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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER RIPPING <br /> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA <br /> Task #: 40 Prep. by: SLB Task File Name: C017-40 <br /> Date: 03/16/94 Permit #: C-91-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Rip Road A Reduction Area <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8L Horsepower: 335 <br /> Blade Type: Semi-Universal <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: 1-shank ripper --- <br /> Cost/Hr Breakdown: Utilization % (code Ott)) <br /> ownership = $52.07 N/A <br /> operating/overhaul - dozer = $43.64 100 <br /> -ripper = $6.13 100 <br /> operator = $21.58 N/A <br /> Total eqpt. unit cost/hr = $123.41 Total fleet cost/hr: $123.41 <br /> MATERIAL QUANTITIES <br /> =______=___ Selected method Seizmic <br /> Seismic Load Bank -- <br /> method: 10,200.0 BCY Factor N/A Volume 10,200.0 BCY <br /> Area ------- <br /> method: N/A' Acres Rip Depth: N/A Volume N/A BCY or CCY <br /> Source of quantity take-off: Division Estimate <br /> Source of mat.--load-factom Di-vision Estimate-- -- ------ - - - - - - - -- - - - - - _ - <br /> ------------ <br /> HOURLY PRODUCTION <br /> Seismic Method - Seismic velocity of material: 5,000 feet/sec. <br /> - Unadjusted hourly production: 468.20 BCY or CCY/hr <br /> Area Method - Avg. ripping depth .per pass: N/A feet <br /> - Avg. ripping width per pass: N/A feet <br /> - Avg. ripping length per pass: N/A feet <br /> - Avg. velocity of machine N/A feet/min. <br /> - Avg. machine maneuver time : N/A minutes <br /> - Mourty prod. per unit area : N/A acres/hr <br /> - Unadjusted hourly production: N/A BCY or CCY/hr <br /> Correction Factors - Unadjusted production = 468.20 BCY or CCY/hr <br /> - Site altitude = 10,000 feet <br /> - Altitude adjustment = 0.95 (Cat tbl) <br /> - Job efficiency factor = 0.83 (1sh/day) <br /> - Net correction = 0.79 multiplier <br /> - Adjusted production = 369.18 BCY or CCY/hr <br /> - Fleet production = 369.18 BCY or CCY/hr <br /> JOB COST <br /> Fleet Size : 1 Dozer(s) Total Job Time: 27.63 Hours <br /> Unit Cost : $0.334 /LCY Total Job Cost: $3,409.59 <br />