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LAA_ <br />u <br />:P <br />' <br />Olr <br />� <br />\ r <br />4 <br />1 <br />` <br />y � <br />( m <br />LI I T +Y <br />ARR AM <br />xM <br />IN- E i MxMJ YAK <br />" CLFV cY6 r.f <br />' <br />4 <br />1 <br />` <br />y � <br />( m <br />STORM <br />ARI <br />IF <br />1 <br />_\ IW'� DRAWING <br />A <br />t I I <br />Pip CID _ t <br />Eli <br />DRAWING NQ C006• <br />w. `.w�[�A.r. <br />�Qr.vA. wt . <br />AAW� <br />FUTURE WASTE ROCK PILE �� M <br />+. <br />WASTE RIO <br />STORAGE Al <br />v \` <br />I II <br />)III \ <br />+... <br />TI .. <br />A <br />I <br />I � xYO ;nx ax <br />EJ NxQK BIK <br />I I <br />II o <br />�1 - <br />:0 <br />E <br />+ C • 1' V <br />O <br />I W <br />I I� <br />! 0 W oL <br />m <br />L7 <br />1 1❑ <br />I Io <br />,x o <br />1 �❑ o <br />+. <br />E EEE .�PIu °- <br />' z 1 ;0 <br />CE <br />E i c <br />V p W Q <br />A uln�o�I'IU ❑ <br />GENERAL NOTES <br />I THE CCY HATE SYSTEM SHOWN HEREIN IS BASED ON THE COLORADO STATE PLANE COORDINATE <br />SYSTEM, ¢NTRAL IONE, WAI WA5 ESTABLISHED AT THE SITE BY ACTH CCLORICO, ANC, IN 974 <br />THRGN 915 All MERRICt SxMYEYS WERE BASED M THE NETWORK ESTABLISHED BY VTN. <br />2. ALL ELVA1I SHCAN HEREIN ARE EITHER ELEVATIONS WHICH WERE SHOWN ON THE MAPPING <br />NWEPAREO BY VTH CIXDRAW, INC IN 1915 OR ARE ELEVATIONS DETERMINED " MERNI AND <br />COMPANY WHICH ARE BASED ON VTN.'S CONTROL NETWORK IWNICN WAS BASED ON U.S G.S <br />ELEVAT ONSI <br />J. A SPOIL !ESi NG PROGRAM WAS CARRIED OUT 91 CHEH A D ASSOCIATES DARING THE SUMMER OF <br />900. THIS REPORT IS AVAILABLE FOR REVIEW 81 THE CONTRACTOR THE pEWATERING CCNTPAP <br />SHALL. SATISFY HIMSELF AS TO THE ACTUAL FIELD CONOPTIONS AND SHALL AGGLI E F11Iy gESNNSIBILItt <br />FOR THE USE AND INTERPRETATION OF THE GOALS INFORMATION CONTAINED IN THE REPORT <br />A. POTENTIAL LANDSLIDE AREA AM rINE$TFGI OF POSSIBLE LANDSLIDE AREAS AT THE SITE WAS <br />CLW[UCTED BY GEO- HYDND, ANC WPM THE SUMMER OF 19Bp THIS REPORT IS AVALI FOR <br />REVIE`A BY THE DEWATERING CONTRACTOR THE CONTRACTOR SXy1 SATISFY MMSELF AS TO THE <br />ACTUAL FIELD CONDITIONS. AND SHALL ASSIAME FULA RESPONSIBILITY FOR THE USE AND INTER <br />NRETAPI OF THE REPORT THE MNME AREA FOR POTEHTIAL LANDSLIDES IS IN THE AREA ABOVE <br />THE PLTURAL BENCH AT ELEVATION EP FEET PLUS OR MINUS. IT SHWA) BE NOTED THAT THE <br />WATER .00NTEN! IN THE SOL IS A PRIMARY FAII IN DETERMINING THE PROBA &UiY OF LAHOSP <br />ACTIVITY SEASONAL MOISTURE VARIATIONS SHALL BE CONSIDERED BEFORE WORKING W THEY AREAS. <br />5 PRIOR T COMMENC'HG WORK ON THE CEWATERING SYSTEM FACILITIES, THE CfRATERING CONTRACTOR <br />SHALL �EPFORM MINE (9) IN PLACE (FIELD) PERMEABILITY TESTS TO DETERMINE IF THE ILLATIONS, <br />SPACING., SLOPES PATTERNS OR ELEVATIONS OF THE HORIZONTAL GRAPHS SHOULD BE MODIFIED FROM <br />THOSE SHOWN ON THE DRAWINGS. THIS WORK SHALL BE SUPERVISED AND OIRECEED BY THE OWNER <br />AND A REMfYNiATIVE FROLI GEO HYDRO CONSULTANTS AT LEAST WE FIELD PERMEABILITY TEST <br />SHALL BE MAN FOR EVERY 200 LINEAR FEET OF ACCESS ROAD WITHIN THE LANDSLIDE BWNOMY <br />A TOTAL OF NNE FIELD PERMEABILITY TESTS WILL BE REWIRED AS A MINIMUM. <br />6 WORP CN FACRITIES WITHIN THE LAMAICE BOUNDARY OTHER THAN THE DEWATERING SYSTEM <br />FACILITIES SHALL NOT BE COMMENCED UNTIL THE DEWATERIM SYSTEM HAS BEEN IN RACE AND <br />OPERAT NG PROPERLY FOR A PP OF AT LEAST 2 MONTHS. <br />THE CBNTRACTOR SHALL CONFINE HIS CONSTRUCTION ACTIVITIES TO THE UNITS SHOWN ON THESE <br />DRAWINGS. HE SHALL NOT ENCROACH ON ANT PROPERTIES OUTSIDE SECTIONS 9 GR 5 AS SHOWN <br />B. THE CONTRACTOR SHALL COORDINATE ALL CONSTRUCTION ACTIVITIES NEAR THE BEAR MINE WITH <br />AN BIL MAR <br />9, THE XNATERING CONTRACTOR SHILL COORDINATE H5 CONSTRUCTION WITH ANY CAP OR <br />PPOPJSED :ANSTRVCTION OFOTHER FACILITIES ASSOCIATED WITH THE MOUNT GUNNSON M I MINE. <br />THIS LINES THE STATE HIGHWAY DEPARTMENT BRIDGE CONTRACTOR, EARTHAP CONTRACTOR. <br />SUBSTATION CONTRACTOR OR ANY OTHER AFFECTED PARTIES <br />O ONLY IN THOSE AREAS DIRECTLY RELATED TO THE CONSTRUCTION OF THESE PROOSEO FACILITIES <br />SHALL :ROUND COVER BE DISTURBED. OAMAGEO OI REMWEO THE CONTRACTOR SHALL LIMIT <br />MS CONSTRUCTION ACTIVITIES TO THEY AREAS AND SHALL HARM M PLANT OR ANIMAL LIFE <br />WTPDE THESE AREAS ALL SUCH DISTURBED AREAS SMALL BE GRADED TO BE FREE DRAINING <br />.0 GNEN A 6 MINIMUM LAYER OF TOPSOIL. ANY OTHER AREAS INADVERTENTLY DAMAGED OR <br />OSTURHED SHALL BE RESTORED IN APPLYING TOPSOIL AM REMEDYING AT THE CONTRACTOR'S <br />EXPENSE <br />11. THIS S PLAN IS TO BE USED FOR GENERAL REFERENCE ONLY FOR SPECIFIC INFORMATION <br />ON ELf /ATgNS, COORDINATES OR FAiILITY LOCATIONS REFER TO THE APPROPRIATE DRAWINGS <br />AS INDCATED <br />LEGEND <br />0 SURVEY CONTROL POINTS <br />0 TEST NINES <br />0 ` GROUND WATER MONITORS IPIEIDMETERSI <br />F \ \ WASTE ROCK PILE BOUNDARY <br />LANDSLIDE AREA BWNOANY <br />OAF MOUNT 'GUNNISON <br />•` GUNNISON COUNTY, COLORADO PROPOSED FACILITIES <br />DsF �•`11500',xAR <br />MERRICK AND ARCO Coal Compan SITE PLAN <br />DENVER. COLORADO a.INrr <br />DAF ?O;coL °� PROAECTWEK3 -D516R REFERENCE SHEET <br />/9 /BI SUBMITTED <br />APPROVED <br />IIIIIIIVIIIVIIIIIIIIVIIIIIIII )III )III <br />SCALE <br />200 <br />PROJECT MO. <br />MG -02 -06 <br />DRAWING NO. REV POE <br />C -0D2 2 <br />EXHIBIT A <br />