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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 />1°04 on4n D-1, i e..ti.. K <br />u <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 />Musk X <br />Curve <br />Number <br />UHS <br />Peak <br />Discharge <br />(cfs) <br />Runoff <br />Volume <br />(ac -ft) <br />#47 <br />1 <br />4.200 <br />0.075 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.72 <br />0.063 <br />0.084 <br />2 <br />38.600 <br />0.112 <br />0.000 <br />0.000 <br />85.000 <br />M <br />42.70 <br />3.282 <br />Time of Concentration: <br />3 <br />6.800 <br />0.028 <br />0.000 <br />0.000 <br />85.000 <br />M <br />7.52 <br />0.578 <br />1.170 <br />0.606 <br />49.600 <br />alluvial valley fans <br />50.93 <br />3.923 <br />#46 <br />1 <br />8.000 <br />0.075 <br />0.000 <br />0.000 <br />63.000 <br />M <br />1.36 <br />0.120 <br />2 <br />19.600 <br />0.116 <br />0.000 <br />0.000 <br />85.000 <br />M <br />21.68 <br />1.666 <br />3 <br />2.100 <br />0.044 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.36 <br />0.032 <br />4 <br />3.000 <br />0.095 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.51 <br />0.045 <br />5 <br />1.600 <br />0.020 <br />0.000 <br />0.000 <br />85.000 <br />M <br />1.77 <br />0.136 <br />6 <br />0.800 <br />0.042 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.14 <br />0.008 <br />7 <br />1.700 <br />0.041 <br />0.000 <br />0.000 <br />85.000 <br />M <br />1.88 <br />0.144 <br />8 <br />75.300 <br />0.479 <br />0.000 <br />0.000 <br />63.000 <br />M <br />2.93 <br />0.906 <br />9 <br />10.700 <br />0.035 <br />0.000 <br />0.000 <br />85.000 <br />M <br />11.84 <br />0.910 <br />10 <br />8.100 <br />0.049 <br />0.000 <br />0.000 <br />85.000 <br />M <br />8.96 <br />0.689 <br />11 <br />5.500 <br />0.000 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.94 <br />0.083 <br />136.400 <br />49.62 <br />4.739 <br />#44 <br />1 <br />1.500 <br />0.084 <br />0.000 <br />0.000 <br />85.000 <br />M <br />1.66 <br />0.127 <br />2 <br />4.080 <br />0.606 <br />0.000 <br />0.000 <br />85.000 <br />M <br />1.92 <br />0.277 <br />3 <br />4.400 <br />0.091 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.75 <br />0.066 <br />4 <br />5.500 <br />0.031 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.94 <br />0.083 <br />5 <br />46.800 <br />0.230 <br />0.000 <br />0.000 <br />63.000 <br />M <br />2.78 <br />0.567 <br />6 <br />2.810 <br />0.362 <br />0.000 <br />0.000 <br />85.000 <br />M <br />1.66 <br />0.191 <br />7 <br />1.700 <br />0.057 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.29 <br />0.026 <br />8 <br />5.470 <br />0.040 <br />0.000 <br />0.000 <br />63.000 <br />M <br />0.93 <br />0.082 <br />72.260 <br />7.56 <br />1.419 <br />#45 <br />1 <br />3.000 <br />0.008 <br />0.000 <br />0.000 <br />85.000 <br />M <br />3.32 <br />0.255 <br />261.260 <br />111.42 <br />10.335 <br />#48 <br />261.260 <br />8.15 <br />4.080 <br />Subwatershed Time of Concentration Details: <br />Stru <br />SWS <br />Land Flow Condition <br />Slope (%) Vert. Dist. <br />Horiz. Dist. <br />Velocity <br />Time (hrs) <br /># <br /># <br />(ft) <br />(ft) <br />(fps) <br />#44 <br />1 <br />5. Nearly bare and untilled, and <br />4.07 25.00 <br />615.00 <br />2.010 <br />0.084 <br />alluvial valley fans <br />#44 <br />1 <br />Time of Concentration: <br />0.084 <br />#44 <br />2 <br />5. Nearly bare and untilled, and <br />1.37 35.00 <br />2,555.00 <br />1.170 <br />0.606 <br />alluvial valley fans <br />Filename: Initial Disturb JustCoalPond 2524v4.sc4 Printed 05-09-2017 <br />Exh. 7-23M-50 Revision Date: 5/18/2017 <br />Q -,;i ;-- AL. • TO -1 1 1 <br />
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