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Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Comppanyy Name: CYPRUS YAMPA VALLEY COAL <br />• Filename: E:\SEDCAD3\TCC\DEH2OAA User: CW BEGEJ <br />Date: 06-02-1995 Time: 08:02:38 <br />CULVERT EMD-1 ON ACCESS ROAD TO TCC DEWATERING FACILITY <br />Storm: 1.80 inches, 10 ear-24 hour, SCS Type II <br />Hydrograph convolution Interval 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />Jl, 81, S1 <br />UP MTN SHRUB & CROP <br />Drainage Area from J1, B1, S1, SWS(s)1-2: 27.3 acres <br />Total Contributing Drainage Area: 27.3 acres <br />Entrance <br />Loss Maximum Pipe Pipe Manning's <br />Coefficient Headwater Length Slo e n Tailwater <br />(ft) (fg) (~~ (ft) <br />0.90 2.5 30.0 10.0 0.024 0.5 <br />Minimum Pige Diameter Required: 30.0 inches <br />(See Culvert Utility Program for full performance curves) <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 1.30 16.28 <br />*~,t*~,-*,-,-*r,-*,-***~*****~***~*,t~,-*,t**,-r*,t,t*,t,t*,t,t,t,t,t,t,t**+r,t,t*~#,t ,t ,t *,k,t,t,t *,t,t,t*** <br />• <br />I~It9i_03 Exhibit Sa, Page 6 of 18 Revised 9/19/95 <br />