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Civil Software Design -- SEDCAD+ Versicn 3.0 <br />Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. <br />Company Name: Peabody Coal Company <br />Filename: C:\SEDCAD3\2W\TAHRDI3 User: R.J.GEHRKE <br />Date: 04-09-1990 Time: 08:12:43 <br />SENECA II-W TAHRD-13 (AS-BUILT) <br />Storm: 1.60 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />----------------------------------------- <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />----------------------------------------- <br />----------------------------------------- <br />J1, B1, S1 <br />TAHRD-13 (AS-BUILT) <br />Drainage Area from J1, B1, S1, SWS(s)1: 4 acres <br />Total Contributing Drainage Area: 4 acres <br />MATERIAL: GRADED SIL7S TO COBBLES COLLOIDAL <br />Trapezoidal 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 />------------------------------------------------- <br />2.22 10.0 3.0:1 5.0:1 1.4 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.14 1.52 11.1 0.131 0.74 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------- <br />----------------------- <br />IN/OUT 0.17 2.22 <br />• <br />