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TABLE 3.9-1 RIPPING WORK -AREA METHOD Task 7 <br />TA K DESCRIPTION - Rip backfilled; rough graded areas <br />HOURL QUIPMENT COST <br />MACHINE AND MODEL - Cat D-8N w/ S Blade ATTACHMENTS 3•shank ripper <br />OWN SHIP COST/hr 46.40 <br />OPERAT G COST/hr 51.67 <br />ADJUSTME TS COST/hr 6.68 ripper <br />OPERATOR COST/hr 22.95 <br />MACHINE COST $127.70 <br />MATERIAL QUANTITIES <br />AREA METHOD (COMPACTED FILLS, PAVEMENT) <br />AREA TO BE RIPPED sgft <br />Main Munger Road 356,765 <br />Creek X'ings & T'soil Pile 28000 384765 Total <br />8.83 acres <br />VERIFICATION OF AREA - <br />HOURLY RIPPING PRODUCTION <br />RIPPING WIDTH <br />RIPPING DEPTH <br />PASS LENGTH <br />MACHINE VELOCITY <br />MANUVER TIME <br />CYCLE TIME <br />AREA/CYCLE <br />HOURLY PRODUCTION (50/1.95)' 1 <br />(@ 50 min / hr) <br />JOB TIME <br />AREA TO BE RIPPED <br />NUMBER OF DOZERS <br />ADJUSTED RIPPING RATE <br />TOTAL JOB TIME <br />JOB COST <br />• <br />TOTAL JOB TIME <br />TOTAL MACHINE COST <br />COST/UNIT AREA <br />TOTAL JOB <br />$181 <br />from Figures 3.1-2, 3, & 4 <br />10.5 FEET <br />2 FEET <br />150 FEET <br />88 FT/MIN <br />0.25 MIN <br />1.95 MIN <br />1,575.00 SOFT <br />= 40,384.62 SOFT/HR <br />384,765 sgft <br />1 <br />40,385 sgft/hr <br />9.53 hours <br />9.53 HOURS <br />$127.70 $MR <br />>T $1,216.66 <br />PER ACRE <br />Mu Vol I Page - 8 ~ 8/30/96 <br />