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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\TAHRDI7 User: R.J.GEHRKE <br />Date: 04-09-1990 Time: 08:43:03 <br />SENECA II-W (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-17 (AS-BUILT) <br />Drainage Area from J1, B1, S1, SWS(s)1: 2 acres <br />Total Contributing Drainage Area: 2 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 'Aidth ZLeft ZRight Slope n <br />• <br />(cfs) <br />---------- (ft) <br />--------- <br />-------- (%) <br />-------------- <br />-------- <br />---------- <br />1.20 --------- <br />5.0 -------- <br />2.0:1 -------------- <br />5.0:1 4.2 -------- <br />0.030 <br /> Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) <br />-------- (fps) <br />--------- (ft) <br />-------- <br />-------------- <br />-------- <br />-------- <br />0.10 --------- <br />2.15 -------- <br />5.7 -------------- <br />0.097 -------- <br />1.21 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------- <br />----------------------- <br />IN/OUT 0.09 1.20 <br />• <br />