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~ •rado Division of Minerals and GeoLagy • <br />ESTIMATING FORM - BULLDOZER RIPPING <br />~', Task #: 3 Prep. by: SSS Task File Name: M002-3 <br />Date: 11/04/98 Permit #: M-79-002 Mine: North Delta Pit <br />Permit Action: Routine Bond Recalculation <br />Task Description: Rip Facilities area prior to topsoil placement <br />i <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat D9N Horsepower: 370 <br />Blade Type: SEMI-UNIVERSAL ---------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper ---------- <br />Cost/Hr Breakdown: Utilization X (code OSU) <br />----------------- ownership = 844.47 NIA <br />operating/overhaul - dozer = 578.89 100 <br />-ripper = E8.06 700 <br />operator = 823.12 N/A <br />', Total egpt. unit cost/hr = 5155.03 Total fleet cost/h r: E310.07 <br />____-____ _________ <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Seismic Load Bank ------------- <br />meChod: N/A N/A Factor N/A Volume : N/A BCY <br />Area ___________ _______ ___________ <br />method: 7.00 Acres Rip Depth: 2.00 Volume 22,587 BCY or CCY <br />Source of quantity take-off: Assume lac. facilities area <br />Source of mat. load factor: N!A <br />HOURLY PRODUCTION <br />Seismic Method - Seismic velocity of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or LLY/hr <br />Area Neth od - Avg. ripping depth per pass: - 2.00 feet <br />----------- - Avg. ripping width per pass: 7.67 feet <br />- Avg. ripping length per pass: 500.00 feet <br />- Avg. velocity of machine 88.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod, per unit area 0.891 acres/hr <br />- Unadjusted hourly production: 2,873.39 BCY or LLY/hr <br />Correction Factors -Unadjusted production = 2,873.39 BCY or CCY/hr <br />------------------ -Site aLti tude = 4,940 feet <br />i - Altitude adjustment = 1.00 (Cat tbl) <br />- Job efficiency factor = 0.83 (1sh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production = 2384.92 BCY or CCY/hr <br />- Fleet production = 4769.83 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 2 Dozers) Total Job Time: 4.74 Hours <br />Unit Cost 80.065 /LCY Total Jab Cost: 57,468.27 <br />