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CIRCES Cost Estimating Software <br />(BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 02a State :Colorado Permit/job # : M-2000-073 <br />Date : 0712412008 County' : Rio Blanco Abbreviation :none <br />User: SSS Site,: Schults Gravel Pit Filename : M073-02a <br />Agency or organization name : DRMS _ <br />Permit or other job action : Technical Revision No. 1 <br />Task description : Rip compacted areas prior to topsoil replacement <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D7R DS Series 11 - 7SU Horsepower : 240 <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shiftbasis : 1 per day <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $46.68 NA <br />Dozer operating cost/hour : $56.19 100 <br />R ipper operating cost/hour : $4.30 100 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $139.95 Total fleet cost/hour : $139.95 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 2.00 a cres Rip depth (ft) : 1.50 Volume : 4,840 BCY or CCY <br /> <br />Source of estimated quantity :Assume 50'W x 1000'L area <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 : 1,826.31 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feet/pass Site altitude : 5,930 feet <br />Average ripping width : 6.50 feet/pass Altitude adjustment : 1100 (Cat HB) <br />Average ripping length : 500.00 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 />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.755 acres/hour Adjusted unit production : 1,515.84 cu. yds./hour <br />Unadjusted production : 1,826.31 cu. yds./hour Adjusted fleet production : 1,515.84 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 3.19 hours <br />Unit cost : $0.092 per cu. yd. Total job cost : $447 <br />