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r • <br /> r <br /> ESTIMATED DISPOSAL AND TRUCKING COSTS <br /> r <br /> Class 2 Soil <br /> Estimated Tonnage - 2,312 tons <br /> Estimated Truck Yardage - 1,485 cubic yards <br /> Estimated Disposal Cost - $43,114 <br /> Estimated Trucking Cost $9,000 <br /> Class 3 Soil \ <br /> Estimated Tonnage - 2,756 tons 7 cG A. <br /> Estimated Truck Yardage - 1,769 cubic yards <br /> Estimated Disposal Cost - $97,149 / <br /> Estimated Trucking Cost - $10,680 r �.s.et E <br /> odes . <br /> In addition to the uncertainties involved in estimating the volume and tonnage of the contaminated <br /> soil, it is our experience that precise segregation of "clean" soil and "contaminated" soil during <br /> excavation is difficult. Typically, some clean soil gets mixed with the contaminated soil, resulting <br /> in inflated volumes/tonnage of contaminated soil. In addition, the above disposal costs do not <br /> ' include Associated Earth Sciences, Inc. labor and laboratory costs associated with field screening <br /> and testing of soil during removal, or preparation a final cleanup report. For these reasons, we <br /> • recommend that a contingency equal to at leas 50 cent of the above-estimated disposal cost be <br /> considered for budgetary purposes. <br /> Associated costs, such as retaining wall demolition, shoring (if applicable), preservation or <br /> Irelocation of buried utilities, excavation, trucking, and restoration costs, have not been included in <br /> this estimate. A copy of our cost estimate calculations is attached. <br /> r <br /> Attachments: Cost Estimate Calculations <br /> Telephone Conversation Record <br /> r <br /> r <br /> r <br /> TJP/1d <br /> KV090168A4 <br /> Projects\20090168\KV\WP <br /> r3 <br />