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CIRCES Cost Estimating Software <br /> BULLDOZER RIPPING WORK <br />IOJECT ID ENTIFICATION <br />Task # : 059 State :Colorado PermiUjob # : C-81-041 <br />Date : 04/25/2001 County :Mesa Abbreviation :none <br />User : JRS Site :Roadside Portals Filename : C041-059 <br />Agency or organization name :Colorado Division O/Minerals And Geology <br />Permit or other job action :Roadside Portals Current Liability <br />Task description :Rip/Scarify All Areas Prior to Topsoil Replacement <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R - 8SU Horsepower : 305 <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 : 1-shank ripper <br /> Data source : (CRGJ <br /> Utilization <br />Cost Breakdown : Ownership cost hour : $50.41 NA <br />Dozer operating cosUhour : $65.98 100 <br />Ripper operating cosVhour : $9.78 100 <br />OperatorcosUhour : $27.99 NA <br />Total unit cost/hour : $154.17 Total fleet cosUhour : $154.17 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : 98,494 CCY Load factor <br />Area : NA acres Rip depth (ft) <br />Source of estimated quantity :Exhibit 6a <br />Source of estimated load factor :CAT Handbook <br />HOURLY PRODUCTION <br />Selected estimating method : Seismic <br />0.875 Bank volume : 86,182 BCY <br />NA Volume : NA BCY or CCY <br />Alternate methods - <br />Seismic : Seismic velocity : 3,000 feet/second <br />Unadjusted production : 1,718.40 cu. yds./hour <br />Area : Avg. ripping depth : NA feeUpass <br />Average ripping width : NA feetpass <br />Average ripping length : NA feeUpass <br />Average dozer speed : NA feeUminute <br />Average maneuver time : NA minutes/pass <br />Production per unit area : NA acres/hour <br />Unadjusted production : NA cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) <br />Unit cost : $0.108 per cu. yd. <br />Unadjusted production <br />per selected method : 1,718.40 cu. yds./hour <br />Site altitude: 5,000 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor: 0.83 (1 shifVday) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production : 1,426.27 cu. yds./hour <br />Adjusted fleet production : 1,426.27 cu. yds.lhour <br />Total job time : 60.42 hours <br />Total job cost : $9,316 <br />