The URL can be used to link to this page

Home My WebLink AboutLot Certifications - 05/08/2018Date: 05/03/2018 Subdivision: 110769S11 T07 R69 Address: 1016W Mountain Avenue Permit Application #: Fort Collins, CO 80521 Larimer County Parcel #: 9711302016 Lot: Block: Larimer County Reception #: (on development agreement) I, (print) 1Mp1041.7iAtlSI4*rLO1'OF 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. No Yes -TZV 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 05/01/2018 (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. S. 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 area 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. 5/26/16 No _____ Yes 1H No 'M Yes No TTh Yes No_____Yes No Yes T314 No Yes TSH No Yes T14 Page 1 9.A smooth transition with no vertical offset (step) in grade is provided at the lot line to all No -Yes T4 adjacent properties. 10.The grading of this lot does not adversely affect neighboring properties or City No _____ Yes T3P4 infrastructure. 11.Landscaping has been completed prior to survey. If not, please indicate who will be No T4 Yes responsible for completing landscaping: b,J& 12.Final site cleanup has been completed. No Yes r3)4 13.I personally visited the site as part of the certification process, and in my professional No _____ Yes T'H opinion, the as-built survey is an accurate representation of the site conditions. 14.Based on this information, I certify that (check one): E The elevations and drainage patterns of the lot/site are insubstantial conformance with the City approved drainage and grading plan for the property (information attached). L( 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:7p4o1)+% 14ALA°DffF, pe, CFt-i. S. Email: 'tk L8 Phone: 07 • /Cfl• ads 3_ ia. Company: Address: 9D . 3D PE Stamp Sign and date 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) WaterUtilitiesEngfcgov.com Mailing Address Fort Collins Utilities ATTN: Water Utilities Engineering 281 North College Avenue Fort Collins, CO 80521 Questions? 970-221-6700 City f Ft°oEtins ities 5/26/16 Page 2 JOB NUMBER 39745.01 J-R ENGINEERING CLIENT DARRYLAUSTIN A Subsidiary of Westrian SUBDIVISION 110768—Si 1107R69 FILING N/ABLOCK N/A LOT N/A 7200 S. A l ton Way, Su i te C400' Centenn ia l, CO 80112 DATE 0 5/02 /18 DRAWN BY KRW 303-740-9393 • Fax 303-721-9019 • www.jrengineering.com DRAINAGE CERTIFICATE 50.00' S 8938'47 E 21.28 NV 21.201 1' CONC SOT OF 4" NOTCH IN TO M ATCH TOP OF 8 PIPE ,-CONC WALL 22.45,. 40' / 145 INV. 21.45 2 VC pip-- ___J - _ 4" CURB 'V 0OVED CART &2 STORY FRAME T023.00 'I> 27 5 V OW\SO. J2,6 - 27 62 2 1 ,69 21,63 '6' LOT '7' LANDMARK I41 UNPLA1TED RESIDENCES 19 '' ZCH 2 STORY FRAME AOOITION TOT 2300 1016 W MOUNTAIN AVE. TO TX 1 STORY FRAME FT 22.57 o DOWNSPOUT RU N OU I UG CN z fl- -, N B93541W ---- \ - - - - - W MOUNTAIN A VENUE 30 15 0 30 ORIGINAL SCALE: 1" = 30' THE PROPERTY DESCRIBED AS: 110768-511 T07 R69, CITY OF FORT COLLINS, COUNTY OF LARIMER, STATE OF COLORADO; (PER CLIENT) ALSO KNOWN AS 1016 W MOUNTAIN AVENUE. DRAINAGE CERTIFICATE THE ELEVATIONS, SLOPES AND DRAINAGE PATTERNS DEPICTED ON THIS CERTIFICATE WERE DEVELOPED BY JR ENGINEERING, INC., WHO PERFORMED A FIELD SURVEY OF THE PROPERTY ON MAY 01, 2018. THE ELEVATIONS MAY CHANGE SUBSEQUENT TO THE SURVEY DUE TO SUBSIDENCE, UPHEAVAL, EROSION, ACTS OF MAN, AND/OR OTHER FACTORS. THEREFORE, THIS CERTIFICATE MAY NOT ACCURATELY DEPICT THE ELEVATIONS AND DRAINAGE PATTERNS AFTER THE DATE OF SURVEY AND INSPECTION. THE UNDERSIGNED, A REGISTERED PROFESSIONAL ENGINEER, CERTIFIES THAT THEY HAVE INSPECTED THE SITE TO VERIFY THAT IT IS IN GENERAL ACCORDANCE WITH THE SURVEY DATA AND CONCLUDES THAT THE LOT WILL DRAIN ADEQUATELY IN CONFORMANCE W]TLJ THE OVERALL SUBDIV I SION DRAINAGE PLAN AND INDIVIDUAL LOT GRADING PLAN. ENGINEER'S STATEMENT z55,5iTh PREPARED UNDER MY DIRECT SUPERVISI •. : 37953 : - •5-_ 11 s:2 -S TIMOTHY JAMES HALOPOFF, P.E. COLORADO LIC. PE NO. 37953 S ION FOR AND ON BEHALF OF JR ENGINEERING, LL \C.';~Z~ ~~ 7200 South Alton Way, Suite C400 Centennial, CO 80112 303-740-9393 x Fax 303-921-7320 3930 Sinton Road, Suite 219 Colorado Springs, CO 80907 719-593-2593 x Fax 303-921-7320 X 2900 South College Avenue, Suite 3D Fort Collins, CO 80525 970-491-9888 x Fax 303-921-7320 MEMORANDUM To:City of Fort Collins, Bldg Dept. From:Tim Halopoff, PE, CFM Date:5-03-2018 Subject:1016 W Mountain Avenue – Drainage Certificate Supplement Certification of Lot Grading - Supplement Item: 3.Not all elevations are within 0.2’ of the approved grading plans, but the drainage intent has been met without impacts to adjoining properties. 4.All grades surrounding structures are at least 6’’ (0.5’) below TOF, except at the rear concrete patio where the grades are +/- 4’’ (.33’) below TOF. 11. It is industry standard to certify the grades prior to landscape installation. The landscaping was not complete at time of survey. Landscaping or temporary seeding/erosion control should be installed as soon as possible to prevent erosion of the bare soil. EXISTING IMPERVIOUS AREAS 1 STORY HOME AREA (SF) GARAGE SURFACE TYPE SHED HARDSCAPE 1232 225 60 573 TOTAL 2090 TOTAL ADDITION 3658 GARAGE/SHOP 958 1468 12321 STORY HOME PROPOSED IMPERVIOUS AREAS SURFACE TYPE AREA (SF)