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Agency or organization name: DRMS <br />Permit or other job action :Acreage Increase <br />Task description : Rip 6.1 acres of pit floor <br />_ ......... .............. ...... .......... .......................... <br />. .:. <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D7R DS Series ll - 7SU <br />Blade type : Semi-Universal <br />Attachment no. 1 :BOPS Cab <br />Attachment no. 2 :3-shank ripper <br />Cost Breakdown : Ownership cost/hour : <br />Dozer operating cost/hour : <br />Ripper operating cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />MATERIAL QUANTITIES <br />Horsepower: 240 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />Utilization % <br />$46.68 NA <br />$28.79 100 <br />$4.17 100 <br />$32.78 NA <br />$112.42 Total fleet cost/hour : $112.42 <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 6.10 acres Rip depth (ft) : 1.50 Volume <br />NA <br />14,762 <br />BCY <br />BCY or CCY <br />Source of estimated quantity : Remainder of pit floor <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feet/pass <br />Average ripping width : 6.50 feet/pass <br />Average ripping length : 300.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.734 acres/hour <br />Unadjusted production : 1,776.40 cu. yds./hour <br />. <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Unadjusted production <br />per selected method : 1,776.40 cu. yds./hour <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />5,100 feet <br />1.00 (Cat HB) <br />0.83 (1 shift/day) <br />0.83 multiplier <br />Adjusted unit production : 1,474.41 cu. yds./hour <br />Adjusted fleet production : 1,474.41 cu. yds./hour <br />Total job time : 10.01 hours <br />Unit cost : $0.076 per cu. yd. Total job cost : $1,126