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2021-05-12_PERMIT FILE - C1981038 (3)
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2021-05-12_PERMIT FILE - C1981038 (3)
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Last modified
5/25/2021 1:35:52 PM
Creation date
5/25/2021 1:02:05 PM
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Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Permit File
Doc Date
5/12/2021
Doc Name
Surface Water Analyses
Section_Exhibit Name
Volume 7 Exhibit 06 Drainage and Culvert Calculations
Media Type
D
Archive
No
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Civil Software Design -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987 -1990. Pamela J. Schwab. All rights <br />reserved. <br />Company Name: Cyprus Yampa Coal <br />Filename: A: User: Karl C. <br />\OVSILORR <br />Koehler <br />Date: 04 -04 -1993 Time: 15:19:30 <br />• <br />ORCHARD VALLEY MINE SILO AREA RAILROAD OUTSLOPE <br />Storm: 1.70 inches, 10 ear -24 hour SCS Type II <br />convolution 'interval: <br />Hydrograph 0.1 hr <br />SUBWATERSHED /STRUCTURE INPUT /OUTPUT TABLE <br />-Hydrology - <br />Base- <br />Runoff <br />Peak <br />JBS SWS Area CN UHS Tc K X Flow <br />Volume Discharge <br />(ac) (hrs) (hrs) (cfs) <br />---------------- <br />(ac -ft) <br />-------- <br />(cfs) <br />----------------------------------------------------------------------- <br />111 1 0.90 73 M 0.001 0.000 0.000 0.0 <br />0.01 <br />0.18 <br />Type: Grass Filter Label: VEGETATIVE FILTER <br />111 Structure 0.90 <br />0.01 <br />------------------------------------------------------------------------------- <br />111 Total IN 0.90 <br />0.01 <br />0.18 <br />111 Total OUT <br />0.01 <br />0.18 <br />Ift <br />SUBWATERSHED /STRUCTURE INPUT /OUTPUT TABLE <br />_= ____ - - - -- <br />------------------------- ----- ------ <br />------ <br />-Sedimentology- <br />SED: Sediment <br />SCp: Peak Sediment Concentration <br />SS pp: Peak Settleable Concentration <br />24VW: Volume Weighted Avera e Settleable Concentration - Peak 24 hours <br />24AA: Arithmetic Average Settleable Concentration - Peak 24 hours <br />PS <br />JBS SWS K L S CP Tt # SED SCp SSp 24VW 24AA <br />(ft) ( %) (hrs) (tons) (mg 71) (ml /1) (ml /1) (ml /1) <br />111 1 0.28 40.0 100.0 0.150 0.000 1 1.2 <br />Type: Grass Filter Label: VEGETATIVE FILTER <br />111 Structure 1.2 <br />----------------------------------------------------------------------------- <br />111 Total IN 1.2 154776 90.73 45.41 7.07 <br />111 Total OUT 0.0 10565 0.00 0.00 0.00 <br />
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