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Civil Software Design -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. • <br />Company Name: Peabody Coal Ccmpany <br />Filename: C:\SEDCAD3\2W\TAHRDI User: R.J.GEHRY.E <br />Date: 04-06-1990 Time: 15:16:51 <br />SENECA II-W TAHRD-1 (AS-BUILT) <br />Storm: 1.60 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />----------------------------------------- <br />----------------------------------------- <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />------------------------------------------ <br />----------------------------------------- <br />J1, B1, S1 <br />TAHRD-1 (AS-BUILT) <br />Drainage Area from J1, 81, S1, SWS(s)1: 1 acres <br />Total Contributing Drainage Area: 1 acres <br />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n • <br />(cfs) (ft) (~) <br />------------------------------------------------- <br />0.53 X3.0:1 5.0:1 3.3 0.030 <br />Top 4ydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.25 x.18 2.0 0.119 1.10 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------- <br />----------------------- <br />IN/OUT 0.04 0.53 <br />• <br />