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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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0.00 <br />1.0:1 7.0:1 3.0 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.01 0.25 0.1 0.005 0.61 <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 1 0.00 0.00 0.00 <br />J2, B1, S4 <br />EARTHEN CHANNEL <br />Drainage Area from J2, B1, S4, SWS(s)1-2: 166.5 acres <br />Total Contributing Drainage Area: 166.5 acres <br />MATERIAL: GRADED LOAM TO COBBLES NONCOLLOIDAL <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 5.000 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) (e) <br />------------------------------------------------- <br />0.00 1.0:1 7.0:1 3.0 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />0.01 0.25 0.1 0.005 0.61 <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 />J3, B1, S1 <br />EARTHEN CHANNEL <br />Drainage Area from J3, B1, S1, SWS(s)1-2: 44.3 acres <br />Total Contributing Drainage Area: 488.7 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 />D_scharge Width ZLeft ZRiaht Slone n <br />PAGE 10 <br />
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