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HomeMy WebLinkAboutLot Certifications - 02/24/20222/14/17 Page 1 CERTIFICATION OF LOT GRADING Pursuant to Fort Collins City Code § 26-544 & City Land Use Code § 3.3.2 (e) Date: Address: Lot: Block: Subdivision: Permit Application #: Larimer County Parcel #: Larimer County Reception #: (on development agreement) I, (print) , a Colorado registered professional engineer, verify that construction of all stormwater facilities and grading is complete and hereby submit this certification. Please answer the following questions by initialing the appropriate response. For each question initialed “No,” attach an explanation detailing how this will affect stormwater drainage for this lot and any adjacent lots. 1.Certification includes attached Stormwater-approved grading plan. (NOTE: City’s Building Department does not approve grading plans). 2.Certification includes the attached as-built survey dated (must be within 60 days of the date the certification is submitted) accurately and truthfully depicting elevations for: Top of foundation/finished floor Finished grade on each side of the structure Quarter points along each lot line (not more than 50 feet apart) Break points/high points Swales Berms Retaining walls Air conditioning pads Window wells Any other appurtenance(s) within an easement 3.All elevations are within a 0.2 foot tolerance of the approved grading plan. 4.The top of foundation is at least 6 inches above the highest grade surrounding the structure. 5.There is a minimum grade of 5% away from the structure within the first 5 to 10 feet adjacent to the residence. 6.All slopes meet or exceed the minimum requirement of 2% (1% is acceptable on single family lots when the swale is draining the runoff from only two adjoining properties) and are not steeper than 33% (3:1). 7.All flow lines of stormwater drainage swales are a minimum of 6 inches below the elevation of ground adjacent to the structure and will direct drainage as shown on the Stormwater-approved grading plan. 8.All downspout locations and discharge directions are shown on the as-built survey. Runoff is directed into an appropriate drainage system or lot line swale, and it is not directed onto neighboring properties. No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes 2/17/22 Tefft Acres 2209 Moffett Dr B2100522 Fort Collins, CO 80526 9728405003 3 N/A Jason T. Claeys 2/9/22 Note: The spot elevation along the back of house, elevation 67.7, is on the door slab and not finished grade Note: The survey provided does not show DS locations though they were confirmed in the field and discharge away from the building and do not affect neighboring properties. 2/14/17 Page 2 9.A smooth transition with no vertical offset (step) in grade is provided at the lot line to all adjacent properties. 10.The grading of this lot does not adversely affect neighboring properties or City infrastructure. 11.Landscaping has been completed prior to survey. If not, please indicate who will be responsible for completing landscaping: No Yes No Yes No Yes 14.Based on this information, I certify that (check one): □The elevations and drainage patterns of the lot/site are in substantial conformance with the City approved drainage and grading plan for the property (information attached). □The elevations and drainage patterns of the lot/site as measured are in general conformance with the City approved drainage plan with exceptions (information attached). In my professional judgment the elevations and grading of the lot/site as constructed are functionally adequate and equivalent to the specifically approved drainage plan, and will affect stormwater drainage on and off the lot/site in a manner consistent with the approved drainage plan. Name: Email: Phone: Company: Address: NOTE: A complete certification must be submitted at least two weeks prior to a request for a Certificate of Occupancy for the lot/site, including, but not limited to, drawings of the lot/site showing the approved design and as-built surveyed elevations of all structures, drainage and grading features, written information/explanation of discrepancies, and other information necessary to confirm the above certification to: Email (preferred) WaterUtilitiesEng@fcgov.com Mailing Address Fort Collins Utilities ATTN: Water Utilities Engineering 281 North College Avenue Fort Collins, CO 80521 Questions? 970-221-6700 PE Stamp Sign and date Currently not contracted but anticipated to be completed in the spring 4 Jason T. Claeys, P.E. jclaeys@highland-ds.com 970.674.7570 Highland Development Services, Inc. 6355 Fairgrounds Ave, Suite 100 Windsor, CO 80550 Note: The site in the immediate vicinity of the house/foundation, within 40± ft, is complete. Stockpiled material is to be used for backfill when existing house is demolished and debris pile to be removed weather pending. Neither of these 2 items affect the drainage performance around the building and do not adversly affect drainage onto neighboring properties. 13.I personally visited the site as part of the certification process, and in my professional opinion, the as-built survey is an accurate representation of the site conditions.. No Yes 12.Final site cleanup has been completed.No Yes Note: The building location was adjusted in the field to accommodate the existing septic tank and leach field. A grading exhibit was prepared and referenced for the final grades and is in general conformance with the approved grading plan. Both grade exhibits are included for reference. 2/17/22 LEACH FIELD TOF = 5067.85 FG = 5067.35 GARAGE ASBUILT TF = 5067.9 MAX FG = 5067.4 HI G H L A N D DEV E L O P M E N T S E R V I C E S 63 5 5 F A I R G R O U N D S A V E N U E , S U I T E 1 0 0 | W I N D S O R , C O 8 0 5 5 0 PH O N E : 9 7 0 . 6 7 4 . 7 5 5 0 | E M A I L : I n f o @ H i g h l a n d - D S . c o m | w w w . H i g h l a n d - D S . c o m OFSHEET DRAWN BY CHECKED BY DATE SCALE (H) HDS PROJ # SCALE (V) HE U S T I S R E S I D E N C E - 2 2 0 9 M O F F E T T D R I V E GR A D I N G R E V I S I O N 1/26/22 1" = 20' N/A JTC JTC 21-1046-00 GR REV 1 1 N W E S0 SCALE: 1" = 20' 2010 LEACH FIELD TOF = 5067.85 FG = 5067.35 GARAGE RE V I S I O N NO . BY DA T E HI G H L A N D DE V E L O P M E N T S E R V I C E S 63 5 5 F A I R G R O U N D S A V E N U E , S U I T E 1 0 0 | W I N D S O R , C O 8 0 5 5 0 PH O N E : 9 7 0 . 6 7 4 . 7 5 5 0 | E M A I L : I n f o @ H i g h l a n d - D S . c o m | w w w . H i g h l a n d - D S . c o m PREPARED BY OR UNDER THE DIRECT SUPERVISION OF: FOR AND ON BEHALF OF HIGHLAND DEVELOPMENT SERVICES OFSHEET DRAWN BY CHECKED BY DATE SCALE (H) HDS PROJECT # SCALE (V) HE U S T I S R E S I D E N C E 22 0 9 M O F F E T T D R I V E GR A D I N G & E R O S I O N C O N T R O L P L A N 8/12/21 1" = 20' N/A ACM JTC 21-1046-00 GR&EC 1 2 EROSION CONTROL NOTES 1.CONTRACTOR TO PROVIDE AND MAINTAIN ALL NECESSARY EROSION CONTROL MEASURES PRIOR TO AND THROUGHOUT CONSTRUCTION. PLACE EROSION CONTROL PROTECTION AT ALL EXISTING INLETS DOWNSTREAM FROM THE CONSTRUCTION AREA. EROSION CONTROL PROTECTION SHALL REMAIN IN PLACE UNTIL CONSTRUCTION IS COMPLETE AND ALL DISTURBED GROUND IS ADEQUATELY VEGETATED WITH APPROVAL FOR REMOVAL. 2.STRIP LIMITS OF STOCKPILE AREA, AS DELINEATED BY EARTHEN BERM, TO A DEPTH OF APPROXIMATELY 4" TO 6" TO REMOVE ALL SURFACE VEGETATION, SOD, TREE STUMPS, AND ORGANIC TOPSOIL. 3.THE EXTENT OF EROSION CONTROL PROTECTION SHALL BE OBSERVED AND ADJUSTED AS NEEDED DURING CONSTRUCTION BASED ON SITE CONDITIONS AND THE PERFORMANCE OF THE EROSION CONTROL MEASURES SHOWN, TO SUPPLY SUFFICIENT EROSION CONTROL AND PREVENT OFFSITE SEDIMENTATION. ADDITIONAL MEASURES AND MEANS NOT SHOWN SHALL ALSO BE IMPLEMENTED AS NEEDED. IT IS THE CONTRACTOR'S RESPONSIBILITY TO DETERMINE APPROPRIATE BMPS DEPICTED AND/OR NOT DEPICTED ON THIS PLAN. 4.CONTRACTOR TO MINIMIZE DISTURBED AREA AT ALL TIMES AND LIMIT DISTURBANCE TO AREAS WITHIN EROSION CONTROL BOUNDARIES. ADJUST EROSION CONTROL BOUNDARIES AS NECESSARY TO ADEQUATELY COMPLETE PROPOSED WORK. AREAS SHALL NOT BE CLEARED UNTIL THEY ARE TO BE CONSTRUCTED UNLESS APPROVED BY THE BY THE CITY OF FORT COLLINS EROSION CONTROL INSPECTOR. 5.ALL DISTURBED AREAS SHALL BE PREPARED (SEEDED & MULCHED, SURFACE ROUGHENING, ETC.) TO MINIMIZE EROSION POTENTIAL AND SOIL MIGRATION. ANY DISTURBED LAND MUST RECEIVE SURFACE ROUGHENING, INCLUDING BUT NOT LIMITED TO SLOPED AREAS. ANY SOIL STOCKPILE REMAINING UNDISTURBED AFTER THIRTY (30) DAYS SHALL BE SEEDED AND MULCHED. UTILITY NOTES 1.ALL EXISTING UTILITY LOCATIONS SHOWN HAVE BEEN DETERMINED FROM A COMBINATION OF RECORD DRAWINGS, SURVEYED FIELD MARK-OUTS AND PHYSICAL OBSERVATIONS PROVIDED BY OTHERS. THERE MAY BE OTHER UTILITIES NOT SHOWN ON THE DRAWINGS WHICH PRESENTLY EXIST IN THE AREA OF CONSTRUCTION. THEREFORE, THE CONTRACTOR SHALL VERIFY LOCATION AND DEPTH OF ALL EXISTING UTILITIES IN THE PROJECT VICINITY PRIOR TO BEGINNING WORK. THE CONTRACTOR SHALL COORDINATE AND PROVIDE PROTECTION OF CONFLICTING UTILITIES. NOTIFY OWNER/ENGINEER IF ANY CONFLICTS ARE ENCOUNTERED. THE OWNER AND/OR ENGINEER ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS SHOWN. 2.ALL UTILITIES TO BE PROTECTED IN PLACE UNLESS OTHERWISE NOTED. COFC STANDARD EROSION AND SEDIMENT CONTROL NOTES 1.THE CITY STORMWATER DEPARTMENT EROSION CONTROL INSPECTOR MUST BE NOTIFIED AT LEAST 24 HOURS PRIOR TO ANY CONSTRUCTION ON THIS SITE. 2.ALL REQUIRED BMPS MUST BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTIVITY (STOCKPILING, STRIPPING, GRADING, ETC). ALL REQUIRED EROSION CONTROL MEASURES MUST BE INSTALLED AT THE APPROPRIATE TIME IN THE CONSTRUCTION SEQUENCE AS INDICATED IN THE APPROVED PROJECT SCHEDULE, CONSTRUCTION PLANS, AND EROSION CONTROL REPORT. 3.PRE-DISTURBANCE VEGETATION SHALL BE PROTECTED AND RETAINED WHEREVER POSSIBLE. REMOVAL OR DISTURBANCE OF EXISTING VEGETATION SHALL BE LIMITED TO THE AREA REQUIRED FOR IMMEDIATE CONSTRUCTION OPERATIONS, AND FOR THE SHORTEST PRACTICAL PERIOD OF TIME. 4.ALL SOILS EXPOSED DURING LAND DISTURBING ACTIVITY (STRIPPING, GRADING, UTILITY INSTALLATIONS, STOCKPILING, FILLING, ETC.) SHALL BE KEPT IN A ROUGHENED CONDITION BY RIPPING OR DISKING ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL IS INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS OF WAY SHALL REMAIN EXPOSED BY LAND DISTURBING ACTIVITY FOR MORE THAN THIRTY (30) DAYS BEFORE REQUIRED TEMPORARY OR PERMANENT EROSION CONTROL (E.G. SEED/MULCH, LANDSCAPING, ETC.) IS INSTALLED, UNLESS OTHERWISE APPROVED BY THE STORMWATER DEPARTMENT. 5.THE PROPERTY MUST BE WATERED AND MAINTAINED AT ALL TIMES DURING CONSTRUCTION ACTIVITIES SO AS TO PREVENT WIND-CAUSED EROSION. ALL LAND DISTURBING ACTIVITIES SHALL BE IMMEDIATELY DISCONTINUED WHEN FUGITIVE DUST IMPACTS ADJACENT PROPERTIES, AS DETERMINED BY THE CITY ENGINEERING DEPARTMENT. 6.ALL TEMPORARY (STRUCTURAL) EROSION CONTROL MEASURES MUST BE INSPECTED AND REPAIRED OR RECONSTRUCTED AS NECESSARY AFTER EACH RUNOFF EVENT AND EVERY 14 DAYS IN ORDER TO ASSURE CONTINUED PERFORMANCE OF THEIR INTENDED FUNCTION. ALL RETAINED SEDIMENTS, PARTICULARLY THOSE ON PAVED ROADWAY SURFACES, SHALL BE REMOVED AND DISPOSED OF IN A MANNER AND LOCATION SO AS NOT TO CAUSE THEIR RELEASE INTO ANY DRAINAGEWAY. 7.NO SOIL STOCKPILE SHALL EXCEED TEN (10) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE PROTECTED FROM SEDIMENT TRANSPORT BY SURFACE ROUGHENING, WATERING, AND PERIMETER SILT FENCING. ANY SOIL STOCKPILE REMAINING AFTER 30 DAYS SHALL BE SEEDED AND MULCHED. 8.CITY ORDINANCE PROHIBITS THE TRACKING, DROPPING, OR DEPOSITING OF SOILS OR ANY OTHER MATERIAL ONTO CITY STREETS BY OR FROM ANY VEHICLE. ANY INADVERTENT DEPOSITED MATERIAL SHALL BE CLEANED IMMEDIATELY BY THE CONTRACTOR. 9.REFERENCE https://www.fcgov.com/airquality/fugitive-dust FOR THE FUGITIVE DUST MANUAL TO PREVENT AND MITIGATE DUST GENERATING ACTIVITIES. 10.SEE SHEET 2 FOR ADDITIONAL NOTES AND DETAILS. N W E S 0 SCALE: 1" = 20' 40201020 LEGEND EX MAJOR CONTOUR EX MINOR CONTOUR CONSTRUCTION ENTRANCE W/ VEHICLE TRACKING CONTROL DRAINAGE FLOW ARROW PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR CULVERT PROTECTION ROCK SOCK DIVERSION DITCH City of Fort Collins, Colorado UTILITY PLAN APPROVAL Traffic Operations, Park Planning and Development, Stormwater Utility, Water & Wastewater Utility, City Engineer, APPROVED: Environmental Planner, Approved Sheets Date APPROVED: Approved Sheets Date APPROVED: Approved Sheets Date APPROVED: Approved Sheets Date APPROVED: Approved Sheets Date APPROVED: Approved Sheets Date CALL UTILITY NOTIFICATION CENTER OF COLORADO CALL 2-BUSINESS DAYS IN ADVANCE BEFORE YOU DIG, GRADE OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER UTILITIES. before you dig.Call Know what's below. R 8/12/21