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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a <br />Date : 02/16/2006 <br />User : GRM <br />PermiUjob # : M-2005-075 <br />Abbreviation :none <br />Filename :M075-03a <br />Agency or organization name :DMG <br />Permit or other job action :Initial bond Calculations - 2006 <br />Task description :Rip flat area and grade prior to topsoiling <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series 11 - 8SU Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $48.85 NA <br />Dozer operating cost/hour : $66.03 100 <br />Ripper operating cost/hour : $7.09 100 <br />Operator cosVhour : $31.78 NA <br />Total unit cosUhour : $153.75 Total fleet cosUhour : $153.75 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Altemate methods - <br />Seismic : NA NA <br />Area : 1.00 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.00 Volume <br />Source of estimated quantity :Reclamation <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic vefocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <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 />State :Colorado <br />County :Garfield <br />Site :Glen Pit <br />1.00 feeVpass <br />7.08 feeVpass <br />500.00 feeVpass <br />88.00 feeVminute <br />0.25 minutes/pass <br />0.822 acres/hour <br />1,326.18 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer{s) <br />Unit cost : $0.140 per cu. ytl. <br />NA <br />3,227 <br />BCY <br />BCY or CCY <br />Unadjusted production <br />per selected method : 1,326.18 cu. yds./hour <br />Site altitude : 532 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shi(t/dayJ <br />Net job correction : 0.83 multiplier <br /> <br />Adjusted unit production : 1,100.73 cu. yds./hour <br />Adjusted fleet production : 1,100.73 cu. yds./hour <br /> <br />Total job time : 2.93 hours <br />Total job cost : $451 <br />