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Home My WebLink AboutLot Certifications - 05/24/2006 (19)City of Fort Collins Utilities electric • stormwater • wastewater • water CERTIFICATION OF LOT GRADING Pursuant to City Code § 26-544 and /jam City Land Use Code § 3.2.2 (e) Date: koi L -. Z (( 2,,=O o Permit Application No. poJ"UZ��z— Address: 3527 A4L.PsK/Ar- c ozg ?�a. Lot: Block: /a Subdivision: ivs5.0 4.4xf- �iy,� 54eo b STORMWATER RECEIVED MAY 1 8 2006 _..,..� .... (,(PrintSE�? /l��-z S� . a Colorado registered professional engineer, have personally inspected the above referenced property in the City of Fort Collins, Colorado, and verify that construction of all stormwater facilities and grading there is complete, and that the elevations and drainage patterns shown on the attached drawing(s) which were developed from a survey performed on (Date) -7i1G�8 accurately and truly depict the elevations and drainage patterns as they existed on the date of the survey. Based on this information, I certify that (check one): The elevations and drainage patterns of the lot are in substantial conform ance-with the City approved drainage and grading plan or revised grading plan for the property (information attached). SEE NOTE. ❑ The elevations and drainage patterns of the lot as measured are in general conformance with the City approved drainage plan or revised grading plan with exceptions (information attached). In my professional judgment the elevations and grading of the lot as constructed is functionally adequate and will allow for stormwater drainage ?confSihapproved drainage plan. SEE NOTE. By. \ S Ufa w/�44 L.lA•Y � BLDb � NOTE: �rsr Cuers,, G,. SoSL$ A COMPLETE certification must be submitted, Including but not limited to drawings of the lot/site showing the approved design or revised design and as -built surveyed elevations of all structures and drainage and grading features (e.g. swaies, retaining walls, lot cornpml, written Information/explanation of discrepancies, etc. to: Fort Collins Utilities (970) 221-6700 700 Wood Street Fort Collins, CO 80521 At Least Two Weeks Prior To Requesting A Certificate Of Occupancy For The Property DRAINAGE CERTIFICATION FORM Please fill out all applicable items in this certification form for single family, multi -family and commercial properties. Write "OK" for items checked or actual number checked in field. Use "N/An for items that are not applicable to the property that is being certified. A. Drainage facilities certification 1. Pond Certification 10411q. -volume verification a.topographic records and volume •b.cross-sections and spot elevations -positive fall to pan -side slopes -invert elevation -spillway elevation -placement and size of riprap -side slopes _grading -orifice plate installation and size- -compaction of berm -structural integrity of pond 2. Swales -location (are they within easement) -dimensions and cross-section verification -longitudinal slopes and side slopes -spot elevations W A(IA -permanent erosion control measures (drop structures,. riprap, etc....) pK -tie-in to pipes, pans, curbs, etc.... W/A -weir size (elevations, size, opening, etc.) -available freeboard IJ/A -landscaping infringement on swales 3. Pipes -size and type -slopes (as -built and comparison to minimum 0.4% slope) -pipe capacity calculations if slopes are significantly altered -invert elevations -installation and backfill material -cover -encasement and clearance from other utility lines close by -joints 4. ConcretePan Channels AJ1jq -size -slope -super elevation -cross .section -thickness -elevations 5. Inlets AJ1W -size and type N%A -size of opening (or name of standard used) -grate elevation -invert elevation -box size 6. Cross pans -size -type -grade -elevation -cross-sectional depth tie-in to curb and gutter 7. Culverts -size -type -invert elevation -headwalls 8. Underdrains IJ/p .size -type -cover -backfill -geotextiles -cleanouts 9. Curb cuts -size -tie in to swale, pipe, etc... B. Certification of Grade Elevations Adjacent to Drainage Facilities: l /JIA -minimum opening elevations pK -top of foundation elevations -comparison to 100 year WSEL's (Freeboard requirements and floodplain issues) C. Certification of Erosion Control Measures: 1. Permanent Measures: -Permanent vegetation (6" bare spots and weeds under control) -riprap ` riprap bedding -drop sections -sediment basins/water quality ponds -netting mats/blankets -mulching 2. Temporary Measures: A/1,g -mulching -inlet filter installation -check bale dams -seeding and temporary vegetation -silt fence D. Site Cleanup After Construction --construction clean up -smoothing of ruts -reseeding E. Statement of Compliance This certification is signed and stamped and by signing this form the engineer(s) attests that they have inspected • , I the site and to the best of their knowledge the as -built conditions of the drainage facilities are as described in the above form and in the redlined plans enclosed. Failure to properly disclose all known information could result in the rejection of this certification and prevent the release of any Stormwater Utility holds on Building Permits and/or Certificates of Occupancy. F. Signature and Stamp by a Colorado Registered Professional Engineer. .. * 4 November 16, 2004 LOT GRADING CERTIFICATION CHECKLIST THIS IS A CHECKLIST FOR INDIVIDUAL GRADING ON A LOT. PLEASE NOTE THAT NOT ALL ITEMS MAY BE VALID FOR A PARTICULAR LOT, BUT THE FOLLOWING ARE COMMONLY NEEDED ITEMS FOR APPROVAL OF A LOT GRADING CERTIFICATION IN THE CITY OF FORT COLLINS. PLEASE ALLOW A MINIMUM OF THREE BUSINESS DAYS PRIOR TO ISSUANCE OF CERTIFICATE OF OCCUPANCY FOR FIELD INSPECTION AND VERIFICATION. PLEASE NOTE THAT AN ORIGINAL SIGNED AND STAMPED DOCUMENT IS REQUIRED BY A REGISTERED PROFESSIONAL ENGINEER. IF ANY FURTHER INFORMATION IS NEEDED PLEASE CONTACT THE CERTIFICATION ENGINEER JAY BARBER AT (970) 416-2241. l • PROVIDE DATE AT WHICH THIS CERTIFICATION WAS COMPLETED.lZ • INDICATE SUBDIVISION NAME, LOT NUMBER, STREET ADDRESS AND BUILDING PERMIT NUMBER. $EE _�AZf "Pf.� • PROVIDE A SKETCH PLAN SHOWING THE LOT, THE FOOTPRINT OF ANY STRUCTURE ON THAT LOT AND ANY MAJOR DRAINAGE AND GRADING FEATURES SUCH AS SWALE AND RETAINING WALL. 6EQ S='e R.•nl • SHOW ALL DRAINAGE EASEMENTS ON THE LOT. �E£ 3=-f iZ.•+� • PROVIDE A CITY OF FORT COLLINS BENCHMARK FOR SURVEY DATUM. czry MA4 3-02. • PROVIDE SURVEY ELEVATIONS OF ALL CORNERS OF THE LOT. . Sf . E /y7rTAleNC-no • PROVIDE SURVEY ELEVATIONS OF THE FINISHED FLOOR OF ALL STRUCTURES ON THE LOT. $6F ArrAe o4m .4s- wvx'f'T -p•A.0x:wrr • PROVIDE SURVEY ELEVATIONS OF THE MINIMUM OPENING ELEVATION ON THE LOT (i.e. THE ELEVATION AT WHICH WATER WOULD FIRST ENTER INTO ANY STRUCTURE), 4847. 77 * W*wb.~ c lEet Sovpw lzbe of hbus6. • SHOW ANY ADJACENT DRAINAGE FEATURE SUCH AS SWALE OR DETENTION POND.N1A • PROVIDE ANTICIPATED 100-YEAR HIGH WATER LEVEL ON ANY ADJACENT WATER N/A BODY SUCH AS DETENTION POND, DRAINAGE CHANNEUSWALE, LAKE, ETC... PROVIDE CALCULATED FREEBAORD FROM THAT HIGH WATER LEVEL. • PROVIDE SURVEY ELEVATIONS ALONG ALL SWALES, INCLUDING FLOW LINES AND SWALE CROSS-SECTION AT THE MOST CRITICAL LOCATION(S). .56E .lrrAusL� .45 - 80j;9 r • PROVIDE SURVEY ELEVATIONS OF ALL GRADE -BREAK POINTS. • INDICATE WHETHER THERE ARE ANY LANDSCAPING FEATURES OR FENCING THAT COULD INTERFERE WITH DRAINAGE FUNCTION ON THE LOT. No f�Es oa LAvlaseM►�..io 'PiaX*A. #r- • INDICATE WHETHER THERE IS ANY CROSS -LOT DRAINAGE (DRAINAGE FROMITO ADJACENT LOTS OUTSIDE OF DRAINAGE EASEMENTS. • INDICATE WHETHER THERE ARE ANY LOW SPOTS ON THE LOTS THAT DO NOT DRAIN. A)IA • INDICATE WHETHER THE LOT IS SIGNIFICANTLY ABOVE OR BELOW ADJACENT ,0,!/A GRADES ON NEIGHBORING LOTS. • PROVIDE A STATEMENT OF COMPLIANCE WITH THE APPROVED GRADING PLAN FOR THIS PARTICULAR LOT. 1 fs air his f-6 r • IF THERE ARE ANY DEVIATIONS FROM THE APPROVED GRADING PLAN EXPLAIN , j1A WHAT NEEDS TO BE CHANGED OR RECTIFIED OR PROVIDE A JUSTIFICATION AS TO WHY THE SURVEYED GRADES WILL MEET THE INTENT OF THE APPROVED GRADING PLAN. • PROVIDE A COPY OF THE APPROVED GRADING PLAN FOR THE LOT THAT IS BEING CERTIFIED. AN ENLARGEMENT OF THE APPROVED PLAN FOR THAT PARTICULAR LOT AND THE SURROUNDING LOTS IS RECOMMENDED. • AFTER A SITE VISIT PROVIDE A SIGNATURE AND A STAMP BY A PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF COLORADO. cJE� Fzit sTLf SAMPLE STATEMENT OF COMPLIANCE: This certification is signed and stamped by a professional engineer registered in the State of Colorado. By signing this certification the engineer attests that to the best of his (her) knowledge the surveyed grading as shown in the enclosed certification is in compliance with the approved grading plan for this lot and subdivision as shown on the approved utility plans. Failure to disclose all known information could result in the rejection of this certification and could cause the withholding of the certificate of occupancy for this lot until corrective action has been taken. Please find attached a sample certification. The following is meant as an example onlythe exact format of the lot grading certification can vary from the one enclosed. 35Z7 M✓sKRar �Ec,c Zaa. SEE SHEET8Wl 96.5 6 / \ FG- 97.3It / FG- 99.4 / \ ZF- 98.0 TF- 00.1 f \ \ \ \ \ jI 9 FG- .7 F TF= 6.4 \ T 99..8 98.4 /+ IF I It J 7 FG- 97.3 / �A. J FGW 00.3 TF- 98.0 j . >-• Ile If TF- 97.4 \ a i %N% \ 96.2� TF- 97.0 1 j f TF- q A / • O 1 T 9 5. 9 \ (DA\ /I / q 95.8 --1 I O I ea / j f a1 `\� 99.3 \ / / FG;- 0b.6 j \ / FG- 99.8 9 \ \ \ / TF- 00.5 97.2 / 95.8 _ It g J ! FG 98.7 I I I - 99.4 I \ \ L /JF i I FC- 97.7 j 1 TF� 96.31 f� O I TF- 8.4 1 I I I A I --! -- % If - : _ - If �``` \ _ - / FG00.5 / TF- 01.2 �L,xic /O� �p! � �SS1L LAKE f v� SEC�wD l'Sr.s+�(r 352� �uJSKic�r c�"Pe i�AQ.:✓G /fS - Buur ..//ziloG EaV.47 MNA>5 mej 96447=�:W 3A4 3 -o2 y�i/s. All