Laserfiche WebLink
• <br />Olt Bacon &'ft*'itch 3nc. <br />2*01MI III- COraT llucT ORS SITE PREPARATION & DRAINAGE <br />SALT LAaI My. uTAM STANDARD FORM <br />RUNOFF & SEDIMENT CALCULATIONS <br />4-SF-06 <br />REV. 1 <br />9/80 <br />SHT. 1 OF 12 <br />DETERMINATION OF SEDIMENT VOLUME, SETTLING VOLUME <br />AND TOTAL STORAGE VOLUME OF SEDIMENTATION PONDS <br />PROJECT �VetrTE FUELS '7ES!EiZW 0 M-06 JOB NO.QC <br />SEDimEUT�T�orJ pars FOWL 'D. Pct POND NO._VP - 1 <br />BY \Vm. R'IKK.ES DATE 10-5-f50 CHECKED BY ACS DATE 1.5 1.5 I_ <br />1. SEDIMENT VOLUME clots n0� W: 7.96 ....t�• {•. -bra <br />Slrpc n6.. c c.++•eff d� +rti, . -.r+l. <br />CONTRIBUTING DRAINAGE AREA, ACRES 44.03 O(o <br />DISTURBED AREA IN CONTRIBUTING AREA, ACRES Q.p. rje� - 3 0I As t ,c .L - 37.5 <br />A. Sediment Volume = .1 acre ft. of sediment per acre of disturbed area. <br />= .1 acre -ft. /acre X ' 75 acre <br />:5:7 (P acre-ft. <br />B. Sediment Volume = 3 years sediment from entire watershed as determined by the Universal <br />Soil Loss Equation (USLE) LISLE : A= RKLSCP <br />LJ <br />Where: A = Average annual soil loss in tons /acre. <br />R = Rainfall factor <br />K = Soil erodibility factor <br />LS = Slope length and slope gradient factor <br />C = Cover factor <br />P = Erosion control practice factor <br />Watershed must be divided into sub areas if different factors occur for different areas within the watershed. <br />• <br />SUBAREA <br />SUB AREA DISCRIPTION <br />AREA <br />R <br />K <br />LS <br />C <br />P <br />A <br />TONS <br />I.D. NO. <br />Ar <br />A X Ar <br />Lndis ur a <br />R2n +SAC t�IGP.anCC Com I[,c. <br />3 <br />30 <br />0.24 <br />IO,S <br />0.10 ' 1.0 <br />1.510 <br />26.08 <br />1c�Ose 1 s +�r4L)C (3.,� <br />y1 5 <br />30 <br />.28,190 <br />:I.O 1 0.90 143 <br />139.15 <br />C'uf 5 ePe (_I.S � 1 <br />2cn+s> r_ Pfceancc Ge . Icx <br />'9.68 <br />� 30 <br />10.20130. <br />1.0 <br />i ,0 <br />' 160.A <br />1 142.40 <br />1P[ccl Artas Neal a =As <br />Gr"ct Surf6Ct01 <br />11•CA <br />s o <br />0.10 <br />0.1 <br />1•0 <br />1.0 <br />0,54 <br />`x.41 <br />�SOhGR Jr r." a iw a.-ra. <br />3A1 <br />7 <br />01'0. <br />/ <br />1.0 <br />%0 <br />'9 <br />0.6 <br />ape 1 1 a � T <br />2rn�stto-Mo C. lc <br />'6 <br />O,to <br />1 8 <br />1.0 <br />1.o <br />, g4. <br />110.10 <br />a so cre <br />Sed, , .r,f �onol <br />2 pg <br />30 <br />0 . 28 <br />0. ?O <br />1.0 <br />1.0 <br />1.64 <br />3.44 <br />e� <br />Wcjd +tt „.+ , ., ate <br />708 <br />TOTAL AREA 44.03 <br />TOTAL TONS PER YEAR 2(041. Z4 <br />TONS/YEAR • 2000 lb/TON + 3 YEARS <br />SEDIMENT VOLUME (ACRE FEET) _ <br />(Settled Density = j2E_ Ib /ft3) L130 IM /ft 3 a 43560 h ACRE <br />