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

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Civil Software Design -- SEDCAD+ Version 3.0 Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. Comppany Name: Cyprus Yampa Coal • Filename: A:\OVMTRTR User: Karl C. Koehler Date: 04-04-1993 Time: 15:13:29 ORCHARD VALLEY MINE TRAINING TRAILER AREA OUTS LOPES Storm: 1.70 inches, 10 ear-24 hour SCS Type II Hydrograph convolution interval: 0.1 hr ----------------------------------------- ----------------------------------------- NON-POND STRUCTURE INPUT/OUTPUT TABLE ---------------------------------------- ---------------------------------------- Jl B1, S1 VEGETATIVE FILTER Drainage Area from Jl, Bl, S1, SWS(s)1: 0.2 acres Total Contributing Drainage Area: 0.2 acres GRASS FILTER INPUTS: Bulk Specific Gravity: 1.25 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 Slo e # (in) (in) (iph) (N-sq m) (ft) (ft) (%~ ---------------------------------------------------------------------------- --------------------------------------------------------------------------- 1 0.0100 6.0 3.0 0.15 2.000 5.0 250.0 33.0 Total Filter Peak Critical Filter Sediment Trap Infiltration Infiltration Flow Prone Travel Wed e Depth Efficiency Volume Rate Depth Velocity Time Loca~ion in Zone D (%) (ac-ft) (cfs) (inch) (fps) (hrs) (feet) (inch) ----------------------------------------------------------------------------- ----------------------------------------------------------------------------- 99.7 0.0003 0,0043 0.005 0.8122 0.1000 0.023 0.0276 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 0.00 0.05 0.3 228687 134.06 98.34 2.75 OUT 0.00 0.04 0.0 1435 0.00 0.00 0.00 ~~~~