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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 204 Prep. by: SLB Task File Name: C017-204 <br /> Date: 03/15/95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Backfill Mine#1 and Mine #2 Coal storage area <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8L Horsepower: 335 <br /> Blade Type: Straight ---------- <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: N/A --------- <br /> Cost Breakdown: <br /> -------------- Utilization % (code MO) <br /> ownership cost/hr = $47.15 N/A <br /> operating & overhaul cost/hr- dozer = $46.11 100 <br /> -ripper = $0.00 N/A <br /> Operator cost/hr = $21.58 N/A <br /> Total eqpt. unit cost/hr = $114.83 Total fleet cost/hr: $114.83 <br /> -------- -------- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 11,728.4 LCY Factor: N/A Volume: 11,728.4 LCY <br /> Source of quantity take-off: Same volume used in Task #202 <br /> ---------------------------------------------------- <br /> Source of est. swell factor: Caterpillar Handbook <br /> --------------------------------------..------------ <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 150 ft. -------------------------------- <br /> --------- Operator.......... . 0.75 (avg.) <br /> Unadjusted hourly Mat. consistency.. : 1.20 (Cat tbl) <br /> dozer production: 692 LCY/hr Dozing method..... : 1.00 (gen.) <br /> --------- Visibility........ . 1.00 (avg.) <br /> Material consistency: Job efficiency.... : 0.83 (1sh/day) <br /> Loose stockpile Transmission type. : 1.00 ( PS ) <br /> ----------------------------------- Grade adjustment.. : 0.30 (Cat tbl) <br /> Avg. push gradient: 30.00 % (pos) Altitude adj. .... . 0.95 (Cat tbL) <br /> --------- Material weight... . 0.79 (Cat tbL) <br /> Avg. site altitude: 10000 ft. Blade type........ : 1.00 (S or U) <br /> --------- ------------------------------- <br /> Material weight 2900.00 lb/LCY Net Job Correction : 0.17 <br /> Mat. Descr.: -------- ----------- <br /> Decomposed rock - 50% Rock, 50% Earth Adjusted Unit Prod.: 116.00 LCY/hr <br /> Adjusted Fleet Production: 116.00 LCY/hr <br /> JOB COST ----------- <br /> Fleet size : 1 Dozer(s) Total Job Time: 101.11 Hours <br /> -------- ----------- <br /> Unit Cost : $0.990 /LCY Total Job Cost: $11,610.73 <br />