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Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: GREYSTONE DEVELOPMENT CONSULTANTS <br />Filename: C:\SEDCAD3\LOR\WFILL4 User: CWB <br />Date: 07-23-1997 Time: 08:51:51 <br />W SIDE OF FILL 4: D43 & 44 (100 YR STORM) AND D45 (10 YR STORM) <br />Storm: 4.20 inches, 100 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />----------------------------------------- <br />----------------------------------------- <br />J1, B1, S1 <br />D43: 100 YR STORM <br />Drainage Area from J1, B1, S1, SWS(s)1: 0.9 acres <br />Total Contributing Drainage Area: 0.9 acres <br />MATERIAL: COBBLES AND SHINGLES <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 />2.81 2.5:1 20.0:1 5.0 0.035 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.30 2.70 6.8 0.151 1.22 <br />w/ Freeboard: 0.60 13.6 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 0.27 2.81 <br />............................................................................... <br />THE CHANNEL CANNOT CARRY THE FLOW AT THE PERMISSIBLE VELOCITY. TRY <br />CHOOSING A WIDER CHANNEL GEOMETRY OR USE A PROTECTIVE CHANNEL LINING. <br />Runoff <br />Volume <br />(ac-ft) <br />------------------ <br />IN/OUT 1.57 <br />**********~Ar****************************** <br />J2, B1, <br />D44:100 YR <br />Peak <br />Discharge <br />(cfs) <br />16.49 <br />k**************ie****ir*************~k*~ <br />S2 <br />STORM <br />