Laserfiche WebLink
Revision to Section 2.05.4 ~) <br />• <br />D-9 Dozer with "U" Blade rents for $139.36/hr. <br />877 dozer hours = 122,219 <br />Labor a: 7.5 hours/shift <br />3,509 + 877 = 4,386 machine hours <br />_ X84 shifts <br />or 4,678 manhcurs <br />4,678 manhours at $20/hr = $93,560 <br />summary of 6ackfilling Costs <br />Scrapers <br />Dozer <br />Labor <br />(3,509 hrs @ 185.21/hr) <br />(877 hrs @ 139.36/hr) <br />(4,678 hrs @ $20/hr) <br />= 649,902 <br />= 122,219 <br />_ 93,560 <br />865,681 <br />Reduction of Pit S~ooes <br />A total of 85,000 BCY will have to be dozed along the east and south <br />highwall. 35,000 yards must be moved along the east highwall and 50,000 BCY <br />along the south highwall. <br />From the Caterpiller performance handbook fora D-10 "U" blade, product- <br />ion is: <br />1~0 Ft. Push <br />Adjusted production factor 1,900 LCY/hr <br />Operator 0.75 <br />Material 0.80 <br />Visibility 0.80 <br />'ob Efficiency 0.84 <br />Side by Side Dozing 1.20 <br />Grade Fac':or 1.20 <br />Net Production 1,103 LCY/hr <br />East Wall <br />35,000 6CY x 1.172 swell = 41,020 LCY <br />41,020 LCY 1,103 LCY/hr = 37 machine hours <br />South Highwall <br />50,000 BCY x 1.172 = 58,600 LCY <br />58,600 1,103 LCY/hr = 53 machine hours <br />Revised September, 1984 <br />