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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: Peabody Coal Company <br />• Filename: C: \SEDCAD3 \SEN2 \NEWBSWF User: TJW <br />Date: 11 -10 -1992 Time: 10:50 :49 <br />NEW BONE YARD SWF (10yr -24hr event) <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 />OUTLET (Proposed Silt Fence Location) <br />Drainage Area from J1, B1, S1, SWS(s)1: 0.4 acres <br />Total Contributing Drainage Area: 0.4 acres <br />POROUS ROCK CHECK DAM INPUTS: <br />Manning's <br />Height Slope Z n Porosity <br />(ft) M M <br />3.0 1.00 %999.0:1 0.050 20.00 <br />Trap Efficiency: 93.28 % <br />• Runoff Peak Peak Sediment Peak Settleable <br />Volume Discharge Sediment Concentration Concentration 24VW 24AA. <br />(ac - ft) (cfs) (tons) (mg /1) ml. /1 (ml /1) (ml /1) <br />IN 0.03 0.34 0.1 4940 3.77 2.30 0.31 <br />OUT 0.03 0.34 0.0 332 0.11 0.07 0.01 <br />r� <br />NOR 0066 <br />7- 6 -7 -25 <br />