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.Colorado Division of Minerals end Geology • <br />ESTIMATING FORM - BULLDOZER RIPPING <br />___________________________________ <br />___________________________________ <br />Task #: 1 Prep. by: JD Tesk File Name: M038-1 <br />Date: 08/28/95 Permit #: M-95-038 Mine: Spor Pit <br />Permit Action: Final Reclamation <br />Task Description: Rip Disturbed Aree <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat D7G Horsepower: 200 <br />Blade Type: STRAIGHT ---------- <br />Attachment #1: BOPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ri pper --------- <br />Cost/Hr Breakdown: Utilization X (code Ot0) <br />----------------- ownership = (34.16 N/A <br />operating/overhaul - dozer = f34.10 100 <br />-ripper = f4.64 100 <br />operator = 522.95 N/A <br />Total egpt. unit cost/hr = 595.84 <br />_____-___ Total fleet cost/hr: f95.E4 <br />_________ <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Volume N/A BCY <br />Area °--------- ------- ---------__ <br />method: 8.00 Acres Rip Depth: 1.00 Volume 12,907 BCY or CCY <br />Source of quantity take-off: Calculation <br />------------------ <br />----------------------- <br />---------- <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Seismic velocity of material: <br />N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg, ripping depth per pass: 1.00 feet <br />----------- - Avg, ripping width per pass: 6.50 feet <br />- Avg. ripping length per pass: 400.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.747 acres/hr <br />- Unadjusted hourly production: 1,204.84 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 1,204.84 BCY or CCY/hr <br />------------------ -Site altitude = 7,340 feet <br />- Altitude adjustment = 1.00 (Cat tbl) <br />- Job efficiency factor = 0.83 (1sh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production 1000.02 BCY or CCY/hr <br />- Fleet production = 1000.02 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Job Time: 12.91 Hours <br />Unit Cost 50.096 /LCY Total Job Cost: 51,236.95 <br />