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ado Division of Minerals and Geology . <br />ESTIMATING FORM - BULLDOZER RIPPING <br />___________________________________ <br />Task #: 3 Prep. by: RCO Task File Name: M271-3 <br />_________-_ ________ _____________ <br />Date: 02/02/99 Permit #: M-78-271 Mine: Garrett Pit <br />________--- ________ _________________________________ <br />Permit Action: Scheduled band recalculation - final reclamation <br />Task Description: Rip compaction on pit floor, 27.5 ac <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Lat D9N Horsepower: 370 <br />Blade Type: SEMI-UNIVERSAL ---------- <br />Attachment #1: ROPS Lab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper ---------- <br />Cost/Hr Breakdown: Utilization % (code O§ll) <br />----------------- ownership = 444.97 N/A <br />operating/overhaul - dozer = 478.89 100 <br />-ripper = 48.06 100 <br />operator = 423.12 N/A <br />Total egpt. unit cost/hr = 4155.03 Total fleet cost/hr: 4155.03 <br />_________ ______-__ <br />MATERIAL 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: 27.50 Acres Rip Depth: 1.50 Volume 66,550 BCY or LCY <br />___________ _______ ______-____ <br />Source of quantity take-off: 1/99 inspection <br />____________________________________________________ <br />Source of mat. load factor: N/A <br />____________________________________________________ <br />HOURLY PRODUCTION <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. ri ppi n9 depth per pass: 1.50 feet <br />----------- -Avg. ripping width per pass: 7.67 feet <br />- Avg. ripping length per pass: 500.00 fee[ <br />- Avg, velocity of machine 88.00 fee[(mi n. <br />- Avg, machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.891 acres/hr <br />- Unadjusted hourly production: 2,155.04 BCY or CCY/hr <br />Correction Factors -Unadjusted production = 2,155.04 BCY or CCY/hr <br />------------------ -Site altitude = 7,740 feet <br />- ALti rude adjustment = 0.96 (Cat tbl) <br />- Job efficiency factor = 0.83 (1sh/day) <br />- Net correction = 0.80 multiplier <br />- Adjusted production = 1717.14 BCY or LCY/hr <br />- Fleet production = 1717.14 BCY or LCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozers) Total Jab Time: 38.76 Hours <br />Unit Cost 40.090 /LCY Total Jab Cost: 46,008.54 <br />