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HomeMy WebLinkAboutDrainage Reports - 04/27/2016City of Ft. Collins oved Plans Approved By Date ENGINEERING Final Drainage and Erosion Control Report for Harmony Commons (Pond Only Portion) Fort Collins, Colorado January 20, 2016 January 20, 2016 Mr. Wes Lamarque City of Fort Collins Water Utilities --Storm water 700 Wood Street Fort Collins, Colorado 80521 RE: Final Drainage and Erosion Control Report for the Harmony Commons (Pond Only Portion) Dear Wes: We are pleased to submit to you, for your review and approval, this Final Drainage and Erosion Control Report for the Harmony Commons (Pond Only portion). All computations within this report have been completed in compliance with the City of Fort Collins Storm Drainage Design Criteria. We appreciate your time and consideration in reviewing this submittal. Please call if you have any questions. Respectfully, Aspen Engineering John Gooch, P.E. Principal TABLE OF CONTENTS PAGE I. GENERAL LOCATION AND DESCRIPTION 5 A. LOCATION 5 B. DESCRIPTION OF PROPERTY 5 H. DRAINAGE BASINS 5 A. MAJOR BASIN DESCRIPTION 5 B. EXISTING SUB -BASIN DESCRIPTION 6 III. DRAINAGE DESIGN CRITERIA 6 A. REGULATIONS 6 B. DEVELOPMENT CRITERIA REFERENCE AND CONSTRAINTS 7 C. HYDROLOGIC CRITERIA 7 D. HYDRAULIC CRITERIA g E. VARIANCE g IV. DRAINAGE FACILITY DESIGN g A. GENERAL CONCEPT g B. SPECIFIC DETAILS 9 C. DETENTION POND 10 D. STREET CAPACITIES 12 V. STORM WATER QUALITY 12 A. GENERAL CONCEPT & SPECIFIC DETAILS 12 VI. EROSION CONTROL 13 A. GENERAL CONCEPT 13 VII. CONCLUSIONS 13 A. COMPLIANCE WITH STANDARDS 13 B. DRAINAGE CONCEPT 14 C. STORM WATER QUALITY 14 D. EROSION CONTROL CONCEPT 15 E. EROSION CONTROL ESCROW ESTIMATE 15 REFERENCES 16 APPENDIX VICINITY MAP RATIONAL METHOD HYDROLOGY PAGE A POND CAPACITY CALCULATIONS & RATING CURVES, C OUTLET STRUCTURES & STORM SEWER PIPE SIZING, ORIFICE SIZING, & OVERFLOW WEIR SIZING RIPRAP, SWALE SIZING, & EROSION CONTROL CALCULATIONS D EROSION ESCROW E PROPOSED DRAINAGE BASIN EXHIBIT, EXHIBITS & EXCERPTS, F EROSION CONTROL PLAN, & EROSION CONTROL NOTES AND DETAILS SHEET FINAL DRAINAGE AND EROSION CONTROL REPORT FOR THE HARMONY COMMONS (POND ONLY PORTION) FORT COLLINS, COLORADO I. GENERAL LOCATION AND DESCRIPTION A. Location The Pond Only portion of the Harmony Commons development (referred to as "HTP Pond" here -forward) is bounded to the north by undeveloped land and Timberwood Drive, to the east by undeveloped land and Lady Moon Drive, to the south by undeveloped land and Precision Drive, and to the west by undeveloped land and Technology Parkway. The project site can also be described as situated in the northwest quarter of Section 4, Township 6 North,' Range 68 West of the 6`' P.M., of the City of Fort Collins, Larimer County, Colorado. Please refer to the vicinity map in Appendix A for the site location. B. Description of Property The HTP Pond project is comprised of an approximate 8.34 acre limits -of - development footprint area; however, for the purposes of this report, the HTP Pond project is being combined with the proposed developed portion of the Harmony Commons project and will account for approximately 21.08 acres (Basins 1-8) being conveyed to the proposed HTP Pond (Pond 100), located south of Timberwood Drive. Currently, the HTP Pond project area is undeveloped, irrigated agricultural land. The majority of existing topography of the HTP Pond site (and surrounding, internal future development area) generally slopes from the northwest to southeast at approximately 0.40%. U. DRAINAGE BASINS A. Maior Basin Description The site lies within the McClellands Basin. The site drainage has been previously accounted for in the Harmony Technology Park Site Master Plan (HTPSMP) and 5 HTP Infrastructure Improvements Project. The project drainage will be in conformance with these two studies, in which Masterplan information can be found in the East Harmony Portion of the McClellands Creek Master Drainage Plan (August 1999). Please also refer to the Final HTP Infrastructure drainage report for additional information, as may be applicable. B. Existing Sub -Basin Description The existing HTP Pond project site is contained within existing sub -basin EXl ofthe HTP Masterplan, and SWMM basins 401, 600, and 601 of the HTP* Masterplan report. Existing basin EX1 contains approximately 57.08 acres, and was modeled with the entire 57.08 acres having a'c' value of 0.32, with a 100-year runoff rate of approximately 72.86 cfs, for the historic condition of the basin. However, the HTP Masterplan Report specifies the HTP Pond site being contained within SWMM Basins 401, 600, and 601 (48.3 acres total) and being allowed a developed impervious value up to 80%, with all flow from the HTP Pond and associated future, adjacent development within the said basins allowed to release at a combined release rate of 17 cfs (or approximately 0.35 cfs/acre for the 48.3 acres, per the SWMM Model, for attributing basins). The runoff from the existing site basin area of the Pond Only portion of the Harmony Commons project flows primarily from northwest to southeast across the existing agricultural field, with the majority of runoff infiltrating into the existing field. During irrigation of the existing field, additional runoff flows to the southeast and in to existing tailwater pits, located along the west side of Lady Moon Drive. The runoff is conveyed east in existing irrigation/storm sewer pipe and into the storm line in Lady Moon Drive. Please refer to the HTPMSP report for masterplan details (excerpts can be found in Appendix F of this report). Please also see the rational calculations (Appendix B) and the drainage exhibit (Appendix F) of this report for the existing and proposed drainage basins for the subject site. M. DRAINAGE DESIGN CRITERIA A. Reeulations Because the HTP Pond project is being constructed with the associated, proposed Harmony Commons development, water quality and detention pond calculations are required and have been provided for the associated 21.08 acres of development (basins 1-8) anticipated to occur with the Harmony Commons project. 201 1: It's important to note that proposed Pond 100 (combined SWMM Ponds 101, 600, and 301) is anticipated to be a future, regional water quality and detention pond, and therefore has been sized to provide water quality and detention for 48.3 acres (as required by the HTP Masterplan), even though only 21.08 acres is anticipated for the Harmony Commons project. Future development, as well as the proposed Harmony Commons onsite development will be required to adhere to the McClellands Creek Master Drainage Plan and the Harmony Technology Park Site Master Plan (HTPSMP), as well as HTP Masterplan SWMM Model, which allows for a combined impervious ratio of 80% for the developed and associated, adjacent roadway portions for the attributing parcels. LID improvements are not required for the HTP Pond portion, as no development is occurring or being proposed with the HTP Pond only project portion. Please refer to the Harmony Commons onsite design and drainage report, by Interwest, for applicable LID improvements for the Harmony Commons development. B. Development Criteria Reference and Constraints The criteria and constraints from the City of Fort Collins will be met. Water quality and detention requirements have been provided by proposed Pond 100; however, additional BMP's and LID measures will be required and shall be provided by current and future development of adjacent parcels, with said parties providing applicable treatment, as required by the City of Fort Collins. C. Hydrologic Criteria The Rational Method for determining surface runoff was used for the Pond Only portion of Harmony Commons, as well as utilizing the rational calculation excerpt from the HTP Infrastructure Improvements project. The 2-year and 100-year storm event intensities were used in calculating runoff values to size Swale A. The City of Fort Collins intensity duration frequency curves were used to obtain rainfall data for each storm specified. 7 It's important to note that the current onsite portion of the Harmony Commons project, and future development of adjacent parcels will be required to meet the 80% impervious ratio for the developed condition of the parcels and associated, adjacent roadways, rather than match the rational `c' values shown in the rational calculations in Appendix B of this report. Rational calculations (and corresponding `c' values) shown in Appendix B of this report were used solely to size (possibly oversize) the storm sewer in Timberwood Drive and Technology Parkway to provide for future development of the adjacent parcels to the north and south of Timberwood Drive, and east and west of Technology Parkway to allow for future conveyance of those parcels to Pond 100 (ultimate condition), and for a second, future regional pond (or onsite pond) for the area west of Technology Parkway. D. Hydraulic Criteria All hydraulic calculations within this report have been prepared in accordance with the City of Fort Collins Drainage Criteria and are also included in the Appendix. Final storm sewer pipe, water quality and detention pond capacities, culverts, swale calculations, and riprap and erosion control calculations have been completed using UDSewer and UDInlet from UDFCD, as well as other spreadsheets and hydraulic software. Please refer to the appendices of this report, as well as the Final Drainage Report for the HTP Infrastructure Improvements for applicable and additional calculations. E. Variance No variances are being requested for the project. IV. DRAINAGE FACILITY DESIGN A. General Concept Ten proposed drainage basins (basins 1-10) will provide conveyance (or future conveyance, as applicable) of runoff to the proposed water quality and detention Pond 100, located south and north of Timberwood Drive and Precision Drive, respectively, and east and west of Technology Parkway and Lady Moon Drive, respectively. Pond 100 will provide water quality and detention for basins 1-8, and 10, with all basins allowed up to an 80% impervious ratio for each basin. Two outlet structures within Pond 100 will provide controlled releases (5 cfs to the west,12 cfs to the east), prior to runoff being directed downstream. Pond 100 provides approximately 12.79 acre-feet of combined water quality and detention volume for not only the 21.08 acres of the Harmony Commons project, but also for additional adjacent areas (total of 48.3 acres), per the HTP Masterplan. Pond 100 has been sized to detain up to the 100-year event, while receiving the 100-year flow from the 48.3 acre masterplan area (at 80% impervious ratio). Upon development of basins 1 and 8 (Harmony Commons), runoff from these two basins and adjacent runoff from basins 2-5 will be routed to Pond 100 via proposed storm sewer inlets and piping (from HTP Infrastructure Improvements project) and proposed Swale A, which is shown and contained within the HTP Pond plans. Upon future development of areas immediately south of Timberwood Drive, it is anticipated that Swale A will be replaced with a piped storm sewer system; however, this will be provided and shown with future development, as may be applicable. Please refer to the proposed drainage basin exhibit in Appendix F, and the rational and storm sewer pipe sizing calculations in Appendices B and C for the proposed roadway and HTP Pond portion areas, and also for the future development areas. B. Specific Details (The following basin information contains excerpts taken from HTP Infrastructure Improvements Final Drainage Report. Please also refer to the said report for additional information, as may be applicable.) Basin 1• A CDOT Type C Inlet with close mesh grate will be installed at design point 1 to provide an outfall for the future development of the parcel in this area. The CDOT Type C Inlet will also serve as the outfall point for the median underdrain that will be installed under the median in Technology Parkway with the HTP Infrastructure Improvements project. Future development of Basin 1 shall provide for runoff being conveyed to the CDOT Type C Inlet. Basins 2 & 3• Proposed 5' Type R Inlets will be placed at design points 2 and 3 to capture runoff from basins 2 and 3. Runoff will combine with that from Basin 1 (as may be applicable) and will be conveyed east in the proposed storm sewer system towards design point 3A. Runoff will flow south in Swale A and in to Pond 100. Please refer to the drainage exhibit for cross-section information and sizing of Swale A. Basins 4 & 5• Proposed 5' Type R Inlets will be placed at design points 4 and 5 to capture runoff from basins 4 and 5. Runoff from basins 4 and 5 is conveyed south in the proposed r-� storm sewer system and into an interim cobble pit on the south side of Timberwood Drive, which will be constructed with the HTP Infrastructure Improvements project. Future development in this area (south of Timberwood Drive) will extend the pipe (or provide a swale system) to Pond 100, as approved by MAVDevelopment. Basins 6 & 7• Basins 6 and 7 will convey their runoff east along a short segment of Timberwood Drive, then north and south, respectively, down Lady Moon Drive and into the existing inlets and storm system in Lady Moon Drive, as historically occurs. Basin 8• Two, 2' x 5' RCB's will be installed at design point 8 to serve as an outfall for the development of basins I and 8, and the associated Harmony Road and Lady Moon Drive frontage to basin 8, as historically flows to and through parcel 8. The two, 2' x 5' RCB's will also serve the developed condition of the roadway for basins 2-3. Runoff from basins 1-3, and 8 will be conveyed to and through the two, 2' x 5' RCB's. The two, 2' x 5' RCB's have been modeled to carry ''/z of the attributing 100-year flow (for the future developed condition) from basin 8 (Qloo = 85.26 cfs), as well as the 100-year, routed flow from basins 2-3, and basin 1(for the future developed condition of basin 1: Qloo = 33.23 cfs). This provides for approximately 70.14 cfs being utilized to size the western 2' x 5' RCB. It's important to note that the runoff from basins 1-3 will only discharge to the westerly 2' x 5' RCB. The easterly 2' x 5' RCB will convey the remaining 42.63 cfs (other ''/z of the 100-year from basin 8) south under Timberwood Drive. Please refer to Interwest's plans for the upstream inlet structure(s) to be constructed and for connection details to the north end of the 2' x 5' RCB's. This measure will provide for the 100-year flow from basin 8 being conveyed under Timberwood Drive and to Pond 100. It's important to note that the combined imperviousness ratio for basin 8 shall not exceed 80%, as required by the HTP Masterplan. Basins 9 & 10: Runoff from basins 9 and 10 will be conveyed south down Timberwood Drive to proposed 10' Type R Inlets at design points 9 and 10. Runoff will be conveyed, via storm sewer pipes, east and west of Technology Parkway, to interim cobble pits (for the interim condition only). Runoff will infiltrate into the existing fields, as historically occurs. Future development east and west of basins 9 and 10 will be required to connect to the existing storm sewer stubs and extend the storm sewer systems to the Pond 100 and to a second regional pond or onsite pond for areas west of Technology Parkway, as may be applicable for these specific areas. 10 Please refer to the proposed drainage basin exhibit in Appendix F, and the rational and storm sewer pipe sizing calculations in Appendices B and C for the proposed roadway and HTP Pond portion areas, and also for the future development areas. Overflow Conditions: Should outlet structures, outlet pipes, or culverts become clogged, runoff will spill east-southeast and over the existing field, as historically occurs. C. Detention Pond Pond 100 has been sized to provide water quality and detention for not only the proposed 21.08 acres of the Harmony Commons project, but also for the future ultimate development (build -out) of the total 48.30 acre area, as shown in the HTP Masterplan, for SWMM basins 401, 600, and 601. Pond 100 will provide 12.79 acre- feet of combined water quality and detention volume (1.59 acre-feet of water quality), thus exceeding the 5.88 acre-feet of combined water quality and detention volume (0.69 acre-feet of water quality) required for the 21.08 acre build out of the attributable Harmony Commons project drainage basin areas. Please refer to Ultimate Pond 100 Rating curve in Appendix C for SWMM basin and cumulative pond sizing information. Pond 100 will allow for detention up to the 100-year event (for 48.3 acres of developed area) and will contain two outlet control structures. The east structure will be a water quality and outlet control structure and will have a water quality plate set to control and provide up to 1.59 acre-feet of water quality volume (for 48.30 acres) at an elevation of approximately 4904.70. (The 100-year WSEL for the 21.08 acre development (Harmony Commons) will be approximately 4906.40). The east structure will be a 100-year single stage box control structure with an orifice control plate at the back of the box over the entrance of the 24" RCP outlet pipe. Orifice sizing provides for the orifice plate utilizing an 11.52" diameter opening, thus discharging the allowable 12 cfs east and into the existing storm sewer system in Lady Moon Drive, as allowed by the HTP Masterplan. The second outlet structure will be located on the west side of Pond 100 and will entail a modified CDOT Type C inlet with close mesh grate and an orifice control plate constructed at the back of the box over the entrance of the 24" RCP outlet pipe. Orifice sizing provides for the orifice plate utilizing a 9.57" diameter opening, thus discharging the allowable 5 cfs west and into the storm sewer system in Technology Drive (constructed with the HTP Infrastructure Improvements project), as allowed by the HTP Masterplan. The structure and inlet grate shall be constructed to provide for the east side of the inlet grate set at 4906.00 and the west side of the inlet grate at an elevation of 4908.00. 11 It's important to note that the 100-year WSEL for Pond 100 for the ultimate build -out of the 48.3 acre masterplan area will be approximately 4908.25. Pond 100 and the east and west orifice control plates are being constructed for the ultimate build -out condition of the 48.30 acres at a combined impervious ratio of 80%. The emergency spillway has been sized and shall be constructed along the east side of Pond 100. The proposed spillway shall be 103' wide, with a bottom -of -weir overflow elevation of 4909.66. The top -of -weir elevation will be 4910.66, thus providing a weir flow depth (free -board depth) of approximately 1.0' (overflow is anticipated to reach a depth of approximately 0.82' for the estimated 100-year flow of 231.84 cfs for 48.3 acres at c=0.80, I = 6in/hr). Should Pond 100 overtop, flows will spill east-southeast and over the existing field, as historically occurs. Future development east/ southeast of the regional detention pond shall be designed to ensure a positive overflow path to the east and into Lady Moon Drive. D. Street Capacities Street capacity calculations were provided for in the HTP Infrastructure Improvements Final Drainage Report. Please refer to this report for details on applicable roads. V. STORM WATER QUALITY A. General Concept & Specific Details The water quality aspect of stormwater runoff must be addressed on all final utility plans. Therefore, the proposed water quality/ detention pond (Pond 100) will have adequate capacity, in accordance with the HTP S WMM Model, and will provide all of the required water quality and detention up to the 100-year event for the developed condition of the subject site (Harmony Commons) and offsite adjacent areas (up to an impervious ratio of 80% for onsite parcel areas and associated, adjacent roadways) (total of 48.3 acres), prior to releasing flows downstream. Best Management Practices (BMP's) for the treatment of stormwater will be provided in the HTP Pond area through the utilization of grass scrubbing across the bottom of Pond 100 during first flush conditions, as well as a 40-hour extended detention structure with orifice control (east side of Pond 100) and a secondary orifice outlet control structure (west side of Pond 100). These water quality features/structures will provide a mechanism for pollutants to settle out of the stormwater runoff before flows are directed downstream to the McClelland's Drainage Basin. 12 Best Management Practices (BMP's) for the treatment of stormwater runoff shall also be provided with development of future, adjacent parcels and may include grass/ sod - lined swales with soft pans, riprap pads at culvert discharge points, permanent erosion control fabric or riprap at curb cuts and swale entrances into the future, regional or onsite pond(s), and grass scrubbing across the bottom of the future, regional water quality and detention pond(s) during first flush conditions. Please refer to plans by Interwest for onsite BMP's and LID's for the Harmony Commons project, and future plans by others for other BMP's and LID's attributable to future, development basins/areas. VI. EROSION CONTROL A. General Concept The subject site lies within the Moderate Rainfall Erodibility Zone and the Moderate Wind Erodibility Zone per the City of Fort Collins zone maps. The potential exists for erosion problems during construction, but should be minimal after completion of proposed Pond 100. Silt fence will be installed along the boundaries of the grading areas, as shown in the erosion control plan, to prevent sediment from leaving the project area. A gravel tracking pad(s) will also be placed at entrances/exits to the HT? Pond area(s). Gravel inlet filters may be placed at nearby existing and proposed inlets and outlet structures, with straw wattles installed in green areas and swales to mitigate the build-up of sediment and transport of debris. Riprap and erosion control fabric will also be utilized at concentration points (riprap pads and pipe outlets) to minimize erosion and increase soil stabilization. VII. CONCLUSIONS A. Compliance with Standards All computations within this report have been completed in compliance with the City of Fort Collins Storm Drainage Design Criteria. The City of Fort Collins Storm water Utility will not maintain the private storm drainage facilities within offsite parcels. The owners of the offsite parcels will maintain their on -site storm drainage facilities on a regular basis. The following shall be implemented for the private stormwater improvements' operations/ maintenance procedures for the project on an annual or bi-annual basis: 1) Storm Sewer Inlets, pipes and flared -end -sections, curb cuts and concrete sidewalk culverts/chases, structures, manholes, and the water quality/ outlet 13 control structures, as may be applicable, shall be cleaned through the removal of debris and sediment from the associated items to allow for adequate drainage through the site to the interim facilities. 2) Sedimentation/ silting shall be removed to allow for adequate drainage along the bottom of the swales. 3) Re -vegetation through the use of Natural Seeding/ Sod shall be provided for disturbed areas and other permanent erosion controls shall be provided for areas where erosion has taken place and requires remediation back to the proposed condition shown in the plans The Stormwater Operating/ Maintenance Procedures listed above are guidelines to the minimum procedures that shall be implemented for the HTP Pond project, with these and additional measures being utilized on an as -needed basis. B. Drainage Concept The proposed drainage concepts presented in this study and shown on the utility plans, as well as that from the HTP Infrastructure Improvements project, adequately provide for the transmission of developed runoff from the proposed HTP Pond development and adjacent roadway improvements to Pond 100. Future development will provide for the removal of applicable cobble pits and shall extend storm sewer piping to Pond 100, as applicable. Runoff for all other areas will provide for the 100-year developed (and historic) flows and drainage patterns from adjacent offsite basins to continue to be conveyed to discharge points, per the HTP drainage Masterplan, or as historically occurs, and to drainage facilities, as required by the HTP Masterplan, and subsequent plans and reports. If groundwater is encountered at the time of construction, a Colorado Department of Health Construction Dewatering Permit will be required. C. Storm Water Ouality The final design for the Pond Only portion of the Harmony Commons project has addressed the water quality aspect of stormwater runoff. The proposed grass -lined detention pond with extended detention and water quality and outlet control structures will provide an opportunity for stormwater pollutants to filter out of the stormwater runoff before flows are directed downstream. 14 Furthermore, the proposed grass -sod -lined swale, riprap pads at culvert outlets, permanent erosion control fabric and other erosion control devises that may be utilized for side -slopes and embankments will provide additional mechanisms for pollutants to settle out of the stormwater runoff before flows are directed south and ultimately to Fossil Creek Reservoir Current proposed development for the onsite portion of the Harmony Commons project and other adjacent and future development shall also provide fmal design which addresses the LID and BUT aspects of stormwater runoff. Please refer to onsite plans and onsite drainage report, by Interwest, for the applicable onsite portion for the Harmony Commons project. It's important to note that in the interim condition for undeveloped land adjacent to Pond 100, runoff will flow historically across the agricultural field areas and is anticipated to infiltrate into the soil, thus maintaining water quality for the area. Please also refer to the HT? Infrastructure Improvements Final Drainage and Erosion Control Report for additional information regarding adjacent areas that will be treated and routed to Pond 100, once development occurs. D. Erosion Control Concept Proposed erosion control concepts have been provided for and adequately provide for the control of wind and rainfall erosion from the HTP Pond development. Through the construction of the proposed erosion control concepts, the City of Fort Collins performance standards will be met. The proposed erosion control concepts presented in this report and shown on the erosion control plan are in compliance with the City of Fort Collins Erosion Control Criteria. Erosion Control Escrow Estimate The Erosion Control Escrow Estimate for the Pond Only portion of the Harmony Commons is approximately $30,159.00. Please refer to Appendix E for this calculation. 15 REFERENCES 1. Storm Drainage Design Criteria and Construction Standards by the City of Fort Collins, Colorado, May 1984, Revised January 1997. 2. Erosion Control Reference Manual for Construction Sites by the City of Fort Collins, Colorado, January 1991, Revised January 1997. 3. East Harmony Portion of McClellands Basin 100-Year Master Plan, by Icon Inc., Fort Collins, Colorado, August 1999. 4. Final Drainage and Erosion Control Report, Harmony Technology Park 2nd Filing, by JR Engineering, June 20, 2001. 5. 2004 High School Drainage and Erosion Control Study, Poudre School District R-1, by Nolte Associates, Inc., June 24, 2002. 6. Final Drainage and Erosion Control Report, Harmony Technology Site Master Plan, by Stantec Consulting, May 19, 2008. 7. Final Drainage and Erosion Control Study for Harmony Technology Park Third Filing, by Stantec Consulting, May 19, 2008. 8. Final Drainage and Erosion Control Report for the Harmony Technology Park Infrastructure Improvements, by Aspen Engineering, November 4, 2015. 16 APPENDIX 17 APPENDIX A 18 VICINITY MAP 19 VICINITY MAP APPENDIX B 20 RATIONAL METHOD HYDROLOGY (Excerpt from HTP Infrastructure Improvement Project) 21 E (BE414 ExcERDr F ruFRAs��utTie2E t ?0AwE u4wm PR•oSECr ) Developed Weighted Runoff Coefficients Hamlony Tech Per* Fifth Filing 100.002 , • 1 0 0 168,000 0 29,025 197,025 0.80 2 0 10,793 4,495 0 3,288 18,576 0.81 3 0 10,700 4,457 0 3,260 18,417 0.81 4 0 7,540 3,141 0 2,296 12,977 0.81 5 0 7,647 3,185 0 2,330 13,162 0.81 6 0 2,252 938 0 665 3,875 0.81 7 0 2.252 938 0 685 3,875 0.81 8 0 0 550,000 0 100,412 650,412 080 9 0 73,542 13,808 0 14,933 102,284 0.84 10 0 64.034 13,006 0 13,276 90.316 0.84 1111Yota ] 1"1 %,VP!920,. Total Acreage 0.00 4,10 17.49 0.00 25.50 2 0 10,793 4,495 0 3,288 16,576 83% 3 0 10,700 4,457 0 3,260 18,417 83% 4 0 7.540 3,141 0 2,296 12,977 83% 5 0 7,647 3,185 0 2,330 13,162 83% 6 0 Z252 938 0 685 3,875 83% 7 0 2,252 938 0 685 3,875 83% 8 0 0 550.000 0 100,412 650,412 85% 9 0 73,542 13,808 0 14.933 102,284 86% to 0 64.034 13.006 0 to 77R ona1R ucec Land Use or surface Charctarts9es Percent ho melon Brahma: commercial arms 96 hborhood eras s5 ft"MerdYb sky1wbMily MWlhai d so MUM* GftKh 75 HNFacre lat or larger 80 lndusbftl:- Ugm arose so Heart areas 90 S Phyamundw t0 sahouls: 50 Raroed rd eras: 15 Undasa areas: Historical Flow AmPVah 2 Grw"Its, a9dadaffal o0e5e fbrr analysis (wton land um not da 45 stneb: Pawed 100 Gravel 40 and sklwd ft: g0 Roofm 90 � 0 d aaa d 1d11 PM 1M(MIS 4 +_ O U n n ti r\ oo 14 ti Y I Q r W cr- J Q ^ C N N T r 0 0 0 0 M Z Er _0 �l CD CD OOmONNN CI E v m v v N N T r 0 0 0 mmotoU.)l-- t-- chmco O N N V V O C'7 Ch r r r N N r r r r r W lL W J W O c V Om V V'tD COh �tm J O O Orr 0 0 0 0 0 Q to H J W lE Z W COaaaaata.aa.aa Q Q Q Q Q Q Q Q Q Q Q U z~ Otir`Trvvmr,to OI' V CN N��COO LOOM T T r ..J a:T .CO V mmmmm mONm v r r r r r r M f7 f7 W H 0 z of w O CL o 0 0 0 0 0 0 Cl 0 0 0 0 N N N N N N N N N N (n Q Z S (7� DOOOOOOOOO N N N N N CD Z •••• T N r r w J Q F U M O T r r r r T Q �- coWwWWaocoMcW Q o066666666 0 Z ^ UN N M N O O m m M O r CO V V Ch MOOC�ChO QQ q O O O O O O 7T N N m z m Q "MII' owl-- - CO (01 Zr m m m 3 d m vi m OU N II �9 0 U r/J 0 O m J > 06 w m 'O" CL to �a N II C J Ca m U N L > "a mu �0a ZN ao N O p O F- Z W %i Z O V LL O W 2 cri _J � + N w r U~ u u U M ti t` CO 14 Y cr- (M r J a, ^ C NC) O O co O O O M M M Z C C � In In ui in Lo In (31 V/ 00 F V r ,C O N N E IT R V N N r r cD cO 0 ^ O rnrnO101nrnmCDco OU r r 0 N N 'cr '\1 LO M M N N r r r r r W W 2 ~ W aW. .� O o a a)0a0000Olnvr) sYt`0Mmwwi0oN - O O O r r 0 0 0 0 0 J ^ W N Zw aaaaaaaaaa Q°Oa(Lan.aaaan.a x U ~ f` O ti r r cr Ce) r.- In ONNm WNNOOO W 11, IT V NNrr TO�� J O In h 1- h t-- t-- t� N N IO v r' 0 0 0 0 O. 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Y= 5 NCaY u]01�mW� O�q �� Yb APPENDIX C 22 POND CAPACITY CALCULATIONS & RATING CURVES, OUTLET STRUCTURES & STORM SEWER PIPE SIZING, ORIFICE SIZING, & OVERFLOW WEIR SIZING (Excerpts from HTP Infrastructure Improvement Project also included) 23 100 Year Project: HTP Sixth Filin (Interim Pond for 21.08 acres Basins 1-8 on Design by: J.Gooch Date: 12/1/2015 This is to convert % imp. to a C value 100 ear (must insert % imp. and C pervious). Required detention ft3 acre-ft: 'C' value 0.8 f257990f4." 9519229F 'C" 1.25 1 Area 21.08 acres Modified Modified Release Rate 7.38 (0.35cfstacre) M. FATER D. JUDISF C. LI 5/95 Nov-97 Nov-98 DETENTION POND SIZING TIME TIME INTENSITY Q 100 Runoff Release Required Required cum 100 year Volume Cum total Detention Detention (mins) ((secs) mRv) (cfs) (ft"3 (ft"3) ft"3) ao-ft 0 0 0 0.00 0 0.0 0.0 0.0000 5 300 9.950 209.75 62923.8 2214.0 60709.8 1.3937 10 600 7.720 162.74 97642.56 4428.0 93214.6 2.1399 15 900 6.520 137.44 123697.4 6642.0 117065.4 2.6872 20 12001 5.600 118.05 141657.6 8856.0 132801.6 3.0487 25 15001 4.980 104.98 157467.6 11070.0 146397.6 3.3608 30 1800 4.520 95.28 171506.9 13284.0 158222.9 3.6323 35 2100 4.080 86.01 180613.4 15498.0 165115.4 3.7905 40 2400 3.740 78.84 189214.1 17712.0 171502.1 3.9371 45 2700 3.460 72.94 196929.4 19926.0 177003.4 4.0634 50 3000 3.230 68.09 204265.21 22140.0 182125.2 4.1810 55 3300 3.030 63.87 210778.9 24354.0 186424.9 4.2797 60 3600 2.860 60.29 217039.7 26568.0 190471.7 4.3726 65 3900 2.720 57.34 223616.6 28782.0 194834.6 4.4728 70 4200 2.590 54.60 229308.2 30996.0 198312.2 4.5526 75 4500 2.480 52.28 235252.8 33210.0 202042.8 4.6383 80 4800 2.380 50.17 240817.9 35424.0 205393.9 4.7152 85 5100 2.290 48.27 246193.3 37638.0 208555.3 4.7878 90 5400 2.210 46.59 251568.7 39852.0 211716.7 4.8603 95 5700 2.130 44.90 255932.3 42066.0 213866.3 4.9097 100 6000 2.060 43.42 260548.8 44280.0 216268.8 4.9648 105 6300 2.000 42.16 265608 46494.0 219114.0 5.0302 110 6600 1.940 40.90 269908.3 48708.0 221200.3 5.0781 115 6960 1.890 39.84 274904.3 50922.0 223982.3 5.1419 120 7200 1.840 38.79 279267.8 53136.0 226131.8 5.1913 125 7500 1.790 37.73 282999 55350.0 227649.0 5.2261 130 7800 1.750 38.89 287742 57564.0 230178.0 5.2842 135 8100 1.710 36.05 291979.1 59778.0 232201.1 5.3306 140 8400 1.670 35.20 295710.2 61992.0 233718.2 5.3654 145 8700 1.630 34.36 298935.5 64206.0 234729.5 5.3886 150 9000 1.600 33.73 303552 66420.0 237132.0 5.4438 155 9300 1.570 33.10 307789.1 68634.0K2456652 5.4902 160 9600 1.540 32.46 311646.7 70848.0 5.5280 165 9900 1.610 31.83 315124.9 73062.0 5.6570 170 10200 1.480 31.20 318223.7 75276.0 5 55773 175 10500 1.450 30.57 320943 77490.0 5.5889 180 10800 1.420 29.93 323282.9 79704.0 5.5918 185 11100 1.400 29.51 327683.2 81918.0 5.6397 190 11400 1.380 29.09 331630.6 84132.0 247498.6 5.6818 195 11700 1.360 28.67 335425 86346.0 249079.0 5.7181 200 120001 1.340 28.25 338966.4 88560.0 250406.4 5.7485 205 12300 1.320 27.83 342254.9 90774.0 251480.9 5.7732 210 12600 1.300 27.40 345290.4 92988.0 262302.4 5.7921 215 12900 1.280 26.98 348073 95202.0 252871.0 5.8051 220 13200 1.260 26.56 350602.6 97416.0 253186.6 5.8124 225 13500 1.240 26.14 352879.2 99630.0 253249.21 5.8138 230 13800 1.220 25.72 354902.9 101844.0 253058.9 5.8094 235 14100 1.210 25.51 359645.9 104058.0 255587.9 5.8675 240 14400 1.200 25.30 364262.41 106272.01 7990.4 5.9226 Fog f4r4l+ATi&Ark, PkRPasFs .aaLl a SEE Vxr' MA-rt PAMb (" C&t5 . F4 CajPtkW-lunl 66*iLS ) JAITfifrA DNr&Anw► � s, 19 A�• Fr 4 U&N - o. b 9 At • i T- ToTA� Ac i Page 1 O v 3 � d� d0. b tl H ic 17 —51 ('4�JLI 59:SSS sl m bld yla1 omd 0 0 0 0 0 0 cgg>i��apgag< ie a 8�m�s ms mm a E p E >' E Pond1OORatingCurveinteriml-8-16.txt HTP sixth Filing (Harmony Commons) Pond 100 Interim Rating Curve (For interim 21.08 acresof Haromony Commons JRG 1-12-16 #units=Elevation,ft,Area,ft2,volume,acft,volume,acft # Elev Area Cumml Avg Cumml Conic # ft ft2 acft acft 4909.0000 204511.3591 16.2975 16.1550 4908.0000 186547.8933 11.8087 11.6678 4907.0000 145135.2048 8.0015 7.870 5 8g �.FT /ioo-,rR roR 4906.0000 137435.9380 4.7581 4.6275 t 4905.0000 89775.0698 2.1500 2.0388 4904.0000 39959.2591 0.6609 0.5877 Z�.Og R�RES� 4903.0000 8796.4285 0.1013 0.0711 4902.0000 25.4000 0.0000 0.0000 wsE� � g9ob.90 fo�nuJS ' F WFAMA'no dhL t4hs6s otil J . (SEE KLTI M11 PoN6 loo C&X5. je-4 Page 1 Cpow 1&0 ULr,Mq'r6 (cnA(riorJ -a Ta Be- GW57R"rl<A) Pond100RatingCurve2nt&Ultimatel-8-16.txt HTP Sixth Filing (Harmony Commons) Pond 100 Rating curve (For interim and ultimate condition for 48.30 acres: SwMM Basins 401,600, & 601)) ]RG 1-8-16 #units=Elevation,ft,Area,ft2,volume,acft,volume,acft # Elev Area Cumml Avg Cumml conic # ft 4909.0000 ft2 204511.3591 acft acft 1AP-1A = 11.79 kc-rr 16.2975 16.154� vetugF 4908.0000 186547.8933 11.8087 1 11.6678 ^ 9408.Z5 4907.0000 145135.2048 8.0015 7.8705 4906.0000 137435.9380 4.7581 4.6275 4905.0000 4904.0000 89775.0698 39959.2591 2.1500 0.6609 2.0388 0.587T�W ,"-- 1,59/}e.�T p 99a9.90 4903.0000 8796.4285 0.1013 0.0711 4902.0000 25.4000 0.0000 0.0000 Required 100-yr SwMM volume = 12.79 ac-ft (including 1.59 ac-ft wQcv) *SwMM Pond 101: 1.3 ac-ft (Detention) + 0.23 ac-ft (wQCV) = 1.53 ac-ft *SwMM Pond 600: 2.2 ac-ft (Detention) + 0.41 ac-ft (wQCv) = 2.61 ac-ft *SwMM Pond 301: 7.7 ac-ft (Detention) + 0.95 ac-ft (wQCv) = 8.65 ac-ft * 1% CF5 IS CotAb'-9 b 4Le-l5F Or& Fkp*� sorAm Pps4bs Sat 101 (17 Cr-5 -rS- a") . 19, 30 /-ct&5 fi 0, 74 MJLB of Ahb17- WAL AP -A FRpw+ T" C-Mr Yx of TFcrh Mwj WILL Mb 7b T*6 P,QkioJ446 Ash Ca„nrEaFa 7a PMb 'Do , HvW"Ol NfAOx. 2 hce&3 PRo aTY L,tJE VILL 91 PAss P046 100, TPV6 OkMIAfgz 46.3o Atter FQorx TFFt Ctw54JA-"JE, lZArq** THbv 5V4TL T- ht•}4ibnWV CO**14d i Noh*6457- T06aFo" p A5P4W 15 F}rte/.$Jti 1+TP MAsTH!PWJ Ta BE 2- Act-E5 Fib Tfff 99.30 Poo-D ►oo Fob O* M4Vj coAoLret rf IS 74E NAtUkhr/F of SWMM POW& 101, 606, 4 361 ) Awb 6%C*6A'5 lr M Xel i d B1' 71+6 5LJAA Awl-L . Page 1 CA a IN 'a m d tl 0. n � H YYW y ouu. 0000 0 0 0 0 U O O O 0000 0000 0000 0000 0 0 0 0 0000 0000 EN l Millillilli 11 MEN 11111111111111111111111111111 Milli 1101111 lllimilimil �Y 0 SWmmPond301 9-17-15.txt HTP Pond Prelim. Pipe Sizing for Q100 = 12cfs outflow (to east) 7RG 9-17-15 Manning Pipe Calculator Given input Data: shape Circular Solving for Diameter Full Diameter 24.2875 in ✓ Depth ........................... 24.2875 in Flowrate . 12.0000 cfs slope 0.0040 ft/ft manning's n ..................... 0.0160 Computed Results: Area .......................... 3.2173 ft2 wetted Area ..................... 3.2173 ft2 wetted Perimeter ................ 76.3013 in Perimeter ....................... 76.3013 in velocity ... 3.7298 fps Hydraulic Radius 6.0719 in Percent Full .................... 100.0000 % Full flow Flowrate .............. 12.0000 cfs Full flow velocity .............. 3.7298 fps critical Information Critical depth .................. 14.8788 in critical slope .................. 0.0081 ft/ft critical velocity ............... 5.7972 fps critical area ................... 2.0700 ft2 critical perimeter .. ........... 43.6207 in critical hydraulic radius ....... 6.8333 in critical top width .............. 24.2875 in specific energy ................. 2.1913 ft Minimum energy .................. 1.8598 ft Froude number ................... 0.4304 Flow condition .................. subcritical Page 1 24" Rep ,- SwmmPond301 towest9-17-15.txt HTP POND Prelim. Pipe Sizing for Q100 = 5cfs outlfow (to west) 7RG 10-15-15 Manning Pipe Calculator Given Input Data: Shape .. circular solving for Diameter Full Diameter ........................ 18.4599 in ✓" Z,41,RCP Depth ........................... 18.4599 in Flowrate ........................ 5.0000 cfs slope ........................... 0.0030 ft/ft manning's n ..................... 0.0160 Computed Results: Area .......................... 1.8586 ft2 wetted Area .................. 1.8586 ft2 wetted Perimeter ................ 57.9934 in Perimeter ....................... 57.9934 in velocityp Hydraulc Radius 4.6150 in Percent Full .................... 100.0000 % Full flow Flowrate .............. 5.0000 cfs Full flow velocity .............. 2.6902 fps Critical Information critical depth .................. 10.2426 in critical slope .................. 0.0084 ft/ft critical velocity ............... 4.7209 fps critical area ................... 1.0591 ft2 Critical perimeter .............. 31.0220 in Critical hydraulic radius ....... 4.9163 in Critical top width .............. 18.4599 in Specific energy ................. 1.6254 ft Minimum energy .................. 1.2803 ft Froude number ................... 0.3561 Flow condition .................. 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O \ L O Q .0 c; .G O o _L o � •LQ� C O O O (pipl CD rTo .o � U cl 0 w, O f p Ip o I N � ' Cl a a �Wz HQn E' I� m M I ' u ( vi vi ea q kn V ) 00 �.r i00 i u+ Jrlo ,j go.jo �n 0 � I i y� EEO 0N1 o i q v u I (q q O O U ir+ 0 4= I I a o 0 4 � � N i 92 is 8 1¢ { e: w cn a 8 ES tb 4 i I I� 1 i .Ch N II > dw 10 a ao a o ! kn wI a I o 0 Q x 0 ar�w 1 .wi N I � � IN az W d �I N 0 U E § .8 .2 4 't7 3 0 3 W :. � � A Uv�Q �7 H w x 0 a i t i 0 I � a � 3 t � � ( f /Q � m cc 0 ©�& & §tee 2 ��k\ �- \ Q;w` �2a/ §2�0 22$5 =mQw Eastorificecontroll-12-16.txt HTP Sixth Filing (Harmony Commons- POND ONLY PORTION) orifice control for East outlet Structure JRG 1-12-16 orifice Calculator Given Input Data: solving for ..................... area or Diameter Flowrate ........................ 12.0000 cfs coefficient ..................... 0.9800 Headwater ....................... 4908.2500 ft Tailwater ....................... 4903.8000 ft Computed Results: Diameter ........................ 11.5183 in-'��I�. I��S2�r velocity ........................ 16.5834 fps - Page 1 westorificecontroll-12-16.txt HTP sixth Filing (Harmony Commons - POND ONLY PORTION) orifice Control for west outlet structure )RG 1-12-16 orifice calculator Given Input Data: solving for ..................... Area or Diameter Flowrate ........................ 5.0000 cfs Coefficient ..................... 0.9800 Headwater ....................... 4908.2500 ft Tailwater ....................... 4906.6300 ft Computed Results: Diameter 9.5718 in velocity ........................ 10.0058 fps —� Page 1 Project: HTP Sixth Filing (Pond Only) Location: Pond 100 Broad Crested Weir - Basic Equation: Q = C*L*HI.s Calculate Q from Dimensions: C= 3.00 Ir 103 ft H= 1.00 ft Q= 309 cfs ASPEN ENGINEERING Proj. Number: 100-003 By: J. Gooch *This Q value was taken from the Rational Calculations. and is based on 48.3 acres, at c=0.80, with I = 6in/hr) Calculate L from Q and H *Q= Q100 x 1.33....... Q= 231.84 x 1.33 = 308 cfs. C= 3.00 Q= 231 cfs H= Freeboard - Overflow Inv. = 4910.66- 4909.66 = 1.0' H= 1.00 ft 1j f71600441K. Ir- 77 ft Calculate H from Q and L C= 3.00 Q= 231 cfs Lr 103 ft H= 0.82 ft L� Therefore...Lr103' P45511LE Wry oP flail oy" W04 APPENDIX D 24 RIPRAP, SWALE SIZING, & EROSION CONTROL CALCULATIONS 25 ASPEN ENGINEERING HTP Sixth Filing Riprap Outfall (DID 8) 2- 2'x5' RCB's Updated: 30-Nov-15 Box Width: W 120 in Box Height: H 24 in Discharge: Q 112.77 cfs ailwater: y 2.1 ft (known) 1. Required riprap type: By: AGW Checked: JG Soil Type: Erosion Resistant Soil (Clay) Max Velocity V 7.7 ft/sec RECTANGULAR CONDUIT Q/WH15 = I 3.99 < 6 --> use design charts H 2.00 ft Yt/H = 1.05 Q/WHA0.5 = 7.97 d50 = 0.11 in -------> 0 in T RA n ype e T 2. Expansion Factor: 6 _s 1/2tan©= 6.8 o 3. Riprap Length: 3 p At = Q/V = 14.65 ft2 W a L=1/2tan© . (At/Yt - D) = 34 ft ' 4. Governing Limits: L>3D 6 ft L < 10D 20 ft 5. Maximum Depth: Depth = 2d50 = 2 (0 in / 12) = 2 ft 6. Bedding: TAILVIATER DEPTH/ CDNWM HEIGHT- YI/H MD-24 EXPANSION FACTOR FOR RECTANGULAR CONDUITS I a PAVE RUN NO Use 1 ft thick layer of Type II (CDOT Class A) bedding material. , - ,D YI.N IY Na .a41 Q N �IrpN.Y aN�H b NP.[.iIK91 Its w N tanll. 7. Riprap Width: •h.. TM L ft U ftft a a SH de stf . Summary: Rw. N'p>/---14 w Atsbn hesubw • R/sspbr Cm� OYM Vra4Pa�' x t!. Width = 3D = 3 (24 in /12) = 6 ft (Extend riprap to minimum of culvert height or normal channel depth.) 12 Length = 20 ft Depth = 2 ft Width = 12 ft 11/30/2015 SwaleA.txt HTP POND Swale A (for MAVD parcel and HTP Retail Parcel flow only) ]RG 10-15-15 channel calculator Given Input Data: shape ........................ Trapezoidal Solving for ..................... Depth of Flow Flowrate ........................ 112.7700 cfs Slope ........................... 0.0050 ft/ft Manning's n ..................... 0.0290 Height.......................... Bottom width .................... 48.0000 in Left slope ...................... 0.2500 ft/ft (V/H) Right slope ..................... 0.2500 ft/ft (V/H) computed Results: De th 25.7065 in velocity ........................ 4.1883 fps Full Flowrate ................... 244.8295 cfs Flow area 26.9251 ft2 Flow perimeter .................. 259.9813 in Hydraulic radius ................ 14.9134 in Top width ....................... 253.6521 in Area ............................ 48.0000 ft2 Perimeter .................... 344.8636 in Percent full .................... 71.4070 % critical Information critical depth 20.9867 in critical slope .................. 0.0124 ft/ft critical velocity ............... 5.8643 fps critical area ................... 19.2300 ft2 critical perimeter .. 221.0607 in critical hydraulic radius ....... 12.5265 in critical top width .............. 215.8935 in Specific energy ................. 2.4148 ft Minimum energy .................. 2.6233 ft Froude number ................... 0.6542 Flow condition .................. Subcritical Page 1 HTP POND Swale A ultimate (MAVD west and east sides of 7RG 10-15-15 Channel calculator Swale A ultimate.txt parcel, HTP Retail Parcel, +20 cfs from adjacent parcels on Swale A: approx. 4 acres, c=0.80, i= 6in/hr) Given Input Data: shape....................... solving for ..................... Flowrate ........................ slope........................ Manning's n ..................... Height .................... Bottom width .................... Left slope ...................... Rightslope ..................... Computed Results: De th .......................... velocity........................ Full Flowrate ................... Flow area ....................... Flowperimeter .................. Hydraulic radius ................ Topwidth ....................... Area............................ Perimeter Percentfull .................... Trapezoidal Depth of Flow 132.7700 cfs 0.0050 ft/ft 0.0290 36.0000 in 48.0000 in 0.2500 ft/ft (v/H) 0.2500 ft/ft (V/H) 27.6247 in 4.3666 fps 244.8295 cfs 30.4061 ft2 275.7991 in 15.8756 in 268.9976 in 48.0000 ft2 344.8636 in 76.7353 % Critical information Critical depth .................. 22.7041 in Critical slope .................. 0.0121 ft/ft Critical velocity ............... 6.0662 fps critical area ................... 21.8868 ft2 Critical perimeter .. 235.2228 in Critical hydraulic radius ....... 13.3988 in Critical top width .............. 229.6328 in Specific energy ................. 2.5984 ft Minimum energy .................. 2.8380 ft Froude number ................... 0.6610 ✓ Flow condition .................. subcritical Page 1 Fco.Bo✓Co�> -'. fiAJhTiSli f,•s f C 35a NAG A- uf>*EAR ewJs,km" aF 2 - Z'xS` s C4 M rter Te PAVA tev. Channel Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3138 by Autodesk, Inc. Swale A Interim Condition Trapezoidal Bottom Width (ft) = 4.00 Side Slopes (z:1) = 4.00, 4.00 Total Depth (ft) = 3.00 Invert Elev (ft) = 1.00 Slope (%) = 0.53 N-Value = 0.029 Calculations Compute by: Known Q Known Q (cfs) = 112.77 Elev (ft) Section 5.00 4.00 3.00 2.00 1.00 M 0 5 10 15 20 Reach (ft) Monday, Nov 30 2015 Highlighted Depth (ft) = 2.12 Q (cfs) = 112.77 Area (sqft) = 26.46 Velocity (ft/s) = 4.26 Wetted Perim (ft) = 21.48 Crit Depth, Yc (ft) = 1.75 Top Width (ft) = 20.96 EGL (ft) = 2.40 25 30 35 40 Depth (ft) 4.00 3.00 2.00 1.00 M _1 nn Channel Report Hydraflow Express Extension for Autodesk®AutoCAD® Civil 31® by Autodesk, Inc. Swale A Ultimate Condition Trapezoidal Bottom Width (ft) = 4.00 Side Slopes (z:1) = 4.00, 4.00 Total Depth (ft) = 3.00 Invert Elev (ft) = 1.00 Slope (%) = 0.53 N-Value = 0.029 Calculations Compute by: Known Q Known Q (cfs) = 132.77 Elev (ft) 5.00 - - ------------- 4.00 3.00 2.00 1.00 11 Section Monday, Nov 30 2015 Highlighted Depth (ft) = 2.28 Q (cfs) = 132.77 Area (sqft) = 29.91 Velocity (ft/s) = 4.44 Wetted Perim (ft) = 22.80 Crit Depth, Yc (ft) = 1.90 Top Width (ft) = 22.24 EGL (ft) = 2.59 5 10 15 20 25 30 35 Reach (ft) Depth (ft) 4.00 3.00 2.00 1.00 IM11111111111111 -1.00 APPENDIX E 26 EROSION CONTROL ESCROW ESTIMATE 27 EROSION CONTROL COST ESTIMATE Project: Sixth Filin 100-003 PrepareTB y: JRG Date: 1/.13120.1.6 CITY RESEEDING COST Unit Total Method Quantity Unit Cost Cost Notes Reseed/mulch 8.34 ac $723 $6,029.82 Subtotal $6,030 Contingency 50% $3,015 Total $9,045 11votes., 1. A<=5 ac=$655/ac; A>5 ac=$615/ac. EROSION CONTROL MEASURES Unit Total Number Method Quantity Unit Cost Cost Notes Vehicle Tracking Mat 82 CY $30 $2,460 6 Gravel Filter 3 ea $300 $900 6 Straw Wattle Barrier 0 ea $150 $0 8 Silt Fence Barrier 4192 LF $3 $12,576 38 Gravel Mulch 0 ac $1,350 $0 39 Hay or Straw Dry Mulch (1-5% slope) 8.34 ac $500 $4,170 Subtotal $20 106 Contingency 50% $10,053 Total $30,159 TotalSecuNty $30,169 APPENDIX F 28 1: PROPOSED DRAINAGE BASIN EXHIBIT, EXHIBITS & EXCERPTS, EROSION CONTROL PLAN, & EROSION CONTROL NOTES AND DETAILS SHEET 29 0 Nc I I— CL. (exc&07- FRS HT' AfcsArp /,,. 44) Existing Weighted Runoff Coefficients Harmony Technology Park site 187710640 This sheet calculates the composite "C" values for the Rational Method. 1 arre = 43.5W It' --•-• - v.ca c.•oo,w� orlon Z48.bSU 5.71 10 90 0.3.2 EX-2 0.96 0.25 24,158 0.55 20.534 0:47 85 15 0.85 EX-3 0.95 0.25 36,795 0.84 31,275 0.72 85 15 0.85 EX-4 0.95 0.25 478.575 10.99 47.858 1.10 10 90 0.32 EX-5 0.95 0.25 23.637 0.54 20.092 0.46 85 15 0.85 EX-6 0.95 0.25 42.065 0.97 35.755 0.82 85 15 0.85 EX-7 0.95 0.25 2.074.707 47.63 207,471 4.76 10 90 0.32 EX-8 0.95 0.25 141,438 3.25 120.222 2.76 85 15 0.85 OS-1 0.95 0.25 64.326 1.48 54.677 1.26 85 15 0.85 OS-2 0.95 0.25 44,688 1.03 37,985 0.87 85 15 0.85 SfiE : _. '0- z :: 6.25` 5.4t8;8&9' - 124 824514" 14' 162" :, 85i - ="t ' 0'ait r. The 3,,ar-&own croup 3:3e lid VIY2008 Vhis unofficial copy was downloaded on Dec-06-2013 from the City of Fort Callms Pubfic Rawrds Websi[e: htQp!/citydoc&fcgov.coin or additional information or an official copy, plem contact City of Fort Collins Utilities 700 Wood Shad Fort Collins, CO 80524 USA ' Routing Flow Time (tJ oosian Pont Scours Ir Length Type Slope velocity Travel T location (min) (h) (a) N (fys) (min) 0 EX-1 EX-1 50.9 _ 0.0 e EX-2 EX-2 10.3 0.0 EX-3 EX-3 10.3 UO EX-4 EX-4 40,1 - 0.0 EX-5 EX-5 6.3 0.0 ' EX-6 EX-6 6.3 - 0.0 EX-7 EX-7 52.5- 0.0 EX-8 EX-8 29,7 - 0.0 -- 00 .. OS-2 OS-2 8.0 00 1 Note: a) Codes the channel type for velocity calculations. - ' PA a Paved, Pl. = Pasture & Lawns, GW r Grassed Wnlenv,y nn SvnrAram Group (&COPT 44r 4's jeep Rational Method 100 Year Design Storm Harmony Technology Park Site 187710040 4 C C-G intensity Ara, Runoff Runoff Runoff I Capacty Design 10.3 0.86 1.00 7.64 0.55 4.24 0,00 4.24 10.3 0.85 1.00 7.e4 0,84 6.45 0,00 6,45 40.1 0.32 0.40 3.73 10,99 16.41 0.00 10.41 6.3 0.85 1.00 9.24 0.54 5.01 0.00 5.01 53 0,85 1,00 9,24 097 8.92 0.00 8.92 52.6 0,32 0,40 3.12 47.63 59,53 0.00 59.53 29.7 0.85 1.00 4,54 3.25 14.75 0.00 14,75 8.1 0.85 1,00 8.39 1.48 12,40 0.00 12.40 80 0.8.5 l 00 8 44 1.03 8.66 0,00 8.66 Slope Menning's Roughness Size Flow Depth Capacity Flow flow Depth ('�) "o" (In) (in ets) (Cfs) On) 3:pa 1 N Y13wll 30 o ®®®= I z k Bity e$t WV1YNpnNCm{ary nrr it S q�j ! �r.<+.m —.-- _ _ — --- T--_ •�� _ - ...�,* sm"we HARMONY TECHNOLOGY PARK 100-YEAR EVENT FILE: HTPMasterFina110O.iN STANTEC: 376f08 H L_ 1 �1 u L p ■ SUBAREA GUTTER WIDTH AREA PERCENT GAGE NUMBER OR MANHOLE (FT) (AC) IMPERV. NO -2 0 .0 .0 .0 1 100 100 4591.0 32.9 80.0 401 101 1502.0 6.9 80.0 1 501 201 3343.0 23.0 80.0 1 600 600 2563.0 12.4 80.0 1 601 301 4210.0 29.0 80.0 1 801 501 2585.0 16.5 BOX 903 208 300,0 10.0 80.0 1 TOTAL NUMBER OF SUBCATCHMENTS. 7 TOTAL TRIBUTARY AREA (ACRES), 130.72 SLOPE RESISTANCE FACTOR SURFACE STORAGE(IN) (FT7FT) IMPERV. PERV. IMPERV. PERV. .0300 .016 .250 .100 .300 .0200 .016 .250 .100 .300 .0200 .016 .250 .100 .300 .0200 .016 .250 .100 .300 .0200 .016 .250 .100 .300 .0200 .016 .250 .100 .300 .0200 ,016 .250 .100 .300 .0200 .016 .250 .100 .300 HARMONY TECHNOLOGY PARK 100-YEAR EVENT FILE: HTPMasterFinal100.IN STANTEC; 3J6708 INFILTRATION RATE(INIHR) MAXIMUM MINIMUM DECAY RATE .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 .51 .50 .00180 HYDROGRAPHS ARE LISTED FOR THE FOLLOWING 2 SUBCATCHMENTS - AVERAGE VALUES WITHIN TIME INTERVALS TIME(HR7MIN) 600 601 0 1. .0 .0 0 2. .0 .0 0 3. .0 .0 C 0 4. 6. .0 .1 .1 .1 ( E:)cc .P r % 4wr ' 0 7. 0 8. .4 1.5 .7 2.6 [T 0 10. 4,6 8.2 ,' `y5ly�"4'o 0 ll. 6.2 11.5 0 12. 7.9 15.0 0 13. 9.2 18.1 0 14. 10.3 20.7 0 15. 11.1 22.9 0 16, 13.0 27.1 0 17. 15.7 33.1 0 18. 17.8 37.9 0 19. 19.2 41.6 0 20. 20.2 44,5 0 21. 22.0 48.7 0 22. 24.6 54.3 0 23. 26.4 58.7 0 24. 27.8 62.2 0 25. 28.9 64.9 0 26. 35.3 77.7 0 27. 45.6 98.7 0 28. 52.6 114.4 0 29. 57.2 125.6 0 30. 60.1 133.6 0 31. 73.7 161.9 0 32. 94.5 205.5 0 33. 106.3 234.1 0 34. 112.9 252.1 0 35. 116.6 263.5 0 36. 101.2 236.1 0 37. 77.9 189.2 0 38. 66.5 163.3 0 39. 60.3 147.9 0 40. 56.7 138.3 0 41. 50.7 124.3 0 42. 43.3 107.8 0 43. 35.9 97.1 0 44. 36.1 89.8 0 45. 34.3 84.7 0 46. 31.0 77.0 0 47. 26.9 67.7 0 48. 24.2 61.1 0 49. 22.3 56.4 0 50. 21.0 52.9 0 51. 19.7 49.4 51612008 I Stantec HARMONY TECHNOLOGY PARK. 100-YEAR EVENT FILE: HTPYast=_'Fir;aiUJ0.1N STANTEC: 3/6i08 C lu 0 I *'* PEAK FLOWS, STAGES AND STORAGES OF GUTTERS AND DETENTION DAMS *- NOTE :S IMPLIES A SURCHARGED ELEMEMT AND :D IMPLIES A SURCHARGED DETENTION FACELIIY CONVEYANCE ELEMENT:TYFE PEAK (CFSi STAGE (FT) STORAGE (AC FT) TIME ;HR/MINi WaLcl/ lost QR¢Ja:*c+� for (pp- (a� iG1:2 4.7 C �.�f1i 39. C► D _� ® ac- -r'-£ 110:2 i4.5 �.3 .0 6.9:0 ? ' 2. l.o S 7.18 c t f b 205: Z 13.9 G 1 .4 S.B:D 2 2. 4. S, 7 (v &•t• { E 206:2 20.8 1.9 2 6. 207:3 77.6 (DIRECT FLOW) 0 36. 208:3 63.9 (DIRECT FLOW) 0 36. 710:2 4.7 9 1 41. 211:2 301:2 1-._.6 1i.5 i.3 .0 77- 2 20. aQ �E 501:2 S 0:3 6.8 '".0 .0 O°RE s.o: FLOW) 2 2. - f 5• o .5`1 -- 0 511:3 600:2 98.0 9.3 (DIRECT .0 FLOW) 3 35. IOL ENDPROGRAM PROGRAM CALLED Tam = tZ M Ac•Fr Lx C ei P I Fit.0m rl'Tlp MhsT�.P�Ary Qftifla�•1� unofficial co ff was downloaded on Dec 06-2013 from the City of Fort Collins Public Records Website: httpd/citydocs.fcgov.com 5/1 6/2008 idditionai information or an official copy, please contact City of Fort Collins Utilities 700 Wood Street Fort Collins, CO 80524 USA c NOGN age, GOING GOING 'MON OWN, r Ji—__ 11 111 IT i at i 1 I IFr--------�------- t \ /hi i r %.----------+--------'-------; \\ J !4 / If I I rl'I--------,%------- I / I I I \ I I I \ I( III /At I //IItl11'I LOT; OFI.. I OF�I 11911 )Ill ' T I II IF N. I / I If T IT I I / 1II L___ —•�/ 5 GO alleFxwaW asuE —� o L_7 r V/ i _ HN v _ as gel - ___ __ ` Fee� I X NE _______� 1 r. _ 5 l 't am gal Ar Hot A Y I I i f I r I I / tODYRWORSE .Gal I // ,I /�s F 3`TM-iviwwuMM+wMwrl"Mll i I ` L 1 A l l II -�I/ R i�ii I ,rlK ___/,� / I 1 i.1111 i I I j Eli ,_______�_L�'� / PROPWOCV/OETENTION DWTIETSTRUCTURE (SE(SEE OETNLSHEETASPB) P!DETENTION PONDWTLEDERMRE(COOT ODID TYPE N MEOM(COE®XED MEMDOIRECMTOU BVAIMPWOB 1I 11I 1y (SEE DETAIL SHEETASPp I l fo1, 800.8 SM) -4J ; Eli I I I I �// --, I I I I iF / Fi 1 rl _ I \ IF I L / I , L I I .I I I I I I ; I 1..�'F..-...TT. F. POND SUMMARY TABLE �w VOLUGAIL, garage, Opera, POND NOR EU UNDER all (TO W THE FEE zgllaoTOI rMSSNExgwxdwuLtNEl � DIWWLLa�YRAMw WATER DUALITY AND OELTENTGN FOR THE INTERN 21 OR OT *rwSln N I M "ATIl IMPERVIOUSNESS AS ALLOATED FOR IN THE OFF IL�FER PVHI FORD rW WALE OF TEdIn rrN�m ymW ROUTED TO HAND I DO`E aN �ww� N^� FdI ULIIIM,F UDILD�Df,ORo,OlA1w A„PINN.FU DV9rN,IL,sDa,u«tl]PCNES, PEN M ® DISO 2OKr gg ' NOTE 2 1) PWN 00 tm ' AND DETENTION EWAPoQUALITY DETENTION SUSED TO PROVIDE EDTES, PY INCOEWATEHE 21MTYAND FOR THE ACRES FOR 14) ORONCREQNDOFFET HTP W51TEANITYINF 4� PROD CT, ROADWAY AND UTILITY INFRASTRUCTURE PROTECT, AS RCADV INFRASTRUCTURE AS REMAININGEY BASIN AREAS CWELL ONTAINED INS OF EDVATHINSWMMORT, ND1.T THE THE HIP MLkLF-V LAN ANDREMAINING THE HIP O "-" EASTERN HALF-YNOTH. FOFTE.ANOLO -- -_TPp _•. TECHNOLOGY PARKWAY00 ` THE WILL - (TOTAACRIDE THEREFON WILL TE REPLACE ND PROVIDE DETENTION AMCAND WANES FOR NMGT WAS PREMOUSLYSHOWN AMMPONDS 101,QUALITY ORWHAT ON M E TSOD, ANDUPOF THE IRE TO DEVELOPMENSNMMMODEL, ALLOW FOR DEVELOPMENT OF THE REMAINING PARCEL ME45. AT A DATER TOTE. ARMS, GRA4W 9COYNED 'xM S,IO FAWC ,wY OUSEL 2.0'tW `ems 1 o, 4.0' 12o' SWALE AA CROSS SECTION a.•tax.nm a - ar.-2w n.O B-osn% MBNF EEBMH NF CYNIC ( 1 111 am 0A ew Z 1 aK am '0.w 4N am an w F am am am nm e am am Ow on am ON am a e law ON la eua v 2 236 ON 10 10 111 eN Z" 12w 2) FUTURE DEVELOPMENT ALONG THE EAST SIDE OF TECHNOLOGY PARNNAT (SOUTH OF TIMBERWOOD DRIVE) SHALL CONVEY RUNOFF FROM THE EASTERN HALF-MIDTH OF TECHNOLOGY PARKWAY EAST AND IN TO FOND IN St TOOK) OUTFALL STRUCTURES ARE PROPOSED FOR POND INT THE EASTERN WATER QUAL-TY1 DETENTION POND OUTLET STRUCTURE PALL PROVIDE FOR A CONTROLLED 4®®®®®® RELEASE ROTE OF 12 CPS (PER HER LNSTERPLAN SWIM MODEL FOR PREVIOUS POND 301). THE WESTERN OUTLET STRUCTURE HILL PROVIDE FOR A CONTROLLED RELEASE ROTE OF 5GAS (PER HTP MASTERPIAN SWMM MODEL FOR CHECKED BY. SOxeE FREVIWS POND 101), THE DRAINAGE BASINS SHOWN ON THIS E%HIMT ACCOUNT FOR 21Be ACRES OF TOTAL ORBITS DESIGNED BY AWiUh rW D OLFSRE BASIN AREAS ATTRIBUTABLE TO THE HIP SMITH FILING. THESE BASIN AREAS, ALONG WITH RATIONAL C VALUES SHOWN BELMMD IN THE RATIONAL DMWNBY'. AWIIDmw CALCULATIONS HAVE BEEN UTILIZED TO SIZE THE STORM SEWER INFRASTRUCTURE SHOW! IN THESE PLANS AND THE HIP INFRASTRUCTURE IMPROVEMENTS PROTECT, AS WELLAS TO SIZE SWALE A FOR IRIS PROJECT. FUTURE DEVELOPMENT OF BASINS 1 AND n SHALL MEET THE 60% IMPERVIOUS RATIO FOR THE SAID BASINS EDVALUES FOR FUTURE DEVELOPMENT SHALL ADHERE TO CORRESPONDING IMPERVIOUS RATIO OF WM IMPERVIOUSNESS, NOT'C' VALUE OF 0.80). SHOD LD THE DEVELOPEDCONDITIONOF BASINS I NID B E%CEEOM BO% IMPERVIOUSNESS RATIO. ADDITIONAL WATER QUALITY AND DETENTION NULL BE REQUIRED, BEYOND THAT SHOWN IN THE FETES SWMM MODEL. 4t IN THE INTERIM CONDITION, WINS 1 AND 8 WILL REMAIN O IN THEIR HISTIXNC CONORION, NMICH IS MISTING. PLANTED AGRICULTURAL FIELDS. FUTURE DEVELOPMENT 0 O SHALL PROVIDE FOR THE ENTIRETY OF BASINS I AND B CIBEING CONVEYED TO THE PROPOSED STORM DRAINAGE CI INFRASTRUCTURE, SHOWN IN THIS PLAN AND CONTAINED WITHIN THIS PLAN SET. FOR EACH ATTRIBUTABLE BASIN O AND THE CORRESPONDING DESIGN POINT FOR EACH J F BASIN. O m 5) THE INTERIM COBBLE PITSSDISCHARGE POINTS(LOCATED O GOO SOUTH OF TIMBERWOOD ORPRO ARE PROVIDED FOR THE III INTERIM CONDITION ONLY. UDANDBMPMEASURESFOR N yX BASINS I THROUGH IO SHALL BE PROVIDEDBYOTHER$ u Z W WITH FUTURE DEVELOPMENT, JO Z M SEE RATIOWLL METHOD CALCULATIONS FOR COMBINE W ATTENUATED FLOW FROM COMBINED BASINS FOR STORM SWALE $MING. r11 U all L m 7)17 OF COLT CLASS' A' BEDDING MATERIAL SHALL BE O O PLACED UNDER ALL RIPRAP SHOWN ALLRIPMPSHALLBE I,I^I COVERED WITH S' OF TOPSOIL. V 1 E) BEE SHEET Al FOR MASTER LEGEND. x 9) FUTURE DEVELOPMENT EAST) SOUTHEAST OF THE M a REGIONAL DETENTION PAID SMALL BE DESIGNED TO YK ENSURE A POSITIVE OVERFLOW PATH TO THE EAST AND d INTO LADY LgCY1 DRIVE, O City of Fort Collins, Colorado UTILITY PLAN APPROVAL __ APPROVED: Z I My Engineer Gate D LEGEND CHECKED BY: Water M Wwteeater Utility Dote gNINAGEBASINB NDARYLINE J CHECKED DY: \ 1 _ PROPOSED ORNWAGE BASIN ID SLwmwatm Utility Dale F Z - ACRES VALUE U0I CHECKED BY: ; Forks 8 Recreatlan DOLe Q PROPOSED DRAINAGE DESIGN ¢a y p FONT CHECKED BY. Traffic Engineer Date PRCPOSEDDRNNAMFLC VPA1H CHECKED HY. n,n„rrnona RE INTERVAL Enviammenlol Planner Dote pFOO 105 PROPOSED INDEX CONTOUR-6 FT �"� TOWr PROPOSED INTERMquwTE CONTOUR-1 FT INTERVAL THEY TINS HAVE BEEN REVIEWED BY THE LOCAL — 4910MISTINGINDMCO TOUR-5FTINT WR ENTRY FOR CONCEPT ONLY. THE REVIEW DOES NOT IMPLY RESPENSIBILM BY THE REVIEWINGDEPARTMENT, - - 4911 EXISTING INTERYEO ATE CONTOUR -1 FT INTERVR THE LOCAL ENP1Y ENGINEER, OR THE ' LOCAL ENT" FOR ACCURACY AND CORRECTNESS OF I THE CALCULATIONS. FURTHERMORE. ME REVIEW GOES QW11. UTILRY NOTIFICATION HOT IMPLY THAT QUANTmES OF FEARS ON THE PEAKS CENTER OF CWORADO ME THE FINAL QUANTITIES REQUIRED. THE REVIEW REASON1-800-922-1987 AS CODIN MY DATE: ACCEPTANCE ME E REFORE YET DIG Gal OR EACAVAT LOCAL Erviltt FOR ADDmDNAL QUANTTIEs of ITEMS SHEET NO: ASP6 Nn OF UNDERGROUND SHOWN THAT MAY BE REQUIRED DURING THE r.MEMO Kuwx oruITIES CONSTRUCTION PHASE. 8 OF B SEEDINGit 1 CHART `T,' e, IWO STRAW WAIVES. EMBEDDED AND STVM, AS STMI EROWORAH09GOIL TC fit SHOWN N 'WATTLE FLTERE METAL THIS SHEET TD MTl1Ve COHSMU"MPLARNOTEB ENSURE STASKJ A➢ON OF WATTES. SPACING STALL BE 8 jet b , M3 BASED ill KRBCAL TONE -TO -HEAD HUwT I OR Wryy;gl (1) Th oMd- apet L -FM elk only mu (b)Ixurt pmbslytmabudium INTERVALS WHERE In' HECHI S EXCEEDED BY SL E "al A MUST q mA1IE eu m OF CHANNEL) BE HIG4ER 11 (M1PI (2) Tn n pp a11Ree1 N g ermy tle 1M1 - a g be a at[erbepine W,, W7'JEN T M POINT 0.) as e e p � W Ion 4u 1 h 9ch II bw WI O e(_W my krm MngelvRy ST ImrcxP q, ibip+ cral al All do ty TM a e M nal be n"llatlm We ppXER W [t ry ee -a dI n WFMt r} male NUNm, p a d ep (4.) N III 0 l 9 n on Dw+[p en II W IAn bH Imp 9 tl m i 9 ode We 9 P 9 PWQ•IY In IY Wree rWa n a1rwe now i T I D es all llE W a Fahlylp old WI - gtl (M ^Wino Mrtshare hwan ($J Pr tl T b yH m b b oxdxba e + - eelM Ws AI R d9 ter lab 1 ry TO excel plShallb e1 N ()rt Wh M [ti a and as PLAN VIEW Me TrlP We Ofmw SECTION R.1 a x pie am gl„l ,Cq oily flatail ag erg Wv l t n. kd1g,Mn% LLRm• H ine10,11 b h p gin W d0 by p, 9 dual g tl d M1 vgtlel arttl BMPs M N N F OOT COMPACTED TLD,A LWSPSE nR MR. AND REPLACE (IF XECESS TIC riUlb [ yII y ab)Ind delum'p X yfor morem man 30'ery be Mel 1 l- WATTILF TERS Af1ER EAcx sioRxl E>Exi. I+ry y permanenaw cmba(.gce[amrlcn lnd.cap,g+i Is "smna4 a leis2 ALL WATTLES MUST BE RETM1ACED OFRR B oW aby me MGHNIS VXI£SS PPPRDVAL IS QUN1m BY THE I1J In Older to minlmee solo"ndOl, Nl teporary(+Iumlwlf wpiOn¢ VOI mm' sllaP. II INCNIEERINGMINSM Fae LONGER VSF. le,) Be'm,ptdd a mnimun am[eemry hvlB)^aaFe alld efle path yg,iM1tenlaWnr mwlt EE J. PLEASE RCFER TO Fg10WX4 NRCS NEBSI1E hF mdre[akeawrecmvnudtles rw[naryn orawbunememe[anlnuea RRummoar ODTI & WATEE WFMMADd AND INKS ALTALLAWN meimrdeal Nnnem. PROFILE VIEW NOTES AND DETNLS: ww..Tm4maam. _ w dal As MART Sby phave MewOWn ceroa�mpenv °hang diluted nee. am euN[anuymwisd (1) en aber the vR Me bon ob,,4ly 9abibend 05 ddwmmwl by ins OFOUM[ d w,mErro l8" DIAMETER STRAW WATTLE CHECK DAM nWSPpaTm Ia) Man Wnpany MORE tend measlrMm nneV Me DwMl BAR m w:wnvbleM M Oman up d 1111 edmenl and dealer Win of d p'h b,W,e and oNw WNk Rif4n (ej Thecontractor xll edeby tics, up" rndr,Wbm •'ink sudymeMly ae an Pimlrg+:._ M CURB INLET -_- m rpWlcnglx:dwry eM rvak eeFnea Mh ore clemidelM and of earn wroning day O .. (10.) NI algid ntE PA,uAa spas m My deey Rev N+lb Wand aiSp Ol in a manner And Intel Sad n I caum march M "Arms, am United Earn - (11J Nosdrtby Sud Snnrwominm ldWM, Fl M1epN.PII pit aWdmil, My l bpdPIO eonl aka GRAVEL FlL1ER �' transport b/ eurbte rwy,min& wm+lq, and Pdrwler wX M1minp. My Ol+i 51aWPI0 rermNg0e0r (APPROX. 3 4NI MIA. %athirttorrlye mWlbe ANDRE mdm&hea. / ) OZJ upon compleR.vname Aker and WI ethsaingM mapnil the mme SAN 01 i*y Enm MElMnlmnM CONCRETE Homtvnw,A Athe maiDEand befwelumngme maimmmca hem MCkyFmnryv VARE SCREEN BLOCK Ho A eon MDA) A APPRO%. t 2NI MESH N5J Bit ,r eC Ion e D h yP Bb Sy IIOt wnrmm mNe MMinro A ( / ) p nil N dx ry nyP m I edwtmncr mtffiwnh Non. polbl 1 tl b bN ue A ko d mined Td g 1 'a15. ronnW Imtll wrsnwt [n Icali O 2-x4NI WOOD SND aE mega. pa t Auer d rt y Te. T e d i nnetS On e'"OmewM ewes OVERFLOW FlLIERED WATER are mall soWasmelh.vmpm[pnenmehend aeFM,mdpdhxmh on We,lnattoramm wan RUNOFF any aneaftel areCable tel be hen rlklrf rcoma i (MJ con%gcted area bepaihwmrt W$nd rc d,rF [nulewmlM. TM ehn NtllEe treeweem UMncwainwtmlcm mebeemdnIm+fiky 13%1M+e%fion eM wemrwel slumpmnld BY V�ntW A Mlnolo Ara at" bn9 rmnad.cmnemwnOM maM1nMwll be NwWVad Old pgwly pie po .... wwwwwoo®©woo wwwwwwlwwwwww �wwwwwlwwwwww --�www�wwwwww www�wwwwww w_w_w_w_w_wlw_w_w_w_w_w_ C7www�wwwwww wwwwwwlwwwwww wwwwwwlwwwwww w�wwwwlwwwwww LJwwwwlwwwwww ... C�www�wwwwww wwwwwwlwwwwww wwwww�wwwwww wwww_w_wlw_ww_w_w_w wwww��wwwwww I�PZLm�E�wwwww_wwwwww t'-zn9KYr(SRR'^eii✓ffi�r R45 ________-__®oF.u""fi,� r wwwww�wwwwww �wwww�wwwwww w-www�wwwwww w-www�wwwwww wwwwwwlwwwwww wwwww�wwwwww 0 ad ww1,FLRm,I IN In w------wwww -----wwww wwwww�wwwwww wwwww�wwwwww ���wwwl��wwww Table 11.2. Recommended Species and Application Rates of Seeds z Gw•� for Temporary Vegetation and/or Cover Crops A Species Season t Drill" Pounds/Acre Ld Annual Ryegroes Cod 20 Ld 'r 1. Oats Cod 70 Cereul Rya Cod 40 U Whorl - Tinter Cod 4D Wngl Spring Cod 6D Barley Cad 6o Milel Warm 30 Hyland Sudan Warm 15 Sorghum Warm 10 UNSEEN Cool seosan grosses make their major growth in the spring. Warm moeon Tosses make thmr m )W growth in late spring and summer. Table 114 Idmtifw; planting M dates for perklr,n,al and temporary/cover crop grasses. $iF9 Table IP4. IRmting Dates for Pwmniol and Temporary/Cover Crop Grasses. DATE PERENNIAL TEMPORARY/COVER GRASSES CROP GRASSES Worm Cool Worm Cool Jon 01 - Feb 28 Yes Yes No No Mar 01 - Ma 15 Yes Yea No Yea May 16 �,MMifyale.-y Yes No Yea No p +Aeer� ANo No Yes No g'DOFEE TSg331 No Yea No Yee S p 01 - SaD 00 No No No year Oct 01 - Dec 31 Yes Yea No No Mulching Britoil be used to assist in Establishment of wgetalim. One or more of the following mulches shall be used with a pwennial dryfond gross amid mixture. or a temporary Vegetation or cover crop. Mulch Acceptable Dates of use Application Rate Straw or Hay Jon 01 - Dec 31 1 1/2-2 lone/acre Hydraulic (wood an popes) Mar 15 - May 15 1 1/2-2 tone/ocre Erosion contrd (mats or blankets) hie Ot - Dec 31 Not applicable Hay An straw mulch shall be free of noxious weeds and at (Cast 50% of the fiber aholl be 10 Inchon W more In length. When seeding with native Wassea hay from a native gross is a suggested mulching malwicl, if awlloble. CURB INLET (15) Toms Ire that salhark Ala Out fill WWMda Ms wle wI --WmaEhMn- If kr' otion is used. hysrmlk mulches may De applied from March 15 through S 30 WIRE SCREEN padmmwwevm Cron BMR ahml be hAaw" Mohamed uNl He Mere mrae diim4 N Y DDep aecKED eY: IOaF GRAVEL FILLER z-xa' WOOD STuo as ller"Eed ter Me noon control mepw .. When dCky MrMtw NDPES PERMIT NOTES Hay 1 Straw Mulch MIRE SCREEN (a.) Bobs at rl ts. - DESUCHED Be l0oxb SECTION A @J DM ben:Iq. moss. 1. SIIE DESCRIPTION: 1. Hayes straw mulch will De anchTee to the soil by me of PLAN VIEW (p) ONE SMRagarw a. I WRe construetfon which consists of pond and crushw fine trail grading. storm sewer Ube following methods: GENERAL NOTES: A y/ DRAWN BY. Ialsk 1. INSPECT AND REPAIR FILTERS AFTER EACH STORM EVENT. (d.) (11M1rb[adlsifnwle. pqe, and wales qudil tletmlim pane outidl/control slruclures. (184 cryaNmam WaAm mry xwmmemdm could meewxasm aaeeanmNlnhMlw.nmlhwpb. (a) A crimper which will Crimp the fiber four Inches or REMOVE SEDIMENT THEN ONE HALF OF THE FILTER DEPTH The oem $bid knpNnxm weetwr Manures was d+v,rk+ed nw"n ..as by, oil D. The major actiHties are planes M the following sequence: more Into the Soil. At least 50% of the flow HAS BEEN FILLED. REMOVED SEDIMENT SHALL BE DEPOSITED CAPConty 1. Clearing Rod Grubbing neceasmy for perimeter conlyds men be 10 Inches or more in length, IN AN AREA TRIBUTARY TO A SEDIMENT BASIN OR OTHER 2. Installation of pwknetw contrds. FILTERING MEASURE. 3. Demdition of existing asphalt, struetureR and site items, m applicable far alorml (b) Monufaeturee mulch netting Installed over the IT Sewer CMaCetIons to existing systems. or straw OCCoreng to mwufactums Instmctlms. 2. SEDIMENT AND GRAVEL SHALL BE IMMEDIATELY REMOVED 4. Btwm Sewer construction to connect outfoll systems and lie -in to existing FROM TRAVELED WAY OF ROADS. systems. Asphalt replacement at lie-in/emnectim locations to existing systems. (C), Tockif ers Sprayed on the mulch to the 5 Grading of pod one od)ocml green arena droinage Swale/chmnel and cruchw monufmturial ecammendation EROSION CONTROL CORK INLET GRAVEL FILTER fine traI/paths 2. Ant how or hay must be Rea of noxious weeds __/'RemSvLT a(LE'n rNom9�A9amwxeMrww>k�.^..wr.rw.e. ... ww.M lei 4rL1 .,r... ;.•l'--srMgiin,Rke.eYw-..f+R+dla RFRK, L PmvcDLVEeT PRm2crloH err.. -'- CLASSIFICATI NAND GRADATION OF ORDINARY RIPRAP The limits of development (Lao) boundary for the vma area <mla'Es aPRpxinlalay mvrvr� SIM."tT 8.34 acres, all of which n expected to undergo clearing and/or grading to lie in to m arum existing topography and to construct storm www I \fall and drainage improvements �- oo MISS for the HIM Retail parcal (north of TMberwood Drive), a veal as far future Torero&TT eD to ME dsvaopmenl within the HTP Campus for the asamiated mostreplon basin area. HART v.a d, Ratbnd OC" - 0.25 before crosWdlon with a Roliond NICE value of 0.80 allowed aft r -construction, per HTP Mostwplon SWMM Model. The Rationd NO. series from 0.25 to 0.40, with are average COW bang 0.30 for the HIP Pond area. The site May within the ram Moderate Rainfall ErodbUily Zone and Low Ina Evedisliity Zone per the City of Fort Cdrns zone maps. MSIh the existing site dopes of op roxknotelO80.3% to Ok?gAA the new Imwovemenla will be subjected to both wind and rainfall w Ion. M "EMERY IS Is ,arrt m TELL SECTION a %* e M t \ for the site consists of fallow land that ie currmu been pr apmen Proper Y Y 9 SMI formed and Irrigated. m paw an I. Soil and vehicle fuel and fluids mtbipated polulim s for the HIM Pond and 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s IWO STRAW WAIVES. EMBEDDED AND STVM, AS STMI EROWORAH09GOIL TC fit SHOWN N 'WATTLE FLTERE METAL THIS SHEET TD MTl1Ve COHSMU"MPLARNOTEB ENSURE STASKJ A➢ON OF WATTES. SPACING STALL BE 8 jet b , M3 BASED ill KRBCAL TONE -TO -HEAD HUwT I OR Wryy;gl (1) Th oMd- apet L -FM elk only mu (b)Ixurt pmbslytmabudium INTERVALS WHERE In' HECHI S EXCEEDED BY SL E "al A MUST q mA1IE eu m OF CHANNEL) BE HIG4ER 11 (M1PI (2) Tn n pp a11Ree1 N g ermy tle 1M1 - a g be a at[erbepine W,, W7'JEN T M POINT 0.) as e e p � W Ion 4u 1 h 9ch II bw WI O e(_W my krm MngelvRy ST ImrcxP q, ibip+ cral al All do ty TM a e M nal be n"llatlm We ppXER W [t ry ee -a dI n WFMt r} male NUNm, p a d ep (4.) N III 0 l 9 n on Dw+[p en II W IAn bH Imp 9 tl m i 9 ode We 9 P 9 PWQ•IY In IY Wree rWa n a1rwe now i T I D es all llE W a Fahlylp old WI - gtl (M ^Wino Mrtshare hwan ($J Pr tl T b yH m b b oxdxba e + - eelM Ws AI R d9 ter lab 1 ry TO excel plShallb e1 N ()rt Wh M [ti a and as PLAN VIEW Me TrlP We Ofmw SECTION R.1 a x pie am gl„l ,Cq oily flatail ag erg Wv l t n. kd1g,Mn% LLRm• H ine10,11 b h p gin W d0 by p, 9 dual g tl d M1 vgtlel arttl BMPs M N N F OOT COMPACTED TLD,A LWSPSE nR MR. AND REPLACE (IF XECESS TIC riUlb [ yII y ab)Ind delum'p X yfor morem man 30'ery be Mel 1 l- WATTILF TERS Af1ER EAcx sioRxl E>Exi. I+ry y permanenaw cmba(.gce[amrlcn lnd.cap,g+i Is "smna4 a leis2 ALL WATTLES MUST BE RETM1ACED OFRR B oW aby me MGHNIS VXI£SS PPPRDVAL IS QUN1m BY THE I1J In Older to minlmee solo"ndOl, Nl teporary(+Iumlwlf wpiOn¢ VOI mm' sllaP. II INCNIEERINGMINSM Fae LONGER VSF. le,) Be'm,ptdd a mnimun am[eemry hvlB)^aaFe alld efle path yg,iM1tenlaWnr mwlt EE J. PLEASE RCFER TO Fg10WX4 NRCS NEBSI1E hF mdre[akeawrecmvnudtles rw[naryn orawbunememe[anlnuea RRummoar ODTI & WATEE WFMMADd AND INKS ALTALLAWN meimrdeal Nnnem. PROFILE VIEW NOTES AND DETNLS: ww..Tm4maam. _ w dal As MART Sby phave MewOWn ceroa�mpenv °hang diluted nee. am euN[anuymwisd (1) en aber the vR Me bon ob,,4ly 9abibend 05 ddwmmwl by ins OFOUM[ d w,mErro l8" DIAMETER STRAW WATTLE CHECK DAM nWSPpaTm Ia) Man Wnpany MORE tend measlrMm nneV Me DwMl BAR m w:wnvbleM M Oman up d 1111 edmenl and dealer Win of d p'h b,W,e and oNw WNk Rif4n (ej Thecontractor xll edeby tics, up" rndr,Wbm •'ink sudymeMly ae an Pimlrg+:._ M CURB INLET -_- m rpWlcnglx:dwry eM rvak eeFnea Mh ore clemidelM and of earn wroning day O .. (10.) NI algid ntE PA,uAa spas m My deey Rev N+lb Wand aiSp Ol in a manner And Intel Sad n I caum march M "Arms, am United Earn - (11J Nosdrtby Sud Snnrwominm ldWM, Fl M1epN.PII pit aWdmil, My l bpdPIO eonl aka GRAVEL FlL1ER �' transport b/ eurbte rwy,min& wm+lq, and Pdrwler wX M1minp. My Ol+i 51aWPI0 rermNg0e0r (APPROX. 3 4NI MIA. %athirttorrlye mWlbe ANDRE mdm&hea. / ) OZJ upon compleR.vname Aker and WI ethsaingM mapnil the mme SAN 01 i*y Enm MElMnlmnM CONCRETE Homtvnw,A Athe maiDEand befwelumngme maimmmca hem MCkyFmnryv VARE SCREEN BLOCK Ho A eon MDA) A APPRO%. t 2NI MESH N5J Bit ,r eC Ion e D h yP Bb Sy IIOt wnrmm mNe MMinro A ( / ) p nil N dx ry nyP m I edwtmncr mtffiwnh Non. polbl 1 tl b bN ue A ko d mined Td g 1 'a15. ronnW Imtll wrsnwt [n Icali O 2-x4NI WOOD SND aE mega. pa t Auer d rt y Te. T e d i nnetS On e'"OmewM ewes OVERFLOW FlLIERED WATER are mall soWasmelh.vmpm[pnenmehend aeFM,mdpdhxmh on We,lnattoramm wan RUNOFF any aneaftel areCable tel be hen rlklrf rcoma i (MJ con%gcted area bepaihwmrt W$nd rc d,rF [nulewmlM. TM ehn NtllEe treeweem UMncwainwtmlcm mebeemdnIm+fiky 13%1M+e%fion eM wemrwel slumpmnld BY V�ntW A Mlnolo Ara at" bn9 rmnad.cmnemwnOM maM1nMwll be NwWVad Old pgwly pie po .... wwwwwoo®©woo wwwwwwlwwwwww �wwwwwlwwwwww --�www�wwwwww www�wwwwww w_w_w_w_w_wlw_w_w_w_w_w_ C7www�wwwwww wwwwwwlwwwwww wwwwwwlwwwwww w�wwwwlwwwwww LJwwwwlwwwwww ... C�www�wwwwww wwwwwwlwwwwww wwwww�wwwwww wwww_w_wlw_ww_w_w_w wwww��wwwwww I�PZLm�E�wwwww_wwwwww t'-zn9KYr(SRR'^eii✓ffi�r R45 ________-__®oF.u""fi,� r wwwww�wwwwww �wwww�wwwwww w-www�wwwwww w-www�wwwwww wwwwwwlwwwwww wwwww�wwwwww 0 ad ww1,FLRm,I IN In w------wwww -----wwww wwwww�wwwwww wwwww�wwwwww ���wwwl��wwww Table 11.2. Recommended Species and Application Rates of Seeds z Gw•� for Temporary Vegetation and/or Cover Crops A Species Season t Drill" Pounds/Acre Ld Annual Ryegroes Cod 20 Ld 'r 1. Oats Cod 70 Cereul Rya Cod 40 U Whorl - Tinter Cod 4D Wngl Spring Cod 6D Barley Cad 6o Milel Warm 30 Hyland Sudan Warm 15 Sorghum Warm 10 UNSEEN Cool seosan grosses make their major growth in the spring. Warm moeon Tosses make thmr m )W growth in late spring and summer. Table 114 Idmtifw; planting M dates for perklr,n,al and temporary/cover crop grasses. $iF9 Table IP4. IRmting Dates for Pwmniol and Temporary/Cover Crop Grasses. DATE PERENNIAL TEMPORARY/COVER GRASSES CROP GRASSES Worm Cool Worm Cool Jon 01 - Feb 28 Yes Yes No No Mar 01 - Ma 15 Yes Yea No Yea May 16 �,MMifyale.-y Yes No Yea No p +Aeer� ANo No Yes No g'DOFEE TSg331 No Yea No Yee S p 01 - SaD 00 No No No year Oct 01 - Dec 31 Yes Yea No No Mulching Britoil be used to assist in Establishment of wgetalim. One or more of the following mulches shall be used with a pwennial dryfond gross amid mixture. or a temporary Vegetation or cover crop. Mulch Acceptable Dates of use Application Rate Straw or Hay Jon 01 - Dec 31 1 1/2-2 lone/acre Hydraulic (wood an popes) Mar 15 - May 15 1 1/2-2 tone/ocre Erosion contrd (mats or blankets) hie Ot - Dec 31 Not applicable Hay An straw mulch shall be free of noxious weeds and at (Cast 50% of the fiber aholl be 10 Inchon W more In length. When seeding with native Wassea hay from a native gross is a suggested mulching malwicl, if awlloble. CURB INLET (15) Toms Ire that salhark Ala Out fill WWMda Ms wle wI --WmaEhMn- If kr' otion is used. hysrmlk mulches may De applied from March 15 through S 30 WIRE SCREEN padmmwwevm Cron BMR ahml be hAaw" Mohamed uNl He Mere mrae diim4 N Y DDep aecKED eY: IOaF GRAVEL FILLER z-xa' WOOD STuo as ller"Eed ter Me noon control mepw .. When dCky MrMtw NDPES PERMIT NOTES Hay 1 Straw Mulch MIRE SCREEN (a.) Bobs at rl ts. - DESUCHED Be l0oxb SECTION A @J DM ben:Iq. moss. 1. SIIE DESCRIPTION: 1. Hayes straw mulch will De anchTee to the soil by me of PLAN VIEW (p) ONE SMRagarw a. I WRe construetfon which consists of pond and crushw fine trail grading. storm sewer Ube following methods: GENERAL NOTES: A y/ DRAWN BY. Ialsk 1. INSPECT AND REPAIR FILTERS AFTER EACH STORM EVENT. (d.) (11M1rb[adlsifnwle. pqe, and wales qudil tletmlim pane outidl/control slruclures. (184 cryaNmam WaAm mry xwmmemdm could meewxasm aaeeanmNlnhMlw.nmlhwpb. (a) A crimper which will Crimp the fiber four Inches or REMOVE SEDIMENT THEN ONE HALF OF THE FILTER DEPTH The oem $bid knpNnxm weetwr Manures was d+v,rk+ed nw"n ..as by, oil D. The major actiHties are planes M the following sequence: more Into the Soil. At least 50% of the flow HAS BEEN FILLED. REMOVED SEDIMENT SHALL BE DEPOSITED CAPConty 1. Clearing Rod Grubbing neceasmy for perimeter conlyds men be 10 Inches or more in length, IN AN AREA TRIBUTARY TO A SEDIMENT BASIN OR OTHER 2. Installation of pwknetw contrds. FILTERING MEASURE. 3. Demdition of existing asphalt, struetureR and site items, m applicable far alorml (b) Monufaeturee mulch netting Installed over the IT Sewer CMaCetIons to existing systems. or straw OCCoreng to mwufactums Instmctlms. 2. SEDIMENT AND GRAVEL SHALL BE IMMEDIATELY REMOVED 4. Btwm Sewer construction to connect outfoll systems and lie -in to existing FROM TRAVELED WAY OF ROADS. systems. Asphalt replacement at lie-in/emnectim locations to existing systems. (C), Tockif ers Sprayed on the mulch to the 5 Grading of pod one od)ocml green arena droinage Swale/chmnel and cruchw monufmturial ecammendation EROSION CONTROL CORK INLET GRAVEL FILTER fine traI/paths 2. Ant how or hay must be Rea of noxious weeds __/'RemSvLT a(LE'n rNom9�A9amwxeMrww>k�.^..wr.rw.e. ... ww.M lei 4rL1 .,r... ;.•l'--srMgiin,Rke.eYw-..f+R+dla RFRK, L PmvcDLVEeT PRm2crloH err.. -'- CLASSIFICATI NAND GRADATION OF ORDINARY RIPRAP The limits of development (Lao) boundary for the vma area <mla'Es aPRpxinlalay mvrvr� SIM."tT 8.34 acres, all of which n expected to undergo clearing and/or grading to lie in to m arum existing topography and to construct storm www I \fall and drainage improvements �- oo MISS for the HIM Retail parcal (north of TMberwood Drive), a veal as far future Torero&TT eD to ME dsvaopmenl within the HTP Campus for the asamiated mostreplon basin area. HART v.a d, Ratbnd OC" - 0.25 before crosWdlon with a Roliond NICE value of 0.80 allowed aft r -construction, per HTP Mostwplon SWMM Model. The Rationd NO. series from 0.25 to 0.40, with are average COW bang 0.30 for the HIP Pond area. The site May within the ram Moderate Rainfall ErodbUily Zone and Low Ina Evedisliity Zone per the City of Fort Cdrns zone maps. MSIh the existing site dopes of op roxknotelO80.3% to Ok?gAA the new Imwovemenla will be subjected to both wind and rainfall w Ion. M "EMERY IS Is ,arrt m TELL SECTION a %* e M t \ for the site consists of fallow land that ie currmu been pr apmen Proper Y Y 9 SMI formed and Irrigated. m paw an I. Soil and vehicle fuel and fluids mtbipated polulim s for the HIM Pond and 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s .... wwwwwoo®©woo wwwwwwlwwwwww �wwwwwlwwwwww --�www�wwwwww www�wwwwww w_w_w_w_w_wlw_w_w_w_w_w_ C7www�wwwwww wwwwwwlwwwwww wwwwwwlwwwwww w�wwwwlwwwwww LJwwwwlwwwwww ... C�www�wwwwww wwwwwwlwwwwww wwwww�wwwwww wwww_w_wlw_ww_w_w_w wwww��wwwwww I�PZLm�E�wwwww_wwwwww t'-zn9KYr(SRR'^eii✓ffi�r R45 ________-__®oF.u""fi,� r wwwww�wwwwww �wwww�wwwwww w-www�wwwwww w-www�wwwwww wwwwwwlwwwwww wwwww�wwwwww 0 ad ww1,FLRm,I IN In w------wwww -----wwww wwwww�wwwwww wwwww�wwwwww ���wwwl��wwww Table 11.2. Recommended Species and Application Rates of Seeds z Gw•� for Temporary Vegetation and/or Cover Crops A Species Season t Drill" Pounds/Acre Ld Annual Ryegroes Cod 20 Ld 'r 1. Oats Cod 70 Cereul Rya Cod 40 U Whorl - Tinter Cod 4D Wngl Spring Cod 6D Barley Cad 6o Milel Warm 30 Hyland Sudan Warm 15 Sorghum Warm 10 UNSEEN Cool seosan grosses make their major growth in the spring. Warm moeon Tosses make thmr m )W growth in late spring and summer. Table 114 Idmtifw; planting M dates for perklr,n,al and temporary/cover crop grasses. $iF9 Table IP4. IRmting Dates for Pwmniol and Temporary/Cover Crop Grasses. DATE PERENNIAL TEMPORARY/COVER GRASSES CROP GRASSES Worm Cool Worm Cool Jon 01 - Feb 28 Yes Yes No No Mar 01 - Ma 15 Yes Yea No Yea May 16 �,MMifyale.-y Yes No Yea No p +Aeer� ANo No Yes No g'DOFEE TSg331 No Yea No Yee S p 01 - SaD 00 No No No year Oct 01 - Dec 31 Yes Yea No No Mulching Britoil be used to assist in Establishment of wgetalim. One or more of the following mulches shall be used with a pwennial dryfond gross amid mixture. or a temporary Vegetation or cover crop. Mulch Acceptable Dates of use Application Rate Straw or Hay Jon 01 - Dec 31 1 1/2-2 lone/acre Hydraulic (wood an popes) Mar 15 - May 15 1 1/2-2 tone/ocre Erosion contrd (mats or blankets) hie Ot - Dec 31 Not applicable Hay An straw mulch shall be free of noxious weeds and at (Cast 50% of the fiber aholl be 10 Inchon W more In length. When seeding with native Wassea hay from a native gross is a suggested mulching malwicl, if awlloble. CURB INLET (15) Toms Ire that salhark Ala Out fill WWMda Ms wle wI --WmaEhMn- If kr' otion is used. hysrmlk mulches may De applied from March 15 through S 30 WIRE SCREEN padmmwwevm Cron BMR ahml be hAaw" Mohamed uNl He Mere mrae diim4 N Y DDep aecKED eY: IOaF GRAVEL FILLER z-xa' WOOD STuo as ller"Eed ter Me noon control mepw .. When dCky MrMtw NDPES PERMIT NOTES Hay 1 Straw Mulch MIRE SCREEN (a.) Bobs at rl ts. - DESUCHED Be l0oxb SECTION A @J DM ben:Iq. moss. 1. SIIE DESCRIPTION: 1. Hayes straw mulch will De anchTee to the soil by me of PLAN VIEW (p) ONE SMRagarw a. I WRe construetfon which consists of pond and crushw fine trail grading. storm sewer Ube following methods: GENERAL NOTES: A y/ DRAWN BY. Ialsk 1. INSPECT AND REPAIR FILTERS AFTER EACH STORM EVENT. (d.) (11M1rb[adlsifnwle. pqe, and wales qudil tletmlim pane outidl/control slruclures. (184 cryaNmam WaAm mry xwmmemdm could meewxasm aaeeanmNlnhMlw.nmlhwpb. (a) A crimper which will Crimp the fiber four Inches or REMOVE SEDIMENT THEN ONE HALF OF THE FILTER DEPTH The oem $bid knpNnxm weetwr Manures was d+v,rk+ed nw"n ..as by, oil D. The major actiHties are planes M the following sequence: more Into the Soil. At least 50% of the flow HAS BEEN FILLED. REMOVED SEDIMENT SHALL BE DEPOSITED CAPConty 1. Clearing Rod Grubbing neceasmy for perimeter conlyds men be 10 Inches or more in length, IN AN AREA TRIBUTARY TO A SEDIMENT BASIN OR OTHER 2. Installation of pwknetw contrds. FILTERING MEASURE. 3. Demdition of existing asphalt, struetureR and site items, m applicable far alorml (b) Monufaeturee mulch netting Installed over the IT Sewer CMaCetIons to existing systems. or straw OCCoreng to mwufactums Instmctlms. 2. SEDIMENT AND GRAVEL SHALL BE IMMEDIATELY REMOVED 4. Btwm Sewer construction to connect outfoll systems and lie -in to existing FROM TRAVELED WAY OF ROADS. systems. Asphalt replacement at lie-in/emnectim locations to existing systems. (C), Tockif ers Sprayed on the mulch to the 5 Grading of pod one od)ocml green arena droinage Swale/chmnel and cruchw monufmturial ecammendation EROSION CONTROL CORK INLET GRAVEL FILTER fine traI/paths 2. Ant how or hay must be Rea of noxious weeds __/'RemSvLT a(LE'n rNom9�A9amwxeMrww>k�.^..wr.rw.e. ... ww.M lei 4rL1 .,r... ;.•l'--srMgiin,Rke.eYw-..f+R+dla RFRK, L PmvcDLVEeT PRm2crloH err.. -'- CLASSIFICATI NAND GRADATION OF ORDINARY RIPRAP The limits of development (Lao) boundary for the vma area <mla'Es aPRpxinlalay mvrvr� SIM."tT 8.34 acres, all of which n expected to undergo clearing and/or grading to lie in to m arum existing topography and to construct storm www I \fall and drainage improvements �- oo MISS for the HIM Retail parcal (north of TMberwood Drive), a veal as far future Torero&TT eD to ME dsvaopmenl within the HTP Campus for the asamiated mostreplon basin area. HART v.a d, Ratbnd OC" - 0.25 before crosWdlon with a Roliond NICE value of 0.80 allowed aft r -construction, per HTP Mostwplon SWMM Model. The Rationd NO. series from 0.25 to 0.40, with are average COW bang 0.30 for the HIP Pond area. The site May within the ram Moderate Rainfall ErodbUily Zone and Low Ina Evedisliity Zone per the City of Fort Cdrns zone maps. MSIh the existing site dopes of op roxknotelO80.3% to Ok?gAA the new Imwovemenla will be subjected to both wind and rainfall w Ion. M "EMERY IS Is ,arrt m TELL SECTION a %* e M t \ for the site consists of fallow land that ie currmu been pr apmen Proper Y Y 9 SMI formed and Irrigated. m paw an I. Soil and vehicle fuel and fluids mtbipated polulim s for the HIM Pond and 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s Table 11.2. Recommended Species and Application Rates of Seeds z Gw•� for Temporary Vegetation and/or Cover Crops A Species Season t Drill" Pounds/Acre Ld Annual Ryegroes Cod 20 Ld 'r 1. Oats Cod 70 Cereul Rya Cod 40 U Whorl - Tinter Cod 4D Wngl Spring Cod 6D Barley Cad 6o Milel Warm 30 Hyland Sudan Warm 15 Sorghum Warm 10 UNSEEN Cool seosan grosses make their major growth in the spring. Warm moeon Tosses make thmr m )W growth in late spring and summer. Table 114 Idmtifw; planting M dates for perklr,n,al and temporary/cover crop grasses. $iF9 Table IP4. IRmting Dates for Pwmniol and Temporary/Cover Crop Grasses. DATE PERENNIAL TEMPORARY/COVER GRASSES CROP GRASSES Worm Cool Worm Cool Jon 01 - Feb 28 Yes Yes No No Mar 01 - Ma 15 Yes Yea No Yea May 16 �,MMifyale.-y Yes No Yea No p +Aeer� ANo No Yes No g'DOFEE TSg331 No Yea No Yee S p 01 - SaD 00 No No No year Oct 01 - Dec 31 Yes Yea No No Mulching Britoil be used to assist in Establishment of wgetalim. One or more of the following mulches shall be used with a pwennial dryfond gross amid mixture. or a temporary Vegetation or cover crop. Mulch Acceptable Dates of use Application Rate Straw or Hay Jon 01 - Dec 31 1 1/2-2 lone/acre Hydraulic (wood an popes) Mar 15 - May 15 1 1/2-2 tone/ocre Erosion contrd (mats or blankets) hie Ot - Dec 31 Not applicable Hay An straw mulch shall be free of noxious weeds and at (Cast 50% of the fiber aholl be 10 Inchon W more In length. When seeding with native Wassea hay from a native gross is a suggested mulching malwicl, if awlloble. CURB INLET (15) Toms Ire that salhark Ala Out fill WWMda Ms wle wI --WmaEhMn- If kr' otion is used. hysrmlk mulches may De applied from March 15 through S 30 WIRE SCREEN padmmwwevm Cron BMR ahml be hAaw" Mohamed uNl He Mere mrae diim4 N Y DDep aecKED eY: IOaF GRAVEL FILLER z-xa' WOOD STuo as ller"Eed ter Me noon control mepw .. When dCky MrMtw NDPES PERMIT NOTES Hay 1 Straw Mulch MIRE SCREEN (a.) Bobs at rl ts. - DESUCHED Be l0oxb SECTION A @J DM ben:Iq. moss. 1. SIIE DESCRIPTION: 1. Hayes straw mulch will De anchTee to the soil by me of PLAN VIEW (p) ONE SMRagarw a. I WRe construetfon which consists of pond and crushw fine trail grading. storm sewer Ube following methods: GENERAL NOTES: A y/ DRAWN BY. Ialsk 1. INSPECT AND REPAIR FILTERS AFTER EACH STORM EVENT. (d.) (11M1rb[adlsifnwle. pqe, and wales qudil tletmlim pane outidl/control slruclures. (184 cryaNmam WaAm mry xwmmemdm could meewxasm aaeeanmNlnhMlw.nmlhwpb. (a) A crimper which will Crimp the fiber four Inches or REMOVE SEDIMENT THEN ONE HALF OF THE FILTER DEPTH The oem $bid knpNnxm weetwr Manures was d+v,rk+ed nw"n ..as by, oil D. The major actiHties are planes M the following sequence: more Into the Soil. At least 50% of the flow HAS BEEN FILLED. REMOVED SEDIMENT SHALL BE DEPOSITED CAPConty 1. Clearing Rod Grubbing neceasmy for perimeter conlyds men be 10 Inches or more in length, IN AN AREA TRIBUTARY TO A SEDIMENT BASIN OR OTHER 2. Installation of pwknetw contrds. FILTERING MEASURE. 3. Demdition of existing asphalt, struetureR and site items, m applicable far alorml (b) Monufaeturee mulch netting Installed over the IT Sewer CMaCetIons to existing systems. or straw OCCoreng to mwufactums Instmctlms. 2. SEDIMENT AND GRAVEL SHALL BE IMMEDIATELY REMOVED 4. Btwm Sewer construction to connect outfoll systems and lie -in to existing FROM TRAVELED WAY OF ROADS. systems. Asphalt replacement at lie-in/emnectim locations to existing systems. (C), Tockif ers Sprayed on the mulch to the 5 Grading of pod one od)ocml green arena droinage Swale/chmnel and cruchw monufmturial ecammendation EROSION CONTROL CORK INLET GRAVEL FILTER fine traI/paths 2. Ant how or hay must be Rea of noxious weeds __/'RemSvLT a(LE'n rNom9�A9amwxeMrww>k�.^..wr.rw.e. ... ww.M lei 4rL1 .,r... ;.•l'--srMgiin,Rke.eYw-..f+R+dla RFRK, L PmvcDLVEeT PRm2crloH err.. -'- CLASSIFICATI NAND GRADATION OF ORDINARY RIPRAP The limits of development (Lao) boundary for the vma area <mla'Es aPRpxinlalay mvrvr� SIM."tT 8.34 acres, all of which n expected to undergo clearing and/or grading to lie in to m arum existing topography and to construct storm www I \fall and drainage improvements �- oo MISS for the HIM Retail parcal (north of TMberwood Drive), a veal as far future Torero&TT eD to ME dsvaopmenl within the HTP Campus for the asamiated mostreplon basin area. HART v.a d, Ratbnd OC" - 0.25 before crosWdlon with a Roliond NICE value of 0.80 allowed aft r -construction, per HTP Mostwplon SWMM Model. The Rationd NO. series from 0.25 to 0.40, with are average COW bang 0.30 for the HIP Pond area. The site May within the ram Moderate Rainfall ErodbUily Zone and Low Ina Evedisliity Zone per the City of Fort Cdrns zone maps. MSIh the existing site dopes of op roxknotelO80.3% to Ok?gAA the new Imwovemenla will be subjected to both wind and rainfall w Ion. M "EMERY IS Is ,arrt m TELL SECTION a %* e M t \ for the site consists of fallow land that ie currmu been pr apmen Proper Y Y 9 SMI formed and Irrigated. m paw an I. Soil and vehicle fuel and fluids mtbipated polulim s for the HIM Pond and 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s CURB INLET (15) Toms Ire that salhark Ala Out fill WWMda Ms wle wI --WmaEhMn- If kr' otion is used. hysrmlk mulches may De applied from March 15 through S 30 WIRE SCREEN padmmwwevm Cron BMR ahml be hAaw" Mohamed uNl He Mere mrae diim4 N Y DDep aecKED eY: IOaF GRAVEL FILLER z-xa' WOOD STuo as ller"Eed ter Me noon control mepw .. When dCky MrMtw NDPES PERMIT NOTES Hay 1 Straw Mulch MIRE SCREEN (a.) Bobs at rl ts. - DESUCHED Be l0oxb SECTION A @J DM ben:Iq. moss. 1. SIIE DESCRIPTION: 1. Hayes straw mulch will De anchTee to the soil by me of PLAN VIEW (p) ONE SMRagarw a. I WRe construetfon which consists of pond and crushw fine trail grading. storm sewer Ube following methods: GENERAL NOTES: A y/ DRAWN BY. Ialsk 1. INSPECT AND REPAIR FILTERS AFTER EACH STORM EVENT. (d.) (11M1rb[adlsifnwle. pqe, and wales qudil tletmlim pane outidl/control slruclures. (184 cryaNmam WaAm mry xwmmemdm could meewxasm aaeeanmNlnhMlw.nmlhwpb. (a) A crimper which will Crimp the fiber four Inches or REMOVE SEDIMENT THEN ONE HALF OF THE FILTER DEPTH The oem $bid knpNnxm weetwr Manures was d+v,rk+ed nw"n ..as by, oil D. The major actiHties are planes M the following sequence: more Into the Soil. At least 50% of the flow HAS BEEN FILLED. REMOVED SEDIMENT SHALL BE DEPOSITED CAPConty 1. Clearing Rod Grubbing neceasmy for perimeter conlyds men be 10 Inches or more in length, IN AN AREA TRIBUTARY TO A SEDIMENT BASIN OR OTHER 2. Installation of pwknetw contrds. FILTERING MEASURE. 3. Demdition of existing asphalt, struetureR and site items, m applicable far alorml (b) Monufaeturee mulch netting Installed over the IT Sewer CMaCetIons to existing systems. or straw OCCoreng to mwufactums Instmctlms. 2. SEDIMENT AND GRAVEL SHALL BE IMMEDIATELY REMOVED 4. Btwm Sewer construction to connect outfoll systems and lie -in to existing FROM TRAVELED WAY OF ROADS. systems. Asphalt replacement at lie-in/emnectim locations to existing systems. (C), Tockif ers Sprayed on the mulch to the 5 Grading of pod one od)ocml green arena droinage Swale/chmnel and cruchw monufmturial ecammendation EROSION CONTROL CORK INLET GRAVEL FILTER fine traI/paths 2. Ant how or hay must be Rea of noxious weeds __/'RemSvLT a(LE'n rNom9�A9amwxeMrww>k�.^..wr.rw.e. ... ww.M lei 4rL1 .,r... ;.•l'--srMgiin,Rke.eYw-..f+R+dla RFRK, L PmvcDLVEeT PRm2crloH err.. -'- CLASSIFICATI NAND GRADATION OF ORDINARY RIPRAP The limits of development (Lao) boundary for the vma area <mla'Es aPRpxinlalay mvrvr� SIM."tT 8.34 acres, all of which n expected to undergo clearing and/or grading to lie in to m arum existing topography and to construct storm www I \fall and drainage improvements �- oo MISS for the HIM Retail parcal (north of TMberwood Drive), a veal as far future Torero&TT eD to ME dsvaopmenl within the HTP Campus for the asamiated mostreplon basin area. HART v.a d, Ratbnd OC" - 0.25 before crosWdlon with a Roliond NICE value of 0.80 allowed aft r -construction, per HTP Mostwplon SWMM Model. The Rationd NO. series from 0.25 to 0.40, with are average COW bang 0.30 for the HIP Pond area. The site May within the ram Moderate Rainfall ErodbUily Zone and Low Ina Evedisliity Zone per the City of Fort Cdrns zone maps. MSIh the existing site dopes of op roxknotelO80.3% to Ok?gAA the new Imwovemenla will be subjected to both wind and rainfall w Ion. M "EMERY IS Is ,arrt m TELL SECTION a %* e M t \ for the site consists of fallow land that ie currmu been pr apmen Proper Y Y 9 SMI formed and Irrigated. m paw an I. Soil and vehicle fuel and fluids mtbipated polulim s for the HIM Pond and 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s 5O 0 I� O O 0 wz 111 associated HIM Retail project. However, there will be no vehicle storage or dmnng EST z O a�� Tte. M micd storage Is not anticipated lI site. Reese refer to the Slwmwater • ey • 1FMI ME AT USED 5o PERCM T THE MSS SHALL BE STprtS EW4 ro CR VMER THAN z yb� -�T°jw)wMCI raise m Imr Managemml Plan for o complete list of anticipated pollutions +er � THE DITAILS *KRN11A wT� I n gory ado 4 TO 1 2LTE5 aR 4FWr RMX F ML AR DEEM. O0OX rTy6oT TIOHa paws M m m w er orbrta aMvu g, There may be anikyoted non-s\armwalm cwnpmmta of diwharge&Floss reiw to \be 0Starmwoter Management Plan for a complete list of anticipated pollution sources. ImmlLL xb. The downs(reanl eceiMng water is \ine Fossil Creek Drainage Ditch. $term water runoff 0 from the devaoped portion of the HTP Retail site (north of Tmberwood Drive) ell bS ine exis\in¢ adjacent agricultural Rind areas wilnn \ine said bash, will be coveyed tothe proposed detention pond 100 (combines SWMM ponds 101, 600. mtl 301), vin curbPONVIE gutter, curb cuts, atom x er piling, channds and o"riand sheet now. The detmtioq 0 Plana will discharge to proposed storm aeww systems M Lady Mom Drive and Technology X Oplames, ALL Parkway. which ullinnody discharge to the existing storm seww system In Rock Creek yy W I TOTAL STRAV WATTLES IF WORSENTEE WITH MISS fiWIMCLMS Drive, which convoy's Rows east and southeast of the site. Please refer to the HIPNNIVENNEEN.I 1 " m ".r usµ "." oho " .u.aorA..�. mM,Muu,uamm.,wverT. Finn aw[ w ® r,a hirer r n' _ M LINE Third Filing report Ise addtbnal hlaila on the existing autfoll system, ere - a rend USE me" m rm, v¢O�pro hITrmoiHs a non ee." INLET .mrzc. N nw[ru[x ow. AT IMoTED rm w c.0 ANSI ffM INKIN �'- eNEV[M.A.aAre.ws.weMt[:m.. ¢CA MMOpa Tm[u ...,ec SILT FENCE 2. MAP,.'... INLET MXCI a Cw TWS w.. IF e Eb AFTER ine. Are vxn o See Drainage At Erm1m control Plan. Z O MAW WAME OR GRAVEL FILTER FOR PIPES, HUMES, rwTEs. 3.BMP'S FOR STMMWAWR PIX UFM PREVENTION: CALL UTILITY NODFIGEM e uEx%M TRaCIwa BEAT 51P11 eE IDFAIFD a. Erosion and Sediment Contrdx See Erosion Control Notes and Sequence Table (this CENTER OF COLORA00 OU heel. 1-800-922-1987 T FhTn ENTINXCFJWf 10 ,IC C9NBIRMCIILW S11E. ) SLOPE b. Materials Hn mat and Spill Pade. and ivoul o sexu bemunaMakm to cables Imo- (g 2. YTE NEE ED ED C err ANSE eE 1W MOM Cmsvudlm malerla: ma waa\e, no cleave or iteBan a t e t e1 mention e) to y 4 AS xIFLEo ro MMNa ANY w1FRP1 FaoH eDNG �sure then and olhw malwla5 ado not leave Me site ma enter the ae\mlim pone For w > .f T KM ,x2fo CITY SHEET. which evmlually mtlela to the Pou&e Riven. Concrete. bustling materials, waste, and MEMMRUTLME K eN u BE42 TA' y 5@MFNT .aO �MM WTFRNL 2FLLED. DROPPED aeanup by-products a mid not be Ois arged into the on slwm sewer aN\ism O ¢O p W OR TPOLHm 01110 PIY sIrQET sI BE IMMMAMY des should they pater the on -ale detentlm pod. In the event or a spin from the REMDVED, site into storm aeww system or AL Nita eetmum vma. appropriate me mores shou a pia be undedakm immeeioldy to remow the spilled materials and prevml future Spills City c Fort Collins, Colorado ORE O = SRI STATE CLASSIFICATION FOR NOMINAL VNI Sad from occurring. UNTIL PLAN APPROVAL LOCH ENTRY FOR PLANS ECONCEPBEEN T ONLY. DTHE THE Op/o` ? STONE SITE ay APPROVED: REVIEW DOES NOT IMPLY RESPONSIBILITY MY �/ T` 4. FINAL STABRIZARON AND LONG-TERM far finals MANAGEMENT: SIN See Erosion Control Notes IMa chen\ for find slahilizallon mwaurm to control City Egimer DAM THE REVIEWING DEPARTMENT, THE LOCAL ALL EDGES VILL BE 'TDEa' INTO ABOVE DIMENSION a pollutants in Ntarmwpter tlischorgEs. AENTIETYCCURACY ENGINEER. OR THE LOCAL ENTITY FOR : p °n CIECNED tiy: G �f2AWe` B RIP -RAP ID HE LRDUTEDR 5. OTHER CONTROLS: W 8 Wadmatar UBIRy Dale ACCURACY AND CORRECTNESS OF THE Q CREDIT SHALL BE IN ACCMDMCE TO a. Measures should he unMtaken \o remove excess wmle protlacls from the site and CALCUTAigNS. FURTHERMORE, THE REWEW /O `NIESir ASTWC1107-LATEST REVISIM. 112• _ 5- MACY diWp of these waste materias all -site in m appropriate mmnec In addition. CHECKED BY: GOES NOT IMl THAT OUNYIRIES OF ITEMS ATP xOxSurnew GROUT SHALL BE VIBRATED IN PLACE measures StR water Ulili Date ' TOPS OF EXPOSED RIP -RAP WILL BE I/2 - 3/a- nL1FR IArte o should cl undertaken to limit off -site l tracking of mud and ked al lY ON THE PUNS ARE THE FINAL OUMITITES WET BRUSHED AND CLEANED UP GROUT S spillage Ram vMided Moving the site. Mad and debris should not de tracked along CHECKED BY: REQUIRE, THE REVIEW SHALL NOT BE TO EXPOSE RIP -RAP COLOR. AN MN. roadways and allowed to mtw non-pro[eclea trainoge wan which aiscnoege eventual Pods R Rmreodon Dale CONSTRUED IN ANY REASON AS ACCEPTANCE Pwwecrx la(saps into the Cache Lo Poudre River. OF FINANCIAL RESPONSIBILITY BY THE LEGAL Tc 1/20/16 CHECKED Br: ENTITY FOR ADDITIONAL OUANTMES OF ITEMS w VEHICLE TRACKING MAT 6. INSPECDON AHD MAHNTENANCE: Traffic Ermine er Date SHOWN THAT MAY ET Y BE REQUIRED DURING THE SHENo: ASPH RIP RAP DRAWING . Inspection and maintenance chmld be andertakm m a regular basis as Outlined in $action 6 o1 the Terms and Cantlitions of the CDPS General Permit. CHECI(ED BY: CONSTRUCTION PHASE. Environmmlal Planner Date 5 OF 9 peRAP S OF ITN NfxPD SIMLW WDINE SUE 1• NSCIM1gN TXSX RE O so (IN PoVIOS) (RCHM) clAa WE M - 100 eM1 by - 2q 35 Ps - b 10 B 2 - 10 <1 CLASS 12 Al - IDD 44D By - m Its 25 - b N 12 2 - 10 3 CIAS IB I am I2M b - 20 MS 25 - 50 275 fie l 2 - 10 to CIA45 24 IBM m 50- ro 1JW 25 - Se 655 24 2 - 10 3s / __ I /? /M l l __ _--'--1� L---I-------------/ 1 /' TIMBERWOOD DRIVE _ / i i OLDBI _ ____— ASS ___—__—I�----y�r _ rTO^-ABOVE � L / I - \, - y ys- -_---� B- �A ALI 114 ' FUEL A, AS AS A _____ POP AS AYk / / I > .' OFF �,' OF r----------- /' I l I yy oioww /' I I FNBew ! I WEST TH ANDEDGET 1 li 1 /li`' // 1 ENAT lI I wTP AS A�s`E / FKFWXWw / II eXovm1/ Emawc°arnRanWRc / Polo _ j / I I \ / I J I I ` l / /% NeTAIL WATTLE I - i ' li Il_ I l xIEr FLTER II IT A ' �1 I L /1 I I II f i Iit F-T � � � .m�XDR,, it ------ -' uvr wBWT _4kA1 ___FEET -_=i 1 II =cc.=_=_" II I\. ____ _ ______ ____________ _III "v --- ------ 4Na1=-= -- - rTf \1`1 = _ __-- - 1 I r NNmPwro__ Wwmu>M II III i '/ I ,\ L_�_.'________FFwLm 'r uLa uro / IILIII � I' wmNLeFEau ,� I / n1�eANL`r MULCH `�F`� 'IxerAu'w.NCLE _ Twclaw PAID i /� _ �� ��c . .owl _ ___ ________ ____________ I / I Y I �-,,. IxrINlmALa1 _D _n _ __ -� `f mI / S I I 0 BY AIR I � I I FAAFAA 33 f AS I l I uuLla I / /' FoxDB TN,ema 11 l'� I 1 MVLCX I / ITAT L___________________1_y ppppp ' l AT 1 7 1 1/ L____________ l - i I 1 - i I I I , I i I \ I � I �'� \ I _11 �� \\ ``` I ,`�\ y I MULCH \ \ I I I HEY,� `IF 1 I \ 4 IAS 0 I \ ASS, i 4BIM 1 ' _ A FOR, Z ,.. .. .. _..xv.. - JI ..,I .Tt.N\�...��.I�_ �'". ,„,e,,,., .,....w -� ' .:-�sW........._ ♦ IiN:U„Ii#'. ..Ro.:+e,n..W _. I BE AS f _ A 1e� 1 L_ _ - I I � � PIwPLwronxrewxD 1 � I 1 I I I I I I I I IF NOTES 1) CONTRACTOR TO INSTALL SILT FENCE, PRNJR TO BEGINNING CIXISIRUCTONACTIVITES. TOTAL LENGTH S) VEWCIE WAREFUNG PADS) LOCATIONS BWUL BE DETERMINED BY WE CONTRMTOR AND PRIOR TO OF SILT FENCE FAAI LF(FOR SILT FENCE ALONG NORTH, WEST. SOUTH. AND EAST SIDES OF POND Us CONSTRUCTION, AND SHALL BE INSTMIFD ACCORDINGLY. TRACKING PAID LOCATIONS SHONH IN THIS PLAN STORM OUTF M L PIPES. WALL BE COORDINATED WV TMBERVAOD DRIVE IMPROVEMENTS. AND WALL BE INSTALLED ACCORDNGLY. 3) ALL DISTURBED AREAS ME TO BE SEEDED AND MULCHED. T) SEE SHEETMn FM EROSION CONTROL N MSAND DETNW J)STOCK PILES SHALL NOT TO E%CEED tDINHEIGHT. B)PLEASEREFERTOTHEI MCAPEPLANSFOi PLANINGPLANSMOOTHERSITEFEATURESTOSE INSTALLEUVATHIN THE POND ARENBW HOMY. 4) ALL OFFSITE AREAS DISTURBED DURING CONSTRUCTION ARE TO BE REAGGETATED MO RETURNED TO HISTORIC CONDITION. B) NORTH AMERICAN GREEN FABRIC SHALL BE INSTALLED PER THE MMUFA MRWS RECOMMENDATIONS AND REQUIREMENTS. PLEASE REFER TO THE DETAIL ON SHEETASPS. 5) GRAVEL INLET FILTERS SHALL BE INSTALLED ON THE PRWOSED AND EXISBNG STREET INIf .ADJACENT TO OR DOWNSTREAM OF WE PROJECT. AS VELL AS OTHER NEARBY EXOSONG INLETS. M MAY BE DETERMINED BY THE CITY OF FORT COLLINS EROSION CONTROL INSPECTOR. ewE a B® INS? im } 4905— PRL D NDEx CCNTWH - 5 FT IN1ERvu 4906— PROPOSED INTERMEDIATE CONTOUR - 1 R BNBRvu YEXICLE TROUBLED PAD SF OLT FENCE y NINE RAP v. ,y HE BATTLE CHECK DAN 6 O HAY OR MAW DRY ALLEN O-SB) OF DRANEL IILET FILTER ° _ UM17S OF DEVELCPMENI PEP,! SECTION A-1 FU PUN VIE A omwawe. j� A SECTION AFF T ,� PROFILE VIEW aurur� 1 POSIONCRAN APPLE MAP I FRONT OF Qur A r GRAPTARMANO REMARKABLE AT REAL BRIEF T ARE FOR BEAUTY • BANNER GREW FILTER A" 1 01 ASHORE ASSEMBLY ASIA I RARE FAIN EIENI AND IIAPFFWAWI AL ��V ALI SHARE WALL BE LABOR. •MSEDIMENT BASIN GRAVEL FILTER FOR POND 100 lCity of Fort Collins, Colorado IE UTILITY PLAN APPROVAL AFPRWED: City EIyIINer Dote CHECKED BY: Water & Wastewater Utility Date CHECKED Bf: Stormeatar Ulllily Date CHECKED BY: Parks A Recreation Date CHECKED B!: Traffic Engineer Date CHECKED BY Emironmentai Planner Dale THESE PUNS HAVE BEEN REVIEWED BY THE LOCAL ENTITY FOR CONCEPT ONLY. THE REVIEW DOES NOT IMPLY RESPONSIBILITY BY THE REVIEWING DEPARTMENT, THE LOCAL ENTITY ENGINEER. OR THE LOCAL ENTITY FOR ACCURACY AND CORRECTNESS OF THE CALCULATIONS. FURTHERMORE, THE REVIEW DOES CALL UTILITY NOTFICHTION CENTER OF COLORL N07 IMPLY THAT QUALITIES OF ITEMS ON THE PLANS ARE THE FINAL QUANT91ES MOUNTED. THE REVIEW 1-800-922-1987 DL NOT BEAS ACCCCEEPTANCE OFCONSTRUED RNANCLAL RESPONSIN ANY IB TEAST BY ME FALL 2 BUSINESS DAYS IN ANSANGE BEFORE ANU DIG BESIDE On EAGAVARE aR LOCAL ENTITY FOR ADDITIONAL QUANTITIES OF ITEMS SHOWN THAT MAY BE REWIRED DURING THE NEMIAR m,LRlA CONSTRUCTION PHASE. INeParECTI IOOW9 W E m/le SHEET NO: ASP4 4 OF B