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<br /> <br />C I R C E S Cast Estimating Sof tua re <br />EARiHNORK FORM - BULLDOZER RIPPING <br />____________________________________ <br />____________________________________ <br />Agency or organization name Colorado Division Of Minerals 8 Geology <br />Task # 002 State Colorado Permit # :M-99-042 <br />Date 08/11/99 County Pitkin Abbr. :none <br />User ESC Site Uhite Banks Mine Filename :M042-002 <br />Permit/job action Rip Bench Areas Prior To Topsoil Replacement /~ <br />cask description - Jµs* ~ 1 ~ ~ ~d~`~ 0.~~ ( (fir p <br />-------- --~------t' =~ --- ~----- <br />------`-`-1~ ---------------- \ I a SFD <br />HOURLY EOUIPME NT COST Basic machine Ca[ DBN (1996) Horsepower 285 °t~s~„l <br />_____________________ Bfade type Semi~Uni versal ---------- Yb <br />Attachment #1 ROPS Cab Shift basis: 1/day <br />Attachment #2 3-shank ripper ---------- <br />Utilization % (CRG) <br />Cost/Hour Breakdown Ownership S/hour 543.01 NA <br />------------------- Operating 3/hour 554.94 100 <br />Ripper op.3/hour 37.00 100 <br />Operator 3/hour 823.12 NA <br />Total unit S/hour: 3128.06 Total fleet cost/hr 5128.06 <br />MATERIAL oUANTI1lE5 <br />_____________________ Selec [ed method Area <br />Seismic Load Bank ------------- <br />method NA NA factor NA volume NA BLY <br />Area _____________ ____-_____ _____________ <br />method 2.50 Acres Rip depth: 2.00 volume 8,067 BCY or CCY <br />Source of quantity rake-off DMG Estimate <br />Source of mat. Load (actor NA <br />HOURLY PRODUCTION <br />_____________________ <br />_____________________ <br />Seismic Method Material sei zmit vel otity NA feet/sec. <br />-------------- Unadjusted hourly prod. NA BCY or CCY/hr <br />Area Method Avg. rip depth per pass 2.00 feet <br />----------- Avg. rip width per pass 7.08 feet <br />Avg. rip length per pass 100.00 feet <br />Avg. velocity of machine 88.00 feet/min. <br />Avg. machine maneuver time: 0.25 minutes <br />Hourly prod. per unit area: 0.703 acres/hr <br />Unadjusted hourly prod. 2,269.73 BCY or CCY/hr <br />Correction Factors <br />JOB COS7 <br />Flee[ size <br />Unadjusted production 2,269.73 BCY or CCY/hr <br />Site altitude 6,800 feet <br />Altitude adjustment 1.00 (LAT HB) <br />Job efficiency factor 0.83 (15h/day) <br />Net job correction 0.83 multiplier <br />Adjusted hourly produtti on: 1,883.87 BCY or CCY/hr <br />Adjusted fleet production 7,883.87 BCY or CCY/hr <br />Total job time 4.28 Hours <br />Total jab cost 3548.36 <br />1 Dozers) <br />Unit cost 30.068 /LCY <br /> <br />