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PRIMARY SPILLWAY <br />PRIMARY DISCHARGE <br />PERFORATION(S) INVERT ( 6744.0 ) <br />6734 <br />6736 <br />6738 <br />6740 <br />6742 <br />6744 <br />6746 <br />6748 <br />6750 <br />6752 <br />6754 <br />6756 <br />0.00 2.00 4.00 6.00 8.00 <br />ACCUMULATIVE STORAGE (ac-ft)ELEVATION ( FT )PRINCIPAL SPILLWAY (6750.30) <br />EMERGENCY SPILLWAY (6752.00) <br />TOP OF STRUCTURE <br />(6755.00) <br />STAGE STORAGE CURVE <br />PROSPECT POND <br />STORAGE VOLUME COMPUTATIONS <br />PROSPECT POND <br />ELEV.AREA AVG.INTERVAL STORAGE ACC.STAGE <br />(ft)(ac)AREA (ft)(ac-ft)STORAGE INTERVAL <br />(ac)(ac-ft)(ft) <br />6734.00 0.0290 <br />6735.00 0.0884 0.0587 1.00 0.0587 0.0587 1.00 <br />6740.00 0.2692 0.1788 5.00 0.8940 0.9527 6.00 <br />6741.60 0.3078 0.2885 1.60 0.4615 1.4142 7.60 <br />6745.00 0.3898 0.3488 3.40 1.1858 2.6000 11.00 <br />6750.00 0.5418 0.4658 5.00 2.3288 4.9288 16.00 <br />6750.30 0.5510 0.5464 0.30 0.1639 5.0928 16.30 <br />6752.00 0.6036 0.5773 1.70 0.9814 6.0742 18.00 <br />6755.00 0.6952 0.6494 3.00 1.9482 8.0224 21.00 <br />EMERGENCY SPILLWAY <br />NOT TO SCALE <br />9.7% SLOPE <br />1% SLOPE <br />12" CMP <br />12" <br />3:1 <br />2:1 <br />6' <br />15' <br />CUT OFF COLLARS <br />RISER WITH TRASH RACK <br />CMP <br />12'67606740 <br />674 <br />5 <br />67506 <br />7 <br />5 <br />5 <br />6755 <br />6750 <br />6745 <br />6740 <br />6755 <br />67306735674067456750675567406750674567356755CHKBYDATENo.REVISION <br />DRWG NO. <br />APPROVED BY: <br />SDWDRWG. BY: <br />5/7/15DATE: <br />As ShownSCALE: <br />Prospect Pond <br />Colowyo Coal Company <br />5731 State Highway 13 <br />Meeker, Colorado 81641 <br />COAL <br />COMPANYSAFETY-PEOPLE-PRODUCT I ON -E N E R G Y <br />As-Built <br />SDW <br />Figure Exh. 7-14PP-1 <br />S <br />N <br />EW <br />I, LEE E. SAMPSON, hereby certify that this <br />map has been reviewed by me and is true <br />and correct to the best of my knowledge and <br />information, relying on information supplied <br />by experts employed by Colowyo Coal <br />Company or qualified consultants working <br />for Colowyo Coal Company, and that I am a <br />Professional Engineer licensed in Colorado as <br />required by the provisions of C.R.S. <br />12-25-101 through C.R.S. 12-25-119. IN <br />ENGINEERS CERTIFICATION <br />WITNESS WHEREOF, I have hereunder set <br />my hand and affixed my seal. <br />12/13/22 <br />1 AS BUILT 9/20/99 <br />J.P.G. <br />S.R.H. <br />J.P.G. <br />S.R.H. <br />MR-136 Noted Gate Valve as Sealed 12/11/14 TONY LES <br />TR-158 Revised Drawing Number/General Formatting Updates 12/13/22 TONY LES <br />Contour Interval = 1 Ft. <br />Scale 1" = 20'