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` ; CENTURY WEST <br />. <br />ENGINEERING CORPORATION <br />June 8, 1998 <br />Michael Hansen <br />Marion County <br />530 Center Street NE, Suite 312 <br />Salem, Oregon 97301-3670 <br />RE: Liu Remediation Costs <br />Dear Mike, <br />oa <br />I have reviewed your June 4, 19981etter summarizing remediation costs for the Liu pazcel at <br />Courthouse Square. Please review and comment on Century West's cost accounting; note that <br />we have made some assumptions on assigning costs shared by various "sites" on the block. <br />Century West: <br />Impacted Soil (1085 tons): <br />Field/lab <br />Report <br />Work Plan/Bid <br />Dewatering Support <br />Excavation/transportation <br />Disposal ($22.50/ton) <br />Non-impacted Soil (114 C~ Excavation/transportation <br />Disposal ($2 creditlC~ <br />On-site Dewatering (29,000 gallons) <br />Off-site Dewatering (15,350 gallons) <br />UST RemovaUMisc. <br />Total <br />Please call me if you have any questions. <br />Sincerely, <br />/~ <br />~ ` <br />Thomas B. Gainer, P.E. <br />Senior Envuonmental Engineer <br />$3,668 <br />$2,314 <br />$776 <br />34 <br />$13,975 <br />$24,413 <br />$1,261 <br />($228) <br />$4,572 <br />$5,066 <br />3 000 <br />$7,142 <br />52 9 <br />559,201 <br />825 NE Multnomah, Suite 425, Portland, Oregon 97232 <br />(503) 231~078 phone (503) 231-6482 fax <br />