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• • Colorado Division of Minerals and Ceolog <br />_________________________________________ <br />ESTIMATING FORM - BULLDOZER RIPPING <br />Task p: 6 Prep. by: TAS Task File Name: M079-6 <br />___________ ________ _____________ <br />Date: 0'1/13/98 Permit q: M-B6-079 Mine: M fi G Pit <br />___________ ________ _________________________________ <br />Permit Action: Pinal Reclamation <br />_____________________________________________________________ <br />Task Description: Scarify 5.3 acre plant site fi access road <br />_____________________________________________________________ <br />HOURLY EOU IPMENT COST <br />_____________________ ea sic Machine: Ca[ DBN Horsepower: 2B5 <br />~ Blade Type: SEMI-UNIVERSAL --"'""-- <br />Attachment 111: ROPS Cab Shift Basis: 1/day <br />Attachment q2: 3-shank ripper ""---"" <br />Cost/Hr Breakdown: Utiliza [ion k (code ~bQ) <br />-"'""'"'-"_""- ownexsh ip = $43.36 NIA <br />operating/overhaul - dozer = $55.03 100 <br />-ripper = $7.00 100 <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: 5.30 Acres Rip Depth: 1.00 Volume 8,551 BCY or CCY <br />___________ _______ ___________ <br />Source of quantity take-off: program <br />____________________________________________________ <br />Source of mat. load factor: NjA <br />____________________________________________________ <br />' HOURLY PRODUCTION <br />Seismic Method - Seismic velocity of ma[eria l: N/A feet/sec. <br />---"'""'--"' - Unadjusted hourly production: N/A HCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 0.50 fee[ <br />""'--"" Avg. ripping wrdth per pass: 7.08 Eeet <br />- Avg. ripping length per pass: 200.00 feet <br />' - Avg. velocity of machine 88.00 feet/mrn. <br />- Avg. machine maneuver Lime 0.25 minutes <br />- Hourly prod. per unit area 0.773 acres/hr <br />- Unadjusted hourly production: 623.66 BCY or CCY/hr <br />Correction Factors - Unadjusted production = 623.66 BCY or CCY/hr <br />--"""""--""" Site altitude = 6,000 fee[ <br />- Altitude adjustment = 1.00 (Cat tb 17 <br />- Job efficiency factor = 0.83 (lsh/day) <br />- Ne[ correction = 0.83 multiplier <br />- Adjusted production = 517.64 BCY or CCY/hr <br />- Flee[ production = 517.69 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Dozer (s) Total Job Time: 16.52 Hours <br />________ ___________ <br />Unit Cost $0.248 /LCY 7o[al Job Cost: 52,122.76 <br />