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PRIMARY SPILLWAY <br /> Outlet Structure <br /> 6" Gate valve with control rod <br /> In Line Plastic liner with <br /> Electronic Flow 2"-12" Rip-Rap Rock <br /> Meter installed <br /> in Primary CMP <br /> Barrel & riser joint incased in <br /> concrete. Metal trash rack& <br /> xT, ,.x anti-vortex on top of riser. <br /> FL 1� °-R=-1s: .' AP. C-2010-089 Stage Storage Curve <br /> POND NHN-002 <br /> Emergency <br /> I� f, TOP OF STRUCTURE(5685.0) <br /> Discharge Pipe i 5685 <br /> 18"Dia CMP X 4 <br /> 372ft @ 1.28% i � <br /> f 5684 <br /> t 6" Gate Valve with control rod <br /> It 5683 EN ERG SPI LW N(5 183.0) <br /> Primary Discharge. II <br /> Pipe 6t <br /> 18"Dia CMP X II 1 5682 PRI CIP SILL AY 6819) <br /> 343ft @ 1.10% 16 Top of Structure STRUCTURE ELEV. _J 5681 <br /> g) Elev=5685' <br /> Rt TOP OF PRIMARY RISER 5,681.9 g <br /> IA --- _ __.__. FLOW LINE OF 18" BARREL AT RISER 5,678.0 r 5680 <br /> t FLOW LINE OF WEE 5679 <br /> P HOLES 5,678.3 m <br /> Ar)tl-Seep Collars <br /> I 6 Ft X 6 Ft NOTES: <br /> -WEEP HOLES:26'OATE VALVES WITH CONTROL RODS EXTEND TO CREST OF EMBANKMENT W 2 VA VE Hot 78 ES( ) <br /> 5675 <br /> -TOP OF RISER EQUIPPED WITH TRASH RACK&ANTI-VORTEX <br /> Primary Spillway t -BARREL&RISER:18"DIAMETER OORRIGATED METAL PIPE(CMP) <br /> �1 5677 <br /> 1 0 4 8 12 5676 <br /> A5675 SE IM TL L 567 .3) <br /> i <br /> 5674 <br /> 6 ' 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 <br /> Emergency EMERGENC PILLWAY <br /> Accumulative Storage (Acre Ft) <br /> - Spillway <br /> Channel <br /> r <br /> Storage volume computations <br /> POND NHN-002 <br /> 18" Emergency Spillway CMP Pipe ELEV. Width LENGTH AREA AVG. INTERVAL STORAGE ACC. STAGE <br /> (ft) (ft) (ft) (ac) AREA (ft) (a-ft) STORAGE INTERVAL <br /> N N N b NIN Elev. = 5680.5' (ac) (ao-ft) (ft) <br /> { U 5685 5674.0 N/A N/A 1.24 <br /> -\ 5675.0 N/A N/A 1.51 1.56 1.8 1.29 2.63 1.1.8 <br /> \VI 5675.8 N/A NIA 1.61 1.62 0.2 0.26 2.89 2D <br /> ^\ 5676.0 N/A N/A 1.63 1.62 0.2 1.67 2.56 3.0 <br /> `S6g4 1.69 1.0 1.67 4.56 3.0 <br /> 5677.0 N/A N/A 1.76 <br /> 5678D N/A N/A 1.88 1.82 1.0 1.80 6.36 4.0 <br /> Inlet.Structure SSB3 568 .0 N/A N/A 2.12 2.06 1.0 2.04 031 60 <br /> I 5610.0 N/A N/A 2.24 2.18 1.0 2.15 12A6 7.0 <br /> Plastic Liner <br /> Tr 568 .0 N/A N/A 2. <br /> �y 1v 5682.0 N/A N/A 2.35 229 0.1 2.21 14.74 8.0 <br /> II 5682.0 N/A N/A 2.36 2.36 0.1 0.21 14.74 8.0 <br /> 6' Dia. Drop Inlet 5683.0 N!A N/A 2.50 2.57 1.0 2.55 17.69 10.0 <br /> 9.0 <br /> + 5684.0 N/A N/A 2.65 2 75 1.0 2.69 22.38 111.0 <br /> Elev. = 5682.9 5685.0 N/A NIA 2.86 <br /> I I W <br /> GABION BASKET Emergency Spillway - open channel in native fill <br /> E <br /> JI 8.1' wide with 6' diameter concrete drop inlet <br /> i I 0 10 20 30 <br /> CONTOUR INTERVAL i FT" S <br /> JIM <br /> SURVEYED TOPOGRAPHY - <br /> l. <br /> I LEGEND <br /> CROSSiiiiiiiiiiiSECTIONS, <br /> � PERMIT BOUNDARYt� + LJ�I <br /> of RedamagoM <br /> I1 pivis �ir19&S <br /> j <br /> �� Mining&Safety <br /> 1 ' 1 A Ar �Bil Division of Reclamation,, <br /> 5770 5710 5710 ENGINEER'S CERTIFICATION <br /> g�g 5710 De p00 L►CFy 1, Jason S. Storey, hereby certify that this map has been <br /> H 201,T)N o\ `s sro;rFp reviewed by me and is true and correct to the best of my <br /> o;Go� pt knowledge and information, relying on information <br /> i 5700 5700 5700 5700 �� supplied by experts employed by New Horizon Mine and <br /> / ORIGINAL GROUND 48092 that I am a Professional Engineer licensed in Colorado <br /> / ORIGINAL GROUND Q': 'T as required by the provisions of C.R.S. 12.25-101 <br /> 5690 5690 5690 5690 �p°•,,��••.•.•�,`����� through C.R.S. 12-25-119. IN WITNESS WHEREOF I have <br /> Inlet Structure <br /> + Plastic Liner r SgIOC ` 1� hereunder set my hand and affixed my seal. <br /> +++++ `' <br /> 5680 5680 5680 a °' 5880S. <br /> +++'++++++ BERM f� ' J .ENo.ST092 TR45 <br /> ++++++++++ 5670 5670 GL Z4 '?f1/7 Approved - 5/12I2017 <br /> + + + 5670 <br /> +!§++++++ 5670 <br /> DATE <br /> 0+00 2+00 4+00 0+00 2+00 4+00 <br /> POND NHN-002 AS-BUILT <br /> Cr SCALE. AS SHOWN <br /> r ORIGINAL DATE. 6125115 <br /> 5700 <br /> 5700 7-�.�1�2 DWG. BY- WFA <br /> APPROVED BY. R. GUBKA <br /> ORIGINAL GROUND �`� yORIZO� <br /> 5690 <br /> 5690 NEW HORIZON MINE <br /> ' - Permit C-2010-089 DWG NO. <br /> P.O Box 828,Nucla,CO.81424 <br /> 5680 5680 Map 2.05.3(4)-10 <br /> 5670 5670 No. REVISION DATE BY CHK <br /> 0+00 2+00 4+00 6+00 8+00 10+00 10+50 <br /> TR-10 Pond NHN-002 As-Built 6/25/15 WFA TT <br /> 69 0 60' 120' VERTICAL SCALE: 1" = 20' R-01 U 04112116 TSGT TT <br /> Updated information on Stage Storage Curve <br /> HORIZONTAL SCALE: 1" = 100' for revised SEDCAD model <br /> CONTOUR INTERVAL 2 FT. TR-15 Updated information on Stage Storage Curve 02114117 TSGT TT <br /> SURVEYED TOPOGRAPHY for revised SEDCAD model <br /> FILENAME:Map 2.05.3(4)-10 Pond NHN-002 As-Built.dwg <br />