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Home My WebLink AboutLot Certifications - 08/25/20212/14/17 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 August 23, 2021 Bucking Horse Filing Three 2508 Nancy Gray Avenue B2001740 Fort Collins, CO 80525 8720368002 2 2 20140047537 Troy W. Campbell 08/21/2021 TC TC TC TC TC TC TC TC 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: 12.Final site cleanup has been completed. 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 No Yes 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 homeowner after purchase 4 Troy W. Campbell troy@i2-consultants.com 970.217.9148 i2 Consultants, Inc. 16911 Potts Place Mead, CO 80542 TC TC TC TC TC 08/23/2021 i2 Consultants, Inc. 16911 Potts Place, Mead, CO 970.217.9148 troy@i2-consultants.com Exceptions to the Site Grading Policies/Requirements August 23, 2021B RE: 2508 Nancy Gray Ave, Fort Collins, CO Lot 2, Block 2, Bucking Horse Filing Three (Building Permit No. B2001740) EXCEPTIONS The top of foundation of the house is outside of the 0.2’ tolerance. The top of foundation is roughly 0.59’ lower than design. The high point elevation along the western property line is 0.65’ lower than design. The record survey slopes away from the house are less than 5% in the first five feet along the west side of the garage. There is positive drainage away from the house, however it is at a slope less than 5%. The elevation of the flowline matches the existing swale flowline elevation. A portion of the swale along the western property line is less than 2%. The swale is 1% along the common lot line with Lot 1. The elevation of the flowline matches the existing swale flowline elevation. The swale flow line is less than 6” below the finished grade at the structure along the western side of the garage. The adjacent lot is existing and has existing landscaping – the elevations for Lot 2 match the existing elevations. KEY MAP COS C OS KEY MAP 0 10'20'40'N O R T H 2.55 2.77 3.58 2.28 1.57 2.37 4.10 3.96 0.69 1.33 3.18 2.25 1.82 1.18 0.41 2.79 3.71 FF=5.49 TOF=4.00 CDB 210821 This exhibit is a representation of the site grading as of the date of the survey. The contractor is not relieved from construction according to approved plans and reports. Survey completed by Washburn Land Surveying 08/21/2021 Grading Certification completed by i2 Consultants, Inc. 1.0% 5.9% 5.0% HP HP 3.4% 3.5% 10% 17% 2% 7.7% 3.3% 2.5%7% 1.6% 3.5% 10.8% 18% 2508 Nancy Gray Ave Fort Collins, CO Lot 2, Block 2 Bucking Horse Filing Three Sheet G2 Scale: 1"=40' North