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~<ufa DATE: I. _i-rtar---EE: FILE: HONP4 Revised March 14, 1988 <br />WALDEN COAL. COMPANY <br />RECLAMATION bOfJPING COSTS <br />6ACk:FILLING COSTS <br /> Operating Assumptions <br /> Worst- case: Current <br /> East Uump €< St.age 1 complete <br /> bacl~:fi]lina costs are based on a Greal~a own <br /> between tY~~e closest. Y~~alf of tree du.m^ whir=h <br /> will be dozed and the bac4~. which will. be <br /> removed with scr goers. <br /> Epuioment <br /> Gat P9L. Dozier with Universal F+l.atle and Ric!per <br /> Cat t:,.._7 SCI' a^P.r (DLISY7-pUi 1 ) <br /> Volr.rme(LCY) 450,ir~iCr LCY' <br /> rorn tY~~e I-Inrseshne Uurc~p <br /> (assurnE~ ~'• swell factor) <br /> Average Distance <br /> Dozer =irir feet <br /> Sn~aner ~.40ir feet <br /> F'i.t. ~~ize _~. iir acres <br /> Oyer-ati.np Costs <br /> F'rodi.+ct~.on 55+ LCY/hour <br /> Dozer <br /> (p. 42. Caterpillar Performance Handboar:: Ed.l') <br />• ,lob Condition Correction Factors <br /> ^.44 Cat Performance Handboor:: <br /> Operator 0.75 (average) <br /> Slot Pozino 1.2Cr <br /> Job Effir_iencv O.Er4 (50 minil-ir-) <br /> Grade 1.iS' (avg. 15~. dpwn grade) <br /> Weight 1. ~r0 <br /> Corrected Hourly F'rnduction 495 LCl'/hour <br /> Scraper 250 LCYihour <br /> 80 loadsidav <br /> ~'S LCYi load <br /> 8 hours:day <br /> Hours Fepuir-ed <br /> Dozer 454. 7C hears <br /> Scraper 400.OCr hours <br /> Cost per Hour <br /> Dozer <br /> Rental. 484.12 /hour <br /> Operation 445.66 /hour <br /> Operator 420.26 /hour <br /> TOTAL DOZER 4150.~r4 /hour <br /> Scraper <br /> Rental 497.71 /hour <br /> Uoeration 47ii,27 !hour <br /> Operator :£20.44 /hour <br /> <br /> TOTAL SCRAPER 4188.42 /hour <br />Total Cost (hour=_; ~ w;hnuri <br />nnz er- :vbs. ~_, . ~F <br />H-1 <br />