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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 11a <br />Date : 0610312008 <br />User : TAK <br />Permit/job # : C-80-007 <br />Abbreviation :none <br />Filename :0007-11a <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : TR-111 <br />Task description : Rip MDW pads, approved TR-111 <br />............................................................................................................................................................................................. <br />HOURLY: EUIPMENT? COST' ::::::......................................................................................................................................................................... <br />...................... <br />Q <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab Shiftbasis : 1 perday <br />Attachment no. 2:3-shank ripper <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : <br />Area : <br />NA NA <br />4.54 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.00 Volume <br />NA <br />7,325 <br />BCY <br />BCY or CCY <br />Source of estimated quantity : TR-111 submittal <br />Source of estimated load factor :NA <br /> <br /> <br />HOURLY PRODUCTION ..................::::::::::::::::. ::::.:::::...:...................................................... ......................... ................................... <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 2,083.21 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 8,000 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 0.95 (Cat HB) <br />Average ripping length : 50.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.79 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.646 acres/hour Adjusted unit production : 1,642.61 cu. yds./hour <br />Unadjusted production : 2,083.21 cu. yds./hour Adjusted fleet production : 1,642.61 cu. yds./hour <br /> <br />:::.::.................. <br />JOB TIME AND COST :..... <br />Fleet size : 1 dozer(s) Total job time : 4.46 hours <br />Unit cost : $0.129 per cu. yd. Total job cost : $946 <br /> <br />State : Colorado <br />County :Delta <br />Site : West Elk Mine <br />Selected estimating method : Area