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<br />Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyrignt (C) 1987-1992. Pamela J. Schwab. A11 rights reserved. <br />Company Name: MOUNTAIN COAL WEST ELK MINE <br />Filename: C:\SEDCAD3\ELEBORSA User: C. Johnston <br />Date: OB-18-1999 Time: 13:09:56 <br />Electric Borehole SAE <br />Storm: 1.90 inches, 10 year-29 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />--------------------------------------- <br />--------------------------------------- <br />J2, B1, S1 <br />Elec. Borehole Slope <br />Drainage Area frcm J2, B1, S1, SWS(s)1: 0.1 acres <br />Total Contributing Drainage Area: 0.4 acres <br />C <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 Fac*_or Length Width Slope <br />q (in) (in) (iph) (N-sq m) (ft) (ft) (8) <br />1 0.0200 9.0 2.0 0.30 20.000 65.0 110.0 33.0 <br /> Total Filter Peak <br />Trap Infiltration Infiltration Flow <br />Efficiency Volume Rate Depth <br />(8) <br />----------- (ac-ft) <br />------------- (cfs) <br />------------ (inch) <br />------- <br />90.9 0.0105 0.0997 0.040 <br />Critical Filter <br />Prone Travel <br />Velocity Time <br />(fps) (hrs) <br />--------------------------------- <br />--------------------------------- <br />1.0367 0.1000 0.000 0.0026 <br />Sediment <br />Wedge Depth <br />Location in Zone D <br />(feet) (inch) <br />Runoff Peak Peak Sediment Peak Settleable <br />volume Discharge Sediment Concentration Concentration 24VW 24AA <br />(ac-ft) (cfs) (tons) (mg/1) ml/1 (ml/1) (ml/1) <br />IN 0.03 0.39 0.1 7429 2.85 1.00 0.06 <br />OUT 0.02 0.29 0.0 1001 0.00 0.00 0.00 <br /> <br />*#Y###iYii#aia#+Y##ai###iiii#a#Ya##iiaaaiaiii#Lii##i##a#}iii#aaiiYai+aia#aa+### <br /> <br />