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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 3 Prep, by: SLB Task File Name: C017-3 <br /> Date: 03/14/94 Permit #:C-81-017 Mine: Coal Basin Mines <br /> ------------ --------- --------------------------------- <br /> Permit Action: N/A <br /> Task Description: Backfilt Mine #2 Entry Portals <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 Osti) <br /> Ownership cost/hr = 58.46 N/A <br /> Operating & overhaul cost/hr- dozer = 512.67 100 <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: 542.70 <br /> ---------- ---------- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 400.0 BCY Factor: 1.250 Volume: 500.0 LCY <br /> Source of quantity take-off: Assume 3 12' X 12' portals, 25' of backfilL <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: 2" LCY/hr Dozing method..... : 1.00 (user) <br /> ---- Visibility........ . 0.70 (user) <br /> Material consistency: Jbb 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 attitude: 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 /> ------------------------------------ ------------- <br /> Adjusted Fleet Production: 19.12 LCY/hr <br /> JOB COST ------------- <br /> Fleet size : 1 Dozer(s) Total Job Time: 26.15 Hours <br /> Unit Cost : $2.233 /LCY Total Job Cost: 51,116.68 <br />