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Home My WebLink AboutLot Certifications - 05/19/2008City of Fort Collins Utilities electric • stormwater • wastewater • water CERTIFICATION OF•LOT GRADING Pursuant to City Code ,§ 26-544 and City Land Use Code, § 3.2.2 (e) ®(� Date: 512 inIQ , Gb"J✓ Permit Application NoPAO a Mo `IP 80� Ce41959 Address: 50-M Brookhpl d 01-1 ye— Lot;-out-ldinci 13 Block: Subdivision: 40M.T/GI(1 MAY 2 0 2009 L"J I,(Print) , a Colorado 'registered professional engineer, have personally inspected the abd4 referenced property in, the City. of:Fort.Collins, Colorado,.and verify that: construction of all stormwaterfacilities and grading there is complete, and that the elevations and drainage patterha shown on the attached drawings) which, were developed from a survey performed on (Date) I IGQit/) 4. ZU 0 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,conformance 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 drainageconsistent with the approved -drainage plan. SEE NOTE. DO l_IC�� On Me'.S' By: v (signature, PE stamp) 41742 l 5 Zc ? 0q .. y V G� e eS Gil/% (address of signing party). NOTE - AL ENSnm11'�`;,0. v - CO I I /ns J (o L� 052 S a A COMPLETE certification mustbe submitted, Including but not;llmited to,drawings of theaof/site showing the approved design.or revised design and as -built surveyed elevations of'all structures and:drainage and grading features,(e.g, swales,,retaining,.walls, lot corners), written information/explanatlonof discrepancies, etc. to: Fort Collins" Utilities (970) 221.6700 700;Wood Street Fort Collins, C0.80521 At Least Two Weeks Prior To Requesting A Certlflcate 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 \A` -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 �n 2. Swales �( -location (are they within easement) -dimensions and cross-section verification -longitudinal slopes and side slopes -spot elevations -permanent erosion control measures (drop structures, riprap, etc....) -tie-in to pipes, pans, curbs, etc.... -weir size (elevations, size, opening, etc.) -available freeboard -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 -encasement and clearance from other utility lines close by -joints 4. Concrete Pan Channels -size -slope -super elevation -cross -section -thickness -elevations 5. Inlets �,� -size and type -size of opening (or name of standard used) -grate elevation -invert elevation -box size 6. Cross pans -size �J -type -grade -elevation -cross-sectional depth -tie-in to curb and gutter 7. Culverts l �C -size l -type -invert elevation -headwalls 8. Underdrains �I -size -type -cover -backfill -geotextiles -cleanouts 9. Curb cuts N( � -size -tie in to swale, pipe, etc... B. Certification of Grade Elevations Adjacent to Drainage Facilities: -minimum_ opening elevations -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 weeda.under control,) riprap riprap bedding, -drop sections .-sediment basins/water'qualty ponda. netting mats/blankets mulching Z. ..Temporary Measures: mulching L -inlet filter, installation l -:check bale.dams Beeding,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 she engineer.(•s,), attests that they have; inspected' 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. 2i • • • . �noo Cf Ic ve0A- h 19 • MArcos: 5o39 Rrook� elj pr 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 PARTICULAR LOT, BUT THE FOLLOWING ARE COMMONLY NEEDED ITEMS FOR APPROVAL OF A LOT GRADING CERTIFICATION -IN THE CITY 'OFFORT 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) 4I6-224I.: _ �• PROVIDE DATE AT WHICH THIS CERTIFICATION WAS'COMPLETED. • INDICATE SUBDMSION NAME, LOT NUMBER, STREET ADDRESS AND BUILDING PERMIT NUMBER. y/ • PROVIDE A SKETCH PLAN SHOWING THE LOT, THE FOOTPRINT OF ANY STRUCTURE ON THAT LOTAND ANY MAJOR DRAINAGE AND GRADING FEATURES SUCH AS SWALE AND RETAINING WALL. OP SHOW ALL DRAINAGE EASEMENTS' ON THE LOT. •_ PROVIDE A CITY OFYORT COLLINS BENCHMARK FOR SURVEY DATUM. • PROVIDE SURVEY ELEVATIONS OF ALL CORNERS OF THE LOT. • . PROVIDE SURVEY;ELEVATIONS OF THE FINISHED FLOOR OF ALL STRUCTURES ON THE LOT. PROVIDE SURVEY ELEVATIONS; OF THRMINIMUM OPENING ELEVATION ON THE LOT (i.e. THE ELEVATION AT WHICH WATER WOULD FIRST ENTER INTO ANY STRUCTURE).. N I� • SHOW ANY ADJACENT DRAINAGE FEATURE SUCH AS,SWALE OR DETENTION POND. PROVIDE ANTICIPATED 100-YEAR HIGH WATER LEVEL ON ANY ADJACENT WATER BODY SUCH AS DETENTION POND, DRAINAGE CHANNEL/SWALE, LAKE, ETC... PROVIDE CALCULATED FREEBAORD FROM THAT HIGH WATER LEVEL. PROVIDE SURVEY ELEVATIONS ALONG ALL $WALES, INCLUDING FLOW LINES AND / SWALE CROSS-SECTION AT THEMOST CRITICAL LOCATION(S). v • PROVIDE SURVEY ELEVATIONS OF ALL GRADE -BREAK POINTS. �(o INDICATE WHETHER THERE ARE ANY LANDSCAPINGFEATURES'. OR FENCING THAT COULD INTERFERE WITH DRAINAGE FUNCTION ON'THE LOT. �� • INDICATE' WHETHER THERE IS ANY CROSS -LOT DRAINAGE (DRAINAGE' FROM/TO ADJACENT LOTS OUTSIDE OF DRAINAGE EASEMENTS: • INDICATE WHETHER THERE ARE ANY LOW SPOTS ON THE LOTS THAT DO NOT DRAIN. N/ INDICATE WHETHER THE LOT IS,SIGNIFICANTLY ABOVE OR BELOW ADJACENT GRADES ON NEIGHBORING LOTS. PROVIDE A STATEMENT OF COMPLIANCE WITH THE APPROVED GRADING PLAN FOR THIS.PARTICULAR LOT. • IF THERE ARE ANY DEVIATIONS FROM THE APPROVED GRADING, PLAN EXPLAIN NI WHAT NEEDSTO BE CHANGED OR RECTIFIED OR PROVIDE.A JUSTIFICATION AS TO WHY THE SURVEYED GRADES WILL MEET THE INTENT OF THE APPROVED GRADING PLAN. J ! 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. SAMPLE STATEMENT OF COMPLIANCE: Thi&certification is signed and stamped'by a professionalengineer registered'inthe State of Colorado. By signing this certification the engineer attests-thatto the-bestofhis (her) knoWledge.the surveyed grading as shown in theenclosed certification.is in compliance with the approved grading plan for this lot and subdivision as shown on the approved utility plans. Failureto,disclose;aff known information couUresi►lt in the rejection.of this certification and could cause the withholding of thercertificate of.occupancy for thislot until corrective action has beentaken. Please find,attached a sample certification. The following is meant asanexample only, the.exact format of the lot,grading certificationcan vary from the one enclosed: . i, LOT GRADING CERTIFICATION 5039 BROOKFIELD DRIVE 4 (BLDG 19 OF BROOKFIELD) DATE OF SURVEY: MAY 189 2009 CITY OF FORT COLLINS i BENCHMARK: 2-03 ELEV 4894.96 BUILDING PERMIT:'B0802661 AND.B0802659 THIS, CERTIFICATION IS SIGNED AND .STAMPED BY A PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF COLORADO. BY SIGNING THIS CERTIFICATION THE ENGINEER ATTESTS THAT 70 THE BEST OF HIS ((HER) KNOWLEDGE' IHE 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 TD DISCLOSE ALL KNOWN INFORMATION: COULD RESULT IN THE REJECTION 1OF THIS CERTIFICATION' AND- COULD CAUSE THE WITHHOLDING OF THE CER71FICA71ON OF OCCUPANCY .FOR THIS LOT UNTIL CORRECTIVE ACTION HAS BEEN TAKEN. i BROOKFIELD DRIVE NO THE 8 CONCRETE PAN LOCATED ON THE NORTH SIDE OF THE DETACHED .GARAGE 'IS FLATTER THAN A 0.5% SLOPE. BASED ON': A 'FLOW TEST 'IN THE FIELD THE PAN APPEARS TO ' BE 'DRAINING. THE OWNER OF THE 'PROPERTY SHOULD KEEP AN EYE' ON THIS AREA TO MAKE. SURE THAT IT 'CONTINUES TO 'DRAIN PROPERLY. =.20' Z TST, INC. CONSULTING ENGINEERS �� ,, �. D a � Z®�°�