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~~ <br />Colorado Division of Minerals and Geology <br />EST 1MAl1NG FORM - BULLDOZER NORK <br />Task #: 4 Prep. by: RCO Task File Name: M021-4 <br />Date: 07/30/97 Permit #:M-81-021 Mine: Nest Sunday Mine <br />Permit Action: Final Reclamation <br />Task Description: Laver Building Foundations and Ore Pile Area <br />HOURLY EOUI PMENT DOST <br />Basic Machine: Cat D9N Hors epower: 37C <br />Bl ade Type: SEMI-UNIVERSAL --------- <br />Attac hment #1: ROPS Cab Shif t Basis: 1/day <br />Attac hment #2: 3-shank ripper --------- <br />Cost Breakdown: <br />-------------- Utilization X <br />Ownership cost/hr = 848.37 N/A <br />Operating 8 overhaul cost/h r- dozer = 874.14 100 <br /> -ripper = 80.00 0 <br />Operator cost/hr = 822.95 N/A <br />' Total egpt. unit cost/hr = 8145.46 Total fleet cost/h r: 8145.46 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 950.0 CCY Factor: 1.125 Volume: 1,068.8 LCY <br />Source of quantity take-off: Calculat ion from Insp./Map <br />Source of est. swell factor: program <br />________ <br />_________________________ <br />_________ <br />_________ <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg, push distance: 200 ft. ------------------------- ------- <br />-------- - Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl) <br />dozer production: 660 LLY/hr Dozing method..... 1.00 (gen.) <br />-------- - Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (1sh/day) <br />Compacted fill or embankment Spoil pile factor. 0.70 (fnd-mf) <br />---------------------------- --------- Push gradient..... 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 % (pos) Altitude derati on. 1.00 (Cat tbl) <br />-------- - Material weight... 0.70 (Cat tbl) <br />Avg. site altitude: 5750 ft. Blade type........ 1.00 (S,SU,U) <br />Material weight 3300.00 lb/LCY Net Job Correction 0.27 <br />Mat. Desc r.: -------- - ---- ------- <br />Decomposed rock - 75X Rock, 25X Earth Adjusted Unit Prod.: 180.23 LCY/hr <br /> Adjusted Fleet Production: 180.23 LCY/hr <br />J08 COST ---- ------- <br />Fleet size 1 Dozers) Total Job Time: 5.93 <br />___ <br />__ Hours <br />___-____ <br />Unit Cost 80.807 <br />/LCY ___- <br />Total Job Cost: - <br />- <br />8862.61 <br />