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III IIIIIIIIIIIII III <br /> <br />lU~d "'~ 1989 <br />Catherine W. Begej <br />State of Colorado <br />Mined Land Reclamation Division <br />215 Centenni N 1 Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Re: Haul Road Stability Requirements (Task 6' 10) <br />The Rockcastle Company-Grassy Gap Mine <br />Dear Ms. Begej, <br />MI!~ED ~ ,;~w <br />P.ECi.r1M~1,•i,~~., ~~,Jic•,r`~~, <br />'fhe cost to haul and place buttress material on the Pit 4 and main <br />haul road based upon the required 3,583 cubic yards. Material for this <br />operation would come from the Explosive Storage area on the Pit 4 haul <br />road and an area between there and the Pit 4 pond where a slope may need <br />to be laid back. <br />1-DBH.pozer @ $51.00 $ 51.00 <br />1-A88B Loader @ $80.00 80.00 <br />3-Hired Trucks @ $50.00 150.00 <br />2-Operators @ $20.26 40.52 <br />1-Foreman @ $25.00 25.00 <br />346.52 <br />10 Min Cycle on tru <br />12 Cy per load <br />50 Minutes per hour <br />3 Trucks 12cy x 5 <br />1000 <br />346.52 ~ $1.93 <br />180 <br />:ks <br />efficiency <br />Loads = 18D cy <br />Hour Hour <br />x 3583 = $6,915.19 <br />If you have any questions please contact me. <br />Very truly yours. <br />i. <br />L_ • <br />Robert Sherman <br />RS/kp <br />