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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 004 State :Colorado <br />Date : 08/01/2002 County : E/ Paso <br />User : JDi Site :Sokol Pit <br />Agency or organization name : DMG <br />Permit or other job action :final roc/amation <br />Task description :Rip the pit floor <br />HOURLY EQUIPMENT COST <br />Basic machine ;Cat D7R - 7U <br />Blade type ;Universal <br />Attachment no. 1 ; ROPS Cab <br />Attachment no. 2 :3-shank rippe. <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $41.04 NA <br />Dozer operating cosUhour : $44.43 100 <br />Ripper operating cosUhour : $6.00 100 <br />Operator cost/hour : $30.65 NA <br />Total unit cosUhour : $122.12 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Alternate method <br />PermiUjob # : M-1980-793 <br />Abbreviation :none <br />Filename : M193-004 <br />Selected estimating method <br />Horsepower: 230 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />512212 <br />Area <br />NA 8CY <br />43,560 BCY or CCY <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 2700 acres Rip depth (ft) : 1.00 Volume <br />Source of estimated quantity :program <br />Source of estimated load factor : NA <br />HOURLY PRODUC71ON <br />Alternate methods - <br />Seismic : Seismic velocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass <br />Average ripping width : 6.50 feeUpass <br />Average ripping length : 400.00 feet/pass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.747 acres/hour <br />Unadjusted production : 1,204.84 cu. yds./hour <br />Unadjusted production <br />per selected method : 1,204.84 cu. yds./hour <br />Site altitude : 6,940 feet <br />Altitude adjustment : 0.95 (Cat HB) <br />Job efficiency factor : 0.83 (1 shifUday) <br />Net job correction : 0.79 multiplier <br /> <br />Adjusted unit production <br />Adjusted fleet production <br />950.02 <br />950.02 cu. yds./hour <br />cu. yds.lhour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 45.85 hours <br />Unit cost : $0.129 per cu. yd. Total job cost : $5,599 <br />