2013-10-08_REVISION - M2012032 (19)

Home Browse Search

Collection #1 Initial See Map C -3 for ditch path See Map G -1 B for ditch path Legend 10700 10700 Grades Collection #5 Segment 1 Segment 2 Segment 2 (rec) Ditch grade Segment 1: 17.2% SWB -8 egment 1 10650 SWB -6 Initial - Segment 3 segment 2 - segment a Segment 2: 0.5% ° 10650 Segment 3: 7.5% Segment 4: 0.5% 10700 2.41 cfs 10700 0.50ft. Freeboard 0.75! I O.zS ft. i 1.0 ft. F aboard Segment 1 �- ` 2.00 ft. - -'- 1,00ft. Freeboard 5.61 cfs 10600 10600 10650 Grades 10650 Triangular Channel 9 � / o. ft. Trapezoidal Channel 0 0 0 o to o 0 0 0 0 0 0 0 0 to 0 rn o to o to o 0 o O O o 0 0 0 to o V) o to o In 0 0 0 o to o to Segment 1: 2.2% o Segment 2 Equal Side Slopes Channel Lining: Pre mine waste rock Equal Side Slopes Channel Lining: Grouted riprap Collection A 0 0 .+- N N M M It v � 0 0 0 1` o 0 rn M o 0 10600 Segment 2: 84% 10600 O O O O O O to O to O to O O O 0 0 O O O to O to O to O to 36" CMP (half) SWB -6A Collection ditch A will be installed at a 1.0% N N M M d v to 0 0 0 4.36 CFS slope down it's entire course. Segment 1 Segment 2 Segment Segment Segment 1 � °� _ � 050a Freeboard - - -- Min. toner. depth = 1.0 ft.� - _ 10 T Diversion #1 Initial See Map C -3 for ditch path �� I - �O.SOft. Freeboard r0.50ft. Freeboard �,50ft. Freeboard 1.0 ft.Feeboard 2.50 T 1 - -5ft -�J °ft .356 �- T- 2.50 2.50 - - Triangular Channel Triangular Channel Triangular Channel Triangular Channel Unequal Side Slopes Channel Lining: Compacted tailings (n= 0.020 - 0.025) Flow Capacity Equal Side Slopes Equal Side Slopes Equal Side Slopes Grades SWB- 1lnitial Vt Capacity fps i e Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock 10700 Segment 1: 2.0% 40.51 cfs 10700 36" CMP (half) - _.. - egment 1 _ __...._ 10650 -� 10650 Collection B 0 o O O 0 0 0 to 0 to o to 0 0 0 0 0 0 0 0 0 rrg 0 to O to to 0 0 0 0 0 0 to O to + + + + + + 0 O r r N N + + + + + + + + co co a It to un to W + + + + I` ti 0 Co SWB -6B Collection ditch B will be installed at a 1.0% 6.40 CFS slope down it's entire course. -._, 0.50ft. Freeboard ; � -r bd.. p Segment 1 �_ 050 ft. Freeboard -- �t ,° T Collection #1 Final See Map G -1 B for ditch path 15 ft 1 1 Min.const.depth= ,.25ft�i 3 3 3 4.° ft.� Triangular Channel Unequal Side Slopes 10750 10750 Trapezoidal Channel ; = Riprap distribution: Filter distribution: Base distribution: Riprap gradation determined Channel Lining: Compacted tailings (n= 0.020 - 0.025) Flow capacity =- 10.50cfa Velocity Capacity 2.87 fps Equal Side Slopes eopoeo D,Da = 2.0 ft. rock Diw = 12 in. rock D D. = 1.7 ft. rock D. = 10 in. rock D,. = 4 in. rock using CSU methodology 9 9Y D. = 3.4 in. rock 10700 egment, 10700 Channel Lining: 12 inch (D.) Rock Rip -Rap ° 3> D = m 1.0 ft. rock D. = 6 in. rock (Simons and Senturk) = D. 2 in. rock _ See the CSU Procedure Designs in Appendix 6 for more information ' ^'`a °save, D,s = 0.42 ft. rock D,s = 2.5 in, rock D,, = 0.8 in. rock 10650 Grades Segment 2 Segment 3 -__ -- -- - -- Segment 4 10650 s Da = 0.1 ft. rock Do = 0.6 in, rock Do = 0.2 In. rock Segment 1: 28.6% Segment 2 &3: 0.5% SWB -6A + SWB -6C SWB -6A + SWB -6C + SWB -6D I Segment 4: 7.5% 4.36 + 2.06 = 6.42 CFS 4.36 + 2.06 + 3.59 = 10.01 CFS -- J 10600 10600 0 0 0 0 0 to + + + + O O r r 0 0 0 0 0 0 0 O 04 N M M V V LO LO + + + + + + + + N N M M er � 1n to o 0 0 0 0 0 0 0 to 0 � o to 0) to + + + + + + + + O (D � � W Co O O 0 0 0 0 0 CD + + + + O O r r See Map G -1 B for ditch path Typical Grouted Channel r r r r Diversion #1 Final (longintudinalview) Segment 1 Segment 1 (rec) Segment 2 Segment 3 Segment 4 10850 ,oaSQ 4 in. HDPE drain pipes; located every 30 ft. along channel 1. .25 ft. 1 1�� t. Freeboard _ 1.25 ft�° Freeboard __O. 1. . Freeboard OOft reeboard 50111. Freeboard 1 1 .0 75 ft. 10800 ? ~ �1 0800 1.75ft. Freeboard 0.50 ft. L Grou lFeeboard 2 bO ft 25U � z5u Trapezoidal Channel / i 156 � tiNJ�' -'V 3.50 ft. nted channel Equal Side Slopes 10750 32.fi cfs 10750 Trapezoidal Channel Pertorated end Channel Lining: Grouted riprap Triangular Channel Triangular Channel Triangular Channel Equal Side Slopes Equal Side Slopes Channel Lining: Grouted riprap 36" CMP (half) Equal Side Slopes Equal Side Slopes Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock 10700 $egmenl1 10700 6 inches of pipe into the underlying Grades ground; 3 inches protruding from 10650 Segment 1: 27.2% 10650 channel bottom 10600 10550 �1 10600 10550 See Map C -3 for ditch path Collection #2 Initial Grades 10700 Segment 1: 2.0% SWB -6 Initial 10700 10500 00 00 00 00 00 00 10500 0o 0o 5.61 cfs ton ton ton ton too 00 too ton t0n ttoo O O r r N N M M V 7 to to to (O I` 1`1 to 00 10650 10650 0 0 0 0 to o 0 0 0 0 0 0 0 0 to O to 0 to 0 to O 0 0 0 0 0 to 0 to O to + + + O O r + + + + + + + + r N N M M le v N + + + + + to W W � P_ Diversion #1 B Final p See Ma G -1 B for ditch path Segment 1 Segment 2 Segment 3 "" . t � 1.00ft. Freeboard 1.00 t[ F 1.00ft. Freeboard Cott. 1. _ 11-'-0' 5 ft Freeboard 1 10850 10850 10850 1 -�_' 1 -� 1. ft. F o eb and � s 5 -� T ; , , Triangular Channel 0. ft. - Triangular Channel Triangular Channel 10800 segment 1 10800 Equal Side Slopes Equal Side Slopes Channel Lining: Native site material 48" CMP (half) Channel Lining: Native site material g Channel Lining: Pre mine waste rock 10750 Grades 10750 Segment 1:5.0% Segment Segment 3_ ____- Segment Segment 2 (rec) d 10700 Segment 2: 45% 10700 Segment 3: 5.0% r 1.251t. Freeboard 1 0.25 ft. 1 / 1 10650 10650 4.00 ft. 0 0 0 0 0 0 O O to O to O to o 0 0 0 0 0 0 to 0 to 0 to O Trapezoidal Channel 0 0 ++- N N M M v v 0 U (+o Equal Side Slopes Channel Lining: Grouted riprap Segment 1 Segment See Map G -1 B for ditch path See Map G -1 B for ditch path Collection #2 Final 2 Diversion #2 Segment 1 r1.00ft. Freeboard 10.50ft. Freeboard ft 1.5 ft. board 1J =5' -1' T 10750 10750 b� 1.75ft. T \ 0 -r- o• ft. Triangular Channel g Equal Side Slopes 10700 - - Segment 1- __ -- _ Triangular Channel - 10700 Equal Side Slopes Channel Lining: 10750 SWB -6B +SWB -6E Grades 10750 Channel Lining: Pre mine waste rock Grades _ Native site material 6.40 + 1.62 = 8.02 cfs Segment 1: 30.3% 48" CMP (half) 10650 Segment 1: 1.0% 10650 �� 10700 Segment, Segment 2: 7.7% 10700 Segment 1 (rec) 0 0 0 0 0 0 C) to o to o to + + + + + + 0 0 0 0 0 0 o to o to o to + + + + + + O 0 o to + + + O O r N N M M 'y In O O 10650 segment 10650 O O O O 0 L0 a O O 0 Lo Freeboard O O N N 1 10•50�1.25ft. 2.00 ft. I T Trapezoidal Channel Equal Side Slopes Channel Lining: Grouted riprap Collection #3 See Map G -1 B for ditch path See Map G -1 B for ditch path 10750 10750 Diversion #3 Diversion #3B SWB -7A +SWB -7B +SWB -7C SWB -7A 2.17 + 2.60 + 4.15 = 8.92 cfs 10700 2.17 cfs �-- 10700 10750 Grades Connection of HDPE drain pipe 10750 segment 1 Sement 1:1.2 ° (3 ' 10650 - -- segment 10650 10700 Segment 2: 5.0% ' " 10700 1 0700 -.,---Segment 2 - -��I - - Segment Grades - egmentl-- - -. -_- Grades �__� _ -`- - _ - - -� 10600 o Segment 1:15.5 /o SWB-7A + SWB-7B 10600 10650 10650 Segment 1: 4.5% Segment 2: 2.0% 2.17 + 2.60 = 4.77 cfs 0o ton 00 ton 00 ton 00 ton 0o t0n 00 too CD ton 00 ton 00 too 00 Segment 3:6.1% + + + + + + + + 0 0 N N M M + + + + + + + It V to to W t0 Ill- + + + + h 00 00 M 10650 10550 10550 O o 0 0 O to 0 to 0 0 0 0 0 O 0 0 0 0 to O to O to 0 to o O o 0 O O o to 0 to O to 0 O O r r N N M M cl' � to to O tD n 1-- W rip O 0 LO Segment 1 Segment 2 Segment 3 Segment 1 Segment 2 0 0 0.50 t� 1.00ft. Freeboard ``�� 1 / 1 -r, 75T 0.50ft. Freeboard 0.50ft. Freeboard _ _ ! �5T 1j 11 1 F.�6�� -236 T 4�\ 2.0 ft. ' 1.0 eeboard II ((� It.. FY v++ l _ I 11� '' S6 T . f Triangular Channel I� Triangular Channel eeboard � \ j 1� ft O.SOft. Freeboard b �/ o' ft. „` I 0.50 OC m tr 200 V U U Triangular Channel Equal Side Slopes Equal Side Slopes t ,L Equal Side Slopes Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock Channel Lining: Pre mine waste rock 60" CMP (half) r, 60" (half) DURANGO LSAFEFIY DIVISION OF RECLAMATION, Triangular Channel IN AND Equal Side Slopes Channel Lining: Native site material See Map G -1 B for ditch path Segment 1 (rec) Segment 2 (rec) Collection #4 Segment 1 SCANNED 10700 4.79 cfs 1 0700 0.50ft. Freeboard z5 r0.50ft. Freeboard � ft-I 11� � 11' 75ft. Freeboard OO ft. r ,ut y';<' � a 0 `1250 755 1� 5 �- °u 1.50 1.50 sa w{ o • yi r 10650 segment1 10650 �� - 4.00ft.- -{ I 400 ft. d Grades Triangular Channel Trapezoidal Channel Trapezoidal Channel a gC' 20'36 C j,j Segment 1:1.5% 10600 10600 Equal Side Slopes Equal Side Slopes Equal Side Slopes °o 0on 00 0 Channel Lining: Pre mine waste rock Channel Lining: Grouted riprap Channel Lining: Grouted riprap ` ^ra, ton o t + + + + O O r r too 0 + + + N N M W13 l 'L - c 3 . Z- NOTES: Ditch locations can be seen on Maps C -1, C -2, C -3, G -1, and G -1 B. Figures G -4 and G -4 show culvert and ditch lining standards for the Revenue Mine. Table 6 -1 contains all of the hydraulic calculations for the channel linings shown on the ditch segments REVISIONS BY DATE DES: BL on this map. DATE 09/25/2013 , Greg Map G -5: Ditch Designs TR -01 Facility Changes, Revise Mine WaterDrainalgePlan GL 9/25/13 DRN:BL Lewicki And Associates Revenue Mine CHK:GL APPD: GL SCALE 11541 Warrington Court Phone (303)- 346 -5196 Parker, CO USA 80138 Star Mine Operations AS SHOWN E -Mail - info @lewicki.biz