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~~ <br />Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLD02ER RIPPING <br />Task #: 9 Prep. by: RCO Task File Name: M021-9 <br />-_________- ________ _____________ <br />Date: 07/30/97 Permit #: M-81-021 Mine: Nest Sunday Mine <br />Permit Action: Final Reclamation <br />Task Description: Rip AlL Areas to be Drill Seeded <br />HOURLY EOUI PMENT COST <br />---------------------~ Basic Machine: Cat D9N Horsepower: 370 <br />Blade Type: SEMI-UNI VERSAL ---------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper ---------- <br />Cost/Hr Breakdown: Utilization ~ (code OSIi) <br />----------------- ownership = 548.37 N/A <br />operating/overhaul - dozer = E74.14 100 <br />-ripper = E7.69 100 <br />operator = E22.95 N/A <br />i oral eypt. unit cost/hr = E153.15 Total fleet cost/hr: E153.15 <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Seismic Load Bank ------------- <br />method: N/A N/A Factor N/A Volume N/q BLY <br />Area ___________ -______ ______--___ <br />method: 3.70 Acres Rip Depth: 1.50 Volume 8,954 BCY or CCY <br />Source of quantity rake-off: Calculated from Map, Insp. <br />Source of mat. load factor: N/A <br />NOUR LY PRODUCTION <br />_________________ <br />_________________ <br />Seismic Method - Saismic velocity of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 1.00 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 />- Nourly prod. per unit area 0.891 acres/hr <br />- Urtadj usted hourly production: 1,436.70 BCY or CLY/hr <br />Correction Faetore: -Unadjusted production = 1,436.70 BCY or CLY/hr <br />------------------- - Site altitude = 5,750 feet <br />- Altitude adjustment = 1.00 (Cat tbl) <br />- Job efficiency factor = 0.83 (1sh/day) <br />- Net correction = 0.83 multiplier <br />- Adjusted production = 1192.46 BCY or CCY/hr <br />- Fleet production = 1192.46 BCY or CCY/hr <br />JOB COST =_______ <br />Fleet Size 1 Doze r(s) Total Job Time: 7.51 Hours <br />Unit Cost E0.128 /L[Y Total Job Cost: E1, 149.99 <br />