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HomeMy WebLinkAboutLot Certifications - 05/17/2005 (3)MAY-09-2005 MON 12:38 PM FT COLLINS UTILITIES FAX NO. 9702216593 P. 02 1 LOFTS 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 2. Swales /v/A -location (are they within easement) -dimensions and cross-section verification longitudinal slopes and side slopes -spot elevations i MAY-09-2005 MON 12:38 PM FT COLLINS UTILITIES FAX NO. 9702216593 P. 03 -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 . Qg-size and type Aw Plles W6o2e- f,�'xIsr„ 6 Ew-Er-�r Foe rHE �s'' RCP ecyw,Veruj6 rf�E G►dz6 lr�c=r KiJ i-+E PAR KINt �. oK -slopes (as -built and comparison to minimum 0.4% slope) AS-$Ult- : /. 80/ /5-11a4p Rg.e nGaN : o.3Z '/ 3 Q/<-pipe capacity calculations if slopes are significantly altered P" RA.^j : 3.7 G<S ,46-13N%LT g.'7 e-F5 "QK-invert elevations AMR L/P)t�-installation and backf ill material 0k�-cover encasement and clearance from other utility lines N close by OVe—joints 4. Concrete Pan Channels — Ai-e_,e Lf)/L -size QK-slope PIA-super elevation PIA section 6K-thickness OK -elevations 5. Inlets OK -size and type L044jo %✓Pc /,3 /etZ (7) MAY-09-2005 MON 12:38 PM FT COLLINS UTILITIES FAX N0, 9702216593 P. 04 size of opening (or name of standard used) CV -grate elevation &'IG-invert elevation oK-box size 6. Cross. pans 1--1ltal- -size _type -grade -elevation -cross-sectional depth -tie-in to curb and gutter r 7. Culverts f CPF-42 PL,c � 3 6""PMC5 GwA*SE IAXRe GYM -size JN5TA"E;_0 /Vg�&.a Tt*B AWCy �^'�RSEcTioN w/3.Fi -type OK -invert elevation IJIA -headwalls , 8. underdrains /\//A .size -type -cover -backfill -geotextiles -cleanouts 9. Curb cuts YvZ size O 1-tie in to swale, pipe, etc... B. certification of Grade Elevations Adjacent to Drainage Facilities: C3�' MAY-09-2005 MON 12:38 PM FT COLLINS UTILITIES FAX NO. 9702216593 lX minimum opening elevations -top of foundation elevations C1,el-comparison to 100 year WSEL's (Freeboard requirements and floodplain issues) c. certification of Erosion Control Measures: 1. Permanent Measures- IJ11 t -Permanent vegetation (60 bare spots and weeds under control) -riprap -riprap bedding -drop sections -sediment basins/water quality ponds -netting mats/blankets -mulching 2. Temporary Measures: 4-mulching Q�-inlet filter installation check bale dams /4-seeding and temporary vegetation NA -silt fence D. Site Cleanup After Construction P. 05 I)CAa1N6 691U1;j77Lue-ric>%) OK -construction clean up Ao --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 R MAY-09-2005 MON 12:38 PM FT COLLINS UTILITIES FAX NO. 9702216593 P. 06 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 Stall by a Colorado Registered Professional Engineer. SECTION THROUGH LENGTH SECTION THROUGH WIDTH COMBINATION INLET TYPE 13 NOT TO SCALE �AW d�c'710N B-13 A t OR; n,mg�a C—C SECTION R. SIDEWALK CHASE DRAIN NOT TO SCALE SECTION A -A MUM OFF TH DIAL SLOPE CURB INLET FRAME, GRATE & CURB BOX NOT TO SCALE EROSION CONTROL NOTES I. THE CITY OF PORT COWNS STORMWATER MUTY EROSION CONTROL INSPECTOR MUST BE NOTIFIED AT LEAST 24 HOURS PRIOR TO ANY CONSTRUCTION ON THIS SIZE. 2. ALL REWIRED PERIMETER SILT FENCING SHALL BE INSTALLED PRIOR TO ANY LAND DISTURBING ACTV (STOCKPILING, STRIPPING, GRADING, ETC.), ALL OTHER REQUIRED EROSION CONTROL MEASURES SHN1 BE I145TAJED AT THE APPROPRIATE TIME IN THE CONSTRUCTION SEQUENCE AS INDICATED IN THE APPROVED PROJECT SCHEDULE, CONSTRUCTION PUNS AND EROSION CONTROL REPORT. 3. PRE -DISTURBANCE VEGETATION SMALL BE PROTECTED AND RETAINED WHEREVER POSSIBLE. REMOVAL OR DISTURBANCE OF EXISTING VEGUATON SMALL BE LIMITED TO THE AREA REQUIRED FOR IMMEDMTE CONSTRUCTION OPERATIONS AND FOR THE SHORTEST PRACTICAL PERIOD OF TAPE. 4. ALL 50H5 EXPOSED DURING _AND DISTURBING ACTMTY (STRIPPING, GRADING. UTILTIY INSTALLATIONS, STOCKPILING, FIWNG, ETC.) SHALL BE KEPT IN A ROUGHENED CWDTIION BY RIPPING OR DIKING ALONG LAND CONTOURS UNTIL MULCH, VEGETATION, OR OTHER PERMANENT EROSION CONTROL IS INSTALLED. NO SOILS IN AREAS OUTSIDE PROJECT STREET RIGHTS OF WAY SHALL REMAIN EXPOSED BY _AND DISTURBING ACTNITY FOR MORE THAN THIRTY (30) DAYS BEFORE REWIRED TEMPORARY OR PERMANENT EROSION CONTROL (E.G. SEED/MULCH, LANDSCAPING. ETC.) IS INSTALLED, UNLESS OTHERWISE APPROVED BY THE STORMWATER UTILITY. S. THE PROPERTY SHALL BE WATERED AND MAINTANED AT ALL TIMES DURING CONSTRUCTION ACTIVITIES SO AS TO PREVENT WIND -CAUSED EROSION. ALL _AND DISTURBING ACTNIIIES SHALL BE IMMEDIATELY DISCONTINUED WHEN FUGITIVE DUST IMPACTS ADJACENT PROPERTIES. AS DETERMINED BY THE CITY OF FORT COWNS ENGINEERING DEPARTMENT. 6. ALL TEMPORARY (STRUCTURAL) EROSION CONTROL MEASURES SHALL BE INSPECTED AND REPNREO OR RECONSTRUCTED AS NECESSARY AFTER EACH RUNOFF EVENT IN ORDER TO ASSURE CONTINUED PERFORMI OF THEIR INTENDED FUNCTION. ML RETANED SEDIMENTS. PARTICULARLY THOSE ON PAVED ROADWAY SURFACES. SHALL BE REMOVED AND DISPOSED OF IN A MANNER AND LOCATION SO AS NOT TO CAUSE THEIR RELEASE INTO ANY DMNACEWAY. J. NO SOIL STOCKPILE SHALL EXCEED TEN (ID) FEET IN HEIGHT. ALL SOIL STOCKPILES SHALL BE PROTECTED FROM SEDIMENT TRANSPORT BE SURFACE ROUGHENING, WATERING AND PERIMETER SILT FENCING. ANY SOIL STOCKPLE REMAINING AFTER 30 DAYS SHALL BE SEEDED AND MULCHED. & CITY ORDINANCE PROHIBITS THE TRACKING. DROPPING OR DEPOSITING OF SOILS OR ANY OTHER MATERIAL ONTO CITY STREETS BY OR FROM ANY VEHICLE. ANY INADVERTENT DEPOSITED MATERIAL SHALL BE CLEANED IMMEDIATELY BY THE CONTRACTOR. COMPUTER FILE INFORMATION INDEX OF REVISIONS CRTATXIH DARE: 2003-10-07 Mfl N SRN 10 ID TON Of WhNDCIP RIMP' 1/21/1 NO REWsxHs:2 Nti MOOPIGTION DALE: 2004-03-05 BRNIS: SJW 0 REIMPEDOwDM: of PIATw .nTA a COPIER Of .ImTaOx t 3/21 /D5 DESIGNED BT:SM DRAWN BY: SIW O ISMSED. 5-10-2005 PILL PATIO: E:\270 PINE STREET LOFR\MGS\CDS O DRAMHG FEE HMG 270 GRADING PLW.DWG LYXS: DHCHI.W O 96. AS CONSTRUCTED INFORMATION Rk \\ i [3iF� s 1 PMy1 70 xnFxtm Cxorm rnvss-ssclw \ s•exwA moss-sLDI*E xm U sxc¢D zs \ RM ELg 2 INLT RM POP TO O 15' RW RI SW KPRDK ¢.492515 13' RCP TO ME APN ¢.ABA]53 — pFTX IN Opl[R4 ¢- �4BT1.12 _ Fx. BU1LmC 4. a -o 0* \H 01 \ MAP 11P: v:- ilP ,TR 1. WHKYE TR• km NOT 9 BE UMOED AT MIRY EMPH•LF/F%I1 W THE p}ISIRULIp STE. 2. YFNKIE MOCKING MAT EIWL BE MWIN14D AS NEEDED TO PREVENT ANY MAXRVL FROM BFN1G TUCKED DNN CTIY SA¢T. 3. ypYEM /MD oT4e wIERNL SPILLED, pICFPFO P4 iPltrc[D OX10 cm siREEI SIWL BE NMECUTFLY REumm. VEHICLE TRACKING MAT 4 ` Pe. 9L, 4 OVULE OWx P P' IYi 2= _I J EL STORM WLET A \ MA F1Q,j/I RIM ¢.447533 12' RCP 10 NM EL.ABJI.b \ iC / fX. WILgNC / 20 0 20 40 SCALE W FM o I ORM WATE' RECEIVED MAY 1() 2005 AS -CONSTRUCTED GRADING & EROSION CONTROLPLAN INFORMATION IN BOLD ©WELSCH DESIGN CONSULTANTS, INC. I.O. x27017I.E uusOULOEN. coLonA00ED30z PO.BGx0 J3LON1svIUE.CIXORnW BOJ2J YJ02 MORES "DOR�33 FAx: 303+1A9fi8G8 WNM1Y.WII.KHO6IGN.COM STREET IMPROVEMENTS & UTILITY CONSTRUCTION PLANS PINE STREET LOFTS FORT COWNS, COLORADO GRADING h EROSION CONTROL PLAN STORM SEWER PLAN k DETAILS AS -CONSTRUCTED DRAWINGS DRRMMG NUMBER 4 OF 5 1 SHEET NUMBER: CIA