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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 8 Prep. by: SLB Task File Name: C017-8 <br /> Date:/ �03/-W9Permit #:C-.81-017 Mine: Coal Basin Mines <br /> s"A 5 --------- --------------------------------- <br /> Permit Action: N/A <br /> ----------------------------------------------- <br /> Task Description: Backfill Mine #5 Fan portal <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D4B Horsepower: 75 <br /> Blade Type: Power Angle Tilt ---------- <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: N/A <br /> Cost Breakdown: <br /> -------------- Utilization % (code 6W) <br /> Ownership cost/hr = $8.46 N/A <br /> Operating & overhaul cost/hr- dozer = $12.67 100 <br /> -ripper = $0.00 N/A <br /> Operator cost/hr = $21.58 N/A <br /> Total eqpt. unit cost/hr = $42.70 Total fleet cost/hr: $42.70 <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 266.7 BCY Factor: 1.250 Volume: 333.3 LCY <br /> ---------- ---------- _____________ <br /> Source of quantity take-off: Assume 2 12' X 121 portals, 25' of backfill <br /> _--...._---....----------------------------------------- <br /> Source of est. swell factor: Division Estimate <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 75 ft. -------------------------------- <br /> --------- Operator.......... 0.60 (poor) <br /> Unadjusted hourly Mat. consistency.. 0.50 (user) <br /> dozer production: 244 LCY/hr Dozing method..... 1.00 (user) <br /> Visibility........ 0.70 (user) <br /> Material consistency: Job efficiency.... 0.83 (1sh/day) <br /> User provided factor Transmission type. 1.00 ( PS ) <br /> ---..,,.---------------....---....------- Grade adjustment.. 1.00 (Cat tbl) <br /> Avg. push gradient: 0.00 % (pos) Altitude adj. .... 0.72 (Cat tbl) <br /> -------- Material weight... 1.00 (Cat tbl) <br /> Avg. site altitude: 10000 ft. Blade type........ 0.63 (PAT) <br /> Material weight 2300.00 lb/LCY Net Job Correction : 0.08 <br /> Mat. Descr.: -------- ________-__ <br /> GENERAL FILL Adjusted Unit Prod.: 19.12 LCY/hr <br /> Adjusted Fleet Production: 19.12 LCY/hr <br /> JOB COST ___________ <br /> Fleet size : 1 Dozer(s) Total Job Time: 17.43 Hours <br /> -------- ----------- <br /> Unit Cost . $2.233 /LCY Total Job Cost: $744.45 <br /> -------- ----------- <br />