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~lorado Division of Minerals and Geology • <br />ESTIMATING FORM - BULLDOZER LIORK <br />Task #: 5 Prep. by: SSS Task File Name: M033-5 <br />Date: 02/23/99 Permit #:M-86-033 Mine: Hess Pit <br />Permit Action: rouTi ne bond recalculation <br />Task Description: Replace 8" of topsoil aver regraded highwalls <br />HOURLY EQUIPMENT 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: 1-shank ripper --------- <br />Cost Breakdown: <br />--^----------- Uti li zaTi on % <br />Ownership costlhr = 644.14 NIA <br />Operating 8 overhaul cost/hr- dozer = E55.03 100 <br />-ripper = E0.00 0 <br />Operator cost/hr = E23.12 N/A <br />Total egpt. unit cost/hr = E122.29 Total fleet cost/h r: 8122.29 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 2,500.0 LCY Factor: N/A Volume: 2,500.0 LCY <br />Source of quantity take-off: Assume 2.3 acres covered u/8" of topsoil <br />Source of est. swell factor: N/A <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg. push distance: 250 ft. --------------------- ----------- <br /> -------- - Operator.......... 0.75 (avg.) <br />Unadjusted hourly Ma[. consistency.. 1.10 (Lat [bl) <br />dozer production: 354 LCY/hr Dozing method..... 1.00 (gen.) <br /> --------- Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (tsh/day) <br />Partly consolidated stockpile Spoil pile factor. 0.70 (fnd-mf) <br />-------------------- --------- -------- Push 9radi ent..... 1.60 (Cat tbl) <br />Avg. push gradient: 30.00 7. (neg) Altitude deraticn. 1.00 (Cat tbl) <br /> --------- Material weight... : 1.10 (Cat tbL7 <br />Avg. site altitude; 6600 ft. Blade type........ 1.00 (S or U) <br />Material weight 2100.00 lb/LCY Net Job Correction 0.84 <br />Mat. Descr.: --------- ----------- <br />Earth - Loam Adjusted Unit Prod.: 297.84 LLY/hr <br /> Adjus ted Fleet Production: 297.84 LCY/hr <br />JOB COST ----------- <br />Fleet size 1 Dozers) Total Job Time: 8.39 Hours <br />Unit Lost E0.411 /LCY Total Job Cost: E1, 026.48 <br />