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2015-03-11_PERMIT FILE - C1981038A (3)
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2015-03-11_PERMIT FILE - C1981038A (3)
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Last modified
5/25/2021 1:35:42 PM
Creation date
4/10/2015 10:08:05 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981038A
IBM Index Class Name
Permit File
Doc Date
3/11/2015
Doc Name
Surface Water Analyses
Section_Exhibit Name
Volume 7 Exhibit 06 Drainage and Culvert Calculations
Media Type
D
Archive
Yes
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Civil Software Design -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987 -1990. Pamela J. Schwab. All rights reserved. <br />Filename <br />Storm: 1. <br />Compan <br />A: \OVSILORR <br />Date: <br />ORCHARD VALLEY <br />70 inches, 10 <br />Hydrograph <br />y Name: Cyprus Yampa Coal <br />User: Karl C. Koehler <br />04 -04 -1993 Time: 15:19:30 <br />MINE SILO AREA RAILROAD OUTSLOPE <br />cear -24 hour SCS Type II <br />onvolution interval: 0.1 hr <br />NON -POND STRUCTURE INPUT /OUTPUT TABLE <br />J1 B1, Sl <br />VEGETA'T'IVE FILTER <br />Drainage Area from Jl, Bl, S1, SWS(s)l: 0.9 acres <br />Total Contributing Drainage Area: 0.9 acres <br />GRASS FILTER INPUTS: <br />Bulk Specific Gravity: 1.25 <br />Initial Depth of Sediment in Zone D: 0.00 inches <br />Manning's Grass Grass Infiltration Stiffness - - - - -- Filter - - - - -- <br />Seg n Height Spacing Rate Factor Lengqth Width Slo e <br /># (in) (in) (iph) (N -sq m) (ft) (ft) ( %� <br />1 0.0100 6.0 3.0 0.15 2.000 5.0 220.0 5.0 <br />Total Filter Peak Critical Filter Sediment <br />Trap Infiltration Infiltration Flow Prone Travel Wedge Depth <br />Efficiency Volume Rate Depth Velocity Time Location in Zone D <br />(%) (ac -ft) (cfs) (inch) (fps) (hrs) (feet) (inch) <br />________________________________________________ ________ _______________________ <br />97.0 0.0018 0.0038 0.021 0.8122 0.1000 0.057 0.1179 <br />Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac -ft) (cfs) (tons) (mg /1) ml /l (ml /1) (ml /1) <br />_______________________ <br />IN 0.01 0.18 1.2 154776 90.73 45.41 7.07 <br />OUT 0.01 0.18 0.0 10565 0.00 0.00 0.00 <br />�S9E�D <br />
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