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132 cyc/hr <br />• 792 yd3/hr <br />910,00 yd3 = 518 hours <br />792 yd <br />loader costs <br />$66/hr x 518 hrs = $34,188 <br />Cbst of backfilling - <br />truck - $59,094 <br />loader - 34,188 <br />93,282 <br />Grading costs - use same assung~tions as for Section 22 <br />1 x 43,560 x 5.5 = 13,713 yd3 <br />27 <br />Use same production as before - 397 I~Y/hr <br />13,713 yd3 = 35 hours <br />397 LC1' <br />• <br />D9H costs <br />$53/hr x 35 = $1,855 <br />~bpsoil replacetmnt <br />Assunq~tions: 1) 8.5 acres to be topsoiled <br />2) topsoil to be redistributEd to a depth of 10" <br />3) for 8.5 acres 11,428 yd3 of topsoil rern ' ed <br />4) obtain topsoil fran stockpile #3 <br />5) haul distance 1800' <br />6) use a 631 D scraper <br />7) production - 250 yd3/hr <br />11,4 = 46 hours <br />250 yd /hr <br />• $75/hr x 46 hours = $3,450 <br />VIII-5 <br />