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SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />• <br />Structure Detai/; <br />Structure #1 (Grass Filter) <br />Dri//pad - Aat w/grass filter <br />Grass Filter Inputs: <br /> Stiffness <br />Roughness Grass Height Hydraulic Infiltration Factor Filter Length Filter Width Filter Slope <br />Coeffcient (In) Spacing (In) Rate (Iph) (R) (R) (%) <br /> (N-59 m) <br />0.0117 4.0 2.00 0.15 20.000 15.0 10.0 8.0 <br />Grass Filter Results: <br />• <br />• <br />Total Infiltration Volume: 0.0004 at-R <br />Filter Infiltration Rate: 0.0005 cfs <br />Peak Flow Depth: 0.256 in <br />Critical Prone Velocity: 1.0367 fps <br />Wedge Location: 0.00 R <br />sediment Depth in Zone D: 0.0567 in <br />Trap Effciency: 51.6 <br />Filename: Drill site -gentle slope.sc4 <br />Printed 03-27-2001 <br />