Laserfiche WebLink
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 \TAHRD4 User: R.J.GEHRKE <br />Date: 04 -06 -1990 Time: 15:16:18 <br />SENECA II -W TAHRD -4 (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 />J1, B1, S1 <br />TAHRD -4 (AS- BUILT) <br />Drainage Area from J1, B1, S1, SWS(s)i: 3 acres <br />Total Contributing Drainage Area: 3 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) ( %) <br />1.71 10.0 3.0:1 5.0:1 1.0 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />0.13 1.24 11.0 0.124 - - - -- -0.62 <br />Runoff Peak <br />Volume Discharge <br />(ac -ft) (cfs) <br />IN /OUT 0.13 1.71 <br />