PERMFILE116419

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Section_Exhibit Name: Illustration 02 through 06
• Media Type: D
• Archive: No

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DETERMINATION OF SEDIMENT VOLUME, SETTLING VOLUME
AND TOTAL STORAGE VOLUME OF SEDIMENTATION PONDS
PROJECT \VESTE2rJ Fu ELS ~~JESEI<Al_~O in~tisE JOB NO. LS_ gq /o
2EF~SE /*~La A 2_ _ POND N0. _ ____
BV D.~A.\V, DATE 9•Z"L~~"~ __ CHECKED BY DATE _
CONTRIBUTING DRAINAGE AREA, ACRES ~ D.(o
DISTURBED AREA IN CON TRIBU 7ING ARFA, ACRES 2~, 3
A. Sediment Volume = .1 acre ft. 01 sediment per acre of disturbed area.
_ .1 acre~f t.iacre X `L Co-30 acre
= 2.~3 acre tt.
~T[fl, ~eCOR S adVke iltIIh ,3RC. a SF o6
erwrw~~w~.corrrT~uc~owrr SITE PREPARATION & DRAINAGE REV. 1
~Ats urn crtr, uTAr STANDARD FORM
RUNOFF & SEDIMENT CALCULATIONS 9/80
SHT. la OF 12
1. SEDIMENT VOLUME

B. Sediment Volume = 3 Vears sediment from enure ~.vatershed as determined nY the Universal
Soil Loss Equauon IUSLEr USLE : A=RKLSCP
~~
Where: A = Average annual 5oJ loss m tonsiacre.
R = Rainfall factor
K = Soil erodrbilrty (actor
LS = Slope length and slope gradient 'actor
C = Cover factor
P = Erosion control practice factor
Watershed rr ust be divided into sub areas if difleren[ !actors occur for different areas within the waters•`red

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SUBAREA
IA. NO. SUB AREA DISCRIPTION IAREA R
Ar K LS C p A TONS
A X Ar

I lr ncl i~1Lr lx Lt ~
Turle Fire Srrc{ 4.3 , 30
C.Z$ 0.9 O.o42
I
D,jZ
131

Z e usc- Recln i,,.,,d- Bu.e
7~rlc F~.;c 5*~d
I1.3 ~ 30 X
0.29! 8 ' 1 I
I
/07.2
I,I/o2.5~

~
Ion-}~wc F~li Sl~.r.~•c I
?.~~ 30 :O."ioi 10 1 1 I
1 ~
GO.o
324.0
4 I-I L.uI R~wd Grnv(,I Sur{=cc I ~'.1 I 30 ~U.IO i 2 r I I (n.0 22.?
5 TurlnAFr^< Sw..d. ~ 17 3o iU.2S~0,'Si 1 1 4.2 7J4
I I
1

T07AL AREA 3U.(o TOTAL TONS PER YEAR I, ~'l l'7.7
70N5/YEAA . 200016/TON • 7 YEARS
SEDIMENT VOLUME (ACRE FEET) _ - 2 (ol
(Settled Density = ~~ Ib/ft31 + BO Iha/h.~ .x3560 h2! ACRE
•
10$0