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i <br /> EMBANKMENT DETAILS <br /> Scale 1" = 20' <br /> III EMBANKMENT CREST <br /> EL. 7081.0 <br /> / V/ EMERGENCYSPILLWAY <br /> EL. 7075.0 <br /> 075.0 <br /> V O 57 <br /> PRINCIPAL SPILLWAY WITH NCRS ANTI-VORTEX TRASH RACK <br /> EL. 7069.6 <br /> V O O 1 1 2 TWO 3"DIA.PERFORATIONS PER ELEVATION <br /> 3 <br /> O EL. 7064.6 <br /> / O C31 <br /> / Qp 18"WATERMAN C-20 SLIDING GATE VALVE,EL.INVERT 7058.1 <br /> O <br /> RIPRAP PROTECTED <br /> 9"PARSHALL FLUME <br /> EPW�600TTOM <br /> ANTISEEP COLLARS <br /> ON 20 FT CENTERS <br /> I <br /> 8 FT WIDE KEYWAY 6 FT IN DEPTH WITH 1 H:1V SIDES I <br /> FABRIC WRAPPED FILTER <br /> 18"O GALV STEEL CMP.AT 2.0%SLOPE, <br /> / I <br /> nJ <br /> 1oJ O�O <br /> 10�� VO <br /> 10 10�V <br /> Stage Storage Curve <br /> Section 28 Pond <br /> 7081 <br /> T OF STRUCTURE <br /> 7079 7 81.00) <br /> 7077 <br /> 7075 EM GENCY SPILLWA((7075.0)) <br /> 7073 <br /> 7071 <br /> 7069 <br /> w 7067 <br /> 0 0 <br /> o 7065 <br /> �O ERFORA rIONS(7)64.60) <br /> 7063 <br /> \ 7061 <br /> 7059 <br /> 7057 <br /> 1 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 <br /> Accumulative Storage (Acre-Ft) <br /> IStorage Volume Computations <br /> West Taylor Pond <br /> ELEV. Width LENGTH AREA AVG. INTERVAL STORAGE ACC. STAGE <br /> (ft) (ft) (ft) (ac) AREA (ft) (ac ft) STORAGE INTERVAL <br /> (ac) (ac-ft) (ft) <br /> 7057.00 7057.00 7057.00 0.1237 <br /> 7059.00 7059.00 7059.00 0.1873 0.1555 2.00 0.3110 0.3110 2.00 <br /> QQS 7061.00 7061.00 7061.00 0.2461 0.2167 2.00 0.4331 0.7441 4.00 <br /> 1 \ 7063.00 7063.00 7063.00 0.3087 <br /> 0.2774 2.00 0.5545 1.2986 6.00 <br /> QCQ 0.3386 2.00 0.6772 1.9758 8.00 <br /> t Q 7065.00 7065.00 7065.00 0.3685 <br /> _ 7ovQQ �Q� \ 7067.00 7067.00 7067.00 0.4315 0.4660 2.00 0.9313 2.7067 12.00 <br /> o 7069.00 7069.00 7069.00 0.5004 0.4660 2.00 0.9313 3.7067 12.00 <br /> 7069.60 N/A N/A 0.5220 0.5112 0.60 0.3067 4.0134 12.60 <br /> O O 1p15 �\ 7071.00 7071.00 7071.00 0.5724 0.5364 1.40 0.7657 4.7791 14.00 <br /> Oss\ 7073.00 7073.00 7073.00 0.6476 0.6100 2.00 1.2196 5.9987 16.00 <br /> 7075.00 7075.00 7075.00 0.7267 0.6872 2.00 1.3735 7.3723 18.00 <br /> 7077.00 7077.00 7077.00 0.8245 0.7756 2.00 1.5584 8.9306 20.00 <br /> ' \ 7079.00 7079.00 7079.00 0.9096 0.8670 2.00 1.7335 10.6641 22.00 <br /> Oss\ 7081.00 7081.00 7081.00 1.0009 0.9552 2.00 1.9094 12.5736 24.00 <br /> 7065 <br /> 0 <br /> 7069 <br /> 1055 _ ENGINEERS CERTIFICATION Section 28 Pond <br /> I, BRIAN W. COATES, hereby certify that this 1 050 map has been reviewed by me and is true As-Built <br /> and correct to the best of my knowledge and <br /> N information, relying on information supplied SCALE: As Shown <br /> by experts employed by Colowyo Coal n DATE: 1113120 <br /> Company or qualified consultants working lJ <br /> for Colowyo Coal Company, and that I am a DRWG. BY: Ton; <br /> Professional Engineer licensed in Colorado as COAL 2k� APPROVED BY: BWC <br /> required by the provisions of C.R.S. S�F COMPANY <br /> TY'PE:OPLE- 'C1 "\'•�Y�� <br /> 12-25-101 through C.R.S. 12-25-119. IN ___PRODUC 0N DRWG NO. <br /> WITNESS WHEREOF, I have hereunder set <br /> my hand and affixed my seal. Colowyo Coal Company Figure Exh. 7-20A-1 <br /> W C 5731 State Highway 13 <br /> C Meeker,Colorado 81641 <br /> 0 LIEF <br /> •oy•. � No. REVISION DATE BY CHK <br /> • w. C' <br /> 55154 <br /> �O�o 11/16/20! <br /> Scale 111 = 301 <br /> S ��ss/ONAL�G <br /> Contour Interval = 1 Ft. <br />