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2017-07-18_PERMIT FILE - C1981019A (2)
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2017-07-18_PERMIT FILE - C1981019A (2)
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Last modified
5/9/2023 2:48:19 PM
Creation date
8/28/2017 8:53:29 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
7/18/2017
Doc Name
Sediment Control for Initial Disturbance Coal Stockpile Pond Using Total Containment
Section_Exhibit Name
Volume 18 Exhibit 7, Item 23 Part M
Media Type
D
Archive
Yes
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SEDCAD 4 for Windows <br />40021 onIn 0-1 i Q,6 --h <br />Subwatershed Hydrology Detail: <br />Stru <br /># <br />SWS <br /># <br />SWS Area <br />(ac) <br />Time of <br />Conc <br />(hrs) <br />Musk K <br />(hrs) <br />Curve <br />Musk X UHS <br />Number <br />Peak <br />Discharge <br />(cfs) <br />Runoff <br />Volume <br />(ac -ft) <br />#1 <br />1 <br />2.560 <br />0.281 <br />0.000 <br />0.000 85.000 M <br />1.03 <br />0.111 <br />5. Nearly bare and untilled, and <br />2 <br />19.320 <br />0.102 <br />0.000 <br />0.000 63.000 M <br />0.24 <br />0.097 <br />21.880 <br />#1 <br />1 <br />1.10 <br />0.208 <br />#2 <br />21.880 <br />#1 <br />2 <br />3. Short grass pasture <br />1.10 <br />0.208 <br />#3 <br />0.102 <br />21.880 <br />2 <br />Time of Concentration: <br />0.00 <br />0.000 <br />Subwatershed Time of Concentration Details: <br />Stru <br />SWS <br />Land Flow Condition <br />Vert. Dist. <br />Slope (%) <br />Horiz. Dist. <br />Velocity <br />Time (hrs) <br /># <br /># <br />(ft) <br />(ft) <br />(fps) <br />#1 <br />1 <br />5. Nearly bare and untilled, and <br />2.50 40.00 <br />1,600.00 <br />1.580 <br />0.281 <br />alluvial valley fans <br />#1 <br />1 <br />Time of Concentration: <br />0.281 <br />#1 <br />2 <br />3. Short grass pasture <br />4.17 25.00 <br />600.00 <br />1.630 <br />0.102 <br />#1 <br />2 <br />Time of Concentration: <br />0.102 <br />Filename: TemporarySump.sc4 Printed 05-16-2017 <br />Exh. 7-23M-15 Revision Date: 5/18/2017 <br />Tinvicinn xr, • TA -111 <br />
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