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III III III III IIII III .Colorado Division of Minerals end Geology • <br />----------------------------------------- <br />ESTIMATING FORM - BULLD02ER RIPPING <br />___________________________________ <br />___________________________________ <br />Task N: 3 Prep. by: APM Tesk File Name: M030-3 <br />Date: Ob/07/95 Permit N: N-95-030 Mine: Green Bros. Pit No. 2 <br />Permit Action: New 110 permit application <br />Task Description: Ripping canpected areas <br />XOURLY EOUI PMEMT COST <br />_____________________ Basic Machine: Cat D8N Horsepower: 285 <br />Blade Type: Universal ---------- <br />Attechment M1: ROPS Lab Shift Basis: 1/day <br />Attachment art: 3-shank ripper ---------- <br />Cost/Xr Breakdown: Utilixetion X (code Og0) <br />----------------- ownership = 544.67 M/A <br />operating/overhaul - dozer = 538.79 700 <br />-ripper = f4.54 700 <br />operator = 527.58 N/A <br />Total egpt. unit cost/hr = 5708.98 Taal fleet cost/h r: 5108.98 <br />MATERIAL WANT IT IES <br />___________________ Selected method Aree <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Vol uae N/A BCY <br />Area ___________ ___---- ___________ <br />method: 7.00 Acres Rip Depth: 3.00 Vo lame 4,840 BLY or LCY <br />Source of quantity take-off: Estimated from permit <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Seismic velocity of materiel: N/A feet/sec. <br />------------- - Unadjusted hourly production: N/A BCY or LCY/hr <br />Area Method - Avg. ripping depth per pass: 2.56 feet <br />----------- - Avg. ripping width per pass: 7.08 feet <br />- Avg. ripping length per pass: 300.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine menewer tine 0.25 minutes <br />- Xourly prod. per snit area 0.800 acres/hr <br />- Unadjusted hourly production: 3,302.24 BCY or CCY/hr <br />Lor rection Factors - Unedj usted production = 3,302.24 BCY or CCY/hr <br />------------------ -Site altitude = 4,250 feet <br />- Altitude edj ustment = 1.00 (Cat tbL) <br />- Job efficiency factor = 0.83 (1sh/day) <br />- Net correction = 0.83 nulti plier <br />- Adjusted production = 2740.86 BCY or CCY/hr <br />- Fleet production = 2740.86 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size f Dozers) Total Job Time: 7.77 Hours <br />Unit Cost 50.040 /LCY Total Job Lost: 5192.44 <br />