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EXHIBIT A <br /> <br /> BROWN AND CALDWELL~ <br /> CONSULTING ENGINEERS <br /> <br />February 8, 1989 <br /> <br />Mr. Joseph Elliott <br />City of Pleasanton <br />200 Old Bernal Avenue 11-3826-01/1 <br />Pleasanton, California 94566 11-3826-01/6 <br /> <br />Subject: Special Engineering Services No. 5, <br /> Contract for Consultant Services, <br /> Preliminary Design Phase of Cross-Town <br /> Sanitary Sewer Interceptor <br /> <br />Dear Mr. Elliott: <br /> <br />As directed by you at our meeting on January 26, 1989, and as <br />directed by Garry Lee at other prior meetings, we are proceeding <br />with the completion of the subject project with the following <br />changes and additions: <br /> <br /> 1. Provide 35 additional copies of plans and specifications to <br /> the C i ty. <br /> <br /> 2. Provide 75 copies of the geotechnical reports prepared by <br /> Berlogar Geotechnical Consultants. <br /> <br /> 3. Make a preliminary investigation of Spirolite as an <br /> alternate pipe material and attend meetings with City <br /> staff · <br /> <br /> 4. Revise plans and specifications to include Spirolite as an <br /> alternate pipe material. <br /> <br /> 5. Field and respond to telephone and written requests from <br /> prospective bidders during bid. period. <br /> <br /> 6. Provide for construction staking within the next 12 months. <br /> <br /> The above changes are outside the scope of services to our Contract <br /> for Consulting Services, Preliminary Design Phase of Cross-Town <br /> Sanitary Sewer Interceptor, dated February 2, 1988, and subsequent <br /> amendment. We estimate that costs for the above changes in scope <br /> of services are as follows: <br /> <br /> MAILING: POST OFFICE BOX 8045 WALNUT CREEK, CALIFORNIA 94596-1220 <br /> STREE"P 3480 BUSKIRK AVENUE PLEASANT HILL, CALIFORNIA 94523-4342 · (415) 937-9010 · FAX: (415) 937-9026 <br /> <br /> <br />