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t .Colo ra do Division of Minerals and Geology. <br />+ ESTIMATING FORM - BULLDOZER RIPPING <br />Task p: 5 Prep. by: TAS = Task F11e Name: M526-5 <br />Date: 06/19/98 Permit q: M-77-526 Mine: Worthing Lakes Pi[ <br />Permit Action: Final Reclamation <br />_____________________________________________________________ <br />Task Desc npt ron: Scarify 39 acres <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat DBN Horsepower: 285 <br />Blade Type: SEMI-UNIVERSAL -""" "'- <br />Attachment ql: ROPS Cab $h if[ Basis: 1/day <br />~~ Attachment q2: 3-shank ripper '"~"""- <br />', Cost/Hr Breakdown: Utilization k code 9+60) <br />"-"~""'--""" ownership = 543.36 N/A <br />operating/overhaul - dozer = 555.03 100 <br />' -ripper = 57.00 100 <br />operator = $23.12 N/A <br />Total egpt. unit cost/hr = $128.51 Total flee[ cost/hr: $128.51 <br />_________ _________ <br />MATERIAL 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: 37.00 Acres Rip Depth: 1.00 Volume 59,693 eCY or CCY <br />___________ _______ ___________ <br />Source of quantity Cake-off: permit <br />____________________________________________________ <br />Source of mat. load factor: N/A <br />____________________________________________________ <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: 7.08 fee[ <br />- Avg. ripping length per pass: 300.00 Eee[ <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.800 acres/hr <br />- Unadjusted hourly production: 1,289.99 BCY or CCY/hr <br />Correction Factors - Unadjusted production = 1,289.94 BCY or CCY/hr <br />~-~---""'------- - Site altitude = 6,000 feet <br />- Altitude adl ustment = 1.00 (Cat tbl) <br />- Job efficiency factor = O.B3 (lsh/dayl <br />- Net correction = 0.87 multiplier <br />- Adjusted production = 1070.65 BCY or CCY/hr <br />- Fleet production = 1070.65 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozer (sl Total Job Time: 55.75 Hours <br />________ ___________ <br />Unit Cost $0.120 /LCY Total Job Cos[: $7,169.87 <br />________ ___________ <br />