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r <br /> ---------- ............................................... <br /> 10 <br /> �x <br /> B1 ........... <br /> Op <br /> .............. <br /> 0+40 <br /> � 2x <br /> 0 <br /> xp <br /> O <br /> 00 x �x <br /> 00 <br /> x <br /> cb0 7 <br /> �x x60 <br /> o �� <br /> �x <br /> 7x2p x� <br /> �x <br /> �o <br /> ox <br /> Oo <br /> ox <br /> Ox <br /> 2p <br /> Ox <br /> Op <br /> I <br /> Na �r <br /> i..£..r <br /> A A <br /> Stage Storage Curve <br /> Surface Prior to Pond Construction 5682 lift <br /> Embankment Top TOP OF STRUCTURE <br /> 5681 (5682.00) <br /> Elev. 5682 <br /> 5680 <br /> 29 p• <br /> '7 Pond Bottom 3• 5679 <br /> Elev. 5671 <br /> C/) 5678 <br /> EMERGEN Y SPILLWAY(5678.00) <br /> 0 5677 <br /> 4 <br /> > 5676 <br /> a� <br /> W 5675 <br /> 5674 <br /> B !B 5673 <br /> 5672 <br /> Surface Prior to Pond Construction .Embankment Top <br /> 5671 SEDIMENT STORAGE LEVEL (5671.55) <br /> Elev. 5682 5670 4 -J L <br /> 7'J 3 <br /> 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 <br /> Pond Bottom Accumulative Storage (Acre-Ft) <br /> Elev. 5671 <br /> Storage volume computations <br /> ELEV. AREA AVG. INTERVAL STORAGE ACC. STAGE <br /> (ft) (ac) AREA (ft) (ac-ft) STORAGE INTERVAL <br /> (ac) (ac-ft) (ft) <br /> Emergency Spillway Cross Section - - - - - <br /> 5670.00 0.01 <br /> 5671.00 0.22 0.11 1.00 0.13 0.14 1.00 <br /> ' 5671.55 0.27 0.25 0.55 0.13 0.27 1.55 <br /> 5672.00 0.32 0.27 0.45 0.14 0.41 2.00 <br /> Crest El. 5682.0 5673.00 0.42 0.37 1.00 0.37 0.78 3.00 <br /> 5674.00 0.53 0.47 1.00 0.48 1.26 4.00 5675.00 0.61 <br /> Emergency Spillway Hydraulics 0.57 1.00 0.57 1.83 5.00 <br /> � <br /> ® . °'" 100 Year Event with Full Pond 5676.00 0.68 0.64 1.00 0.64 2.47 6.00 <br /> 5677.00 0.77 0.73 1.00 0.73 3.19 7.00 <br /> Q = 1.49 AW13S112 0.84 1.00 0.84 4.03 8.00 <br /> Q10024 = 27.67 cfs Area = 11.36 sq. t: 5679.00 11.04 0.98 1.00 0.97 5.00 9.00 <br /> Channel El. 5678.0 mannings n = 0.030 Wetted Perimeter = 22.48 ft 5680.00 1.18 1.11 1.00 1.11 6.11 10.00 <br /> Channel Slope = 0.006 ft/ft Hydraulic Radius = 0.505 ft 5681.00 1.31 1.24 1.00 1.24 7.36 11.00 <br /> Side Slope = 3H:1 V Vel. = 2.44 fps <br /> 5682.00 154 1.43 1.00 1.40 8.76 12.00 <br /> Width = 19 ft Flow Depth = 0.55 ft. <br /> , �� <br /> LEGEND edamat�°�, <br /> ;moo P t L /C �i, .,; �� Qf R }J` <br /> e V- ENGINEERS CERTIFICATION <br /> • Tti•'..��-i POND <br /> 0 � 8 AS-BUIL� � � � � 1, Frank Kenneth Ferris, hereby certify that this <br /> T <br /> map has been reviewed by me and is true <br /> and correct to the best of my knowledge and <br /> N <br /> Permit Boundary <br /> - <br /> = <br /> -)o • Cu information, relying on information supplied <br /> �-�` •' � by experts employed by Elk Ridge Mining SCALE. AS SHOWN <br /> Completed Pond Contour '�• �� •��G�`,,�� And Reclamation,A Limited Liability Company, ORIGINAL DATE: 9115116 <br /> ���i1111111100%%'V and that I am a Professional Engineer licensed j DWG. BY. TR - <br /> in Colorado as required by the provisions of <br /> Current TopographyFRANK KENNETH FERRIS tc1 <br /> C.R.S 12-25-101 through C.R.S. 12-25-119. IN APPROVED BY. FF <br /> Buried 18 inch CMP P.E. No. 46342 6 WITNESS WHEREOF, I have hereunder set ��. .S DWG NO. <br /> j <br /> E r 3 d CT Zo my hand and affixed my seal. O R I ZO\ <br /> Road DATE <br /> NEW HORIZON MINE Map 2. 3 -35 <br /> Permit No. C-19 1-8 008 <br /> P.O Box 628,Nucla, CO.81424 <br /> S No. REVISION DATE BY CHK <br /> TR- Pond 018 as-built <br /> 76 t 9/ 5/16ff <br /> 0 30 60 90 <br /> TR-76 <br /> Approved 1/9/17 <br /> Topo:Current Topo outside of construction limits, <br /> FILENAME:Pond 018 as built.dwg with as-built topograph within pond area <br />