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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER RIPPING <br /> Task #: 40 Prep. by: ESC Task Fite Name: C017-40 <br /> Date: 03/16/94 Permit #: C-81-017 Mine: Coal Basin Mines <br /> ----------- -------- --------------------------------- <br /> Permit Action: N/A <br /> Task Description: Rip Road A Reduction Area <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat 08L 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 !)§0) <br /> ____ ownersh i p = $52.07 N/A <br /> operating/overhaul - dozer = $43.64 100 <br /> -ripper = 56.13 100 <br /> operator = $21.58 N/A <br /> Total eqpt. unit cost/hr = $123.41 Total fleet cost/hr: $123.41 <br /> --------- --------- <br /> MATERIAL QUANTITIES <br /> Selected method Seizmic <br /> Seismic Load Bank ------------- <br /> method: 10,200.0 BCY Factor : N/A Volume 10,200.0-SCY <br /> Area ---------- ------- ---------- <br /> method: N/A Acres Rip Depth: N/A Volume N/A BCY or CCY <br /> ----------- ------- ----------- <br /> Source of quantity take-off: Division Estimate <br /> -------------------------------------------------- <br /> Source of mat. load factor: Division Estimate <br /> ----------------------------------------------------- <br /> HOURLY PRODUCTION <br /> Seismic Method 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 /> - Hourly 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 /> - Attitude 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 : SO.334 /LCY Total Job Cost: $3,409.59 <br />