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<br />~lorado Division of Ninerals and Geology • <br />_________________________________________ <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 3 Prep. by: WHE Task File Name: M201-3 <br />Date: 07/22/98 Permit #:M-80-201 Mine: O'Bannon Pit <br />------------ --------- ------------------- <br />Permit Action: General 112 bond recalculation. <br />Task Description: Rip 8 grade 7 ac a 0.5' depth <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat D8N Horsepower: 285 <br /> Blade Type: SEMI-UNIVERSAL --------- <br /> Attachment #1: ROPS tab 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 cost/h r- dozer = 555.03 100 <br /> -ripper = 53.50 ~ 50 <br />. Operator cost/hr = 523.12 N/A <br />Total egpt. unit cost/hr = 5125.01 Total fleet cost/h r: 8125.01 <br />MATERIAL QUANTITIES <br />___________________ <br />___________________ <br />Initial <br />Swell <br />Loose <br />Volume: 5,646.7 L <br />_____ CY Factor: N/A Volume: 5,646.7 LCY <br />-____-- <br />Source of quantity ta <br />ke-off: ________-- <br />(43560 sf/ac)(7 ac)(0.5'D) = ------------- <br />5646.67 cy <br />Source of est. swell factor: NA <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg• push distance: SD 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 />Material consistency: Job efficiency.... 0.83 (1sh/day) <br />Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf) <br />--------------------- ------- --------- Push 9radi ent. .~..~. 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 X (pos) Altitude deration. 1.00 (Cat tbl) <br />- ------- - Naterial weight... 1.00 (Lot tbl) <br />Avg. site altitude: 8000 ft. Blade type........ 1.00 (S or U) <br />Material weight 2300.00 lb/LLY Net Job Correction 0.45 <br />Mat. Desc r.: - ------- - ----------- <br />GENERAL FILL <br />- <br />- <br />-- <br />--- <br />- <br />- <br />- Adjusted Unit Prod. : 528.46 LLY/hr <br />--- <br />- <br />--- <br />- <br />- <br />---- ---- <br />- --------- <br />Adjus <br />ted FLeef Production ----------- <br />: 528.46 <br />LCY/hr <br />JOB COST ----------- <br />Fleet size 1 Doze r(s) Total Job Time : 10.69 Hours <br />_ <br />Unit Lost ___-___ <br />50.237 <br />/LCY <br />Total Job Cost --------___ <br />: 51,335.75 <br />