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<br />CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Agenq or organization name .Diwsron Oi Minerals 8 Geology <br /> <br />Task C 001 State :Colorado PermiVjobp . M-78-314 <br />Date. 11242000 County :Rout! Abbreviation :none <br />User ESC Site'Hewe5 Pit Filename .M3/4-001 <br /> <br />Permit or otherjOb action :Reevaluate amount o/requiretl bond <br /> <br />Task description ' Backfill pit area <br /> <br />HOURLY EQUIPMENT COST Basic machine .Cat D8N (1996) Horsepower: 285 <br />Blade type :Semi-Universal <br />Attachment no. 1 . ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 3-shank ripper <br /> Utilization % Cost tlata source (CRG) <br />C05I Breakdown : Ownership cesUhour' $4 /. ]0 NA <br />Operating cesUhour' $5564 100 <br />Ripper Op. cesUhour' $000 0 <br />Operator cesUhour $23 12 NA <br />Total unit cosUhour' $719.86 Total Beet wsVhour: §119.86 <br />Initial <br />volume <br />Swell <br />1,760 LCY factor NA <br />Source of quanary take-oft:OMG Estimate <br />Source o/est. Swell !actor : NA <br />Average push distance : 100 feet <br />Unadlustetl hourty production : 803 LCV/hr <br />Material consistency description <br />Consolidatetl stockpile <br />Aveage push gradient: 10.00 %(neg) <br />Average site allitutle 8,620 feet <br />Material weight : 2.900 Ibs/LCY <br />Material weight descnplion <br />Decomposetl mck - 50% Rock, 50% Earth <br /> <br />Operator skill: <br />0.75 Source <br />(avg) <br />Material consistency . 100 (Cat HB) <br />Dazing method : 7.00 /gen./ <br />Visibility: 1.00 (avg.) <br />Job eKCiency: 083 (1ShiWday <br />Spoil pile: 0.70 (Ind-m0 <br />Push gradient : 7 22 (Cat HB) <br />Altitude: 1.00 (Cal HB) <br />Material weight : 0 79 fCaf HB/ <br />Blade type : 1.00 (S or U) <br />Net correction : 0.42 <br />Adjusted unit production : 340 13 LCY/hr <br />Adjusted fleet Droduction : 340.13 LCY/hr <br />JOB TIME AND COST <br />Fleet size. 1 Dozers) Total loD time: 5.17 Hours <br />Unit cast : $0.352 /LCY Total lob cost : §6Y0 <br />Loose <br />volume' 1.760 LCY <br />