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_ - <br />t <br />~` <br />~'orD.Jgs>rra~evicelitah inc. ..sFOe <br />rrarr~u• corer ~ucror~ ;ITE PREPARATION .°. DRAINAGE REV 1 <br />uu uu trtr. urea STANDAPD FORM <br />RUNOFF&SEOIMENi CALCIJLATION$ 9!80 <br />$HT. 1 OF 12 <br />DETERMINATION OF SEDIMENT VOLUME, SETTLING VOLUME <br />AND TOTAL STORAGE VOLUME OF SEDIME!VTATION PONDS <br />PROJECT - J~~GrY.'11 ,'_ ~I.'AJ ~---------- -- JOB NO. ._ _" ~~!: <br />•'~IL•~?-' -ALP(-:=1 `~ / J :~~,,:/-~~~.~IT __~i,?/iYi% --_ _ ~ POND NO. _ _ <br />gY ,Qr31 /'~ DATE _ _ CHECKED BY .__ _____ DATE ___ __ __ <br />7. SEDIMENT VOLUME SCE /.!l.4° 7J <br />CONTRIBUTING DRAINAGE AREA, ACRES <br />DISTURBED AREA tN CONTRIBUTING AREA, ACRES ,~ 5 -;~ <br />A. Sediment Volume = .1 acre ft of sediment aw acre e• .I r,!ur6ed :ICJ. <br />_ .I JC ra.~i.!JRe x 3Cre <br />aPC (l. <br />B. Sediment Volume = 3 years sediment rrom enure c,ateahed as determ~ncd by [he Unwersa'~ <br />$oll LO55 Eq UJIIUa IU$LEI USLE A=RKLSCP <br />~ . <br />• r <br /> <br />Where. A = Average Jnnual sell loss .n ton;.acre <br />R = RJin!all factor <br />K = SOJ Crpdibilrty 'dC1J• <br />LS = $1Op21eng;h and •'JJa :]'3d:P..^.S 'ai :Or <br />C Cover fat iOr <br />P = Erovon control orar.tice factor <br />lVmerned must be divided mto sub areas if d~f`eren; factors occur for d~fferenr areas ~.vith in the watershed. <br />SUB AREA <br />LD. NO. T AREA. , <br />$UB AREA DISCRIP. ICN i Ar R i K ~ <br />LS C P <br />A TOfI$ <br />A Y Ar <br />~.' - ~ i":~ I.I <br />j Ti.^/LG i C_l <br />_i~~wL -~O I'~J. 7'.; [0 <br />_. <br />. <br />~- <br />a ~ ,_; ~ -~~ ~;, <br />~ ~ ~ <br />I <br />- ---~ - I <br />~ <br />- - - -- l <br />i <br />- ~ i ~ ~ ~ <br />- <br />TOTAL AREA ~ ~~=t i TOTAL TONS PER YEAR ". ~~ - <br />TOfnS:YEAP .:0001b/TON + 7 VEAFS <br />SEDIMENT VOLUME (ACRE FEETI = <br />($ettletl Density = _Ib/fc31 ~bs/ft.~ . a35sd ItZ! 4CRE <br /> <br />