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Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORK - BULLDOZER WORK <br /> Task 1: 10 Prep. by: SLB Task File Name: C017-10 <br /> ------------ --------- _____________ <br /> Date: 12/30/94 Permit ¢:C-81-017 Mine: Coal Basin Mines <br /> ------------ --------- _________________________________ <br /> Permit Action: N/A <br /> ______________________________________________.:______-_--____ <br /> Task Description: Backfill Mine ¢3 Fan Portals <br /> _____________________________________________________________ <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D4B Horsepower: 75 <br /> Blade Type: Power Angle Tilt ----- <br /> Attachment #I: ROPS Cab Shift Basis: -1/day <br /> Attachment 12: N/A ---------- <br /> Cost Breakdown: <br /> ______________ Utilization (code §60) <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 egpt. unit cost/hr = + $42.70 Total fleet cost/hr: $42.70 <br /> ________ -------- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 266.7 BCY Factor: 1.250 Volume: 333.3 ICY <br /> ------------ <br /> ---------- _____________ <br /> Source of quantity take-off: assume 121x12' portal, 25 foot fill, 2 fans <br /> ____________________________________________________ <br /> Source of est. swell factor: Estimated from Caterpillar handbook <br /> ____________________________________________________ <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: 244 LCY/hr Dozing method..... . 1.00 (gen.) <br /> --------- Visibility........ . 0.70 (user) <br /> Material consistency: Job efficiency.... : 0.83 (ish/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 /> _____________________________________ ----------- <br /> Adjusted Fleet Production: 19.12 LCY/hr <br /> JOB COST -------____ <br /> Fleet size : 1 Dozer(s) Total Job Time: 17.43 Hours <br /> -------- ----------- <br /> Unit Cost : $2.233 /LCY Total Job Cost: $744.47 <br /> -------- ----------- <br />