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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 202 Prep. by: SLB Task File Name: C017-202 <br /> Date: 03/15/95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Backfill Fan Benches, Mines #1, #2, A, and #5 <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 6§0) <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 /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 2,275.3 LCY Factor: N/A Volume: 2,275.3 LCY <br /> ------------ ---------- ------------- <br /> Source of quantity take-off: Same volume from task 177 <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.. 1.20 (Cat tbl) <br /> dozer production: 1475 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.: 247.33 LCY/hr <br /> ----------------------------------- -----_-_-__ <br /> Adjusted Fleet Production: 247.33 LCY/hr <br /> JOB COST --------___ <br /> Fleet size : 1 Dozer(s) Total Job Time: 9.20 Hours <br /> -------- ----------- <br /> Unit Cost . $0.464 /LCY Total Job Cost: $1,056.40 <br />