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~lorado Division of Minerals and Geology • <br />ESTIMATING FORM - BULLDOZER 110RK <br />Task #: 2 Prep. by: YHE Task File Name: N013-2 <br />Date: 05/28/98 Permit #:M-83-013 Mine: Latham Burkett Pit <br />Permit Action: General 112 bond recalculation. <br />Task Description: Rip 8 Grade 13 ac Multi-Purpose Area <br />HWRLY EQUIPMENT COST <br />______________ ______ Basic Machine: Cat D8N Horsepower: 285 <br />Blade Type: SEMI-UHI VERBAL -------- <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 = 543.36 ~ N/A <br />Operating 8 overhaul cast/hr- dozer = 555.03 100 <br /> -ripper = 51.75 25 <br />Operator cost/hr = 523.12 N/A <br />Total egpt. unit cost/hr = 5123.26 Total fleet cost/h r: <br />-------- 5123.26 <br />-------- <br />MATERIAL QUANTITIES <br />___________________ <br />___________________ <br />Initial <br />SweLL <br />Loose <br />Volume: 20,973.0 LCY ~ Factor: N/A Volume: 20,973.0 LLY <br />Source of quantity take-off: (43560sgf t/ac )(13ac )(1'D) / 27 = 20973 cy <br />Source of est. swell factor: NA <br />HOURLY PRODUCTION <br />_________________ Job Condition Correcti on Factors <br />Avg• push distance: 50 ft. ---------------------- ---------- <br />-------- - Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 1.00 (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 />Consolidated siockpiLe Spoil pile factor. 0.80 (fnd-rf) <br />---------------------------- --------- Push gradient..... 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 % (pos) Altitude deration. 1.00 (cat tbl) <br />-------- - Material weight... 0.79 (Cat thl) <br />Avg. site altitude: 4900 ft. Blade type........ 1.00 (S or U) <br />Material weight 2900.00 lb/LCY Net Job Correction 0.39 <br />Mat. Desc r.: -------- - - ---------- <br />Sand 8 gravel Dry Adjusted Unit Prod.: 465.69 LCY/hr <br /> Adjusted Fleet Production: 465.69 LCY/hr <br />JOB COST - ---------- <br />Fleet size 1 Dozers) Total Job Time: 45.04 Hours <br />Unit Cost 50.265 /LCY Total Job Cos[: 55,551.15 <br />