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z <br /> <br />Colorado Division of Minerals a nd Geology <br />ESTIMATING FORM - BULLDOZER RIPPING <br />Task #: 2 Prep. by: RCO Task File Name: M027-2 <br />- <br />Date: 06/11/97 Permit #: M-97-027 Mine: Moonscape Pit <br />Permit Action: Final reclamation <br />Task Description: Rip compacted areas <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9N Horsepower: 370 <br />Blade Type: SEMI-UNIVERSAL --------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank r ipper ---------- <br />Cost/Hr Breakdown: Utiliza tion X (code 05u) <br />--------------- ownership = 548.37 N/A <br />operating/overhaul - dozer = 574.14 100 <br />-ripper = 57.69 100 <br />operator = 522.95 N/A <br />Total egpt. unit cost/hr = 5153.15 Total fleet cost/hr: 5153.15 <br />MATER iAL QUANTITIES <br />Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Volume N/A BLY <br />Area --------- ------- ----------- <br />method: 8.30 Acres Rip Depth: 1.00 Volume 13.391 BCY or LCY <br />Source of quantity take-off: Application materials <br />-------------------------- <br />------------ <br />-------- <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <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: 1.00 feet <br />---------- - Avg. ripping width per pass: 7.67 feet <br />- Avg. ripping length per pass: 300.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.866 acres/hr <br />- Unadjusted hourly production: 1.397.43 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 1 397.43 BCY or CCY/hr <br />----------------- -Site altitude = 5.100 feet <br />- Altitude adjustment = 1.00 (Cat tbl) <br />- Job efficiency factor = 0.83 (lsh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production = 1I59.87 BCY or CCY/hr <br />- Fleet production 1159.87 BCY or CCY/hr <br />JOB COST <br />Fleet Size 1 Dozers) Total <br />---- Job Time: 11.54 <br />---------- Hours <br />---- <br />Unit Cost 50.132 /LCY Total Job Cost: 51.768.13 <br />