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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER RIPPING <br />___________________________________ <br />___________________________________ <br />Task N: 7 Prep. by: BLP Task File Name: %214-7 <br />Date: 10/21/94 Permit R: %-94-214 Mine: [ec <br />Permit Action: N01 <br />Task Description: Rip Access Roads <br />HOURLY EWIPMENT COST <br />_____________________ Basic Machine: Let D3B (1989) Horsepower: 65 <br />Blade Type: Power Angle Tilt ---------- <br />Attachment 7Y1: ROPS Lab Shift Basis: 1/day <br />Attachment f12: 3-shank ripper ---------- <br />Lost/Xr Breakdown: Utilization X (code DSII) <br />----------------- ownership = f7.23 N/A <br />operating/overhaul - dozer = f10.77 100 <br />-ripper = f1.12 100 <br />operator = 520.69 N/A <br />Total egpt. unit cost/hr = 539.82 Total fleet cost/hr: f39.82 <br />MNTERIAL 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: 18.60 Acres Rip Depth: 1.50 Volume 45,012 BCY or CCY <br />Source of quantity take-off: N01 <br />Source of met. load factor: N/A <br />HWRLY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Seismic velocity of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 0.83 feet <br />----------- - Avg. ripping width per pass: 4.67 feet <br />- Avg. ripping length per pass: 200.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.510 acres/hr <br />- Unadjusted hourly production: 682.88 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 682.88 BCY or CCT/hr <br />--------------- --- -Site altitude = 6,500 feet <br /> - Altitude edj ustment = 1.00 (Cat tbl) <br /> - Job efficiency factor = 0.83 (1sh/day) <br /> - Net correction = 0.83 multiplier <br /> - Adjusted production = 566.79 BCY or CCY/hr <br /> - Fleet production = 566.79 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Job Time: 79.42 Hours <br />___________ <br />Unit Cost ________ <br />f0.070 /LCY Total Job Cost: f3, 162.06 <br />