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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER WORK <br />Task p: 52d Prep, by: SLB Task File Name: C00]-52d <br />Date: OB/14/97 Permit p:C-BO-007 Mine: Nest Elk Mine <br />Permit Action: Minor Revision No. 220 <br />cask Description: Push Eill material back onto cut slope <br />HOURLY EQUIPMENT COST <br />••--•-••----••---••-- Hasic Machine: Cat DBN Horsepower: 2B5 <br />Hlade Type: SEMI-UNIVERSAL ------'-- <br />Attachment pl: ROPE Cab Shift Basis: 1/day <br />Attachment p2: N/A ---'----- <br />Cost Breakdown <br />Ownership cost/hr - $40.05 <br />Operating 6 overhaul cost /hz- dozer $Sl.fi7 <br />-ripper - $0.00 <br />Operator cost/hr - 522.95 <br />Total egpt. unit roe[/hr - $114.6] <br />Utilization t <br />N/A <br />100 <br />N/A <br />N/A <br />Total fleet cost/hr: $119.67 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 17,000.0 BCY Facto[: 1.330 Volume: 17,290.0 LCY <br />Source of quant icy take-off: Operator estimate <br />Source of est. swell factor: DLvision esc imace, BOt rock-90t dirt <br />HOURLY PRODUCTION <br />---•••----•••---• Job Condition Coirect ion Factors <br />Avg, push distance: 200 fc. <br />' ---'--'- Operator.......... 0.75 lavg.) <br />Unadjusted hourly Mac. cons iscency.. 1.20 (Car [bl) <br />dozer production: 448 LCY/hr Dozing method..... 1.00 (gen.l <br />" '----"' Visibility........ 1.00 (avg .1 <br />Material consistency: Job efficiency.... O.B3 (lsh/day) <br />Loose stockpile Spoil pile factor. 0.70 Ifnd-mfI <br />--"'-----"-----'-"- --'--'"-"'---'- Push gradient..... : 0.42 (Cat cb 11 <br />Avg. push gradient: 25.00 t Epos) Altitude deration. 1.00 (Cat tbll <br />- --"--"- Material weight... 0.79 (Car cbll <br />Avg, site altitude: 6500 EC. Blade type........ 1.00 (S, SU, U) <br />Material weigh[ 2900.00 16/LCY Net Job Correction 0.17 <br />Mac. Descr.: <br />Decomposed rock - BOt Rock, BOt Earth Adj used Unic Prod.: 78.32 LCY/ht <br />Adjusted Fleet Production: 78.32 LCY/hr <br />JOB COST <br />Fleet size 1 Dozerfs) <br />Unit Cost $3.469 /LCY <br />focal Job time: 220.75 Hours <br />Total Job Coat: 825.312.89 <br />