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EXHIBIT "A" <br /> l arth Investigations Consultants <br /> <br /> August 24, 1997 <br /> <br /> Redwood City Community DevelopmentServices <br /> <br /> Engineering and Construction <br /> 1020 Middlefield Road <br /> Redwood City, California 94064 <br /> <br /> CITY OF REDWOOD CiTY <br /> Attention: Mr. Phong Du, P.E. ENGINEERING&CONSTRUCTION <br /> <br /> RE: PROPOSAL FOR GEOTECHNICAL SERVICES <br /> Jefferson Avenue and Madison Avenue Sewer Main <br /> Replacement Project <br /> Redwood City, California <br /> <br /> Ladies and Gentlemen: <br /> <br /> INTRODUCTION <br /> <br /> Site Location and Proposed Proiect <br /> <br /> Pursuant to your request, we have prepared this Proposal to provide geotechnical <br /> observation and testing services for the proposed sewer main replacement project. <br /> The Jefferson Avenue segment is between Lancaster and Topaz Streets, including <br /> Topaz Street. The Madison Avenue segment is located between Topaz Street and <br /> Hudson Street, and includes Hudson Street. <br /> <br /> From the proposed plans (Sheets 1-13, approved date of July 29, 1997), and the <br /> Contract Document (approved date of July 28, 1997) we understand that <br /> geotechnical laboratory soil index testing and field observation and trench backfill <br /> compaction testing services are required for the following sewer main replacement <br /> trench segments: <br /> <br /> · 376 Linear Feet of 18-inch PVC Sanitary Sewer Main to Replace Existing 12- <br /> inch VCP Sanitary Sewer <br /> <br /> · 460 Linear Feet of New 15-inch Sanitary Sewer Main <br /> <br /> · 3111 Linear Feet of New 15-inch PVC Sanitary Sewer to Replace Existing 6- <br /> and 8-inch VCP Sanitary Sewer <br /> <br /> Geologists & Engineers <br />505 Tunnel Ave., Suite 6 · P.O Box 673 · Brisbane, CA 94005 · (415) 467-6645 · FAX (415) 467-7707 <br /> <br /> <br />