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0 <br />i <br />N 332.450 <br />PRIMARY SPILLWAY <br />ELEVATI ❑NS <br />DESCRIPTION <br />ELEVATION (FT) <br />TOP OF EMBANKMENT <br />7756.0 <br />EMERGENCY SPILL, INVERT <br />7754.5 <br />PRIMARY SPILL, INVERT <br />7752.9 <br />PERFORATION(S) INVERT <br />7746.0 <br />GATE VALVE INVERT <br />7743.7 <br />PRIMARY DISCHARGE.INVERTI <br />_ <br />7734.0 <br />7756 <br />7754 <br />7752 <br />J <br />f 7750 <br />z <br />° 7748 <br />J7746 <br />w <br />7744 <br />7742 <br />7740 <br />2 EACH, 4' PERFORATIONS <br />PRIMARY DISCHARGE <br />EMERGENCY SPILLWAY <br />DESCRIPTION <br />DIMENSION (FT) <br />-TOP WIDTH <br />23 <br />BOTTOM WIDTH <br />19 <br />SIDE SLOPES <br />1 2:1 2:1 <br />STAGE STORAGE CURVE <br />SECTI ❑N 16 POND <br />0.00 <br />2.00 4.00 6.00 <br />ACCUMULATIVE STORAGE (ac -ft) <br />— CUT OFF COLLARS - - -_i� <br />8% Slope <br />12fCMP <br />I 12' - --� <br />PROFESSIONAL ENGINEERS CERTIFICATION <br />I, STEPHEN R. HINKEMEYER, being a <br />Registered Professional Engineer in <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and is true and <br />correct to the best of my knowledge <br />and information relying on <br />information .supplied by experts <br />identified in section 2 -03.3 of the <br />Colowyo Coal Company L.P. 1997 Feimit <br />EMBANKMENT <br />Y INVERT (7754.5) <br />2.9) <br />EMERGENCY SPILLWAY <br />NO SCALE <br />Permit Number #: C- 1981 -019 <br />Class: Permit <br />Section /Exhibit : 7 voG � ----------- <br />RECEIVED <br />APR 2 7 1998 <br />Division of Minerals & Geology <br />SECTION 16 POND 009 <br />PROPOSED PLAN <br />SCALE: 1' = 20' <br />DATE: </22/98 <br />- Kenn(-COtt DRWG. BY: _jF m <br />Energy APPROVED BY <br />Colowyo Coal Cornpony L.P. DRWG NO. <br />REVISION DATE HK <br />1 I I 1 <br />- -I <br />T❑P ❑ <br />(7756. <br />PRIMA <br />Y SPILLWAY <br />INVERT (77 <br />I <br />I <br />I <br />I <br />GATE <br />VALVE IN V <br />jII <br />__RT (7743.7), <br />1 <br />0.00 <br />2.00 4.00 6.00 <br />ACCUMULATIVE STORAGE (ac -ft) <br />— CUT OFF COLLARS - - -_i� <br />8% Slope <br />12fCMP <br />I 12' - --� <br />PROFESSIONAL ENGINEERS CERTIFICATION <br />I, STEPHEN R. HINKEMEYER, being a <br />Registered Professional Engineer in <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and is true and <br />correct to the best of my knowledge <br />and information relying on <br />information .supplied by experts <br />identified in section 2 -03.3 of the <br />Colowyo Coal Company L.P. 1997 Feimit <br />EMBANKMENT <br />Y INVERT (7754.5) <br />2.9) <br />EMERGENCY SPILLWAY <br />NO SCALE <br />Permit Number #: C- 1981 -019 <br />Class: Permit <br />Section /Exhibit : 7 voG � ----------- <br />RECEIVED <br />APR 2 7 1998 <br />Division of Minerals & Geology <br />SECTION 16 POND 009 <br />PROPOSED PLAN <br />SCALE: 1' = 20' <br />DATE: </22/98 <br />- Kenn(-COtt DRWG. BY: _jF m <br />Energy APPROVED BY <br />Colowyo Coal Cornpony L.P. DRWG NO. <br />REVISION DATE HK <br />1 I I 1 <br />