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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 7 Prep. by: SLB Task File Name: C017-7 <br /> Date: 03/14/94 Permit #:C-81-017 Mine: Coal Basin Mines <br /> . �------_ -------- --------------------------------- <br /> Permit Action: N/A <br /> ------------------------------------ <br /> Task Description: Backfill Rock Tunnel Portals <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D48 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 OSII) <br /> Ownership cost/hr = $8.46 N/A <br /> Operating 8 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 = 542.70 Total fleet cost/hr: $42.70 <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 600.0 BCY " Factor: 1.250 Volume: 750.0 LCY <br /> Source of quantity take-off: Assume 2 18, X 18' portals, 25' of backfill <br /> --------------------------------------------------- <br /> Source of est. swell factor: Division estimate <br /> ---------------------------------------------- <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 75 ft. ------ ----------------- <br /> Operator.......... : 0.60 (user) <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: 39.23 Hours <br /> Unit Cost : $2.233 /LCY Total Job Cost: $1,675-06 <br />