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~orado Division of Minerals and Geology • <br />ESi[MAT[NG FORM - BULLDOZER {A7RK <br />Task #: 2 Prep. by: WHE Task File Name: M089-2 <br />Date: 12/08/97 Permit #:M-97.089 Mine: Stone Gravel Pic <br />Permit Action: 112c application estimation <br />Task Description: Rip 8 grade process/stockpile area <br />HOURLY EOU[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 X <br />Ownership cost/hr 546.40 N/A <br />Operating 8 overhaul cos[/hr- dozer 551.67 100 <br />-ripper = 53.34 50 <br />Operator cost/hr 522.95 N/A <br />Total egpt. unit cost/hr = 5124.36 Total fleet cost/hr: 5124.36 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 5,938.4 LCY Factor: N/A Volume: 5,938.4 LCY <br />Source of quantity takeoff: 400.42' x 400.42' iJ 1' Depth <br />Source of est. swell factor: NA <br />HOURLY PRODUCTION <br />_________________ Job Condition Correct ion Factors <br />Av9• push distance: 50 ft. --------------------- ----------- <br />- ----- - Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl) <br />dozer production: 1180 LCY/hr Dozing method..... 1.00 (gen.) <br />- ------- - Visibility........ 1.00 (avg.) <br />Nateri al consistency: Job efficiency.... 0.83 (tsh/day) <br />Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf) <br />--------------------- ------- --------- Push gradient..... 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 X (pos) Altitude dera[ion. 1.00 (Cat tbl) <br />- ------- - Material weight... 0.87 (Cat tbl) <br />Avg. site altitude: 5880 ft. Blade type........ 1.00 (S, SU,U) <br />Material weight 2650.00 lb/LCY Ne[ Job Correction 0.39 <br />Mat. Descr.: - ------- - - ---------- <br />Decomposed rock - 25% Rock, 75X Earth Adjusted Unit Prod.: 458.66 LCY/hr <br /> Adjus ted Fleet Production: 458.66 LCY/hr <br />J08 COST - ---------- <br />Fleet size 1 Doz er(s) Total Job Time: 12.95 Hours <br />Unit Cost 30.271 /LCY Total Job Cost: 51,610.15 <br />