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• Colorado Division of Minerals end Geolog~ <br />ESTIMATING FORN - BULLD02ER 1K)RK <br />Task #: 3 Prep. by: BLP Task File Name: X219-3 <br />Date: 07/22/96 Permit #:X-96-219 Mine: Cottonwood Lend <br />Permit Action: not <br />Task Description: regrade drillpads 8 access roads <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat D7N SERIES 11 Xorsepower; 215 <br /> Blade Type: UNIVERSAL ---------~ <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: 3-shank ripper ---------~ <br />Cost Breakdown: <br />-------------- Uti Lization X <br />Ownership cost/hr = (38.70 N/A <br />Operating 8 overhaul cost/h r- dozer = f37.95 100 <br /> -ripper = 50.00 0 <br />Operator cost/hr = f22.95 N/A <br />Total egpt. unit cost/hr = 599.59 Total fleet <br />------ cost/hr: f99.59 <br />-------- <br />MATERIAL QUANTITIES <br />___________________ -- <br />___________________ <br />Initial <br />Svell <br />Loose <br />Volume: 38,875.0 BCY Factor: 1.330 Volume: 5 1,703.8 LCY <br />Source of quantity ta ke-off: table 2 <br />Source of est. swell factor: cat handbook <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg, push distance: 100 ft. ------------------------- ------- <br />- -------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. ; 1.10 CCat tbl) <br />dozer production: 749 LCY/hr Dozing method..... 1.00 (gen.) <br />- -------- Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (1sh/day) <br />Partly consolidated s tockpile Spoil pile factor. 0.90 (ssd-fc) <br />--------------------- ---------------- Push 9radient..... 0.79 (Cat tbl) <br />Avg. push gradient: 10.00 X (pos) Altitude deretion. 1.00 (Cat tbl) <br />- -------- Material weight... 0.79 (Cat tbl) <br />Avg. site altitude: 7200 ft. Blade type........ 1.00 (S, SU, U) <br />Material weight 2900.00 lb/LCY Net Job Correction 0.38 <br />Mat. Desc r.: - -------- ---- ------- <br />Decomposed rock - 50X Rock, SOX Earth Adjusted Unit Prod.: 287.97 LCY/hr <br /> Adj us ed Fleet Production; 287.97 LCY/hr <br />JOB COST ---- ------- <br />Fleet size 1 Dozen(s) Total Job Time: 179.55 Hours <br />Unit Cost 50.346 /LCY Total Job Cost; f17, 881.53 <br />