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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 Company <br />Filename: C: \SEDCAD3 \2W \TAHRD6 !User: R.J.GEHRKE <br />Date: 04 -06 -1990 Time: 15:16:23 <br />SENECA II -W TAHRD -6 (AS- BUILT) <br />Storm: 1.60 inches, 10 year -24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON -POND STRUCTURE INPUT /OUTPUT TABLE <br />J1, B1, S1 <br />TAHRD-6 (AS- BUILT) <br />Drainage Area from J1, B1, S1, SWS(s)1: 1 acres <br />Total Ccntributing Drainage Area: 1 acres <br />MATERIAL: GRADED SILTS 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) W <br />1.05 10.0 3.0:1 5.0:1 4.7 - - -- 0.030 <br />Top Hydraulic ;roude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />--------------- - - -- <br />0.06 1.65 10.5 0.060 1.19 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------- <br />----------------------- <br />IN/OUT 0.08 1.05 <br />