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140 ---,---,----~---T-------------------------,--- <br />~ ~ R - <br />~ ~ <br />130 -- --~--- - - - -- ; <br />; <br />120 - ------,----- - -- -' ~ -- - <br />110 -----------;-------------- --,~------ - ----------- - -,-------- <br />100 -----------~----~---,------ -_ -. ---;--------. -- -------r---~- ----- <br />90 --j----~----~----1---, -----. ~ ---~---. - - - <br />80 ~--------'----1--- ------ - <br />... <br />v 70 ---T----.---- ---r---;----~- --- --- - - -----;--------~---;------- ~ <br />ea ~ ~ <br />N 60 ---'---~----~--- - - ~-- - --- -- -------- -----------~---•- ----- <br />-~- <br />~ • i I i <br />1 1 i I i <br />I I ~ ~ <br />~ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ l - - G i _ L - _ _ _ _ _ _ _ _ _ _ _ i. i <br />~ ~ ~ ~ ~ , <br />- ~, <br />30 ----.--- ------ "-- - - --- --- ---- - -~---'--- ' -- <br />20 - ~ - - ~ ------ <br />-~ -~- <br />10 - - ---~---~--- ---~- - <br />-- , <br />0 --- r -- - - - '~--- ----------; -- ----- <br />-r-- -r- <br />~ ~ <br />y _ _ ~ - - - t - - - ~ - - - p - _ ~ _ <br />-10 ---~ -- _ -------~---~------- ' - ----- ' - - ------- <br />i ~ ~ i <br />-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 1501 <br />Horizontal Distance (ft) <br />- - -~~ i~,~ ~~,~..~~: ... - - - -Average Slope <br />Parameter Mined <br />Berm width 30 ft <br />Inter bench angle 79 deg <br />Intermediate setback 5 ft <br />Number of benches 3 <br />Bench height 35 ft <br />O~,erall angle 60 deg <br />Angle of repose 35 deg <br />,, 2nd Intermediate 0.4 cu.yd./ft length <br />'~ 1st Intermediate 0.4 cu.yd./ft length <br />~ Main Bench 13.5 cu.yd./ft length <br />v Total 0.4 cu.yd./ft length <br />Holding mass 0.6 ton/ft length <br /> <br />~ Scale No scale Mine Life Extension Slope Design <br />~ Drawn: A. Brown 9-Apr-2008 FIGURE 3 <br />Adrian Brown Drawing: 138521-MLE <br />~a~e~~„~~s~,4~-9 ~,~ SLOPE DESIGN -DRY VOLCANIC ROCK <br />"° "'°Y' °'" "°° °"`"°' °O <br />303~C9tl-9i;tl0 File: D:\1385 cri\5\21m1e\4 <br />