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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 11a State :Colorado Permit/job# :M-19 78-222UG <br />09 :Montrose Abbreviation :none <br />Count <br />Date : 04107120 y <br />User : GRM Site :Monogram Mine Filename :M2UG-11a <br />Agency or organization name: DRMS <br />- - <br />Permit or other job action :Final Reclamation Liability Estimate <br />Task description : Push overburden / waste rock back over pit area <br /> <br />HOURLY EQUIPMENT COST <br />310 <br /> Basic machine: Cat D8R Series 11 - 8U (2005) Horsepower : <br /> Blade type :Universal <br /> Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source:_ (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.40 NA <br /> Operating cost/hour : $77.43 100 <br /> Ripper op. cost/hour : $1.68 25 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $169.28 Total fleet cost/hour : $169.28 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />250 LCY factor : NA volume : <br />3 <br />l 3,250 LCY <br />, <br />ume : <br />vo <br />Source of estimated volume :2 acres * 43560127 ` 1' average depth <br />Source of estimated swell factor :NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill . 75 <br />, (avg.) - <br />Average push distance : 100 feet Material consistency : 4 <br />. <br />10 (Cat HB) <br />Unadjusted hourly production 931.6 LCY/hr Dozing method : . <br />00 <br /> Visibility : . <br />00 _ (avg.) <br />Material consistency description : Job efficiency : 0.83 (1 shiftlday) <br />Partly consolidated stockpile Spoil pile : 0.80 (fnd-r) <br />--- - <br />Push gradient : <br />1.14 <br />(Cat HB) <br />Average push gradient : 6.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,350 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />ei <br />ht : <br />l <br />i <br />t <br />M 550 Ibs/LCY <br />2 Net correction : 0.56 <br />g <br />w <br />er <br />a <br />a , <br />Weight description <br />Adjusted unit production : <br />523.60 <br />LCY/hr <br />Sandstone <br /> Adjusted fleet production : 523.60 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 6.21 Hours <br />Unit cost : $0.323 /LCY Total job cost : $1,051 <br />