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2011-09-30_PERMIT FILE - C1980007A (9)
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2011-09-30_PERMIT FILE - C1980007A (9)
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Last modified
10/27/2016 1:21:12 PM
Creation date
11/28/2012 10:25:34 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
9/30/2011
Doc Name
Permit Drawings
Section_Exhibit Name
Exhibit 82 Appendix D
Media Type
D
Archive
Yes
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a <br />F <br />ROCK BUTTRESS Q1 <br />AREA OF COLLUVIUM <br />REMOVAL TO BEDROCK <br />UPSTREAM OF BUTTRESS <br />1- <br />FOR PHASE 1 SEE C -04A <br />EXISTING MJR CONTOUR <br />EXISTING MNR CONTOUR <br />EXISTING ROAD <br />— PROPOSED UNDERDRAIN <br />TRENCH CENTERLINE <br />TYPICAL UNDERDRAIN AND SEEPAGE INTERCEPTOR TRENCHES <br />(SHOWN IN THIS AREA AS AN EXAMPLE ONLY) <br />�—� <br />CENTERLINE'OF UNDERDRAIN AT THALWAG <br />45+00 1 SO +OG 1 <br />' 54 +00 <br />-07 COLLUVIUM TO REMAIN /� -' �✓ '.;� �, <br />"IN -PLACE BEYOND PHASE ,l, <br />REFUSE PILE EXPANSION Al <br />(RPE) EAST PILE BOUNDARY <br />1 PLAN: UNDERDRAIN SYSTEM Q <br />o zoo 400 <br />I. I <br />SCALE IN FEET <br />SEEPAGE INTERCEPTOR TRENCH <br />(TYP.). SEE NOTE 1. <br />'~p��'-- 'T-••' "*+� CENTERLINE OF UNDERDRAIN <br />�^ AT THALWAG TYP <br />COLLUVIUM OR <br />BE SURFACE <br />o <br />Z <br />Z <br />°o °oo °0000 1/4 " -6" WITH D50= 3 <br />°oo°oo °o 000.000 FILTER ROCK <br />o 0 203' (MIN.)o o <br />3 DETAIL: SEEPAGE INTERCEPTOR TRENCH <br />NOT TO SCALE <br />NOTE- <br />1. FINAL DIMENSIONS OF THE SEEPAGE INTERCEPTOR <br />TRENCH TO BE DETERMINED BASED ON RATE OF FLOW <br />TO MANAGED. <br />A <br />2 DETAIL: UNDERDRAIN AND SEEPAGE INTERCEPTOR TRENCH <br />NOTES, <br />- NOT TO SCALE <br />1 SEEPAGE INTERCEPTOR TRENCHES SHALL BE INSTALLED <br />0 AS SHOWN AND AS DIRECTED BY OWNER OR ENGINEER. <br />SEE DETAIL 3 AND SHEET C -07A, <br />PRELIMINARY <br />2. FILTER AND DRAINAGE ROCK SHALL BE DURABLE <br />MATERIAL <br />CO��NSTIRJU\CTION <br />NOT F//pO��R <br />// <br />\fIG�11,7 D 07/21/10 <br />1 <br />MRP I <br />PT$ <br />I PBS <br />07/21/11 <br />UNDERDRAIN LAYOUT MODIFICATIONS. <br />1 HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, <br />OR REPORT WAS PREPARED BY ME OR UNDER MY <br />CLIENT <br />ProTect Offices <br />$CO1e <br />AS SHOWN <br />RPE EAST PERMIT DRAWINGS <br />BARR PROJECT N0. <br />DIRECT SUPERVISION AND THAT I AM A DULY <br />BID <br />BARR ENGINEERING CO. <br />Date <br />OT /OS /10 <br />06/26-1003 <br />LICENSED PROFESSIONAL ENGINEER UNDER THE <br />LAWS TE DLDRADO <br />PERMIT <br />1 710 <br />0711 i <br />BA 4700 WEST TH STREET <br />Drawn <br />MTP2 <br />MOUNTAIN COAL COMPANY, <br />WEST ELK MINE <br />CLIENT PROJECT No. <br />SIGNATVRE <br />CONSTRUCTION <br />MINNEAPOLIS, MN. <br />. <br />55435 - 4803 <br />°neaketl <br />PTS <br />SOMERSET, COLORADO <br />UNDERDRAINAGE <br />PRINTED NAME PHILIP B SOLS <br />RELEASED <br />A <br />B <br />C <br />Q <br />'j <br />3 <br />Corporate Heatlquorters Ph 1- 800 -63T -2277 <br />Mlnneapol,s, M,nneeoI. Fox (952) 832 -2601 <br />Despnetl <br />MRp <br />LAYOUT AND DETAILS <br />DWG. No <br />REV N0 <br />NO. <br />BY <br />HK <br />APP. <br />DATE <br />REVISION DESCRIPTION <br />DATE 07/21 /2011 REG. NO 4OB64 <br />TO /FOR <br />DATE RELEASEp <br />Ph- 1- 800 - 632 -2277 ...barroom <br />App—ea <br />PBS <br />C-07 <br />B <br />
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