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PERMFILE72742
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PERMFILE72742
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Entry Properties
Last modified
8/24/2016 11:22:17 PM
Creation date
11/21/2007 12:23:59 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980001
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
Computer Model of Surface Mine Hydrology and Sedimentology
Section_Exhibit Name
4.6 Appendix 4.6-M‎(b)‎
Media Type
D
Archive
No
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`J <br />(CFS) (INCHES) <br />_________________________________ <br />1 4.20 0.41 <br />2 4.52 0.41 <br />***** SUMMARY TABLE FOR TOTAL WATERSHED ***** <br />_____________________________________________ <br />STORM DURATION = 24.00 HOURS <br />PRECIPITATION DEPTH = 1.80 INCHES <br />RUNOFF VOLUME = 0.6521 ACRE-FT <br />PEAK DISCHARGE = 8.2686 CFS <br />AREA = 19.1000 ACRES <br />TIME OF PEAK DISCHARGE = 12.00 HRS <br />___________________ STRUCTURE DATA FOR JUNCTION M1 <br />QUESTION <br />NO. <br />1. NUMBER OF SUBWATERSHEDS - <br />4 <br />x * * * * * * * * * * * * * * * * * * * * * * <br />JUNCTION 1, BRANCH 1,~STRUCTURE 2 <br />* * k * * * * Y * * # * * * * * * * * * * * <br />• <br /> *** HYDRAULIC INPUT VALUES FOR SUBWATERSHEDS *** <br />WATER AREA CURVE TC TT ROUTING COEFFICIENTS UNIT <br />SHED <br />____ ACRES <br />___ NUMBER <br />_ <br />_ HR <br />___ HR <br />___ K-HRS <br />_ <br />_____ X <br />__ <br />__ HYDRO <br />_______ <br />_ <br />___ <br />1 _____ <br />13.10 ________ <br />79.00 ______ <br />0.090 __ <br />0.290 ________ <br />0.290 _____ <br />0.34 0.0 <br />2 13.20 79.00 0.080 0.120 0.120 0.39 0.0 <br />3 18.00 79.00 0.140 0.050 0.050 0.34 2.0 <br />4 10.20 79.00 0.070 0.000 0.000 0.00 0.0 <br />* * * COMPUTED VALUES FOA INDIVIDUAL WATERSHEDS * * * <br />WATERSHED PEAK FLOW RUNOFF <br /> <br />----------- (CFS) <br />------------ (INCHES) <br />---------- <br />1 5.99 0.41 <br />2 6.03 0.41 <br />3 5.83 0.41 <br />9 4.66 0.41 <br />***** SUMMARY TABLE FOR TOTAL WATERSHED ***** <br />_____________________________________________ <br />STORM DURATION = 24.00 HOURS <br />PRECIPITATION DEPTH = 1.80 INCHES <br />RUNOFF VOLUME = 1.8607 ACRE-FT <br />PEAK DISCHARGE = 16.9700 CFS <br />AREA = 54.5000 ACRES <br />TIME OF PEAK DISCHARGE = 12.00 HRS <br />• <br />
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