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Home My WebLink AboutLot Certifications - 04/22/2016/15 Page 1 CERTIFICATION OF LOT GRADING Pursuant to 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 attached as-built survey dated (must be within 60 days of date of certification) accurately and truthfully depicting elevations for: z Top of foundation/finished floor z Finished grade on each side of the structure z Quarter points along each lot line (not more than 50 feet apart) z Break points/high points z Swales z Berms z Retaining walls z Air conditioning pads z Window wells z 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 25% (4:1). 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 not directed toward neighboring properties. No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes SMS SMS SMS SMS SMS SMS SMS SMS runoff to be directed toward the designed side yard swales located on the property lines. unprotected neighboring properties. It is acceptable for /15 Page 2 9. A smooth transition (no grade break) is provided 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): Ƒ 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). Ƒ 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 SMS SMS SMS SMS SMS 4-22-2016 Metco, the builder's landscaping contractor Steven M. Strickling sstrickling@civas-eng.com (720) 240-5882 CIVAS Engineering, LLC 10056 Brisbane Lane Littleton, CO 80130 ✔ 10056 Brisbane Lane Littleton Colorado 80130 tel 720-240-5882 fax 720-223-6092 www.civas-eng.com April 22, 2016 FORT COLLINS UTILITIES 700 Wood Street Fort Collins, Colorado 80521 Re: Lot 7, Block 11, Kechter Crossing Planned Land Division Certification of Lot Grading The elevations for Lot 7, Block 11, Kechter Crossing Planned Land Division deviate from the elevations shown on the City approved Final Grading Plan for Kechter Crossing Planned Land Division. The top of foundation elevation is approximately 0.5 feet higher, the northeasterly front property corner elevation is approximately 0.4 feet lower and the southeasterly rear property corner elevation is 1.2 feet higher than those shown on the Final Grading. However, the elevations and slopes for Lot 7, Block 11, Kechter Crossing Planned Land Division are in conformance with the City of Fort Collins lot grading criteria and the drainage patterns are in general conformance with the City approved Final Grading Plan for Kechter Crossing Planned Land Division. Therefore, it is our professional opinion that these elevation deviations will still allow for stormwater drainage to generally be consistent with the City approved Final Grading Plan. The elevation of the rear yard swale high point elevation shown on the Final Grading Plan is approximately 1.1 feet higher than the rear property line elevations shown on the Final Grading Plan. Additionally, the rear property corner elevations shown on Final Grading Plan are too low and don’t provide the 2% minimum slope for the side yard swales for the Type A lot drainage. The easterly side yard swale has a calculated slope of 0.4% and the westerly side yard swale as a calculated slope of 1.2%. Therefore, in order to provide the required 2% slope, a high point had to be constructed in both side yard swales, requiring a portion of the rear yard to drain to the rear property line into Common Area A then around Lot 8, Block 11 and to an area inlet that is connected to the curb inlet in Crossview Drive instead of to the front yard and into Crossview Drive, then into the curb inlet in Crossview Drive. However, it is our professional opinion that this required grading revision is not significant and will still allow for stormwater drainage to generally be consistent with the City approved Final Grading Plan. Sincerely, CIVAS Engineering, LLC. 4−22−2016 Steven M. Strickling, P.E. & TOF=4943.82 #5720 T:\Projects\KECHTER CROSSING\KECHTER CROSSING PLANNING LAND DIVISION.dwg, 4/20/2016 1:01:15 PM, KPollack 0.4% 1.2% April 22, 2016 Kechter Crossing Planned Land Subdivision 5720 Crossview Drive Fort Collins, CO 80528 B1502893 86082-18-007 7 11 20120065100 & 20130031272 Steven M. Strickling 3-22-16