Loading...
HomeMy WebLinkAboutLot Certifications - 04/11/2007 (7)04/10/2007 16:02 ilv c' i art C..ol(imq Date: 4- /0 - 07 9702252622 WEEKS ASSOCIATES PAGE 01107 1. tilil.ivs rh•�'trlr • sjormwalvr �wnslownhw wolor--` V �Cj ©�R CERTIFICATION OF LOT GRADING Pursuant to City Code § 26-544 and City Land Use Code § 3.2.2 (e) Permit Application No. B Address: gal k%s& Lot: lr�" Block: Subdivision: XC Vwfs , "�ee APR 10 2007 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) 6LQ7, 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): u 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. n 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 I nstructed Is functionally adequate and will allow for stormwater drainage co roved drainage plan. SEE NOTE. �'• G' tN • By: party) NOTE: 1 A COMPLETE certification must be submitted, including but not limited to drawings of the lotlelts showing the approved design or rovised design and asbullt surveyed elovations of all structures and drainage and grading fostures (e.g. swales, retaining walls, lot corners), written Inkrtnationlexplanatbn of diseropenoles, ate, to: Fort Collins Utilities (970) 221.0700 700 Wood Street Fort Collins, CO 00521 At Least Two Wooks Prior To Requesting A Certificate Of Occupancy For The Property 04/10/2007 16:02 9702252622 WEEKS ASSOCIATES PAGE 07/07 FINAL GRADE SURVEY 821 WEST MOUNTAIN AVENUE FORT COLLINS, COLORADO WEEKS & ASSOCIATES TODD CONSTRUCTION APRIL 10, 2007 PROJECT NO. 25406 MOUNTAIN AVENUE 0' _ 10.8 10.8 .10.9 11.1 11.1 COVERED PORCH BASEME FF-12.2 COVERED PORCH 10.11 _110.2 9.6 • • 9.7 0.9 RETAINING WALL 8.9 7,9 • GARAGE 7.7 7.5 STORMWATER RECEIVED APR 10 2007 04/10/2007 16:02 9702252622 WEEKS ASSOCIATES PAGE 02/07 DRAINAGE CERTIFICATION FORM Please fill out all applicable items in this certification form for single family, multi -family and commercial properties. Write "01(" for items checked or actual number checked in f. i.el.d. Use "N/An for items that are not applicable to the property that is being certified. A. Drainage facilities Certification 1. Pond Certification ,//X -volume verification STORMWATER RECEIVED 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 U/04 -location (are they within easement) -dimensions and cross-section verification -longitudinal slopes and side slopes -spot elevations APR 10 2007 04/10/2007 16:02 9782252622 WEEKS ASSOCIATES PAGE 03/07 -permanent erosion control measures (drop structures, riprap, etc....) -tie-in to pipes, pans, curbs, etc.... STORMWATER -weir size (elevations, size, opening, etc.) RECEIVED -available freeboard "R 2007 -.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. concrete Pan Channels AII -size -slope -super elevation -cross .section -thickness -elevations 5. Inlets /)!1�' -size and type 04/10/2007 16:02 9702252622 WEEKS ASSOCIATES PAGE 04/07 -size of opening (or name of standard used) -grate elevation -.i.nvert elevation -box size 6. Cross 2ans -size -type -grade -elevation -cross-sectional depth ,tie-in to curb and gutter 7. Culverts -size -type -invert elevation -headwalls 8. Underdrains /j/4 .size -type -cover -backfill -geotextiles -cleanouts 9. Curb cuts /II -size -tie in to Swale, pipe, etc... STORMWATER RECEIVED APR 10 2007 04/10/2007 16:02 9702252622 WEEKS ASSOCIATES PAGE 05/07 s. Certification of Grade Elevations Adjacent to Drainage Facilities: t- minimum opening elevations STORMWATER RECEIVED et -top of foundation elevations -comparison to 100 year WSEL's (Freeboard APR 10 2007 requirements and floodplain issues) C. Certification of Erosion Control Measures: 1. Permanent Measures: �Jk -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:�f� -mulching -inlet filter installation -check bale dams -seeding and temporary vegetation -silt fence D. Site Cleanup After Construction 6- construction clean up 64 -smoothing of ruts -reseeding E. Statement of Compliance 04/10/2007 16:02 9702252622 WEEKS ASSOCIATES PAGE 06/07 This certification is signed and stamped and by signing this form the engineers) 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 redl•ined 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. STORIMWATER RECEIVED APR 10 2007