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.Colorado Division of Minerals erd Geology. <br />ESTIMATING FORM - BULLD02ER RIPPING <br />___________________________________ <br />Task M: 2 Prep. by: JD Task File Name: M060-2 <br />Date: 10/23/95 Permit q: M95060 Mine: Butcher Pit <br />Permit Action: Final Reclamation <br />Task Description: Rip Pit Floor <br />HOURLY EOUI PMENT COST <br />_____________________ Basic Machine: Cat D7H SERIES II Horsepower: 215 <br />Blade Type: UNIVERSAL ---------- <br />Attachment R1: RODS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ri pper ---------- <br />Cost/Hr Breakdown: Utilization X (code bSli) <br />----------------- ownership = (38.70 N/A <br />operating/overhaul - dozer = f37.95 100 <br />-ripper = (4.64 100 <br />operator = f22.95 N/A <br />Total egpt. unit cost/hr = (104.23 Total fleet cost/hr: f104.23 <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Vol une N/A BCY <br />Area _____-----_ ---___- __-______~ <br />method: 30.00 Acres Rip Depth: 1.00 Volume 48,400 BCY or CCY <br />Source of quantity take-off: Calculation <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Seismic velocity of material: <br />N/A <br />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 fee[ <br />- Avg. ripping Length per pass: 500.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver tine 0.25 minutes <br />- Hourly prod. per unit area 0.755 acres/hr <br />- Unadjusted hourly production: 1,217.54 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 1,217.54 BLY or CCY/hr <br />------------------ -Site altitude = 7,550 feet <br />- Altitude edj ustnent = 0.93 (Cat tbl) <br />- Job efficiency factor = 0.83 (15h/day) <br />- Net correction = 0.77 multiplier <br />- Adjusted production = 939.82 BCY or CCY/hr <br />- Fleet production = 939.82 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Job Time: 51.50 Hours <br />Unit Cos[ 50.111 /LCY Total Job Cost: 55,367.72 <br />