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CiRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 05a State :Colorado Permit/job # M72008-070 - <br />Date : 0111312009 County :Rio Blanco _ Abbreviation :none <br />User : GRM Site :Wrc Gravel Pit Filename :M070-05a <br />Alternate methods - <br />Seismic:- NA NA <br />Area : 4.50 <br />acres <br />Blade type :Universal <br />Attachment no. 1 :ROPS Cab Shift basis :- 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : 1.00 Volume : 7,260 BCY or CCY <br />Source of estimated quantity: mine plan acreage <br />Source of estimated load factor : NA <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 : 1,207.44 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 5,875 feet <br />Average ripping width : 7.08 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length :- -150 OO feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br /> <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : --E748 acres/hour Adjusted unit production : 1,002.18 cu. yds./hour <br />Unadjusted production : 1,207.44 cu. yds./hour Adjusted fleet production : 1,002.18 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 7.24 hours <br />Unit cost : $0.174 per cu. yd. Total job cost : $1,266 <br />