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SEDCAD 4 for Windows <br />f --inH# 90CA -7n1n7 0 -1. 1 Q,H- <br />• <br />I : <br />Sage Creek Kline <br />Coal Stockpile Sumns <br />25- Year, 24 -Hour Storm Event <br />• Upper Coal Stockpile Sump (UCSS) <br />Lower Coal Stockpile Sump (LCSS) <br />Emergency Spillway Design <br />(This is a conservative demonstration. It assumes that the <br />principal spillways are inoperable and results in cod #,wjv a <br />conservative water surface elevation. The se <br />values are user set values equal to the .10- se o_ o ,_ <br />aly ' <br />Hydro -Envi tions, Inc. � •'� <br />P.O. Box 772996 — <br />57 10th Street Suite B O °. <br />Steamboat Springs, CO 80477 • _ <br />Filename: Coal Stockpile Sump Designs_25W241-lr 1109.sc4 <br />Printed 12 -17 -2009 <br />2.05.3- E2.E -2.1 12/09 <br />