Laserfiche WebLink
BIGGS CARDOSA <br />ASSOCIATES INC <br />STRUCTURAL ENGWEERS <br />167'1 The Aismecia, Suits 200 <br />San Joae, CAJ5126-1752 <br />Telephione 409-296-5595 <br />Facsimile 406-296-A194 <br />The City of Pleasanton <br />200 Old Bernal Avenue <br />Pleasanton, CA 94566 <br />Attention: Mr. Huy Ho <br />February 25, 2008 <br />Revised February 26, 2008 <br />Revised February 27, 2008 <br />2000134.6 <br />Subject: Extra Work Request <br />Second Bernal Avenue Bridge at Arroyo del Valle <br />Bernal Avenue Widening from Vineyard Avenue to Arroyo del Valle <br />Finalize Contract Documents and Construction Support Services for the Bridge <br />Dear Huy: <br />Biggs Cardosa Associates, Inc. is submitting the attached proposal to revise the contract <br />documents and provide construction support services for the proposed bridge widening at Bemal <br />Ave. The project noted above will involve the following scope ofwork: <br />FINALIZE CONTRACT DOCUMENTS (9090' & 10096 DESIGN) <br />A. Perform a field review. <br />B. Investigate the feasibility of completing the bridge construction, within the banks <br />of the river, between mid July 2008 and October 15, 2008. <br />C. Examine calculation, plans, and specials provisions and compare to cunrents <br />design codes. <br />D. Investigate and discuss with the City the changes that are necessary to update the <br />construction documents. <br />E. Revise Bridge plans and title sheet. Make minor revisions to the bridge plans to <br />reflect revisions in BCA bridge standards since 2002. Update plans to include the <br />revised utility conduits requested by the utility companies. Show the location of <br />PG&.E's 230kV underground electrical lines on the Bridge General Plan & <br />Foundation Plan sheets. <br />F. Review & update (if needed) the electrical plans due to changes in code. <br />G. Review & updatc the traffic signal, signing and striping plans. <br />H. Provide updates needed to the 1992 based Special Provisions. Compare the <br />sections having to do with the structural items of work in the current Bernal <br />Avenue special provisions to the 2006 SSP's {Standard Special Provisions}, and <br />add significant revisions to the structural items of work in the Bernal special <br />provisions. <br />°EXHIBIT A" <br />~cr.- <br />