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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 002 State : Colorado Permit/job # : M-2003-068 <br />Date <br />User <br />02/23/2009 <br />KAP <br />County :Huerfano Abbreviation :none <br />Site : Mary'S Mountain Gravel Pit Filename : M068-002 <br />Agency or organization name : Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action :Bond recalculation related to inspection <br />Task description : Rip pit floor <br />. _ ...... <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11- 7SU <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2:3-shank ripper <br />MATERIAL QUANTITIES <br />Horsepower : 240 <br />Shiftbasis : 1 perday <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 8.00 acres Rip depth (ft) : 1.00 Volume <br />NA <br />12,907 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :Reclamation Plan <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />Production per unit area <br />Unadjusted production <br />NA feet/second Unadjusted production <br />NA cu. yds./hour per selected method <br />1.00 feet/pass Site altitude <br />6.50 feet/pass Altitude adjustment <br />250.00 feet/pass Job efficiency factor <br />88.00 feet/minute Net job correction <br />0.25 minutes/pass <br />0.724 acres/hour Adjusted unit production <br />1,168.30 cu. yds./hour Adjusted fleet production <br />1,168.30 cu. yds./hour <br />8,030 feet <br />0.93 (Cat HB) <br />0.83 (1 shift/day) <br />0.77 multiplier <br /> <br />901.81 <br />901.81 <br />cu. yds./hour <br />cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 14.31 hours <br />Unit cost : $0.155 per cu. yd. Total job cost : $2,003