2013-10-30_PERMIT FILE - C1981038A ‎(2)‎

• Permit No: C1981038A
• IBM Index Class Name: Permit File
• Doc Date: 10/30/2013
• Section_Exhibit Name: Volume 8 Surface Drainage - Drainage - Design & Location
• Media Type: D
• Archive: Yes

Civil Software Design -- SEDCAD+ Version 3.0
Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved.
Com any Name: Cyprus Yampa Coal
• Filename: A:\OVWMST~P User: Karl C. Koehler
Date: 04-04-1993 Time: 14:04:48
ORCHARD VALLEY WEST MINE FILL (SOUTHERN EXPOSURE - UPPER SLOPE)
Storm: 1.70 inches, 10 ear-24 hour SCS Type II
Hydrograph Convolution 'Interval: 0.1 hr
NON-POND STRUCTUT2E INPUT/OUTPUT TABLE
J1, Bl Sl
TERRACE GRAS FILTER
Drainage Area from J1, B1, Sl, SWS(s)l: 1.5 acres
Total Contributing Drainage Area: 1.5 acres
GRASS FILTER INPUTS:
Bulk Specific Gravity: 2.50
Initial Depth of Sediment in Zone D: 0.00 inches
Manning's Grass Grass Infiltration Stiffness ------ Filter -
Seg n Height Spacing Rate Factor Lenggth Width Slope
# (in) (in) (iph) (N-sq m) (ft) (ft) (%)
_________________
_______________________________________________________________
1 0.0100 6.0 3.0 0.15 2.000 20.0 330.0 0.1
Total Filter Peak Critical Filter Sediment
Trap Infiltration Infiltration Flow Prone Travel Wedqe Depth
Efficiency Volume Rate Depth Velocity Time Loca£ion in Zone D
(%) (ac-ft) (cfs) (inch) (fps) (hrs) (feet) (inch)
___________________________________________________________________________
99.3 0.0162 0.0229 0.071 0.8122 0.1000 0 024 0.0158
Runoff Peak Peak Sediment Peak Settleable
• Volume Discharge Sediment Concentration Concentration 24VW 24AA
(ac-ft) (cfs) (tons) (mg/1) ml/1 (ml/1) (ml/1)
-------------------------------------------------------------------------------
---------------------------- ---------------------------------------
IN 0.02 0.29 2.4 164471 96.42 40.53 13.36
OUT 0.01 0.27 0.0 3977 0.00 0.00 0.00

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