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C I R C E S Cost Estimating Softua re • <br />EARIHWORK FORM - BULLDOZER WORK <br />____________________________________ <br />Agency or organization name Colorado Division Of Minerals 8 Geology <br />Task # 001 State Colorado Permit # :M~99-042 <br />Date 08/11/99 County Pi [kin Abbr. :none <br />User ESC Site White Banks Mine Filename x042-001 <br />Permit/job action Neu 110(2) Permit <br />Task description Grade Portal Bench <br />HOURLY EQUIPMENT COST Basic machine Cat D8N (1996) Horsepower 285 <br />____________________= Blade [YPe Semi-Universal ---------- <br />Attachment #1 ROPS Cab Shift basis: 1/day <br />Attachment #2 3-shank ripper ---------- <br />Utilization % (CRG) <br />Cost 8reakdoun Oune rship 5/hour 543.08 NA <br />-------------- Operating E/hour E5G .94 100 <br />Ripper op.5/hour 50.00 0 <br />Operator 5/hour 523.12 NA <br />Total unit S/hour: 5121.13 Total fleet 5/hour 5121.13 <br />MATERIAL QUANTITIES <br />_____________________ <br />_____________________ <br />Initial Swel( Loose <br />volume 741 CCY factor 1.215 volume 900 LCY <br />Source of quantity take-off Operator Estimate <br />iL i <br />____________________________________________________ <br />Source of est. swell factor CAT Handbook- 75% rack 25X dirt <br />____________________________________________________ <br />HOURLY PRODUCTION <br />_________________ Job Condition Correction Factors <br />Avg. push distance 50 ft. --------------------------------- <br />--------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat, consistency.. 0.90 (CAT HB) <br />dozer production 1180 LCY/hr Dazing method..... 1.00 (gen.) <br />--------- Visi bilitY••••~•~~ : 1.00 (avg.) <br />Material consistency description Job efficiency.... 0.83 (tsh/day) <br />Compacted fill or embankment Spoil pile factor. 0.70 (fnd-mf) <br />------------------------ ---------Push gradient..... 0.30 (CAT NB) <br />Avg. push gradient - 30.00 X pos) Altitude deration. 1.00 (CPT HB) <br />Material weight... 0.70 (CAT HB) <br />Avg. site altitude 6,800 ft. Blade type........ 1.00 (S or U) <br />_____---_ _________________________________ <br />Material weight 3,300 lb/LCY Net jab correction 0.08 <br />Mat. description --------- ------------- <br />Decomposed rock - 75X Rack, 25% Earth Adjusted unit prod.: 96.07 LCY/hr <br />Adjusted fleet production 96.07 LCY/hr <br />JOB COST ------------- <br />Fleet size 1 Dozers) Total job time 9.37 Hours <br />Unit cost 51.261 /LCY Total job cost 51,135.27 <br />