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PERMFILE72742
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PERMFILE72742
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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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STORM DURATION = 24.00 HOURS <br />PRECIPITATION DEPTH 1.80 INCHES <br />• <br />RUNOFF VOLUME 0.2492 ACRE-FT <br />PEAK DISCHARGE 3.3361 CFS <br />AREA = 7.3000 ACRES <br />TIME OF PEAK DISCHARGE = 12.00 HRS <br />*SUMMARY TABLE OF COMBINED HYDROGRAPH AND SEDIGRAPH VALUES* <br />___________________________________________________________ <br />PREVIOUS MUSKINGUM ROUTING X = 0.34 <br />PREVIOUS MUSKINGUM ROUTING K = 0.0900 HRS <br />PREVIOUS ROUTED PEAK DISCHARGE = 7,91 CFS <br />TIME OF ROUTED PEAK DISCHARGE = 12.00 HRS <br />TOTAL DRAINAGE AREA 24.60 ACRES <br />TOTAL RUNOFF VOLUME = 0.8399 AC-FT <br />PEAK RUNOFF DISCHARGE 11.24 CFS <br />TIME TO PEAK DISCHARGE 12.00 HRS <br />STRUCTURE DATA FOA JUNCTION M1 ___________________ <br />QUESTION <br />NO. <br />1. NUMBER OF SUBWATERSHEDS - <br />2 <br /> <br />i#** 4 i## x** i# i x k k*#* i* k <br />JUNCTION 1, BRANCH 1, STRUCTURE 3 <br />i * * * i i # * i * # i * # * i i r # * * * i <br />#t#*k****###k*k**#*#*#**fi**##*Y*f#**x***#*#*#*****#YY*##**k*i#*#*#**#***#*Y <br />BETA IS NEGATIVE WHICH INHERENTLY INDICATES THAT THE <br />STREAM SYSTEM TRANSPORT CAPACITY EXCEEDS THE SEDIMENT <br />LOAD, AS EVALUATED BY WILLIAMS' TECHNIQUE. SEDIMOT II <br />DOES NOT CONSIDER ERODIBLE CHANNELS SO BETA IS SET <br />EQUAL TO .01. IF THE USER WISHES TO EVALUATE THE TRANS- <br />PORT CAPACITY OF THE STREAM DIRECTLY HE/SHE SHOULD USE <br />SUBROUTINE SLOSS. <br />ixxxfi+irixxxxrrixxxxxxrrxxtxrx*rrxx:#xrrrrrxixxx*rrriixxxxxi*iirixxfi****ii# <br /> *** HYDRAULIC INPUT VALUES FOR SUBWATERSHEDS *** <br />WATER AREA CURVE TC TT ROUTING COEFFICIENTS UNIT <br />SHED <br />____ ACRES <br />__ NUMBER HR HR K-HRS X HYDRO <br />__ <br />__ <br />1 _____ <br />_ <br />14.zo __________ <br />79.ao _________ <br />o.loo _____ <br />o.zlo ________________________ <br />o.zlo o.3a ________ <br />o.o <br />2 22.60 79.00 0.130 0.000 0.000 0.00 2.0 <br />* * * COMPUTED VALUES FOR INDIVIDUAL WATERSHEDS * * <br />WATERSHED PEAK FLOW RUNOFF <br />(CFS) (INCHES) <br />
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