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CIRCES Cost Estimating Software <br />SCRAPER_ONLY WORK <br />PROJECT IDENTIFICATION <br />Agency or organization name :Colorado Division Of Minerals And Geology <br />Task # : 127 State :Colorado PermiUob # : C-1981-022 <br />Date : 04/11!2006 County :Delta Abbreviation :none <br />User : JRS Site :Elk Creek Mine Filename : C022-127 <br />Permit or other job action :2006 Midterm Review <br />Task description :Replace Topsoil from <br />to the ll West Refuse Pile Haul Road <br />HOURLY EQUIPMENT COST <br />Model :Cat 637G w/push-pull Shift basis : 1 per day <br />Cost Breakdown : Job utilization °h Horsepower 740 <br />Ownership cest/hour : $82.59 NA Weight (UST) : 59.08 <br />Operating cesUhour : $180.99 100 Cost data source : (CRG) <br />Operetor cesVhour : $24.95 NA <br />Total unit cesVhour : $288.53 Total fleet cosUhour : $577.06 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 1,000 CCY factor : 1.125 volume: 1,125 LCY <br /> <br />Source of quantity take-off :Division Estimate <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION <br />Haulinc Caoacily <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis <br />Matedal weight : 2,550 poundslLCY Struck volume : 21.00 LCY <br />Material description : Heaped volume : 31.00 LCY <br />Earth -Dry packed Average volume : 26.00 LCY <br />Rated payload : 75,000 pounds <br />Payload capacity : 29.41 LCY Adjusted capacity : 28.00 LCY "' <br /> <br />Cvcle Time (load + haul + spread + return! : Loading time : 1.00 minutes' <br /> Maneuver and spreading time : 0.60 minutes <br />Travel tlm@ : ' IoaGirg time per pair on pushpull motlals <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul: 800 4.0 5.0 9.0 1,042 0.81 'minutes" <br />Retum~ 800 -40 50 1.0 2963 0.27 jminutes" <br />"travel time atljustetl for acceleraLOn arM tleceleration at ioatl erM tlum0 points <br />velocities are mar. aaainabb per total resistance shown, not average Total cycle time 2.88 minutes <br />Job Condition Correction Factors <br />Site altitude (feet) : 6,300 Adiusted Hourlv Production <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 1,163.03 LCY/Hour"' <br />Job efficiency factor : 0.83 (1 shiWdayJ Adjusted unit production : 965.32 LCY/Hour <br /> Adjusted Fleet production : 985.32 LCYIHour <br />Net job cerrection factor : 0.83 -z limes volume on pusn-pull gwtlels <br />JOB TIME AND COST <br />Fleet size : 2 Scraper(s) Total jab time : 1.17 Hours <br />Unit cost : $0.598 /LCY Total job cost : $873 <br />