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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 1 Prep. by: wHE Task File Name: M089-1 <br />_-__________ --_______ _________ <br />Date: 10/13/98 Permit #:M-97-089 Mine: Stone Gravel Pit <br />Permit Action: General 110c bond recalculation <br />_______________________________________________ <br />Task Description: Reduce highwall from O.SH: 1V to 3H: 1V, 800'L <br />HOURLY EOUI PMENT COST <br />____________________ Basic Machine: Cat D8N Horsepower: 285 <br />BLade Type: SEMI-UNIVERSAL --------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper --------- <br />Cost Breakdown: <br />-------------- Utilization % <br />Ownership cost/hr = E43.36 N/A <br />Operating 8 overhaul cost/h r- dozer = E55.03 100 <br />-ripper = E0.00 0 <br />Operator cost/hr = 523.12 N/A <br />Total egpt, unit cost/hr = E121.51 Total fleet cost/h r: E121.51 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 933.3 LCY Factor: N/A Volume: 933.3 LCY <br />Source of quantity take-off: Per attached drawing, "xi ghwall Reduction" <br />Source of est. sweLL factor: NA <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg• push distance: 50 f[. ------------------------- ------- <br />- -------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Ma[. consistency.. 1.20 (Cat tbl) <br />dozer production: 1180 LCY/hr Dozing method..... 1.00 (gen.) <br />- -------- Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (1sh/day) <br />Loose stockpile Spoil pile factor. 0.80 (fnd-rf) <br />--------------------- -------- -------- Push 9radi ent..... 1.33 (Cat tbl) <br />Avg. push gradient: 15.00 % (neg) Alti [ude deration. 1.00 (Cat tbl) <br />- -------- Material weight... 1.00 (Cat tbl) <br />Avg. site altitude: 5880 ft. Blade type........ 1.00 (S or U) <br />- <br />Material weigh[ -------- <br />2300.00 <br />lb/LCY ------------------------- <br />Net Job Correction ------- <br />0.79 <br />Mat. Desc r.: - -------- ---- ------- <br />GENERAL FILL Adjusted Unit Prod.: 936.47 LCY/hr <br />_____________________ ________ ________ ---- <br />Adjusted Fleet Production: ------- <br />936.47 <br />LCY/hr <br />JOB COST ---- ------- <br />Fleet size 1 Dozers) Total Job Time: 1.00 Hours <br />_ <br />Unit Cost _______ <br />E0.130 <br />/LCY ---- <br />Total Job Cost: ------- <br />5121.10 <br />