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Colorado Division of Minerals and Geology <br /> EST[MA TING FORM - BULLDOZER <br />____________________________ RIPPING <br />_______ <br /> ____________________________ <br />Task #: 1 Prep. by: ESC Tesk _______ <br />File Name; 0008x7 <br />• Da [e: 11/30/95 Permit #: C-81-008 Mine: Neu Horizon #T Mine -- - <br /> <br /> Permit Action: Midterm Review 1995 <br /> Task Description: Rip Remaining Roads on Site - <br /> HOl1R LY EQUIPMENT COST <br /> _____________________ Basic Machine: Ca[ D8N Horsepower: 285 <br /> BJade Type: SEMI-UNJVERSAL -------- <br /> Attachment #1: ROPS Ceb Shift Besis: 1/day <br /> Attachment #2: 1-shank r ipper --- <br /> Cos[/Hr Breakdown: Utilization X (code OSO) <br /> ----------- ounersh ip = 546.34 N/A <br /> operating/overhaul - dozer = 551.67 100 <br /> -ripper = 27.89 100 <br /> operator = 522.95 N/A <br /> Total egpt. unit cost/hr = 5128.85 Total fleet cos[/h r: 5728.85 <br /> MATERIAL QUANTITIES <br /> ___________________ Selected method :Area <br /> Sejsmic Load Bank ----------- <br /> method: N/A N/A Factor N/A Vol une N/A BCY <br /> Area _----__ -_~_ ~-_____ <br /> method: 3.00 Acres Rip Depth: 3.00 Volume 14,520 BCY or CCY <br /> Source of quantity take-off: Exhibit 12-2 <br /> ~ <br />Source of mat. Load factor: N/A u~'_T_-__-_ _______-_ <br /> HOURLY PRCOUCTION <br />_________________ <br /> _________________ <br />Seismic Method - Seismic velocity of material: <br />N/A feet/sec. <br /> ----------- - Unadj us [ed hourly production: N/A BCY or CCY/r.- <br /> Area Method - Avg. ripping depth per pass: 1.00 feet <br /> ----------- - Avg. ripping width per pass: 5.63 feet <br /> - Avg. ripping length per pass: 50.00 feet <br /> - Avg. velocity of machine - 88.00 feet/min. <br /> - Avg. machine maneuver time X0.25 minutes <br /> - Hourly prod. per unit area 0.474 acres/hr <br /> - Unadjus [ed hourly production: 764.57 BCY or CCY; <br /> Correction Factors -Unadjusted produc [ion = 764.57 BCY or CCY, <br /> ------------------ -Site altitude = 5,700 feet <br /> - Altitude adjustment = 1.00 (Cat tbl) <br /> - Job efficiency factor = 0.83 (1sh/day) <br /> - Net correction = 0.83 mJl ti plier <br /> - Adjusted production = 634.59 BCY or CCY <br /> - Flee[ production = 634.59 BCY or GCT. <br /> JOB COST =_______ <br /> fleet Size 1 Dozers) Total <br /> <br />__ Job Time: 22-: <br />4 <br />___________ <br />oUrs <br /> ____ <br />__ <br />Unit Cost - SO 203 /LCY Total Job Cost: _-52,948`25 <br />