where natural vegetation alone will not be sustainable under expected flow conditions,permanent rolled erosion control products such as turf reinforcement mats (TRMs)can be used. In particular,turf reinforcement mats are designed for discharges that exert velocities and sheer stresses that exceed the typical limits of mature natural vegetation. Appropriate Uses RECPs can be used to control erosion in conjunction with revegetation efforts,providing seedbed protection from wind and water erosion. These products are often used on disturbed areas on steep slopes, in areas with highly erosive soils,or as part of drainageway stabilization. In order to select the appropriate RECP for site conditions, it is important to have a general understanding of the general types of these products,their expected longevity, and general characteristics. The Erosion Control Technology Council(ECTC 2005)characterizes rolled erosion control products according to these categories: ■ Mulch control netting: A planar woven natural fiber or extruded geosynthetic mesh used as a temporary degradable rolled erosion control product to anchor loose fiber mulches. ■ Open weave textile: A temporary degradable rolled erosion control product composed of processed natural or polymer yarns woven into a matrix,used to provide erosion control and facilitate vegetation establishment. ■ Erosion control blanket(ECB): A temporary degradable rolled erosion control product composed of processed natural or polymer fibers which are Rolled Erosion Control Products mechanically, structurally or chemically bound together to form a continuous matrix to provide erosion control Functions and facilitate vegetation establishment. ECBs can be Erosion Control Yes further differentiated into rapidly degrading single-net Sediment Control No and double-net types or slowly degrading types. Site/Material Management No November 2010 Urban Drainage and Flood Control District RECP-1 Urban Storm Drainage Criteria Manual Volume 3 EC-6 Rolled Erosion Control Products (RECP) ■ Turf Reinforcement Mat(TRM): A rolled erosion control product composed of non-degradable synthetic fibers,filaments,nets,wire mesh, and/or other elements,processed into a permanent,three- dimensional matrix of sufficient thickness. TRMs,which may be supplemented with degradable components,are designed to impart immediate erosion protection, enhance vegetation establishment and provide long-term functionality by permanently reinforcing vegetation during and after maturation. Note: TRMs are typically used in hydraulic applications, such as high flow ditches and channels,steep slopes, stream banks, and shorelines,where erosive forces may exceed the limits of natural,unreinforced vegetation or in areas where limited vegetation establishment is anticipated. Tables RECP-1 and RECP-2 provide guidelines for selecting rolled erosion control products appropriate to site conditions and desired longevity. Table RECP-1 is for conditions where natural vegetation alone will provide permanent erosion control,whereas Table RECP-2 is for conditions where vegetation alone will not be adequately stable to provide long-term erosion protection due to flow or other conditions. RECP-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rolled Erosion Control Products (RECP) EC-6 Table RECP-1. ECTC Standard Specification for Temporary Rolled Erosion Control Products (Adapted from Erosion Control Technology Council 2005) Slope Channel Minimum Expected Product Description Applications* Applications* Tensile Longevity Strength Maximum C Factor2'5 Max. Shear Gradient Stress ' ' @ Mulch Control Nets 5:1 (H:V) <0.10 0.25 lbs/ft2 5 lbs/ft5:1 (12 Pa) (0.073 kN/m) Netless Rolled <0.10 @ 0.5 lbs/ft2 5 lbs/ft Erosion Control 4:1 (H:V) 4:1 (24 Pa) (0.073 kN/m) Blankets Up to 12 Single-net Erosion <0.15 @ 1.51bs/ft2 50 lbs/ft months Control Blankets& 3:1 (H:V) 3:1 (72 Pa) (0.73 kN/m) Open Weave Textiles Double-net Erosion <0.20 @ 1.75 lbs/ft2 75 lbs/ft Control Blankets 2:1 (H:V) — 2:1 (84 Pa) (1.09 kN/m) Mulch Control Nets 5:1 (H:V) <0.10 @ 0.25 lbs/ft2 25 lbs/ft5:1 (12 Pa) (0.36 Min) 24 months Erosion Control Blankets &Open _<0.25 @ 2.00 lbs/ft2 1001bs/ft Weave Textiles L5:1 (H:V) 1.5:1 (96 Pa) (1.45 kN/m) 24 months (slowly degrading) Erosion Control <0.25 @ 2.25 lbs/ft2 125 lbs/ft Blankets &Open 1:1 (H:V) — 36 months Weave Textiles 1:1 (108 Pa) (1.82 kN/m) * C Factor and shear stress for mulch control nettings must be obtained with netting used in conjunction with pre-applied mulch material. (See Section 5.3 of Chapter 7 Construction BMPs for more information on the C Factor.) ' Minimum Average Roll Values,Machine direction using ECTC Mod. ASTM D 5035. 2 C Factor calculated as ratio of soil loss from RECP protected slope(tested at specified or greater gradient,H:V)to ratio of soil loss from unprotected(control)plot in large-scale testing. 3 Required minimum shear stress RECP(unvegetated)can sustain without physical damage or excess erosion(> 12.7 min(0.5 in) soil loss)during a 30-minute flow event in large-scale testing. 4 The permissible shear stress levels established for each performance category are based on historical experience with products characterized by Manning's roughness coefficients in the range of 0.01 -0.05. 5 Acceptable large-scale test methods may include ASTM D 6459,or other independent testing deemed acceptable by the engineer. 6 Per the engineer's discretion. Recommended acceptable large-scale testing protocol may include ASTM D 6460, or other independent testing deemed acceptable by the engineer. November 2010 Urban Drainage and Flood Control District RECP-3 Urban Storm Drainage Criteria Manual Volume 3 EC-6 Rolled Erosion Control Products (RECP) Table RECP-2. ECTC Standard Specification for Permanent' Rolled Erosion Control Products (Adapted from: Erosion Control Technology Council 2005) Product Type Slope Channel Applications Applications Maximum Maximum Minimum Gradient Shear Stress4'S Tensile Strength 2,1 TRMs with a minimum thickness of 2 125 lbs/ft(1.82 0.5:1 (H:V) 6.0 lbs/ft (288 Pa) 0.25 inches(6.35 mm)per ASTM D kN/m) 6525 and UV stability of 80%per ASTM D 4355 (500 hours 2 150 lbs/ft(2.19 exposure). 0.5:1 (H:V) 8.0 lbs/ft (384 Pa) kN/m) 0.5:1 (H:V) 10.0 lbs/ft2(480 Pa) 175 lbs/ft(2.55 kN/m) ' For TRMs containing degradable components, all property values must be obtained on the non- degradable portion of the matting alone. 2 Minimum Average Roll Values,machine direction only for tensile strength determination using ASTM D 6818 (Supersedes Mod. ASTM D 5035 for RECPs) 3 Field conditions with high loading and/or high survivability requirements may warrant the use of a TRM with a tensile strength of 44 kN/m(3,000 lb/ft)or greater. 4 Required minimum shear stress TRM(fully vegetated) can sustain without physical damage or excess erosion(> 12.7 mm(0.5 in.) soil loss) during a 30-minute flow event in large scale testing. 5 Acceptable large-scale testing protocols may include ASTM D 6460, or other independent testing deemed acceptable by the engineer. Design and Installation RECPs should be installed according to manufacturer's specifications and guidelines. Regardless of the type of product used, it is important to ensure no gaps or voids exist under the material and that all corners of the material are secured using stakes and trenching. Continuous contact between the product and the soil is necessary to avoid failure. Never use metal stakes to secure temporary erosion control products. Often wooden stakes are used to anchor RECPs;however,wood stakes may present installation and maintenance challenges and generally take a long time to biodegrade. Some local jurisdictions have had favorable experiences using biodegradable stakes. This BMP Fact Sheet provides design details for several commonly used ECB applications,including: ECB-1 Pipe Outlet to Drainageway ECB-2 Small Ditch or Drainageway ECB-3 Outside of Drainageway RECP-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rolled Erosion Control Products (RECP) EC-6 Staking patterns are also provided in the design details according to these factors: ■ ECB type ■ Slope or channel type For other types of RECPs including TRMs,these design details are intended to serve as general guidelines for design and installation;however, engineers should adhere to manufacturer's installation recommendations. Maintenance and Removal Inspection of erosion control blankets and other RECPs includes: ■ Check for general signs of erosion,including voids beneath the mat. If voids are apparent, fill the void with suitable soil and replace the erosion control blanket, following the appropriate staking pattern. ■ Check for damaged or loose stakes and secure loose portions of the blanket. Erosion control blankets and other RECPs that are biodegradable typically do not need to be removed after construction. If they must be removed,then an alternate soil stabilization method should be installed promptly following removal. Turf reinforcement mats,although generally resistant to biodegradation, are typically left in place as a dense vegetated cover grows in through the mat matrix. The turf reinforcement mat provides long-term stability and helps the established vegetation resist erosive forces. November 2010 Urban Drainage and Flood Control District RECP-5 Urban Storm Drainage Criteria Manual Volume 3 EC-6 Rolled Erosion Control Products (RECP) ECB UNDISTURBED PERIMETER JOINT ANCHOR TOP OF SOIL ANCHOR TRENCH, TYP. CHANNEL BANK TRENCH, TYP. ANCHOR DETAILS GEOTEXTILE FABRIC OR MAT, TYP. 3" MIN, TYP. !' •:.._ - MIN, J. TYP. SINGLE EDGE �•' 3. 31 _,� STAKE, TYP. r COMPACTED TYPE OF ECB A IN ICA NN LAN VIEW. INSTALL IN ALL BACKFLLL, TYP. DISTURBED AREAS OF STREAMS AND DRAINAGE CHANNELS TO DEPTH PERIMETER ANCHOR TRENCH 0 ABOVE CHANNEL INVERT. EC8 SHALL GENERALLY BE ORIENTED PARALLEL TO FLOW DIRECTION (I.E. LONG DIMENSIONS OF BLANKET PARALLEL TO FLOWLINES) STAKING PATTERN SHALL MATCH ECB AND/OR CHANNEL TYPE. ECB- 1 . PIPE OUTLET TO DRAINAGEWAY OTWO OF EDGES SADJACENT ROLLS TYPE OF ECS, JOINT ANCHOR TRENCH JOINT ANCHOR TRENCH, TYP. INDICATED IN PLAN VIEW LOOP FROM 6 �:'` �,`, .\ MIDDLE Of ECB SHALL HALL ROLL ;: ;`+ EXTEND TO THE TOP OF THE CHANNEL ', :� INTERMEDIATE ANCHOR TRENCFi r- PERIMETER ANCHOR FLOW D TRENCH, TYP. COMPACTED SUBGRADE STAKING PATTERN PER MANUFACTURER SPEC. OR PATTERN BASED ON ECB AND/OR CHANNEL TYPE (SEE STAKING OVERLAPPING JOINT PATTERN DETAIL) 3' MIN. ECB--2. SMALL_ DITCH OR DRAINAGEWAY 12" MIN. WOOD STAKE DETAIL RECP-6 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rolled Erosion Control Products (RECP) EC-6 STAGGER OVERLAPS DIVERSION DITCH OVERLAPPING JOINT TYPICALLY AT TOP OF SLOPE STAKING PATTERN PER ` MANUFACTURER SPEC. OR PATTERN BASED ON ECS AND/OR SLOPE TYPE (SEE STAKING PATTERN DETAIL) ERIMETER ANCHOR TRENCH ECB-3. OUTSIDE OF DRAINAGEWAY ROLL PERIMETER WIDTH ANCHOR W, TYP. TRENCH OR JOINT, TYP. N2 W ( o I W 3' W�''la Yz W o 0 r o 6 0 ^� kz Yy W T'. 4' o o T o 0 t o T2. STRAW STRAW-COCONUT COCONUT OR EXCELSIOR STAKING PATTERNS BY ECB TYPE 3 __1 F— Y2 W 2. - 0 0 3' — Y4 W 6 4 Y2 W 5 E o w o ¢' o o Y2 W W I--•� Y+ '0 a D O 4:1-3.1 3:1-2:1 2:1 AND STEEPER SLOPES 2 SLOPES SLOPES W 4' 0001 . �+ Y2 W o 0 0 0000 L 2' 20" 20" H-- a o 0 LOW FLOW CHANNEL HIGH FLOW CHANNEL STAKING PATTERNS BY SLOPE OR CHANNEL TYPE November 2010 Urban Drainage and Flood Control District RECP-7 Urban Storm Drainage Criteria Manual Volume 3 EC-6 Rolled Erosion Control Products (RECP) EROSION CONTROL BLANKET INSTALLATION NOTES 1. SEE PLAN VIEW FOR: —LOCATION OF ECB. —TYPE OF ECB (STRAW. STRAW—COCONUT. COCONUT. OR EXCELSIOR). —AREA, A, IN SQUARE YARDS OF EACH TYPE OF ECB. 2. 100% NATURAL AND BIODEGRADABLE MATERIALS ARE PREFERRED FOR RECPs, ALTHOUGH SOME JURISDICTIONS MAY ALLOW OTHER MATERIALS IN SOME APPLICATIONS. 3. IN AREAS WHERE ECBS ARE SHOWN ON THE PLANS, THE PERMITTEE SHALL PLACE TOPSOIL AND PERFORM FINAL GRADING. SURFACE PREPARATION. AND SEEDING AND MULCHING. SUBGRADE SHALL BE SMOOTH AND MOIST PRIOR TO ECB INSTALLATION AND THE ECB SHALL BE IN FULL CONTACT WITH SUBGRADE. NO GAPS OR VOIDS SHALL EXIST UNDER THE BLANKET. 4. PERIMETER ANCHOR TRENCH SHALL BE USED ALONG THE OUTSIDE PERIMETER OF ALL BLANKET AREAS. 5. JOINT ANCHOR TRENCH SHALL BE USED TO JOIN ROLLS OF ECBs TOGETHER (LONGITUDINALLY AND TRANSVERSELY) FOR ALL ECBs EXCEPT STRAW WHICH MAY USE AN OVERLAPPING JOINT. 6. INTERMEDIATE ANCHOR TRENCH SHALL BE USED AT SPACING OF ONE—HALF ROLL LENGTH FOR COCONUT AND EXCELSIOR ECBs. 7. OVERLAPPING JOINT DETAIL SHALL BE USED TO JOIN ROLLS OF ECBS TOGETHER FOR ECBs ON SLOPES. 8. MATERIAL SPECIFICATIONS OF ECBs SHALL CONFORM TO TABLE: ECB—I. 9. ANY AREAS OF SEEDING AND MULCHING DISTURBED IN THE PROCESS OF INSTALLING £CBS SHALL BE RESEEDED AND MULCHED. 10. DETAILS ON DESIGN PLANS FOR MAJOR DRAINAGEWAY STABILIZATION WILL GOVERN IF DIFFERENT FROM THOSE SHOWN HERE. TABLE ECB-1. ECB MATERIAL SPECIFICATIONS TYPE COCONUT STRAW EXCELSIOR RECOMMENDED CONTENT CONTENT CONTENT NETTING" STRAW' — 100% — DOUBLE/ NATURAL STRAW— 30% MIN 70% MAX _ DOUBLE/ COCONUT NATURAL COCONUT 1009.' _ — DOUBLE/ NATURAL EXCELSIOR — — 100% DOUBLE/ NATURAL W MAY ONLY M USFb OUTSOES AND D NANN L. —ALTERNATE NETTING MAY BE ACCEPTABLE IN SOME auRcSWTIONS RECP-8 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rolled Erosion Control Products (RECP) EC-6 EROSION CONTROL 13LANKET MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. ECBs SHALL BE LEFT IN PLACE TO EVENTUALLY BIODEGRADE, UNLESS REQUESTED TO BE REMOVED BY THE LOCAL JURISDICTION. 5. ANY ECB PULLED OUT, TORN, OR OTHERWISE DAMAGED SHALL BE REPAIRED OR REINSTALLED. ANY SUBGRADE AREAS BELOW THE GEOTEXTILE THAT HAVE ERODED TO CREATED A VOID UNDER THE BLANKET, OR THAT REMAIN DEVOID OF GRASS SHALL BE REPAIRED, RESEEDED AND MULCHED AND THE ECB REINSTALLED. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (DETAflS ADAPTED FROM DOUGLAS COUNTY, COLORADO AND TOWN OF PARKER COLORADO, NOT AVAILABLE IN AUTOCAD) November 2010 Urban Drainage and Flood Control District RECP-9 Urban Storm Drainage Criteria Manual Volume 3 � COLORADO a r Department of Transportation 1. DESCRIPTION: Temporary Berms are temporary control measure barriers made of compacted subsoil or other e approved materials such as embankment or sand bags. Their function is to intercept and divert sheet surface runoff away from areas not yet IW stabilized, prevent erosion, manage sheet flow, „ and reduce sediment transport. 2. CONTROL MEASURE USES ❑x Erosion Control ❑x Sediment Control ❑ Site/Materials Management 3. RELEVANT SPECIFICATION SECTIONS Section 208 - Erosion Control Temporary Berm along access road a) 208.05 (d) - Construction BMPS b) 208.11 - Method of Measurement • May be used on relatively flat slopes to 4. RELEVANT M-STANDARD DETAILS capture surface runoff to shorten the M-208-1, Sheet 7 of 11 (Grading Applications) overall slope length before it has a chance to concentrate and cause rill and gully erosion 5. BASIS OF PAYMENT 7. LIMITATIONS Pay item Description Pay Unit Only to be used as a temporary measure 208-00300 Temporary Berm LF on flat areas with slopes less than 2H:1V. • Must use a secondary erosion control measure device when sediment control is 6. APPLICATIONS an objective. • May be constructed across roadways Susceptible to erosion when intercepted (transverse berm) at a slight angle with concentrated flows have high velocities. respect to the centerline. • May be constructed along the top edge of 8. SOILS TRIANGLE fill slopes or below the toe of exposed and SOIL TEXTURE AND erodible slopes (upslope or downslope side SURGRADE CONDITIONS of a construction area). They can also be ■APPROPRIATE used at storm drain inlets (when approved) SOMEWHAT APPROPRIATE and across minor swales and ditches. ■ NOT APPROPRIATE • May be used to construct Rough Cut Street Control measures. • May be used to divert surface sheet flows from areas where flows may damage property or interfere with establishment of vegetation. `4NERAL • May be used to divert surface runoff to ;Exru� other control measures like Sediment Traps. PAGE 1 OF 2 COLORADO C& 9Department of Transportation 9. SWMP ADMINISTRATOR FOR DESIGN CRITERIA • Temporary Berm: o Berm must be at least 18 inches tall or high enough to prevent overtopping. o Berm must have a minimum of 4- to 6-foot base. o Gradient of all receiving area above berm must be less than 2:1, or flatter. o Berms must be designed so that flow line of water is at a gradient of less than 3 percent. Greater than 3 percent may require the use of Check Dams in the flow line behind the berm. o Outlets of anticipated flow from captured water behind berms must be designed with additional control measures suitable to control concentrated flow. Maximum drainage area for each outlet must be limited to 2 acres. o Berms installed taller than 2 feet require additional control measures at the toe opposite of the conveyance side. 10. INSTALLATION CRITERIA • Construct Temporary Berm using native subsoil materials that can be compacted. Topsoil may not be used to construct these structures. • Temporary Berm must be compacted manually or by mechanical means. • The berms shall be constructed at regular intervals along the road and shall be perpendicular to the longitudinal slope from the outer edge of the swale to the crown of the road. 11. MAINTENANCE AND REMOVAL • Inspect Temporary Berms on a daily basis for signs of erosion, stability, and compaction. Whenever erosion is spotted, replace lost material and recompact berm to match original conditions. • If intensive maintenance is necessary to keep this control measure functional, consider using a different control measure device (see Silt Dike [fact sheet No. 19] or Erosion Logs [fact sheet No. 17]. • When upstream area is stabilized, Temporary Berms may be removed. Disturbed area around control measure must be cleared of any debris or sediment, receive subgrade soil preparation, and be seeded and mulched. • Removed material for Temporary Berms may be distributed on-site at a location approved by the Engineer. PAGE 2 OF 2 Concrete Washout Area (CWA) MM-1 Description Concrete waste management involves designating and properly managing a specific area of the construction site as a concrete washout area. A concrete washout area can be created using one of . several approaches designed to receive • wash water from washing of tools and -. concrete mixer chutes, liquid concrete _ waste from dump trucks,mobile batch mixers, or pump trucks. Three basic fir; approaches are available: excavation of a pit in the ground,use of an above ground storage area, or use of prefabricated haul- away concrete washout containers. Surface discharges of concrete washout water from construction sites are prohibited. Photograph CWA-1. Example of concrete washout area. Note gravel tracking pad for access and sign. Appropriate Uses Concrete washout areas must be designated On all sites that will generate concrete wash water or liquid concrete waste from onsite concrete mixing or concrete delivery. Because pH is a pollutant of concern for washout activities,when unlined pits are used for concrete washout,the soil must have adequate buffering capacity to result in protection of state groundwater standards; otherwise, a liner/containment must be used. The following management practices are recommended to prevent an impact from unlined pits to groundwater: ■ The use of the washout site should be temporary(less than 1 year), and ■ The washout site should be not be located in an area where shallow groundwater may be present, such as near natural drainages, springs,Or wetlands. Design and Installation Concrete washout activities must be conducted in a manner that does not contribute pollutants to surface waters or stormwater runoff. Concrete washout areas may be lined or unlined excavated pits in the ground, commercially manufactured prefabricated washout containers,or aboveground holding areas constructed of berms, sandbags or straw bales with a plastic liner. Although unlined washout areas may be used, lined pits may be required to protect groundwater under certain conditions. Concrete Washout Area Do not locate an unlined washout area within 400 feet Functions of any natural drainage pathway or waterbody or within 1,000 feet of any wells or drinking water Erosion Control No sources. Even for lined concrete washouts,it is Sediment Control No advisable to locate the facility away from waterbodies Site/Material Management Yes and drainage paths. If site constraints make these November 2010 Urban Drainage and Flood Control District CWA-1 Urban Storm Drainage Criteria Manual Volume 3 MM-1 Concrete Washout Area (CWA) setbacks infeasible or if highly permeable soils exist in the area,then the pit must be installed with an impermeable liner(16 mil minimum thickness) or surface storage alternatives using prefabricated concrete washout devices or a lined aboveground storage area should be used. Design details with notes are provided in Detail CWA-1 for pits and CWA-2 for aboveground storage areas. Pre-fabricated concrete washout container information can be obtained from vendors. Maintenance and Removal A key consideration for concrete washout areas is to ensure that adequate signage is in place identifying the location of the washout area. Part of inspecting and maintaining washout areas is ensuring that adequate signage is provided and in good repair and that the washout area is being used,as opposed to washout in non-designated areas of the site. Remove concrete waste in the washout area, as needed to maintain BMP function(typically when filled to about two-thirds of its capacity). Collect concrete waste and deliver offsite to a designated disposal location. Upon termination of use of the washout site,accumulated solid waste, including concrete waste and any contaminated soils,must be removed from the site to prevent on-site disposal of solid waste. If the wash water is allowed to evaporate and the concrete hardens,it may be recycled. Photograph CWA-2. Prefabricated concrete washout. Photo Photograph CWA-3. Earthen concrete washout. Photo courtesy of CDOT. courtesy of CDOT. CWA-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Concrete Washout Area (CWA) MM-1 CONCRETE WASHOUT a. SIGN HI- Ms. CWA P. . 43-1 4' MIN r f�.w,.in G . :. %r ,� : `. VEHICLE TRACKING 3:1 IN. CONTROL (SEE VTC DETAIL) OR OTHER STABLE SURFACE 3:1 kc 25 MIN r- 1 CONCRETE WASHOUT AREA PLAN 12" TYP. COMPACTED BERM AROUND 24 THE PERIMETER 1(— 2% SLOPE 1L- 13' MIN. �1 �• UNDISTURBED OR >3 fff >3 COMPACTED SOIL VEHICLE TRACKING 8 X 8 MIN. CONTROL (SEE VTC SECTION A DETAIL CWA- 1 . CONCRETE WASHOUT AREA CWA INSTALLATION NOTES 1. SEE PLAN VIEW FOR: -CWA INSTALLATION LOCATION. 2. DO NOT LOCATE AN UNLINED CWA WITHIN 400' OF ANY NATURAL DRAINAGE PATHWAY OR WATERBOOY. DO NOT LOCATE WITHIN 1,000' OF ANY WELLS OR DRINKING WATER SOURCES. IF SITE CONSTRAINTS MAKE THIS INFEASIBLE, OR IF HIGHLY PERMEABLE SOILS EXIST ON SITE, THE CWA MUST BE INSTALLED WITH AN IMPERMEABLE LINER (16 MIL MIN. THICKNESS) OR SURFACE STORAGE ALTERNATIVES USING PREFABRICATED CONCRETE WASHOUT DEVICES OR A LINED ABOVE GROUND STORAGE ARE SHOULD BE USED. 3. THE CWA SHALL BE INSTALLED PRIOR TO CONCRETE PLACEMENT ON SITE. 4. CWA SHALL INCLUDE A FLAT SUBSURFACE PIT THAT IS AT LEAST S' BY 8' SLOPES LEADING OUT OF THE SUBSURFACE PIT SHALL BE 3:1 OR FLATTER. THE PIT SHALL BE AT LEAST 3' DEEP. 5. BERM SURROUNDING SIDES AND BACK OF THE CWA SHALL HAVE MINIMUM HEIGHT OF 1'. 6. VEHICLE TRACKING PAD SHALL BE SLOPED 2% TOWARDS THE CWA. 7 SIGNS SHALL BE PLACED AT THE CONSTRUCTION ENTRANCE, AT THE CWA, AND ELSEWHERE AS NECESSARY TO CLEARLY INDICATE THE LOCATION OF THE CWA TO OPERATORS OF CONCRETE TRUCKS AND PUMP RIGS. 8. USE EXCAVATED MATERIAL FOR PERIMETER BERM CONSTRUCTION. November 2010 Urban Drainage and Flood Control District CWA-3 Urban Storm Drainage Criteria Manual Volume 3 MM-1 Concrete Washout Area (CWA) CWA MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE, 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. THE CWA SHALL BE REPAIRED, CLEANED, OR ENLARGED AS NECESSARY TO MAINTAIN CAPACITY FOR CONCRETE WASTE. CONCRETE MATERIALS, ACCUMULATED IN PIT, SHALL BE REMOVED ONCE THE MATERIALS HAVE REACHED A DEPTH OF 2'. 5. CONCRETE WASHOUT WATER, WASTED PIECES OF CONCRETE AND ALL OTHER DEBRIS IN THE SUBSURFACE PIT SHALL BE TRANSPORTED FROM THE JOB SITE IN A WATER—TIGHT CONTAINER AND DISPOSED OF PROPERLY. 6. THE CWA SHALL REMAIN IN PLACE UNTIL ALL CONCRETE FOR THE PROJECT IS PLACED. 7. WHEN THE CWA IS REMOVED, COVER THE DISTURBED AREA WITH TOP SOIL, SEED AND MULCH OR OTHERWISE STA8ILIZED IN A MANNER APPROVED BY THE LOCAL JURISDICTION. (DETAIL ADAPTED FROM DOUGLAS COUNTY, COLORADO AND THE CITY OF PARKER, COLORADO, NOT AVAILABLE IN AUTOCAD). NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. CWA-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Temporary and Permanent Seeding (TS/PS) EC-2 Description Temporary seeding can be used to stabilize disturbed areas that will be I inactive for an extended period. Permanent seeding should be used to # stabilize areas at final grade that will not .t be otherwise stabilized. Effective seeding includes preparation of a seedbed, selection of an appropriate seed mixture, proper planting techniques,and protection of the seeded area with mulch,geotextiles, or other appropriate measures. Appropriate Uses ' When the soil surface is disturbed and Photograph TS/PS-1. Equipment used to drill seed. Photo courtesy of will remain inactive for an extended Douglas County. period(typically 30 days or longer), proactive stabilization measures should be implemented. If the inactive period is short-lived(on the order of two weeks),techniques such as surface roughening may be appropriate. For longer periods of inactivity,temporary seeding and mulching can provide effective erosion control. Permanent seeding should be used on finished areas that have not been otherwise stabilized. Typically, local governments have their own seed mixes and timelines for seeding. Check jurisdictional requirements for seeding and temporary stabilization. Design and Installation Effective seeding requires proper seedbed preparation,selection of an appropriate seed mixture,use of appropriate seeding equipment to ensure proper coverage and density, and protection with mulch or fabric until plants are established. The USDCM Volume 2 Revegetation Chapter contains detailed seed mix, soil preparations, and seeding and mulching recommendations that may be referenced to supplement this Fact Sheet. Drill seeding is the preferred seeding method. Hydroseeding is not recommended except in areas where steep slopes prevent use of drill seeding equipment, and even in these instances it is preferable to hand seed and mulch. Some jurisdictions do not allow hydroseeding or hydromulching. Seedbed Preparation Prior to seeding, ensure that areas to be revegetated have soil conditions capable of supporting vegetation. Overlot Temporary and Permanent Seeding grading can result in loss of topsoil,resulting in poor quality subsoils at the ground surface that have low nutrient value, Functions little organic matter content, few soil microorganisms, Erosion Control Yes rooting restrictions, and conditions less conducive to Sediment Control No infiltration of precipitation. As a result,it is typically Site/Material Management No necessary to provide stockpiled topsoil, compost, or other June 2012 Urban Drainage and Flood Control District TS/PS-1 Urban Storm Drainage Criteria Manual Volume 3 EC-2 Temporary and Permanent Seeding (TS/PS) soil amendments and rototill them into the soil to a depth of 6 inches or more. Topsoil should be salvaged during grading operations for use and spread on areas to be revegetated later. Topsoil should be viewed as an important resource to be utilized for vegetation establishment, due to its water-holding capacity, structure,texture, organic matter content,biological activity, and nutrient content. The rooting depth of most native grasses in the semi-arid Denver metropolitan area is 6 to 18 inches. At a minimum,the upper 6 inches of topsoil should be stripped, stockpiled, and ultimately respread across areas that will be revegetated. Where topsoil is not available, subsoils should be amended to provide an appropriate plant-growth medium. Organic matter, such as well digested compost,can be added to improve soil characteristics conducive to plant growth. Other treatments can be used to adjust soil pH conditions when needed. Soil testing,which is typically inexpensive, should be completed to determine and optimize the types and amounts of amendments that are required. If the disturbed ground surface is compacted,rip or rototill the surface prior to placing topsoil. If adding compost to the existing soil surface,rototilling is necessary. Surface roughening will assist in placement of a stable topsoil layer on steeper slopes, and allow infiltration and root penetration to greater depth. Prior to seeding,the soil surface should be rough and the seedbed should be firm,but neither too loose nor compacted. The upper layer of soil should be in a condition suitable for seeding at the proper depth and conducive to plant growth. Seed-to-soil contact is the key to good germination. Seed Mix for Temporary Vegetation To provide temporary vegetative cover on disturbed areas which will not be paved,built upon, or fully landscaped or worked for an extended period(typically 30 days or more),plant an annual grass appropriate for the time of planting and mulch the planted areas. Annual grasses suitable for the Denver metropolitan area are listed in Table TS/PS-l. These are to be considered only as general recommendations when specific design guidance for a particular site is not available. Local governments typically specify seed mixes appropriate for their jurisdiction. Seed Mix for Permanent Revegetation To provide vegetative cover on disturbed areas that have reached final grade,a perennial grass mix should be established. Permanent seeding should be performed promptly(typically within 14 days)after reaching final grade. Each site will have different characteristics and a landscape professional or the local jurisdiction should be contacted to determine the most suitable seed mix for a specific site. In lieu of a specific recommendation, one of the perennial grass mixes appropriate for site conditions and growth season listed in Table TS/PS-2 can be used. The pure live seed(PLS)rates of application recommended in these tables are considered to be absolute minimum rates for seed applied using proper drill-seeding equipment. If desired for wildlife habitat or landscape diversity, shrubs such as rubber rabbitbrush(Chrysothamnus nauseosus), fourwing saltbush(Atriplex canescens)and skunkbrush sumac (Rhus trilobata) could be added to the upland seedmixes at 0.25, 0.5 and 1 pound PLS/acre,respectively. In riparian zones, planting root stock of such species as American plum(Prunus americans),woods rose(Rosa woodsii), plains cottonwood(Populus sargentii), and willow(Populus spp.)may be considered. On non-topsoiled upland sites, a legume such as Ladak alfalfa at 1 pound PLS/acre can be included as a source of nitrogen for perennial grasses. TS/PS-2 Urban Drainage and Flood Control District June 2012 Urban Storm Drainage Criteria Manual Volume 3 Temporary and Permanent Seeding (TS/PS) EC-2 Seeding dates for the highest success probability of perennial species along the Front Range are generally in the spring from April through early May and in the fall after the first of September until the ground freezes. If the area is irrigated, seeding may occur in summer months, as well. See Table TS/PS-3 for appropriate seeding dates. Table TS/PS-1. Minimum Drill Seeding Rates for Various Temporary Annual Grasses Pounds of Planting Species' Growth Pure Live Seed Depth (Common name) Season (PLS)/acre (inches) 1. Oats Cool 35 - 50 1 -2 2. Spring wheat Cool 25 - 35 1 -2 3. Spring barley Cool 25 -35 1 -2 4. Annual ryegrass Cool 10-15 '/z 5. Millet Warm 3 - 15 '/2-3/4 6. Sudangrass Warm 5-10 '/2-3/4 7. Sorghum Warm 5-10 'h-% 8. Winter wheat Cool 20-35 1 -2 9. Winter barley Cool 20-35 1 -2 10. Winter rye Cool 20-35 1 -2 11. Triticale Cool 25-40 1 -2 a Successful seeding of annual grass resulting in adequate plant growth will usually produce enough dead-plant residue to provide protection from wind and water erosion for an additional year. This assumes that the cover is not disturbed or mowed closer than 8 inches. Hydraulic seeding may be substituted for drilling only where slopes are steeper than 3:1 or where access limitations exist. When hydraulic seeding is used, hydraulic mulching should be applied as a separate operation,when practical,to prevent the seeds from being encapsulated in the mulch. See Table TS/PS-3 for seeding dates. Irrigation,if consistently applied, may extend the use of cool season species during the summer months. Seeding rates should be doubled if seed is broadcast,or increased by 50 percent if done using a Brillion Drill or by hydraulic seeding. June 2012 Urban Drainage and Flood Control District TS/PS-3 Urban Storm Drainage Criteria Manual Volume 3 EC-2 Temporary and Permanent Seeding (TS/PS) Table TS/PS-2. Minimum Drill Seeding Rates for Perennial Grasses Commona Botanical Growth Growth Seeds/ Pounds of Name Name Season Form Pound PLS/acre Alakali Soil Seed Mix Alkali sacaton Sporobolus airoides Cool Bunch 1,750,000 0.25 Basin wildrye Elymus cinereus Cool Bunch 165,000 2.5 Sodar streambank wheatgrass Agropyron riparium 'Sodar' Cool Sod 170,000 2.5 Jose tall wheatgrass Agropyron elongatum 'Jose' Cool Bunch 79,000 7.0 Arriba western wheatgrass Agropyron smithii'Arriba' Cool Sod 110,000 5.5 Total 17.75 Fertile Loamy Soil Seed Mix Ephriam crested wheatgrass Agropyron cristatum Cool Sod 175,000 2.0 Ephriam' Dural hard fescue Festuca ovina 'duriuscula' Cool Bunch 565,000 1.0 Lincoln smooth brome Bromus inermis leyss Cool Sod 130,000 3.0 'Lincoln' Sodar streambank wheatgrass Agropyron riparium 'Sodar' Cool Sod 170,000 2.5 Arriba western wheatgrass Agropyron smithii Arriba' Cool Sod 110,000 7.0 Total 15.5 High Water Table Soil Seed Mix Meadow foxtail Alopecurus pratensis Cool Sod 900,000 0.5 Redtop Agrostis alba Warm Open sod 5,000,000 0.25 Reed canarygrass Phalaris arundinacea Cool Sod 68,000 0.5 Lincoln smooth brome Bromus inermis leyss Cool Sod 130,000 3.0 Lincoln' Pathfinder switchgrass Panicum virgatum Warm Sod 389,000 1.0 'Pathfinder' Alkar tall wheatgrass Agropyron elongatum Cool Bunch 79,000 5.5 Alkar' Total 10.75 Transition Turf Seed Mix` Ruebens Canadian bluegrass Poa compressa 'Ruebens' Cool Sod 2,500,000 0.5 Dural hard fescue Festuca ovina 'duriuscula' Cool Bunch 565,000 1.0 Citation perennial ryegrass Lolium perenne'Citation' Cool Sod 247,000 3.0 Lincoln smooth brome Bromus inermis leyss Cool Sod 130,000 3.0 Lincoln' Total I I I 1 1 7.5 TS/PS-4 Urban Drainage and Flood Control District June 2012 Urban Storm Drainage Criteria Manual Volume 3 Temporary and Permanent Seeding (TS/PS) EC-2 Table TS/PS-2. Minimum Drill Seeding Rates for Perennial Grasses (cont.) Common Botanical Growth Growth Seeds/ Pounds of Name Name Season Form Pound PLS/acre Sandy Soil Seed Mix Blue grama Bouteloua gracilis Warm Sod-forming 825,000 0.5 bunchgrass Camper little bluestem Schizachyrium scoparium Warm Bunch 240,000 1.0 'Camper' Prairie sandreed Calamovilfa longifolia Warm Open sod 274,000 1.0 Sand dropseed Sporobolus cryptandrus Cool Bunch 5,298,000 0.25 Vaughn sideoats grama Bouteloua curtipendula Warm Sod 191,000 2.0 'Vaughn' Arriba western wheatgrass Agropyron smithii'Arriba' Cool Sod 110,000 5.5 Total 10.25 Heavy Clay,Rocky Foothill Seed Mix Agropyron cristatum Ephriam crested wheatgrass d 'Ephriam' Cool Sod 175,000 1.5 Oahe Intermediate wheatgrass Agropyron intermedium Cool Sod 115,000 5.5 'Oahe' Vaughn sideoats grama' 'Vaughn'oua curtipendula' Warm Sod 191,000 2.0 'Vaug Lincoln smooth brome Bromus inermis leyss Cool Sod 130,000 3.0 Lincoln' Arriba western wheatgrass Agropyron smithii'Arriba' Cool Sod 110,000 5.5 Total 17.5 a All of the above seeding mixes and rates are based on drill seeding followed by crimped straw mulch. These rates should be doubled if seed is broadcast and should be increased by 50 percent if the seeding is done using a Brillion Drill or is applied through hydraulic seeding. Hydraulic seeding may be substituted for drilling only where slopes are steeper than 3:1. If hydraulic seeding is used,hydraulic mulching should be done as a separate operation. b See Table TS/PS-3 for seeding dates. If site is to be irrigated,the transition turf seed rates should be doubled. d Crested wheatgrass should not be used on slopes steeper than 6H to IV. Can substitute 0.5 lbs PLS of blue grama for the 2.0 lbs PLS of Vaughn sideoats grama. June 2012 Urban Drainage and Flood Control District TS/PS-5 Urban Storm Drainage Criteria Manual Volume 3 EC-2 Temporary and Permanent Seeding (TS/PS) Table TS/PS-3. Seeding Dates for Annual and Perennial Grasses Annual Grasses Perennial Grasses (Numbers in table reference species in Table TS/PS-1) Seeding Dates Warm Cool Warm Cool January 1—March 15 ✓ ✓ March 16—April30 4 1,2,3 ✓ ✓ May 1—May 15 4 ✓ May 16—June 30 4,5,6,7 July 1—July 15 5,6,7 July 16—August 31 September 1—September 30 8,9,10,11 October 1—December 31 1 ✓ ✓ Mulch Cover seeded areas with mulch or an appropriate rolled erosion control product to promote establishment of vegetation. Anchor mulch by crimping,netting or use of a non-toxic tackifier. See the Mulching BMP Fact Sheet for additional guidance. Maintenance and Removal Monitor and observe seeded areas to identify areas of poor growth or areas that fail to germinate. Reseed and mulch these areas,as needed. An area that has been permanently seeded should have a good stand of vegetation within one growing season if irrigated and within three growing seasons without irrigation in Colorado. Reseed portions of the site that fail to germinate or remain bare after the first growing season. Seeded areas may require irrigation,particularly during extended dry periods. Targeted weed control may also be necessary. Protect seeded areas from construction equipment and vehicle access. TS/PS-6 Urban Drainage and Flood Control District June 2012 Urban Storm Drainage Criteria Manual Volume 3 Stabilized Staging Area (SSA) SM-6 Description A stabilized staging area is a clearly designated area where construction equipment and vehicles, stockpiles,wastea4e bins, and other construction-related - A materials are stored. The contractor office trailer may also be located in this area. Depending on the size of the construction site,more than one staging area may be necessary. Appropriate Uses 1 Most construction sites will require a staging area,which should be clearly Photograph SSA-1. Example of a staging area with a gravel surface to designated in SWMP drawings. The layout prevent mud tracking and reduce runoff. Photo courtesy of Douglas of the staging area may vary depending on County. the type of construction activity. Staging areas located in roadways due to space constraints require special measures to avoid materials being washed into storm inlets. Design and Installation Stabilized staging areas should be completed prior to other construction activities beginning on the site. Major components of a stabilized staging area include: ■ Appropriate space to contain storage and provide for loading/unloading operations, as well as parking if necessary. ■ A stabilized surface, either paved or covered,with 3-inch diameter aggregate or larger. ■ Perimeter controls such as silt fence, sediment control logs,or other measures. ■ Construction fencing to prevent unauthorized access to construction materials. ■ Provisions for Good Housekeeping practices related to materials storage and disposal,as described in the Good Housekeeping BMP Fact Sheet. ■ A stabilized construction entrance/exit,as described in the Vehicle Tracking Control BMP Fact Sheet, to accommodate traffic associated with material delivery and waste disposal vehicles. Over-sizing the stabilized staging area may result in disturbance of existing vegetation in excess of that required for the project. This increases costs, as well as requirements for long-term stabilization following the Stabilized Staging Area construction period. When designing the stabilized staging area, minimize the area of disturbance to the extent practical. Functions Erosion Control Yes Sediment Control Moderate Site/Material Yes November 2010 Urban Drainage and Flood Control District SSA-1 Urban Storm Drainage Criteria Manual Volume 3 SM-6 Stabilized Staging Area (SSA) Minimizing Long-Term Stabilization Requirements ■ Utilize off-site parking and restrict vehicle access to the site. ■ Use construction mats in lieu of rock when staging is provided in an area that will not be disturbed otherwise. ■ Consider use of a bermed contained area for materials and equipment that do not require a stabilized surface. ■ Consider phasing of staging areas to avoid disturbance in an area that will not be otherwise disturbed. See Detail SSA-1 for a typical stabilized staging area and SSA-2 for a stabilized staging area when materials staging in roadways is required. Maintenance and Removal Maintenance of stabilized staging areas includes maintaining a stable surface cover of gravel,repairing perimeter controls, and following good housekeeping practices. When construction is complete, debris,unused stockpiles and materials should be recycled or properly disposed. In some cases,this will require disposal of contaminated soil from equipment leaks in an appropriate landfill. Staging areas should then be permanently stabilized with vegetation or other surface cover planned for the development. SSA-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Stabilized Staging Area (SSA) SM-6 _ F SF/CF a SF,,CF� SSA <ONSWE i J Jf-1 CONSTRUCTION CONSTRUCTION " VEHICLE TRAILERS PARKING (IF NEEDED)., CONSTRUCTION SITE ACCESS � cn 3" MIN. THICKNESS t f , MATERIAL - GRANULAR MATERIAL STABILIZED 1 �+ STD'RAGE :. CONSTRUCTION AREA ., ENTRANCE (SEE cn DETAILS VTC—1 - TO VTC-3) , �— SILT FENCE OR CONSTRUCTION SF/CF SF/CF FENCING AS NEEDED EXISTING ROADWAY SSA- 1 . STABILIZED STAGING AREA STABILIZED STAGING AREA INSTALLATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF STAGING AREA(S). —CONTRACTOR MAY ADJUST LOCATION AND SIZE OF STAGING AREA WITH APPROVAL FROM THE LOCAL JURISDICTION. 2. STABILIZED STAGING AREA SHOULD BE APPROPRIATE FOR THE NEEDS OF THE SITE. OVERSIZING RESULTS IN A LARGER AREA TO STABILIZE FOLLOWING CONSTRUCTION. 3. STAGING AREA SHALL BE STABILIZED PRIOR TO OTHER OPERATIONS ON THE SITE. 4. THE STABILIZED STAGING AREA SHALL CONSIST OF A MINIMUM 3" THICK GRANULAR MATERIAL. 5. UNLESS OTHERWISE SPECIFIED BY LOCAL JURISDICTION, ROCK SHALL CONSIST OF DOT SECT. #703, AASHTO #3 COARSE AGGREGATE OR 6" (MINUS) ROCK. 6. ADDITIONAL PERIMETER BMPs MAY BE REQUIRED INCLUDING BUT NOT LIMITED TO SILT FENCE AND CONSTRUCTION FENCING. STABILIZED STAGING AREA MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREOUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPs IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs NAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. ROCK SHALL BE REAPPLIED OR REGRADED AS NECESSARY IF RUTTING OCCURS OR UNDERLYING SUBGRADE BECOMES EXPOSED. November 2010 Urban Drainage and Flood Control District SSA-3 Urban Storm Drainage Criteria Manual Volume 3 SM-6 Stabilized Staging Area (SSA) STABILIZED STAGING AREA_MAINTENANCE_NOTES 5. STABILIZED STAGING AREA SHALL BE ENLARGED IF NECESSARY TO CONTAIN PARKING, STORAGE, AND UNLOADING/LOADING OPERATIONS. 6. THE STABILIZED STAGING AREA SHALL BE REMOVED AT THE END OF CONSTRUCTION. THE GRANULAR MATERIAL SHALL BE REMOVED OR, IF APPROVED BY THE LOCAL JURISDICTION, USED ON SITE, AND THE AREA COVERED WITH TOPSOIL, SEEDED AND MULCHED OR OTHERWISE STABILIZED IN A MANNER APPROVED BY LOCAL JURISDICTION. NOTE: MANY MUNICIPALITIES PROHIBIT THE USE OF RECYCLED CONCRETE AS GRANULAR MATERIAL FOR STABILIZED STAGING AREAS DUE TO DIFFICULTIES WITH RE-ESTABLISHMENT OF VEGETATION IN AREAS WHERE RECYCLED CONCRETE WAS PLACED. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (OETAILS AOAPTEO FROu OOWLAS COLFNTY, COLORADO, NOT AVAELABLE iN AUTOCAD) SSA-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Stockpile Management (SP) MM-2 Description Stockpile management includes measures to minimize erosion and sediment transport from soil stockpiles. , Appropriate Uses ,_. Stockpile management should be used f �s� when soils or other erodible materials _ are stored at the construction site. ti Special attention should be given to stockpiles in close proximity to natural or manmade storm systems. Photograph SP-1. A topsoil stockpile that has been partially Design and Installation revegetated and is protected by silt fence perimeter control. Locate stockpiles away from all drainage system components including storm sewer inlets. Where practical,choose stockpile locations that that will remain undisturbed for the longest period of time as the phases of construction progress. Place sediment control BMPs around the perimeter of the stockpile, such as sediment control logs,rock socks, silt fence, straw bales and sand bags. See Detail SP-1 for guidance on proper establishment of perimeter controls around a stockpile. For stockpiles in active use,provide a stabilized designated access point on the upgradient side of the stockpile. Stabilize the stockpile surface with surface roughening,temporary seeding and mulching, erosion control blankets, or soil binders. Soils stockpiled for an extended period(typically for more than 60 days) should be seeded and mulched with a temporary grass cover once the stockpile is placed(typically within 14 days). Use of mulch only or a soil binder is acceptable if the stockpile will be in place for a more limited time period(typically 30-60 days). Timeframes for stabilization of stockpiles noted in this fact sheet are "typical" guidelines. Check permit requirements for specific federal,state, and/or local requirements that may be more prescriptive. Stockpiles should not be placed in streets or paved areas unless no other practical alternative exists. See the Stabilized Staging Area Fact Sheet for guidance when staging in roadways is unavoidable due to space or right-of-way constraints. For paved areas,rock socks must be used for perimeter control and all inlets with the potential to receive sediment from the stockpile(even from vehicle tracking)must be protected. Maintenance and Removal Inspect perimeter controls and inlet protection in accordance with their respective BMP Fact Sheets. Where seeding,mulch and/or soil binders are used,reseeding or reapplication of soil binder may be necessary. When temporary removal of a perimeter BMP is necessary Stockpile Management to access a stockpile,ensure BMPs are reinstalled in Functions accordance with their respective design detail section. Erosion Control Yes Sediment Control Yes Site/Material Management Yes November 2010 Urban Drainage and Flood Control District SP-1 Urban Storm Drainage Criteria Manual Volume 3 MM-2 Stockpile Management (SM) When the stockpile is no longer needed,properly dispose of excess materials and revegetate or otherwise stabilize the ground surface where the stockpile was located. SP-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Stockpile Management (SP) MM-2 S P 3.0' MIN STOCKPILE A SILT FENCE (SEE SF DETAIL FOR INSTALLATION REQUIREMENTS) STOCKPILE PROTECTION PLAN MAXIMUM 2 SILT FENCE (SEE SF DETAIL FOR 1 INSTALLATION REQUIREMENTS) SECTION A SP- 1 . STOCKPILE PROTECTION STOCKPILE PROTECTION INSTALLATION NOTES 1. SEE PLAN VIEW FOR: -LOCATION OF STOCKPILES. -TYPE OF STOCKPILE PROTECTION. 2. INSTALL PERIMETER CONTROLS IN ACCORDANCE WITH THEIR RESPECTIVE DESIGN DETAILS. SILT FENCE IS SHOWN IN THE STOCKPILE PROTECTION DETAILS: HOWEVER, OTHER TYPES OF PERIMETER CONTROLS INCLUDING SEDIMENT CONTROL LOGS OR ROCK SOCKS MAY BE SUITABLE IN SOME CIRCUMSTANCES. CONSIDERATIONS FOR DETERMINING THE APPROPRIATE TYPE OF PERIMETER CONTROL FOR A STOCKPILE INCLUDE WHETHER THE STOCKPILE IS LOCATED ON A PERVIOUS OR IMPERVIOUS SURFACE, THE RELATIVE HEIGHTS OF THE PERIMETER CONTROL AND STOCKPILE, THE ABILITY OF THE PERIMETER CONTROL TO CONTAIN THE STOCKPILE WITHOUT FAILING IN THE EVENT THAT MATERIAL FROM THE STOCKPILE SHIFTS OR SLUMPS AGAINST THE PERIMETER, AND OTHER FACTORS. 3. STABILIZE THE STOCKPILE SURFACE WITH SURFACE ROUGHENING, TEMPORARY SEEDING AND MULCHING, EROSION CONTROL BLANKETS, OR SOIL BINDERS. SOILS STOCKPILED FOR AN EXTENDED PERIOD (TYPICALLY FOR MORE THAN 60 DAYS) SHOULD BE SEEDED AND MULCHED WITH A TEMPORARY GRASS COVER ONCE THE STOCKPILE IS PLACED (TYPICALLY WITHIN 14 DAYS). USE OF MULCH ONLY OR A SOIL BINDER IS ACCEPTABLE IF THE STOCKPILE WILL BE IN PLACE FOR A MORE LIMITED TIME PERIOD (TYPICALLY 30-60 DAYS). 4. FOR TEMPORARY STOCKPILES ON THE INTERIOR PORTION OF A CONSTRUCTION SITE, WHERE OTHER DOWNGRADIENT CONTROLS, INCLUDING PERIMETER CONTROL, ARE IN PLACE, STOCKPILE PERIMETER CONTROLS MAY NOT BE REQUIRED. November 2010 Urban Drainage and Flood Control District SP-3 Urban Storm Drainage Criteria Manual Volume 3 MM-2 Stockpile Management (SM) STOCKPILE PROTECTION MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPS IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. STOCKPILE PROTECTION MAINTENANCE NOTES 4. IF PERIMETER PROTECTION MUST BE MOVED TO ACCESS SOIL STOCKPILE. REPLACE PERIMETER CONTROLS BY THE END OF THE WORKDAY. 5. STOCKPILE PERIMETER CONTROLS CAN BE REMOVED ONCE ALL THE MATERIAL FROM THE STOCKPILE HAS BEEN USED. (DETAILS ADAPTED FROM PARKER, COLORA00, NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. SP-4 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Stockpile Management (SP) MM-2 A POLY LINER SA— ® i i ® R BERM ORANGE SAFETY CONE SOIL/LANDSCAPE MATERIAL � m La POLY TARP No m K TARP ANCHOR 6" PVC PIPE FOR DRAINAGE IN FLOWLINE ® r CURB UNE ROAD CL TARP ANCHOR (CINDER I POLY TARP BLOCK, OR 5 GALLON BUCKET OF WATER) ROADWAY 6' MAX. i POLY LINER BERM MATERIAL + %; (TRIANGULAR SILT DIKE, 6"MIN. I SEDIMENT CONTROL LOG, 1 6' MAX., MUST NOT 6" PVC PIPE ROCK SOCK, OR OTHER I BE LOCATED WITHIN WRAPPED MATERIAL) A DRIVE LANE SP-2. MATERIALS STAGING IN ROADWAY MATFRIALS STAGING IN ROADWAYS INSTAH ATION NOTES 1. SEE PLAN VIEW FOR —LOCATION OF MATERIAL STAGING AREA(S). —CONTRACTOR MAY ADJUST LOCATION AND SIZE OF STAGING AREA WITH APPROVAL FROM THE LOCAL JURISDICTION. 2. FEATURE MUST BE INSTALLED PRIOR TO EXCAVATION, EARTHWORK OR DELIVERY OF MATERIALS. 3. MATERIALS MUST BE STATIONED ON THE POLY LINER. ANY INCIDENTAL MATERIALS DEPOSITED ON PAVED SECTION OR ALONG CURB LINE MUST BE CLEANED UP PROMPTLY. 4. POLY LINER AND TARP COVER SHOULD BE OF SIGNIFICANT THICKNESS TO PREVENT DAMAGE OR LOSS OF INTEGRITY. 5. SAND BAGS MAY BE SUBSTITUTED TO ANCHOR THE COVER TARP OR PROVIDE BERMING UNDER THE BASE LINER. 6. FEATURE IS NOT INTENDED FOR USE WITH WET MATERIAL THAT WILL BE DRAINING AND/OR SPREADING OUT ON THE POLY LINER OR FOR DEMOLITION MATERIALS. 7. THIS FEATURE CAN BE USED FOR: —UTILITY REPAIRS. —WHEN OTHER STAGING LOCATIONS AND OPTIONS ARE LIMITED. —OTHER LIMITED APPLICATION AND SHORT DURATION STAGING. November 2010 Urban Drainage and Flood Control District SP-5 Urban Storm Drainage Criteria Manual Volume 3 MM-2 Stockpile Management (SM) MATERIALS STAGING IN ROADWAY MAINTENANCE NOTES 1. INSPECT SMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPS IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED, REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. INSPECT PVC PIPE ALONG CURB LINE FOR CLOGGING AND DEBRIS. REMOVE OBSTRUCTIONS PROMPTLY. 5. CLEAN MATERIAL FROM PAVED SURFACES BY SWEEPING OR VACUUMING. NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UDFCO STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. (DETAILS ADAPTED FROM AURORA, COLORADO) SP-6 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rock Sock (RS) SC-5 Description A rock sock is constructed of gravel that has been wrapped by wire mesh or a geotextile to form an elongated �! cylindrical filter. Rock socks are typically used either as a perimeter Mfgr' control or as part of inlet protection. ,�- When placed at angles in the curb line, rock socks are typically referred to as curb socks. Rock socks are intended to trap sediment from stormwater runoff that flows onto roadways as a result of _ construction activities. Appropriate Uses Photograph RS-1. Rock socks placed at regular intervals in a curb Rock socks can be used at the perimeter line can help reduce sediment loading to storm sewer inlets. Rock of a disturbed area to control localized socks can also be used as perimeter controls. sediment loading. A benefit of rock socks as opposed to other perimeter controls is that they do not have to be trenched or staked into the ground; therefore,they are often used on roadway construction projects where paved surfaces are present. Use rock socks in inlet protection applications when the construction of a roadway is substantially complete and the roadway has been directly connected to a receiving storm system. Design and Installation When rock socks are used as perimeter controls,the maximum recommended tributary drainage area per 100 lineal feet of rock socks is approximately 0.25 acres with disturbed slope length of up to 150 feet and a tributary slope gradient no steeper than 3:1. A rock sock design detail and notes are provided in Detail RS-1. Also see the Inlet Protection Fact Sheet for design and installation guidance when rock socks are used for inlet protection and in the curb line. When placed in the gutter adjacent to a curb,rock socks should protrude no more than two feet from the curb in order for traffic to pass safely. If located in a high traffic area,place construction markers to alert drivers and street maintenance workers of their presence. Maintenance and Removal Rock socks are susceptible to displacement and breaking due to vehicle traffic. Inspect rock socks for damage and repair or replace as necessary. Remove sediment by sweeping or vacuuming as needed to maintain the functionality of the BMP,typically when sediment has accumulated behind the rock sock to one-half of the sock's Rock Sock height. Functions Once upstream stabilization is complete,rock socks and Erosion Control No accumulated sediment should be removed and properly disposed. Sediment Control Yes Site/Material Management No November 2010 Urban Drainage and Flood Control District RS-1 Urban Storm Drainage Criteria Manual Volume 3 SC-5 Rock Sock (RS) R S 1J¢" (MINUS) CRUSHED ROCK ENCLOSED IN WIRE MESH 1 (MINUS) CRUSHED ROCK ENCLOSED IN WIRE MESH WIRE TIE ENDS l yc 7. 4. 4" TO 6" MAX AT 0" ON BEDROCK OR GROUND SURFACE CURBS, OTHERWISE HARD SURFACE, 2" 6 -10" DEPENDING IN SOIL ON EXPECTED SEDIMENT LOADS ROCK SOCK SECTION ROCK SOCK PLAN ANY GAP AT JOINT SHALL BE FILLED WITH AN ADEQUATE AMOUNT OF 1h" (MINUS) CRUSHED ROCK AND WRAPPED WITH ADDITIONAL WIRE MESH SECURED TO ENDS OF ROCK ROCK SOCK, REINFORCED SOCK. AS AN ALTERNATIVE TO FILLING JOINTS TYP BETWEEN ADJOINING ROCK SOCKS WITH CRUSHED ROCK AND 12" 12'. ADDITIONAL WIRE WRAPPING, ROCK SOCKS CAN BE OVERLAPPED (TYPICALLY 12-INCH OVERLAP) TO AVOID GAPS. m,s GRADATION TABLE SIEVE SIZE MASS PERCENT PASSING SQUARE MESH SIEVES ROCK SOCK JOINTING NO. 4 2 100 1z" 90 - too 1" 20 - 55 -y," 0 - 15 V. 0 - 5 ROCK SOCK INSTALLATION NOTES MATCHES SPECIFICATIONS FOR NO. 4 COARSE AGGREGATE FOR CONCRETE 1. SEE PLAN VIEW FOR: PER AASHTO M43. ALL ROCK SHALL BE -LOCATION(S', OF ROCK SOCKS. FRACTURED FACE, ALL SIDES. 2. CRUSHED ROCK SHALL BE 1}2` (MINUS) 1N SIZE WITH A FRACTURED FACE (ALL SIDES) AND SHALL COMPLY WITH GRADATION SHOWN ON THIS SHEET (1J6" MINUS). 3. WIRE MESH SHALL BE FABRICATED OF 10 GAGE POULTRY MESH, OR EQUIVALENT, WITH A MAXIMUM OPENING OF h", RECOMMENDED MINIMUM ROLL WIDTH OF 48" 4. WIRE MESH SHALL BE SECURED USING "HOG RINGS" OR WIRE TIES AT 6" CENTERS ALONG ALL JOINTS AND AT 2" CENTERS ON ENDS OF SOCKS. 5. SOME MUNICIPALITIES MAY ALLOW THE USE OF FILTER FABRIC AS AN ALTERNATIVE TO WIRE MESH FOR THE ROCK ENCLOSURE. RS- 1 . ROCK SOCK PERIMETER CONTROL RS-2 Urban Drainage and Flood Control District November 2010 Urban Storm Drainage Criteria Manual Volume 3 Rock Sock (RS) SC-5 ROCK SOCK MAINTENANCE NOTES 1. INSPECT BMPs EACH WORKDAY, AND MAINTAIN THEM IN EFFECTIVE OPERATING CONDITION. MAINTENANCE OF BMPs SHOULD BE PROACTIVE, NOT REACTIVE. INSPECT BMPs AS SOON AS POSSIBLE (AND ALWAYS WITHIN 24 HOURS) FOLLOWING A STORM THAT CAUSES SURFACE EROSION, AND PERFORM NECESSARY MAINTENANCE. 2. FREQUENT OBSERVATIONS AND MAINTENANCE ARE NECESSARY TO MAINTAIN BMPS IN EFFECTIVE OPERATING CONDITION. INSPECTIONS AND CORRECTIVE MEASURES SHOULD BE DOCUMENTED THOROUGHLY. 3. WHERE BMPs HAVE FAILED. REPAIR OR REPLACEMENT SHOULD BE INITIATED UPON DISCOVERY OF THE FAILURE. 4. ROCK SOCKS SHALL BE REPLACED IF THEY BECOME HEAVILY SOILED, OR DAMAGED BEYOND REPAIR. 5. SEDIMENT ACCUMULATED UPSTREAM OF ROCK SOCKS SHALL BE REMOVED AS NEEDED TO MAINTAIN FUNCTIONALITY OF THE 8MP, TYPICALLY WHEN DEPTH OF ACCUMULATED SEDIMENTS IS APPROXIMATELY 1 OF THE HEIGHT Of THE ROCK SOCK. 6. ROCK SOCKS ARE TO REMAIN IN PLACE UNTIL THE UPSTREAM DISTURBED AREA IS STABILIZED AND APPROVED BY THE LOCAL JURISDICTION. 7. WHEN ROCK SOCKS ARE REMOVED, ALL DISTURBED AREAS SHALL BE COVERED WITH TOPSOIL. SEEDED AND MULCHED OR OTHERWISE STABILIZED AS APPROVED BY LOCAL JURISDICTION. (DETAIL ADAPTED FROM TOWN OF PARKER, COLORADO AND CITY OF AURORA, COLORADO, NOT AVAILABLE IN AUTOCAD) NOTE: MANY JURISDICTIONS HAVE BMP DETAILS THAT VARY FROM UOFCD STANDARD DETAILS. CONSULT WITH LOCAL JURISDICTIONS AS TO WHICH DETAIL SHOULD BE USED WHEN DIFFERENCES ARE NOTED. NOTE: THE DETAILS INCLUDED WITH THIS FACT SHEET SHOW COMMONLY USED, CONVENTIONAL METHODS OF ROCK SOCK INSTALLATION IN THE DENVER METROPOLITAN AREA. THERE ARE MANY OTHER SIMILAR PROPRIETARY PRODUCTS ON THE MARKET. UDFCD NEITHER NDORSES NOR DISCOURAGES USE OF PROPRIETARY PROTECTION PRODUCTS; HOWEVER, IN THE EVENT PROPRIETARY METHODS ARE USED, THE APPROPRIATE DETAIL FROM THE MANUFACTURER MUST BE INCLUDED IN THE SWMP AND THE BMP MUST BE INSTALLED AND MAINTAINED AS SHOWN IN THE MANUFACTURER'S DETAILS. November 2010 Urban Drainage and Flood Control District RS-3 Urban Storm Drainage Criteria Manual Volume 3 Appendix D — Inspection Report State Inspection Report Template Galloway&Company, Inc. Page 32 of 33 Appendix D: Stormwater Inspection Report Template Facility Name Permittee Date of Inspection Weather Conditions Permit Certification # Disturbed Acreage Phase of Construction Inspector Title Inspector Name Is the above inspector a qualified stormwater manager? YE= NO (permittee is responsible for ensuring that the inspector is a qualified stormwater manager) INSPECTION FREQUENCY Check the box that describes the minimum inspection frequency utilized when conducting each inspection At least one inspection every 7 calendar days 0 At least one inspection every 14 calendar days, with post-storm event inspections conducted within 0 24 hours after the end of any precipitation or snowmelt event that causes surface erosions • This is this a post-storm event inspection. Event Date: 0 Reduced inspection frequency - Include site conditions that warrant reduced inspection frequency 0 • Post-storm inspections at temporarily idle sites 0 • Inspections at completed sites/area 0 • Winter conditions exclusion 0 Have there been any deviations from the minimum inspection schedule? YES NO If yes, describe below. 0 0 INSPECTION REQUIREMENTS* i. Visually verify all implemented control measures are in effective operational condition and are working as designed in the specifications ii. Determine if there are new potential sources of pollutants iii. Assess the adequacy of control measures at the site to identify areas requiring new or modified control measures to minimize pollutant discharges iv. Identify all areas of non-compliance with the permit requirements, and if necessary, implement corrective action *Use the attached Control Measures Requiring Routine Maintenance and Inadequate Control Measures Requiring Corrective Action forms to document results of this assessment that trigger either maintenance or corrective actions AREAS TO BE INSPECTED Is there evidence of, or the potential for, pollutants leaving the construction site boundaries, entering the stormwater drainage system or discharging to state waters at the following locations? If "YES" describe discharge or potential for discharge below. NO YES Document related maintenance, inadequate control measures and corrective actions Inadequate Control Measures Requiring Corrective Action form Construction site perimeter 0 0 All disturbed areas 0 0 Designated haul routes 0 0 Material and waste storage areas 0 0 exposed to precipitation Locations where stormwater has the 0 0 potential to discharge offsite Locations where vehicles exit the site 0 0 Other: 0 0 31 AV rOLOBAOO Hewn oE�m c N v +' > O 4 G1 O p E o ++ O v N U v E c u o E v in w v v � �� 4- v o a 75 � wo a u O c Z �a C 0 N o 4-J E Ln A a, � L N L E Q� � O N �--� � V L j U L v 7 L W o rp U v u Z u v Z o 0 W L O +� QJ 4-1H Z aUi 03 O Q c C: U on V) 4� Z LLJ ° ra a, v E CL p o ro an p N E L V N Z a N Q1 O M ) +� d = v N J w m N m N M aI W E v E N o O o C- � U W Ov "O a v O > O E v- N N W o o p ,� F- 4L = � Z .E U v O O L Uo � Q / / / @ ƒ © _ � 4 2 E E 3 E o E E ram \ o o i E � k \ � w w a \ q o o QQj ° c / 4 m 4- J �5 / / wf � 2 » � { / k � w Q w 13 § 7 \ 7 u � 0 fa4- ~ § > ) 7k \ § \ kW E 9 13 0 13 '0 0 / � E 2 y — Ln _ / . 4-1 0 a) LA \ ./ a 0 § \ m § D \ a) % § � B o 2 t / / / / / U 0 2 S LA u / 2 § 2 / c co ° 2E / o L § � ) ƒ ) u E CL ® § ® ® / > .E u 2 $ E (U F g2 & o w y 5 / / a) � ogu � E37 § � g 0 5 �ƒ aj 41 � 7aj m Ln 'E -0 � � / / fa $ 0 — .- � Cy a c LU � $ Ef/ / V / � cu c3 § w k \ � \ q � o Q a u \ ± 2Ln � / § § \ E 2 w fE ¥ E o _j § ( ƒ / § 4-1 O § 3c * u E o = Q g E o u o u � Q0 ) % fu a § 0\ \0 � 4-1� ( § �. / 7 ( v E 2 L, § k � u ° § O 'E r E M 0 t � (U V o .[ 00 <- < .E o vi an C i a, v rC O 6 L l6 Ln o J � 3 c 3 LN ate, Ls E C u c v U Ln L O N 'O O z p O N t L 4J O 0 v m30 c ro on u c c c36 'O } z — -00 LA 0 LnE a' EE a, roc a L E N �+ dd Ou LnQ E0r, O Lu _O -0 p = H L M u L a1 N o >- U N a) N 4--+ +L, c c O a! ro (a0 t0 O G O Oro u O 0 v N +� N L a1 U a rp N Z E m O C d1 Z O LPL � JJ � a1 a O�lI N ON ,� E QJ Ln ro L L O +� _0 v c a! E 3 or°n v a) O c i+ f1 +.� v LJ +,' U C a) .N a., N c E0 L > a) a) O Q U E v E a, �a � c O c L cc a w 'CEC O u O c O > 3 � 4J c on O U ° Ln c a, a, c ai � o 0 3 Yo> Ny ooO uLn ova' � v ao c 4-1c E >, cL o " " L _ _ o a3�. a, m w v u co c C. a) S N O L N U O L a, - �, -v v a, c �+ o r L a., v u aC., O � on c � c L � O } Qj o 0 v c c w %D -a � a, � c N v ,c -o c o v u ' v on 4-1 a) J a1 a. !EX E v, O c T i 3cooiA � 'L 3 on v a w� m N ° ti Q w N a, 0 .c L L 'u a = � '~L O C N •� oa 3 -0 -0 v o !a ucaL�� c cv o (U . u .- ;, a S 21 ou c 4, E c °)c a ��° .E E `6 ao Ot� U0 E 3 = oa LA a E v E L o c o c as E E O o z o a) U N O ' U a-, +, O c u c3 c0 � '=°o Os ro c CLn v + L c> O m = o03 p cO 0wo u 3v O > . o T N o on ocn a Z c is on E U a p v a c c W o_ E w e E M ra • +' N c .L = -0 L J N N > + U 4+ v o > c N o � � c .E +, 4-, J 3 L L o N O Q) +, M M X c c > CY= w uEcE `ULn r° > > c 0 = c L M L �' W E E v � a c E v v o L L Ln on -Q O Z v E u E -0 u � a E � uo � � v ,. � > CL a, v H EJ cwu o ^ z 0 0 0 E E r° � � L (d N O c O � a-J a) pa aN E z �- r z c c U a, u w � o '� a = a After adequate corrective action(s) and maintenance have been taken, or where a report does not identify any incidents requiring corrective action or maintenance, the individual(s) designated as the Qualified Stormwater Manager, shall sign and certify the below statement: "I verify that, to the best of my knowledge and belief, all corrective action and maintenance items identified during the inspection are complete, and the site is currently in compliance with the permit." Name of Qualified Stormwater Manager Title of Qualified Stormwater Manager Signature of Qualified Stormwater Manager Date Notes/Comments Appendix E — Spill and Prevention Control Spill Prevention and Control Plan Site Spill Log Galloway&Company, Inc. Page 33 of 33 Ga Owaeenwood Plaza Blvd.,Suite 200 GreenwoodGree I Green Village,CO 80111 303.770.8884- GallowayUS.com SPILL PREVENTION AND CONTROL PLAN Whenever significant quantities of fuels, materials, vehicle fluids, or other pollutants are to be used on site, specific procedures for material containment and spill prevention shall be developed and implemented. Introduction The following Spill Prevention and Response Plan shall be implemented during the construction of improvements at Bloom Commercial and associated thereto. This plan will be implemented to meet the requirements of the City of Fort Collins (COFC) and the State of Colorado. Materials On-Site Spill control procedures will be implemented when materials are stockpiled or when chemicals and/or fluids are used in the construction area. Stockpiles of Dry Materials The following spill prevention procedures shall be implemented: All materials shall be stockpiled in designated areas,with control measures used to reduce and minimize the runoff of contaminants. Control measures such as silt fence and sediment control logs will be installed according to COFC criteria using the details shown on the SWMP plans. Loading and unloading operations shall be performed in a manner to limit materials from being spilled. Any spilled materials shall be swept up immediately after the operations are performed. Vehicle Fueling The following spill prevention procedures shall be implemented: All vehicle fueling will be done off-site as much as possible. All on-site fueling operations will be performed in designated areas. Measures will be taken where necessary to reduce and minimize spills during vehicle fueling operations. These measures may include the placement of a temporary berm around the fueling area, covering the fueling area under a temporary portable structure, and/or the placement of drip pans under valves and tank openings. Berms will be constructed around all fueling areas. An adequate supply of absorbents will also be stockpiled at each fueling area. Routine Vehicle and Equipment Maintenance The following spill prevention procedures shall be implemented: All vehicle maintenance will be performed off-site when possible. However, there may be occasions where construction equipment and vehicles may break down at the site and on-site repairs are more feasible. On-site vehicle and equipment maintenance, if needed, will be performed in designated areas, where practical,and enclosed by earthen berms.All maintenance areas will maintain an adequate supply of drip pans. These pans will be placed underneath vehicles as needed and absorbents will be used in the event of a minor spill or leak. SPILL RESPONSE Galloway&Company, Inc. Page 1 of 5 NOTE: IN CASE OF FIRE, EVACUATE ALL PERSONNEL FROM THE IMMEDIATE AREA, RENDER FIRST AID TO ANYONE WHO IS INJURED, AND DIAL 911 IMMEDIATELY. TAKE APPROPRIATE STEPS TO PROTECT HUMAN LIFE AND TO CONTROL FIRES FIRST. SPILL CONTROL IS A SECONDARY CONCERN. Cleanup and Removal Procedures • Upon detection of any spill,the first action to be taken is to ensure personal safety.All possible ignition sources, including running engines, electrical equipment (including cellular telephones, etc.), or other hazards will be immediately turned off or removed from the area. The extent of the spill and the nature of the spilled material will be evaluated to determine if remedial actions could result in any health hazards, escalation of the spill, or further damage that would intensify the problem. If such conditions exist, a designated employee will oversee the area of the spill and the construction supervisor will be notified immediately. • The source of the spill will be identified and if possible the flow of pollutants stopped if it can be done safely. However, no employee will attend to the source or begin cleanup of the spill until ALL emergency priorities (fire, injuries, etc.) have been addressed. Small Spills Small spills (usually<5 gallons)consist of minor quantities of gasoline, oil, anti-freeze, or other materials that can be cleaned up by a single employee using readily available materials. The following procedures shall be used for clean up of small spills: 1. Ensure personal safety, evaluate the spill, and if possible, stop the flow of pollutants. 2. Contain the spread of the spill using absorbents, portable berms,sandbags,or other available measures. 3. Spread absorbent materials on the area to soak up as much of the liquid as possible and to prevent or minimize infiltration into the soil. 4. Once the liquids have been absorbed, remove all absorbents from the spill and place the materials in a suitable storage container. On paved areas, wipe any remaining liquids from the surface and place the materials in a storage container. Do not spray or wash down the area using water. For open soil areas, excavate any contaminated soil as soon as possible and place the soil in a suitable storage container.All materials will then be transported off-site for disposal. 5. If immediate transfer and storage of the contaminated soil is not practical,excavate and place the contaminated soil on a double thickness sheet of 3-mil or higher polyethylene film. In addition, a small berm should be formed around the outer edges of the soil stockpile, underneath the polyethylene film, to ensure that contaminants are not washed from the site during precipitation events and that materials do not seep through the berm. 6. Record all significant facts and information about the spill, including the following: •Type of pollutant • Location •Apparent source • Estimated volume • Time of discovery • Actions taken to clean up spill Galloway&Company, Inc. Page 2 of 5 7. Notify the supervisor of the spill and provide the information from Item#6. The supervisor will then contact the City of Fort Collins and Larimer County. Medium to Large Spills Medium to large spills consist of larger quantities of materials (usually>5-25 gallons)that are used on site that cannot be controlled by a single employee. Generally, a number of facility personnel will be needed to control the spill and a response may require the suspension of other facility activities. The following procedure shall be used for the cleanup of medium to large spills: 1. Ensure personal safety, evaluate the spill, and if possible, stop the flow of pollutants. 2. Immediately dispatch a front-end loader or similar equipment to the spill and construct a berm or berms down gradient of the spill to minimize the spread of potential pollutants. On paved surfaces,portable berms,sandbags, booms,or other measures will be used to control the lateral spread of the pollutants. 3. When the spread of the spill has been laterally contained, contact the supervisor or designated facility employee and provide them information on the location, type, and amount of spilled material, and a briefing on the extent of the spread and measures undertaken to contain the contaminants. 4. Depending on the nature of the spill, mobilize additional resources as needed to contain the contaminants. 5. Cleanup will commence when the lateral spread has been contained and the notification to the supervisor has been made. 6. Freestanding liquid will be bailed or pumped into 55-gallon storage drums, steel tanks, or other suitable storage containers. When all the liquid has been removed from the pavement or soil layer, absorbents will be applied to the surface and transferred to the storage containers when they have soaked up as much of the spill as possible. 7. On paved surfaces, the remaining contaminants will be removed to the extent possible, with rags, sweeping, or similar measures. The area of the spill will not be sprayed or washed down using water. Any contaminant soaked materials will be placed into the storage containers with the other absorbents. 8. The remaining contaminated soils will be excavated and loaded into a dump truck(s) for disposal off-site at a designated facility. If transport off-site is not immediately available, the remaining soils will be stockpiled on a double thickness sheet of 3-mil or higher polyethylene film. In addition, a small berm will be formed around the outer edges of the soil stockpile, underneath the polyethylene film, to ensure that contaminants are not washed from the site during precipitation and do not seep through the berm. 9. Record all significant facts and information about the spill, including the following: • Type of pollutant • Location • Apparent source • Estimated volume • Time of discovery • Actions taken to clean up spill 10. Provide the supervisor (or designated employee) with the information from Item #9. The supervisor will then contact the City of Fort Collins and Larimer County. Galloway&Company, Inc. Page 3 of 5 NOTIFICATION Notification to the Colorado Department of Public Health & Environment(CDPHE) is required if there is any release or suspected release of any substance, including oil or other substances that spill into or threaten State waters. Unless otherwise noted, notifications are to be made by the supervisor and only after emergency responses related to the release have been implemented. This will prevent misinformation and assures that notifications are properly conducted. The notification requirements are as follows: 1. Spills into/or Threatens State Waters: Immediate notification is required for releases that occur beneath the surface of the land or impact or threaten waters of the State of threaten the public health and welfare. Notifications that will be made are: a. For any substance, regardless of quantity, contact CDPHE at 1-877-518-5608. State as follows: a) Give you name. b) Give location of spill (name of city). c) Describe the nature of the spill, type of products, and estimate size of spill. d) Describe type of action taken thus far, type of assistance or equipment needed. b. For any quantity of oil or other fluids, call the National Response Center at 1-800-424-8802. State as follows: a) Give your name. b) Give location of spill (name of city and state). c) Describe the nature of the spill, type of product, and estimate size of spill. d) Describe type of action taken thus far, type of assistance or equipment needed. 2. Reportable Quantity Spill on Land Surface: Immediate notification is required of a release upon the land surface of an oil in quantity that exceeds 25 gallons, or of a hazardous substance that equals or exceeds 10 pounds or its reportable quantity under Section 101(14) of the Comprehensive Environmental Response, Compensation Liability Act (CERCLA) of 1980 as amended (40 CFR Part 302) and Section 329c(F3)of the Emergency Planning and Community Right to Know Act of 1986 (40 CFR Part 355)whichever is less. This requirement does apply at a minimum to the substances listed in Table A below. TABLE A Substances Requiring Notification SUBSTANCE REPORTABLE QUANTITY Motor Oil 25 Gallons Hydraulic Oil 25 Gallons Gasoline/Diesel Fuel 25 Gallons The notification procedures to be followed are: a) Give your name. b) Give location of spill (name of city and state). c) Describe nature of the spill, type of product, and estimate size of spill. d) Describe type of action taken thus far, type of assistance or equipment needed. e) Give name of land owner f) Specify department responsible for any facilities that may be impacted 3. Notification is not required for release of oil upon the land surface of 25 gallons or less -that will not constitute a threat to public health and welfare, the environmental or a threat of entering the waters of the State. Galloway&Company, Inc. Page 4 of 5 4. Notification, as required in paragraphs 1 and 2 above, will be made to the CDPHE using the 24-hour telephone number to report environmental spills. All information known about the release at the time of discovery is to be included, such as the time of occurrence, quantity and type of material, location and any corrective or clean-up actions presently being taken. Table B lists these phone numbers. SPILL RESPONSE CONTACTS TABLE B Emergency Notification Contacts Name/Agency Name/Agency Number Fort Collins Fire Department 911 Fort Collins Police Department 911 Ambulance 911 Hospital 911 National Response Center 1-800-424-8802 CDPHE -Report Environmental Spills (24 1-877-518-5608 hrs/da Colorado Emergency Planning Committee 303-273-1622 An town County Sheriff's Office 970-416-1985 City of Fort Collins 970-221-6505 It is the responsibility of the supervisor to contact the City of Fort Collins, Larimer County,CDPHE,and/or the National Response Center. • The National Response Center is to be contacted when a release containing a hazardous substance or oil in an amount equal to or in excess of a reportable quantity established under either 40 CFR 110, 4- DFR 117, or 40CFR 302 occurs during a 24-hour period. • Notification to the CDPHE is required if there is any release or suspected release of any material, including oil or hazardous substances that spill into or threaten state waters. REPORTS The CDPHE requires written notification of a spill or discharge of oil or other substance that may cause pollution of the waters of the State of Colorado. A written report must be submitted to the Water Quality Control District (WQCD)within five days after becoming aware of the spill or discharge. The CDPHE requires a written final report within five days for all releases of an oil or hazardous substance that require implementation of a contingency plan. The CDPHE may also require additional reports on the status of the clean up until any required remedial action has been complete. Written notification of reports must contain at a minimum: 1. Date, time, and duration of the release. 2. Location of the release. 3. Person or persons causing and responsible for the release. 4. Type and amount of oil or substance released. 5. Cause of the release. 6. Environmental damage caused by the release. 7. Actions taken to respond, contain, and clean up the release. 8. Location and method of ultimate disposal of the oil or other fluids. 9. Actions taken to prevent a reoccurrence of the release. 10. Any known or anticipated acute or chronic health risks associated with the release. 11. When appropriate advice regarding medical attention necessary for exposed individuals. Galloway&Company, Inc. Page 5 of 5 Site Spill Log Site Location: General Contractor: Any site spill must be reported to the appropriate authorities in accordance with all applicable laws and regulations. Spills must also be reported to the owner's representative immediately, but no later than 24 hours of occurrence. Date/Time of Spill: Name/Title: Material Spilled and Approximate Quantity: Weather Conditions: Phase of Construction: (Clearing,Rough Grading,Building,Paving,Etc.) Contractor(s)Representatives Present: Containment Actions Taken and Authorities Notified: Date/Time of Spill: Name/Title: Material Spilled and Approximate Quantity: Weather Conditions: Phase of Construction: (Clearing,Rough Grading,Building,Paving,Etc.) Contractor(s)Representatives Present: Containment Actions Taken and Authorities Notified: Page of