2002-05-13_PERMIT FILE - C1981018 ‎(7)‎

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Refuse Area Sediment Estimate Calculations
• Section_Exhibit Name: Illustration 08
• Media Type: D
• Archive: No

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SITE PREPARATION & GRAIN=.GE qEV. 1
STANDARD FORM
RUNOFF & SEDIMENT CALCULATIONS 9i 60
SHT. 1 OF 12
DETERMINATION OF SEDIMENT VOLUME, SETTLING VOLUME
AND TOTAL STORAGE VOLUME OF SEDIMENTATION PONDS
PROJECT _~~//%/~-l~QQ/r-Ji`.JL?~~ /YJ //1/E _-. .._- - -- - -- JOB NO. -1~ ~1 ~-- -
~111L.~LlRC~ ~' ~ ._.E~//'/1G'~ ~--r` .T/ii7i,~TC _ POND NO. - _ __
BY ~ /~!~~__ DATE _. _ _ _ ____ CHECKED BV _____ DATE _i__
t. SEDIMENT VOLUME =~E i'!'Va~»
CONTRIBUTING DRAINAGE AREA, ACRES .___-_ --_ -- --_-.__
DIS TIIRBED AREA IN CONTRIBUTING AREA, ACRES ~~•3
A. Sediment Volume = .1 acre ft. of seuiment per dcre of J~s;.,rbed area.
_ .I acre~ft./acre ?( _ acre
B. Sediment Volume 3 y?art s?d~n•,ent from enure svatcrshed as deL°r~in~d by r`~e Universal
So.. Lass Equation (USLEI USLE . A-RKLSCP
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Where. A = Average annual ;orl loss ~n tons; acre.
R = Rarnfrll Factor
K = Swl erodibdi[y fdctor
LS = Sioue le,.-.grn a••d sloue gradient fdctor
C = Coker factor
P = Erovnn control prx;.ce factor
VJatersned must ue divided into sub areas .f different factors occw for differenr areas w~rhin tte warerh?~~
SUB+REA AREA
I D. NO. SUB AREA OISCRIPTIOfJ Ar
i R K I LS i
C P TON,.
i A i A X Ar

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TOTAL AREA ~ ; . j TOTAL TONS PER YEAR ; r~- ~'~~'~°
TONS/YEAR . 20001b/TON . ]YEARS
SEDIMENT VOLUME (ACRE FEETI - -
(Settled De nirty = _Ib/ft3t -Ibe/h.] . 375bO rr~/ ACRE
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