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2012-08-03_PERMIT FILE - C1981012 (2)
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2012-08-03_PERMIT FILE - C1981012 (2)
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Last modified
8/24/2016 5:04:41 PM
Creation date
8/8/2012 2:02:49 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
Permit File
Doc Date
8/3/2012
Doc Name
West DWDA
Section_Exhibit Name
Exhibit 19 (22) West DWDA (DWDA #3)
Media Type
D
Archive
No
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RUN -OFF VOLUME - - Containment Area No. 2 <br />25 -Year <br />Precip Direct Run -off <br />Area Acres Curve # Amount Run -off Vol A-F <br />Coal Mine Waste <br />4.29 <br />90 <br />3.4 <br />2.355 <br />0.842 <br />PDO <br />4.15 <br />71 <br />3.4 <br />1.00 <br />0.346 <br />Disturbed (Poor Cover) <br />3.33 <br />87 <br />3.4 <br />2.093 <br />0.581 <br />Disturbed (Fair Cover) <br />1.37 <br />81 <br />3.4 <br />1.628 <br />0.186 <br />TOTAL <br />13.14 <br />1.954 <br />*SedCadcakulates 1.84A -Farad <br />W11 be used as required water vWume <br />SEDIMENT VOLUME - Containment Area No. 2 <br />Use the universal soil loss equation. <br />A = R K L S C P <br />R = rainfall factor <br />70.00 <br />K = soil erodibility factor - sandy loam <br />0.27 <br />LS = combined length slope factor <br />0.31 <br />Use Ditch 42 - 400' & 2% <br />C = cropping management factor - Figure 7 <br />1.00 <br />P = erosion control practice factor <br />1.00 <br />A = sediment, tons /acre /year <br />5.86 <br />YEAR SEDIMENT VOLUME - CUBIC FEET <br />0.09 <br />13.14 ACRES - 115 # /CF <br />REQUIRED CAPACITY -- (Acre Feet) 1.93 <br />TR -65 <br />EXH. 19(22) -3 06/15/12 <br />
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