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2010-11-19_PERMIT FILE - C1980007 (37)
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2010-11-19_PERMIT FILE - C1980007 (37)
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Last modified
8/24/2016 4:27:08 PM
Creation date
3/24/2011 10:24:02 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Permit File
Doc Date
11/19/2010
Doc Name
WEST ELK MINE - SMALL AREA EXEMPTIONS
Section_Exhibit Name
Exhibit 66 SAE Sylvester Gulch
Media Type
D
Archive
No
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File: D: \sedcad \SUBSTAR1 9/21/99, 5:10:50PM <br />• Civil Software Design -- SEDCAD +•Version. 3.1 <br />Copyright (C) 1987 -1992. Pamela J. Schwab. All rights reserved_ <br />Company Name: GOLDER ASSOCIATES <br />Filename: 0: \SEDCAD \2178 - 121 \SUBSTAR User: WDP <br />Date: 09 -21 -1999 Time: 13:36:04 <br />, GA4, - SUBSTATION <br />Storm: 1.90 inches, 10 year -24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON -POND STRUCTURE INPUT /OUTPUT TABLE <br />................................................ ............................... <br />EQUILIBRIUM SLOPE NEGATIVE <br />................................................ ............................... <br />................................................ ............................... <br />EQUILIBRIUM SLOPE NEGATIVE <br />................................................ ............................... <br />• <br />Page: 5 <br />J1, 131, S1 <br />SUBSTATION <br />- Drainage.Area from J1, B1, S1, SWS(s)1 -2: 3.0 acres <br />Total Contributing Drainage Area: 3.0 acres <br />GRASS FILTER INPUTS: <br />Bulk Specific Gravity: 1.25 <br />Initial Depth of <br />Sediment in Zone D: 0.00 inches <br />Manning's Grass <br />Grass Infiltration Stiffness - - - - -- Filter - - - - -- <br />Seg n Height <br />Spacing Rate Factor Length Width Slope <br /># (in) <br />(in) (iph) (N -sq m) (ft) . (ft) <br />(°s) <br />1 0.0100 2.0 <br />0.2 0.05 2.000 80.0 200.0 <br />12.0 <br />Total <br />Filter Peak Critical Filter <br />Sediment <br />Trap Infiltration <br />Infiltration Flow Prone Travel Wedge <br />Depth <br />Efficiency Volume <br />Rate Depth Velocity Time Location <br />in Zone D <br />(°s) (ac -ft) <br />(cfs) (inch) (fps) (hrs) (feet) <br />(inch) <br />71.7 0.0214 <br />0.0185 0.122 0.8122 0.1000 0.713 <br />0.0342 <br />Runoff Peak <br />Peak Sediment Peak Settleable <br />Volume Discharge Sediment <br />Concentration Concentration 24VW <br />24AA <br />(ac -ft) (cfs) <br />(tons) (mg /1) ml /l (ml /1) <br />(ml /1) <br />IN 0.23 2.86 <br />3.9 23590 9.05 4.80 <br />1.13 <br />OUT 0.21 2.85 <br />1.1 9794 0.04 0.02 <br />0.00 <br />• <br />Page: 5 <br />
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