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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />sa :.x <br />..... <br />PROJECT IDENTIFICATION <br />Task #: 001 State :Colorado Permit/job #: C-1981-047 <br />Date : 0911312007 <br />User: JRS <br />MATERIAL QUANTITIES <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2:3-shank ripper <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 0.23 acres Rip depth (ft) : 2.00 Volume : 742 BCY or CCY <br />Source of estimated quantity : Exhibit Z; Page 104 <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.00 feet/pass <br />Average ripping width : 7.08 feet/pass <br />Average ripping length : 200.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time: 0.25 minutes/pass <br />Production per unit area : 0.773 acres/hour <br />Unadjusted production : 2,494.65 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Abbreviation :none <br />Filename :C047-001 <br />Total job time <br />2,494.65 cu. yds./hour <br />6,400 feet <br />1.00 (Cat HB) <br />0.83 (1 shift/day) <br />0.83 multiplier <br />2,070.56 cu. yds./hour <br />2,070.56 cu. yds./hour <br />0.36 hours <br />County :Delta <br />Site : Blue Ribbon Mine <br />Unadjusted production <br />per selected method <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />Adjusted unit production <br />Adjusted fleet production <br />Unit cost : $0.083 per cu. yd. Total job cost : $62