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Colorodo Division of Xinerals and Geology <br />ESTIHA7ING FORM - BULLDOZER WORK <br />i <br />Task #: b Prep. by: ESC Tesk File Name: C00@Lb <br />Date: -11/30/95 Permit #:C-81-008 Mine: New Horizon #1 Mine <br />Permit Action: Midterm Review 1995 <br />Task Description: Regrade Sediment Pond 006 <br />HOURLY EoUI PMENT COST <br />-------------------= Basic Machine: La[ 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 />----------- Utilization % <br />ownership cost/hr = 546.34 H/A <br />Operating & overhaul cost/hr- dozer = 551.67 100 <br />-ripper = SO-00 0 <br />Operator cost/hr = 222.95 N/A <br />Total egpt. unit cost/hr = 5120.96 Total flee[ cost/h r: 5120.96 <br />I _:~ <br />• <br />L J <br />HATERIAL OUANTIT[ES <br />__________________________ <br />Initial Swell <br />Volume: 2,248.0 BCY Factor: <br />source of quantity take-off: 3.02.2 - <br />Loose <br />1.250 Volime: 2,810.0 LLY <br />Source of est. swell factor: CAT Handbook <br />HOURLY PROOUCTIOH <br />• _________________ Job Condition Correction Factors <br />Avg. push distance: 100 ft. --------------- ---- <br />- ----- - Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat, consistency.. 0.90 (Ca[ tbl) <br />dozer production: 803 LCY/hr Dozing method..... 1.00 (gen.) <br />- ----- - Visi bi litY........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (lsh/day) <br />~ Compacted fill or embankment Spoil pile factor. 0.70 (fnd-mf) <br />------------------ ------ --~--- Push gradient..... 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 X (pos) ALti [ude derati on. 1.00 (Ca[ [bl) <br />- ---- Material weight... 0.90 (Cat tbl) <br />Avg. site altitude: 5700 ft. Blade type........ 1.00 (S, SU,U) <br />Material weight 2550.00 lb/LCY Net Job Correction 0.35 <br />Mat. Descr.: - -------- ---------- <br />Earth - Dry packed Adj used Unit Prod.: 284.09 LCY/hr <br /> Adjus ted Fleet Production: 284.09 lCY/hr <br />JOD COST ---------- <br />Fleet size : 1 Dozers) Total Job lime: 9.89 Hours <br />Unit Lost E0.426 /LCY Total Job Cost: E1, 196.42 <br />