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HYDRO29932
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HYDRO29932
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Entry Properties
Last modified
8/24/2016 8:48:47 PM
Creation date
11/20/2007 11:42:45 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Hydrology
Doc Date
7/16/1998
Doc Name
REQUEST FOR ALTERNATE LIMITS DUE TO SNOWMELT ADDITIONAL INFORMATION
From
COLOWYO COAL CO
To
WQCD
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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' (cis) <br />---------- (ft) <br />--------- (%) <br />------------------------------ <br /> ---------- <br />6.68 --------- ------------------------------ <br />1.0:1 7.0:1 5.0 0.025 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) <br />-------- (fps) <br />--------- (ft) <br />------------------------------ <br /> -------- <br />0.55 --------- <br />5.52 ------------------------------ <br />4.4 0.267 1.86 <br />w/ Freeboard: 0.85 6.8 <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-ft) (cfs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) <br />---------------- <br />IN/OUT 0.56 --------- <br />6.68 ---------- <br />12.9 -------------------------------------------- <br />33225 17.13 8.64 2.24 <br /> <br />J3, B3, S1 <br />EARTHEN CHANNEL <br />Drainage Area from J3, B3, S1, SWS(s)1-2: 21.4 acres <br />Total Contributing Drainage Area: 21.4 acres <br />MATERIAL: SHALES AND HARDPANS <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 6.000 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) (_) <br />------------------------------------------------- <br />0.00 1.0:1 7.0:1 5.0 0.025 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ftl <br />----------------------------------------------- <br />0.01 0.38 0.1 0.005 0.95 <br />w/ Freeboard: 0.31 2.5 <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-ft) (cfs) (tons) (mg/1) (ml/1) (ml/1) (ml/1) <br />------------------------------------------------------------------------------- <br />IN/OUT 0.00 0.00 0.0 0 0.00 0.00 0.00 <br />+*,rr*+*+++~+,r+++**.t,r+++rr,r+*,r,r++++++++r++,r*r+++***,r,r+*,r*,r*,r+~.,r+.**+~++...+*++ <br />PAGE 11 <br />
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