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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 246 Prep. by: SLB Task File Now: C017-246 <br /> Date: 03/16/95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Regrade Mine #1/#2 conveyor corrider <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 Oyu) <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 = S42.70 Total fleet cost/hr: $42.70 <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 416.7 BCY Factor: 1.250 Volume: 520.8 LCY <br /> ------------ ---------- ------------ <br /> Source of quantity take-off: Assume 21d X 151w X 37511, aerial photos <br /> -----__-------------------------------------------- <br /> Source of est. swell factor: Caterpillar Handbook <br /> ------------------------------------------------ <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 50 ft. ---------------------- <br /> -------- Operator.......... : 0.75 (avg.) <br /> Unadjusted hourly Mat. consistency.. : 0.70 (Cat tbl) <br /> dozer production: 300 LCY/hr Dozing method..... : 1.00 (gen.) <br /> --------- Visibility........ : 1.00 (avg:) <br /> Material consistency: Job efficiency.... : 0.83 (1sh/day) <br /> Hard to cut or frozen Transmission type. : 1.00 ( PS ) <br /> ------------------------------------ Grade adjustment.. : 0.79 (Cat tbl) <br /> Avg. push gradient: 10.00 % (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 : 0.15 <br /> Mat. Descr.: --------- ----------- <br /> GENERAL FILL Adjusted Unit Prod.: 46.29 LCY/hr <br /> Adjusted Fleet Production: 46.29 LCY/hr <br /> JOB COST ----------- <br /> Fleet size : 1 Dozer(s) Total Job Time: 11.25 Hours <br /> Unit Cost . SO.922 /LCY Total Job Cost: $480.43 <br />