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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 1 Prep. by: SLB Task File Name: C017-1 <br /> Date: -93 <br /> 4 Permit #:C-81-017' Mine: Coal Basin Mines ry <br /> Permit Action: N/A <br /> 7 Task Description: Backfill Mine #1 Entry 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 W) <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 /> -------- -------- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 533.3 BCY Factor: 1.250 Volume: 666.7 LCY <br /> ------------ ---------- ------------- <br /> Source of quantity take-off: Assume 4 12' X 12' portals, 25' of backfiLL <br /> --------------------------------------------------- <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: 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 /> --------- ________________________________ <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: 34.87 Hours <br /> ________ ----------- <br /> Unit Cost . $2.233 /LCY Total Job Cost: $1,488.93 <br />