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CIRCES Cost EsUmatimt Software <br />BULLDOZER RIPPING WORK <br />PROJECTIDENTIFlCATION _~,~ -.,_~ _-..~ _-~_~ ~_._ <br />Agertq or organization name : CDMG <br />Permit a other job action : PR-8 <br />Task description :Rip gr <br />HOURLY EQUIPMENT COST <br />coal sales area <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 />Task # : 280 Sfate :Colorado Petmitlob # : C-81-035 <br />Oate : 06/04/2006 Courdy : La Plata Abbreviation :none <br />User : TAK ' Site :King Coal Mine Filename : C035-280 <br />Data source : (CRG) <br />Utilization <br />Cost Breakdown : Ownership cosUhour : $53.92 NA <br />Dozer operating costlhour : $75.29 100 <br />Ripper operating cosUhour : $7.98 100 <br />Operator cesVhour : $32.53 NA <br />Total unit costRtour : $169.72 Total fleet cosUhour : $169.72 <br />~MATERiALQUANTITtES ~~-_ ~---,----------~_--__ _~__-._._----_.__-_, <br />• Aftemate methods - <br />Seismic : NA NA toad factor <br />Area : 0.80 saes Rip depth (ft) <br />Selected estimating method : Area <br />NA Bank volume : NA BCY <br />1.00 Volume : 1,291 BCY or CCY <br />Source of estimated quantity :Surface featums map <br />Source of estimated bad factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic veloary <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />NA feeUSecond <br />NA w. yds./hour <br />1.00 feet/pass <br />708 feeVpass <br />150.00 feeUpass <br />88.00 feetlminute <br />0.25 minutesfpass <br />Unadjusted production <br />per selected method <br />Site altitude <br />Altitude adjustment <br />Job effidency factor <br />Net job correction <br />1,207.44 ar. yds.Rrour <br />7,300 feet <br />1.00 (Cat HB) <br />0.83 (1 shitf/day) <br />0.83 multiplier <br />Production per unit area : 0.748 aaeslhour 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 />JOB TIME AND COST <br />• Fleet size : 1 dozers) Total job time : 1.29 hours <br />UnR cost : $0.169 per cu. yd. Total job cost : $219 <br />~_ ~~~ <br />