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BIGGS CARDOSA <br /> ASSOCIATES INC <br /> STRUCTURAL ENGINEERS <br /> E31-3F5 Tf1,3 nI<_3rne:c..ie3 <br /> CA 95126-31:3:3 <br /> TE it f f or i 408-296-551 5 <br /> Facsirr He 408-296-8114 <br /> November 25,2013 <br /> Ms.Natalina V. Bernardi <br /> Principal/Vice-President <br /> BKF Engineers <br /> 4670 Willow Road,Suite 250 <br /> Pleasanton,CA 94588 <br /> SUBJECT: Bernal Avenue @ I-680 Interchange Improvement Project <br /> Structural Design of Gateway Features <br /> Dear Ms. Bernardi: <br /> This letter outlines the structural engineering design necessary for the gateway elements which include the <br /> vertical gateway monument and non-structural corten wall on the Bernal Avenue at I-680 Interchange <br /> Improvement Project(Project)in Pleasanton,CA. <br /> The foundation design for the gateway features requires structural,design details, and specifications. It is <br /> not anticipated that Caltrans Headquarters Office of Structure Procedures will be required for Caltrans <br /> approval and is excluded from this scope. It is assumed that the geotechnical information is limited to <br /> providing soil classification for use of UBC code allowances,and additional field exploration or reports are <br /> not required. <br /> Biggs Cardosa Associates proposes to complete the subject work for a time and materials cost total of <br /> $17,000. <br /> Please contact me if you have any questions or require additional information. <br /> Sincerely, <br /> Ines Li,PE <br /> Engineering Manager <br />