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<br />~ • Colorado Division of Minerals and Geolog• <br />ESTIMATING FORN - BULLDOZER NORK <br />Task #: f Prep. by: CLK <br />____________ _________ <br />Date: 04/10/96 Permit #:N-84.076 <br />____________ _________ <br />Permit Action: Retal culation of bond <br />Task Description: Cut down 30' highwalls <br />HOURLY EOUI PMENT COST <br />Task File None: M076-7 <br />Mine: Ddd Cley Mine <br />Basic Nachine: Cat DBN Xorsepower: 285 <br />Blade Type: SEMI-UNIVERSAL -------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: N/A -------- <br />Cost Breakdown: <br />-------------- utilization % <br />Ownership cost/hr = (40.05 N/A <br />Operating 8 overhaul cost/h r- dozer = 551.67 100 <br /> -ripper = 70.00 N/A <br />Operator cos[/hr = 522.95 N/A <br />Total egpt. unit cost/hr = f114.67 Total fleet <br />_ cost/h r: (229.33 <br />_____ <br /> <br />MATERIAL QUANTITIES <br />___________________ _______ ___ <br />___________________ <br />Initial <br />Swell <br />Loose <br />Volume: 17,187.0 CCY Factor: 7.125 Volume: 19,335.4 LCY <br />Source of quantity take-off: site area <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.. 1.00 (Cat tbl) <br />dozer production: 803 LCY/hr Dozing nethod..... 1.00 (gen.) <br />--------- Visibility........ 7.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (tsh/day) <br />Consolidated stockpile Spoil pile factor. 0.90 (ssd-f c) <br />----------------------------- -------- Push gradient..... 1.35 (Cat tbl) <br />Avg. push gradient: 76.00 X (nag) Altitude deration. : 7.00 (Cat tbl) <br />--------- Materiel weight... 1.00 (Cat tbl) <br />Avg. site altitude: 5200 ft. Blade type........ 1.00 (S, SU,U) <br />Material weight 2300.00 lb/LCY Net Job Correction 0.76 <br />Mat. Desc r.: --------- --- -------- <br />GENERAL FILL Adjusted Unit Prod.: 606.99 LCY/hr <br /> Adjusted Fleet Production: 1273.97 LCY/hr <br />JOB COST --- -------- <br />Fleet size : 2 Dozers) Total Job Time: 15.93 Hours <br />Unit Cost 50.189 /LCY Total Job Cost: 53,652.63 <br />