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ELEVATIONS EMERGENCY SPILLWAY <br /> DESCRIPTION ELEVATION FT DESCRIPTION DIMENSION FT <br /> m m TOP OF EMBANKMENT 7160.0' TOP WIDTH 21 <br /> w <br /> N c EMERGENCY SPILL. INVERT 7158.0' 1 BOTTOM WIDTH 15 <br /> 0 o PRIMARY SPILL. INVERT 7155.8' SIDE SLOPES 1.5:1 <br /> \ PERFORATIONS INVERT 7154.0' <br /> GATE VALVE INVERT(SEALED) 7150.7' <br /> 7145 <br /> PRIMARY DISCHARGE INVERT 7124.6' <br /> 7150 <br /> STAGE STORAGE-AREA CURVES <br /> 7160 WORK AREA POND <br /> 7160 TOPOFSTRUCTURE <br /> (7160,00) <br /> N 4 7155 �•--�" `/ N 349,500 7158 EMERGENCY SPILL AY(7158.00) <br /> 7,50 7156 <br /> REVCI L SPILLW Y(7155.80) <br /> 7154 pERFO TION(S)IN ERT(7154. ) <br /> 7152 <br /> 7150 GATE VALVE INVE SEALED( 150.70) <br /> 7148 <br /> 7146 <br /> j 0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 30.00 <br /> ACCUMULATIVE STORAGE (ac-ft) <br /> STORAGE VOLUME COMPUTATIONS <br /> WORK AREA POND <br /> PRIMARY SPILLWAY <br /> - ELEV. WIDTH LENGTH AREA AVG. INTERVAL STORAGE ACC. STAGE <br /> - _ In) (ft) (it) X AREA (it) (aft) STORAGE INTERVAL <br /> 7146.00 N/A N/A 0.0775 <br /> e7147.00 N/A N/A 0,6170 0.3473 1.00 0.3473 0.3473 1.00 <br /> 60 .8692 0.7431 1.00 0.7431 1.0904 2.00 <br /> 7149.00 <br /> PRIMARY DISCHARGE �, j 714 N/A N/A 0.00 N/A N/A 0,9961.9961 0,9326 1100 0.9326 2.0230 3.00 <br /> 7150.00 N/A N/A 1.9228 1.4594 1.00 1.4594 3.4824 4.00 <br /> 1.9734 0.70 1,3814 4M38 4.70 <br /> 7I51.00. 0 N/A N/A 2.0674 4,�g9 715 2,0457 0.30 0.6137 5.4775 5.00 <br /> N/A N/A 2.0 74 <br /> 7152.00 N/A N/A 2.1932 2.1303 1.00 2,1303 7.6078 6,00 <br /> 7153.00 N/A N/A 2.3664 2.2798 1.00 22798 9.8877 7.00 <br /> 7154.00 N/A N/A 2.5183 2.4424 1.00 2.4424 12,3300 8.00 <br /> ^e 7153.00 N/A N/A 2.6153 2.5668 1.00 2.5668 14.8968 9.00 <br /> 7155.80 N/A N/A 2,6958 2.6555 0.80 2.1244 17,0213 9.80 <br /> 7156.00 N/A N/A 2,7160 2.7039 0,20 0.5412 17,5624 10,00 <br /> 7157.00 N/A N/A 2.8365 2.7762 1.00 2.7762 20.3386 11.00 <br /> 7158.00 N/A N/A 2.9726 2,9045 1.00 2.9045 23.2431 12.00 <br /> 7159.00 N/A N/A 3,1129 3.0427 1.00 3.0427 26.2839 13.00 <br /> 7160.00 N/A N/A 3.2619 3,1874 1.00 3,1874 29.4733 14.00 <br /> \ b <br /> 4 12n <br /> C.M.P. <br /> RISER WITH TRASH RACK <br /> 15' -� <br /> IN oP <br /> \ \ 3 EACH,4"PERFORATIONS --------- I I � I EMERGENCY SPILLWAY 21 <br /> 1.5%SLOPE <br /> 12" C.M.P. <br /> NO SCALE r'-^"YED <br /> m m JUL 01 2015 <br /> L4 w N ENGINEERS CERTIFICATION Division of Recla <br /> patinn <br /> N o I, Steven D. Weist, hereby certify that this u n9 a ebr <br /> o me and is true <br /> and correct to the best oma has ben reviewed f my knowledge and WORK AREA POND 002 <br /> information, relying on information supplied <br /> by experts employed by Colowyo Coal A IJ BUILT <br /> Company or qualified consultants working <br /> for Colowyo Coal Company, and that I am a <br /> Professional Engineer licensed in Colorado as SCALE: 111=40' <br /> required by the provisions of C.R.S. DATE: 5/07/15 <br /> 12-25-101 through C.R.S. 12-25-119. IN <br /> WITNESS WHEREOF, I have hereunder set DRWG.BY: 9DW <br /> my hand and affixed my seal. COAL APPROVED BY: snw <br /> �t""` COMPANY p0� <br /> - Raarce eaonucxiol+4"a l� DRWG NO. <br /> Colowyo Coal Company <br /> 5731 State Highway 13 <br /> Meeker,Colorado 81641 <br /> cE,�V� No. REVISION DATE BY CHK <br /> S <br /> �. J.P.G J.P,G <br /> Il .�q GG �: l AS-BUILT 9/2t/99 <br /> +t;x,� �IV3 y� S.R.H. S.R.H. <br /> 0 40 80 120 - $"� Z � -140 NOTED GATE VALVE AS SEALED 224/15 TONY LES <br /> +I haeeeeeee�® <br /> SdONA1 0 <br /> Replaced discharge pipe through pond embankment <br /> Contour Interval=1FT 2 as-built surface and primary spillway 5/07/15 NS SDW <br /> �A'Q--1 LA 0 'B-1 -j -05 <br />