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' Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task N; 3 Prep. by: CLK Task File Nana: M020-3 <br /> Dater 07/24/95 Permit N:M-80.020 Mine: Braley Sand i Gravel <br /> Permit Action: Re-estimate bond <br /> ------- <br /> - _..---------- <br /> Task Description: Grade gravel d concrete piles <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8N Horsepower: 285 <br /> Blade Type: SE141-UNIVERSAL --------- <br /> Attachment (I1: ROPS Cab Shift Basis; 1/day <br /> Attachment Y2: N/A <br /> Cost Breakdown: <br /> Utilization % <br /> Ownership cost/hr = $40.05 N/A <br /> Operating d, overhaul cost/hr- dozer - S51.67 100 <br /> -ripper = $0.00 N/A <br /> Operator cost/hr = S22.95 N/A <br /> Total egrt. unit cost/hr = $114.67 Total fleet cost/hr: $229.33 <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> Volume: 11,600.0 BCY Factor: 1.667 Volume: 19,333.3 LCY <br /> Source of quantity take-off: site figures <br /> Source of est. swell factor: ref.^ <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 75 ft. -------------------- <br /> __-_-_- Operator.......... : 0.75 (avg.) <br /> Unadjusted hourly Mat. consistency.. : 0.80 (Cat tbl) <br /> dozer production: 957 LCY/hr Dozing method..... : 1.00 (gen.) <br /> ------- Visibility........ : 1.00 (avg.) <br /> Material consistency: Job efficiency.... : 0.83 (1sh/day) <br /> Rock, well ripped or blasted Spot( pile factor. : 0.80 (ssd-oc) <br /> Push gradient..... ; 1.00 (Cat tbl) <br /> Avg. push gradient: 0.00 % (neg) Altitude deration. 1.00 (Cat tbl) <br /> -------- Material weight... 0.70 (Cat tbl) <br /> Avg. site attitude: 6000 ft. Blade type........ 1.00 (S,SU,U) <br /> --------- -------------------------- <br /> Material weight : 3300.00 lb/LCY Net Job Correction : 0.28 <br /> Mat. Descr.: --------- ---------- <br /> Decomposed rock - 75% Rock, 25% Earth Adjusted Unit Prod.: 265.23 LCY/hr <br /> -----------M----------------­ __--_-__- <br /> Adjusted Fleet Production: 530.46 LCY/hr <br /> JOB COST --------- <br /> Fleet size : 2 Dozer(s) Total Job Tine: 36.45 Hours <br /> Unit Cost . $0.432 /LCY Total Job Cost: $8,358.26 <br /> _ - <br />