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Home My WebLink AboutSW8120511_COMPLIANCE_20120605STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW SIZ241) SI I Z DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE 4�26/o'1U(LDS WYYMMDD General Data Impervious, Drainage Area and Volume PROJECT NUMBER SWB 120511 Reviewer K Johnson DRAINAGE BASIN Cape Fear Current Date 5-Jun-12 Original Run Date 5-Jun-12 DA Number 1 2 3 4 6 6 7 8 9 10 BMP Type Wet Pond No BMP In DA No BMP In DA No BMP In DA No BMP In DA No BMP In DA No BMP In DA No BMP In DA No BMP In DA No BMP In DA Receiving Stream UT NE Cape Fear River Stream Index to 74 (47 5) Class Impervious Area Prot2osed ImperviousIMPERVIOUS). Total, B, SW 39,500 0 0 0 0 0 0 0 0 0 Onsite Buildin s Onsite Streets Onsite Parking 38,903 Onsite Sidewalks Onsite Other Future 597 Offsite Existin D 0 0 0 0 0 0 0 0 0 Onsite Buildin s Onsite Streets Onsite Parkin Onslte Sidewalks Onsite Other Future Offsite Exislin 39 500 65 773 0 0 0 0 0 0 0 0 0 Draina a Area Drainage Area, Total Onsite. 65,773 Off i 0 Onsite, 0 0 0 0 0 0 0 0 0 0 0 Offsi e 0 Proposed DA (Being Added By Mod) , f? 65,773 Drairiane Area, SubleCto Old Rule ft 0 0 0 0 0 D 0 0 0 0 Qrainga2 6rea. Sublect to New Rule 65 773 Percent Impervious Overall, per DA Volume Required Volume Re fired Old Rule a 60 06% Rvpow Dmid"nt Old Rule Desi n Storm Old Rule in Volume Re uired New Rule a 4,855 RvR& Dawjopmant New Rule 005 005 005 005 005 005 005 005 005 005 Rvp�mD �Iop .m, New Rule 059 Design Storm, 5 In 1 5 15, 1 5 1 5 15 15 1 5 1 5 1 5 1 5 Design Storm,yrUhr, in Sub ect to SA? Y or N N Volume Required, 5, ft 4,855 Volume Required lyr24hr, ft 0 Volume Re uired Total Old +New Rule R3 4,855 Wet Ponds PROJECT NUMBER SW8 120511 Reviewer K Johnson DRAINAGE BASIN Cape Fear Current Date 5-Jun-12 Original Run Date 5-Jun-12 DA Number 1 2 3 4 5 6 7 B 9 10 BMP Type Wet Pand No BMP In DA No BMA in DA No BMP In DA No aW in DA No BMP In DA No BMP In VA No BMP in DA No BMP in DA No BMP In DA Minimum Surface Area %impervious 601% Lower Impervious 600% #VALUEI #VALUE! #VALUE] #VALUE! #VALUE! #VALUEI #VALUEI WtVALUEI #VALUE! Urlmpervilous 700% #VALUEI WOVALUEI #VALUE! #VALUE! XVALUEi #VALUEI WCVALUEI #VALUE! #VALUEI TSS 85 or 90 90 Lower SAIDA 70 #VALUEI #VALUE! NVALUE11 #VALUE! OVALUE11 #VALUE! NVALUEII #VALUEI #VALUE! Upper SAIDA 81 #VALUElj #VALUE! NVALUE11 #VALUEI #VALUE! #VALUE! #VALUE! NVALUEI NALUEI SAIDA rate 70 #VALUE[ #VALUE! 11VALUEI #VALUE! #VALUEI #VALUE! #VALUEI #VALUEI #VALUE! PP Surface Area req Storage Calculations 4 608 #VALUE[ #VALUE! #VALUE] #VALUEI #VALUEI #VALUE! #VALUEI #VALUE! #VALUE! Elevation Top of Sediment bottom pond),fmsl 1800 Elevation Bottom of shelf. fmsl 2415 ElevaBon Permanent Pool fmsl 2465 Elevation, Top of Shelf, fmsl 2515 ElevaBon Tam Pool fmsl 2520. Area Top of Sediment bottompond), 805 Area Bottom of Shelf, 02 4,212 Area Perm Pool 7,660 Area Top of Shelf. 10669 Area Tamp Pool 10,811 Volume Provided (Tamp Pool),DWO Calculated R 5,119 0 0 0 0 0 0 0 0 0 Volume Provided (Tamp Pool Provided perconsultant 5119 Volume Required (Tamp Pool Dw9 Deicuieted ft 4,855 Consultant Provded Enou h Volume? Y Average De th O tlon 1 or Option 2 Enter 1 or 2)? Avere a De 1h Provided R 30 Average De 1h OPTION 1 DWO Calculated R 291 #DIVroI #DIV101 #DIVI01 #DIV/01 #DIV/01 #DlVI01 #DIV101 #DIV/01 #DIVl01 Average Depth OPTION 2 DWO Calculated It Foreba Volume 40 #DIV101 #DIV101 #DIVIDI #DIV101 0DIV101 #DIV/01 #DIV/01 #DIV/01 #DIV101 Permanent Pool Volume ft 22,297 0 0 0 0 0 0 0 0 0 Foreba Volume Required, ft 4,459 0 0 0 O 0 0 0 0 0 Foreba Volume Provided ft 4,266 Percent of Permanent Pool 18 22% Is Target) Drowdown 19% #DIV101 0DIV101 #DIVIDI 9DIV/01 #DIV/01 #DIV/01 #DIVIOI 0DIV101 #DIV/01 Avre ea Head R 016 000 000 000 0 00 000 0 DO 000 000 000 Average Flow O= lsec 0 028 #VALUE] #VALUEI #VALUEI #VALUEI #VALUE! ItVALUEI #VALUE! #VALUE! #VALUEI Average Flow Os R /see 0 011 #VALUE! #VALUE! #VALUEI #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! 02 Area In 2084 #VALUE! #VALUE! #VALUEI #VALUE! #VALUE! #VALUE! NVALUEI #VALUE! #VALUE! Os Area In 0 834 #VALUE! #VALUE! *VALUE! #VALUE] #VALUEI #VALUEI #VALUE! IIVALUEI #VALUE! No of Orifices 1 Onflee Diameter In 1 50 Orifice Area in 1 767 0 000 0 000 0 000 0 000 0 000 0 000 0 000 0 ODD 0 DDO Weir Haight In Weir Length in Weir #DIV/01 #DIV101 10IVI01 #DIV/01 #OW101 #DIV/0l #DfV101 #DIWOt 0DIV101 WIV101 Weir L Effective Length ft -0 033 0 DOO 1 0 000 00001 0 000 0 000 0 000 0 000 0 0W 0 000 Average Orifice Flowrate DWO Calc (QmQ) ft Isec 0 024 0 000 O 000 0 000 0 000 0 000 0 000 0 000 0 000 0 Ot10 Average Orifice Flovxate Reported (OR ) R !sec 0 020 Average Orifice Flowrate is Adequate? set Rwpe in cak Y Runoff Coefficient Cc 0 250 0 250 0 250 0 250 0 250 0 250 0 250 0 250 0 250 0 250 1 yr 24 hr rainfall de th in 1 24 hr Intensi 1 inlhr 0 000 0 000 0 ODO 0 000 0 000 0000, 0 000 0 000 0 000 0 000 1 yr 24 hr PmDeveioant (0) lsec 0 000 Ava Orifice Row<Pre 07 N Drewdown days 236 Solis Report Data Ground Elevation at Boring in Soils Re ortfmsl 2820 Distance Ground to SHWT per Soils Ree2rt, In 4800 Distance Ground to SHWT per Soils Report, ft 400 000 000 000 0 DO 000 000 0 00 000 000 SHWT Elevation DWO Calculated fmsl 2420 000 000 000 0 DO 0 OM 000 000 0 00 000 SHWT Elevation Reported by Consultant fmsl 2420 Distance SHWT toPIP fl 00sign OK of O<= Value <m 0 5 045 000 000 000 000 000 000 000 000 000 Permanent Pool Elevation fmal Pump 1 2465 000 0001 0001 000 000 0001 0001 0001 000 Max HP N/A NIA NIA I N/A IWA NIA I NIA IWA INIA I N/A Bot Pond Bot/Top Sed Rem Bot Veg Shelf PP Wet Pond Use to Find Areas/Volumes if the Engineer Reports the Main Pond and Forebay Separately (This is not linked to other worksheets in this Ole ) Basin Forebay Bot Forebay Sed Rem PP Forebay Contour El (ft) SA (so Inc Vol (cf) Cum Vol (d) Contour El (ft) SA (sfl Inc Vol (d) Cum Vol (d) 1600 0 01 0 0 18001 8051 0 0 1800 1 01 0 24151 4,212 15,427 15,427 2000 375 0 0 24 65 6,200 2,603 18,030 24 65 1,460 4,266 4,266 Permanent Pool 22,297 ft3