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4+00699069856975698069957000700570106980698569906995700070057010701570206975 6970697569856980699069906955696069656970697569806985B'BAA'0+000+250+500+751+001+251+501+752+002+250+000+250+500+751+001+251+501+752+002+252+502+753+003+253+503+75AA'0+000+250+500+751+001+251+501+752+002+2569806990700070106980699070007010Section B - B'BB'3H:1V3H:1V2.5H:1V2 <br />. <br />5 <br />H <br />: <br />1 <br />V <br />Pond Bottom23.7'0+000+250+500+751+001+251+501+752+002+252+502+753+003+253+503+754+00695069606970698069907000695069606970698069907000Section A - A'20.0'5.0'EMBANKMENT DETAILSPRINCIPAL SPILLWAY WITH NCRS ANTI-VORTEX TRASH RACK, EL. 6984.0TWO 3" DIA. PERFORATIONS, EL 6982.0RIPRAP PROTECTION AND12" PARSHALL FLUMEDOWNSTREAMUPSTREAMEMERGENCY SPILLWAYEL. 6986.0, (BOTTOM OF RIPRAP)EMBANKMENT CREST6991.018" Ø GALV STEEL CMPRISER IS 18" DIA. GALV STEEL CMP3131ANTISEEP COLLARS696969706971697269736974697569766977697869796980698169826983698469856986698769886989699069910.001.002.003.004.005.006.00WEEP HOLES (6982.00)EMERGENCY SPILLWAY (6986.00)TOP OF STRUCTURE(6991.00)Accumulative Storage (Acre-Ft)Elevation MSL <br />Stage Storage CurveSection 26Storage Volume ComputationsELEV.(ft)AREA(ac)AVG.AREA(ac)INTERVAL(ft)STORAGE(ac-ft)ACC.STORAGE(ac-ft)STAGEINTERVAL(ft)6969.000.00396970.000.01420.00901.000.00900.00901.006971.000.02670.02041.000.02000.02912.006972.000.04190.03431.000.03420.06333.006973.000.05980.05081.000.05090.11414.006974.000.07850.06911.000.06900.18315.006975.000.10040.08951.000.08940.27256.006976.000.12360.11201.000.11190.38447.006977.000.14840.13601.000.13600.52048.006978.000.17500.16171.000.16160.68209.006979.000.20270.18881.000.18880.870810.006980.000.23140.21711.000.21711.087911.006981.000.25970.24561.000.24551.333412.006982.000.28960.27461.000.27481.608213.006983.000.31940.30451.000.30451.912714.006984.000.34960.33451.000.33442.247115.006985.000.38090.36531.000.36532.612416.006986.000.41450.39771.000.39763.010017.006987.000.41450.41451.000.41453.424418.006988.000.41450.41451.000.41453.838919.006989.000.41450.41451.000.41454.253320.006990.000.41450.41451.000.41454.667821.006991.000.41450.41451.000.41455.082322.00PRINCIPAL SPILLWAY (6984.00)SNEWContour Interval = 1 Ft.CHKBYDATENo.REVISIONDRWG NO.APPROVED BY:TonyDRWG. BY:8/16/18DATE:As ShownSCALE:Section 26 PondColowyo Coal Company5731 State Highway 13Meeker, Colorado 81641COALCOMPANYSAFETY-PEOPLE-PRODUCTION-ENERGYScale 1" = 25'Scale 1" = 25'Scale 1" = 30'As-BuiltLESFigure 7-23J-1Note: A staff gauge is installed inside the pond near the primary discharge.BCTony3/25/19199Added Staff Gauge NoteMR-LESTony4/28/22154Revised Drawing NumberTRI, LEE E. SAMPSON, hereby certify that this map has been reviewed by me and is trueand correct to the best of my knowledge andinformation, relying on information suppliedby experts employed by Colowyo Coal Company or qualified consultants working for Colowyo Coal Company, and that I am aProfessional Engineer licensed in Colorado asrequired by the provisions of C.R.S. 12-25-101 through C.R.S. 12-25-119. IN ENGINEERS CERTIFICATIONWITNESS WHEREOF, I have hereunder set my hand and affixed my seal.4/28/22