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JUN 1 '90 07:54 CAO C( _TAL PrQ7Ecrs J p.a <br /> A. <br /> 83WESfMAMC'.NI1r.NEMay 24, 1990 . <br /> SUITE 12 <br /> 3TOCKTOu.OA 99207 <br /> �., r1IONE:(209)076-1035 - <br /> IMK5Cf144 MWWCKTT.OWXTAM <br /> Mr. Richard Calliotro <br /> Capital Projects Division <br /> San Joaquin County <br /> 222 E. Weber Avenue, <br /> Courthouse, Room 670 <br /> Stockton, CA 95202 <br /> Dear Mr. Callistro, <br /> Pursuant to your request, Roy F. WESTON, INC. (WESTON) is pleased <br /> to present an updated cost estimate for implementation of the Phase <br /> T1 Groundwater Investigation scope of work for the Human cervi^es <br /> Auildinq site in downtown Stockton as detailed in WESTON's <br /> Septembcr 26, 1969 Work Plan. WESTON had originally prepared an <br /> advisory estimate for your review in a letter dated September 28, <br /> 1989. The cost estimate, presented below, updates that preliminary <br /> estimate. <br /> The updated C!0�t estimate is the maximum cost which WESTON <br /> anticipates the full scope of work can be accomplished, based on <br /> reasonable accessibility to the drilling sites and average drilling <br /> conditions. <br /> As this estimate is based on the availability of certain key staff, <br /> the estimate should be considered good for SO days. Should your <br /> schedule require start-up beyond 90 days from the date of this <br /> Proposal, WESTON wishes to reserve the ricjhC to revise the <br /> estimate, if necessary, at that time. <br /> Cast 11rt.imata <br /> Labor <br /> senior Technical $ 4,670 <br /> Technical 13, 042 <br /> Support _ <br /> Total Labor $30,437 <br /> Expenses <br /> Chemical analyses £ 5,230 <br /> Drilling 9ubcontractur 15, 120 <br /> Permits and Inspection Fccc 1,405 <br /> Concrete Coring 16+5 <br /> Travel & per Diem 600 <br /> Soil Disposal 1,650 <br /> Miscellaneous Field 1,000 <br /> Miscellaneous Office 350 <br /> Total kxpenses $29, 62U <br /> Project Total $50, 057 <br /> Contingency (104 Labor) __R,043 <br /> Total Project Lstimate 5 <br />