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I• <br />• <br />111 • ~ ~ ~ <br />~ : ~ ~ eT <br />•~ ~ <br />sa <br />~ <br />le <br />~ <br />171 <br />. ~1 <br />.,~. <br />• <br />•. ~• <br />•* <br />~ <br />• ~ <br />~• ~~ ~~ <br />~ <br />~ <br />•~ <br />~ <br />~ <br />~ <br />• •~ <br />~: <br />~ ! <br />_ <br />• ~ <br />•~ ~ <br /> <br />BLUE MOUNTAIN ENERGY, Coel Refuse Pilrs 2.364, Deseratlo Mine, Ratpery <br />ExlaBfq PlDllle, 1 wxtial : 5 hoAZOlAaI <br />Ftle Name: 90875 rood Oendredbteep to iJ ~ t00.s2 <br />tan sewer care: 8!i lnoo4 <br />Analyse McIh00; Magena7am-PACs <br />Sfry surtaca Option: GAA end Radius <br />P.W.P. OPfion: PfezaneMC Iinea with Ru <br />Tensor CHIC OpBOn: Tension Qaok Angle <br />Seismic Caeflicient (none) <br />110 Increase Ne' ht b 100' ~9boe Cn,at eA 210' <br />390 <br />360 ^ < - 1~Wfee Bench ~ 150' <br />it <br />~ 330 ~ ~ f r a*- <br />310 O YMODMH hl it <br />E 2m `~ s` Co91 fte9lse 1 / <br />' <br />1 270 '. 10' Wise Bench ~ 75 <br />;k Unh We1UhLA5.B; F- <br />W <br />zsD eeANwmel Fn k f <br />~ t d <br />` <br />y~ ~ <br />^.~ year <br />W~ <br />z1D ~ i <br />Toe 9 <br />o <br />'~u"% <br />~~ <br />F' <br />~ '' ~ ~ <br />a <br />~ <br />' <br />~'" <br />) ~ <br />t <br />~ <br />~ <br />' <br />, <br />Cl <br />y <br />edmck <br />(Ch <br />.~F <br />W 130 r ~ ~^ 4 UMWeYght~,lt5 t ~ k' y",. p'*",'~~'~yj°`~ d1 °r'"x' ?c' <br />,~"`7P <br />hsalon Ohi `7 ~~'~*~-~,.x~€Y ERf ~ <br />* <br />~ <br />~ <br />T n ~` <br />h <br />0! t30' r-~ t <br />'` *. <br />+ <br />d <br />„~'1 <br />c <br />~ <br />~ <br />1 <br />., <br />~,,.r <br />r C <br />11D k y Y <br />"~ .-ur"-., A.. <br />V~/'m'r' i av ~~ J~r,en ,'§k~'m ~';`~ n..~Pn sffix 7+i'x.- ~ ._^~ <br />90 <br />70 <br /> <br />30 <br />0.00 0.01 0.08 0.12 D.18 0.20 0.21 0]9 0.32 0.36 0.10 O.d1 0.19 0.52 0.56 0.60 0.61 O.6B 0.72 0.78 0.80 0.81 O.BB 0%1 0.98 1.00 1.01 <br />VIEW LOOKING NORTH (x 1000) <br />RECOMMENDED MAXIMUM FINAL REFUSE SLOPE CONFIGURATION <br />MA70MMIlM FII,L HEIGFTf (+ 100') AND FACE STEEPNESS (1:3, vert:hor) <br />The Underlying `Bedrock' has dictated the Refuse Pile Limitations in this and previous studies. Additional Fill Heigh and/or <br />Increased Face Steepening, which is in ezcess of this RECOMMENDED MARIMUM FINAL REFUSE SLOPE <br />CONFIGURATION, should be accomplished ONLY after the `Bedrock' Strength Characteristics are better de5~d for the <br />As-Built conditions and the moistureJ&ce water conditions within the Refuse Pile are better de6~d and can lie modeled <br />Soil Properties used within Slope/W <br />Soil 1 <br />Coal Refuse <br />Soil Model Sheaz/Normal Fn. <br />Unit Weight 95.8 <br />Shear/Normal Fn. # I <br />Piewme[ric Line # 0 <br />Ru 0 <br />Pore-Air Pressure 0 <br />Soi12 <br />Clay Bedrock' (Chen) <br />Soil Model Mohr-Coulomb <br />Unit Weighk 115 <br />Cohesion 0 <br />Phi 26 <br />Piezumefric Line # 0 <br />Ru 0 <br />Pore-Air Pressure 0 <br />GRAND JUNCTION <br />LINCOLN DeVORE, Inc. <br />ceo7eaavrcwr. B7+ca'lseaa- ceorocnara <br />Figare IV <br />Soi13 <br />Soil Model Bedrock <br />Piezometric Line # 0 <br />Ru 0 <br />Pore-Air Pressure 0 <br />Desaedo Coal Refuse Pile Slope ModiScations <br />G]LD k 90875-GJ, August;l 1, 2004 <br />