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ATTACHMENT 2 FOURTH AMENDMENT TO AGREEMENT This Fourth Amendment to Agreement("Fourth Amendment") is entered into this 17th day of December, 2013,by the City of Pleasanton("City") and BKF Engineers ("Consultant") Whereas, on September 7, 2010 the City and Consultant entered into an Agreement for Professional Services ("Agreement") for the Bernal at I-680 Interchange project (Agreement 10-685C); and Whereas, on December 16, 2011 the City and Consultant entered into a First Amendment to the Agreement for Professional Services to extend the contract expiration date to December 31, 2012; and Whereas, on March 28, 2013 the City and Consultant entered into a Second Amendment to the Agreement for Professional Services to extend the contract expiration date to December 31, 2013; and Whereas, on December 4, 2013 the City and Consultant entered into a Third Amendment to the Agreement for Professional Services to expand the work plan to include an initial archaeological test program prior to the start of construction; additional survey and design work to revise the plans, specifications and estimates due to the expansion of the work plan; services during the advertising and bidding period to respond to questions from contractors and assist the City in preparing contract addenda as needed; and extend the contract expiration date to December 31, 2014; and Whereas,the project work plan was expanded and will require structural and geotechnical consultation, and additional design details to finalize the plans, specifications and estimates for the landscape and gateway elements for the I-680 at Bernal Avenue Interchange; process and obtain a Caltrans encroachment permit rider to construct the landscaping and gateway elements; and assistance is required during the advertising and bidding period in order to respond to questions from the contractors, and assist City staff in preparing contract addenda; and Whereas,the parties desire to amend to the Agreement; Now, therefore, the parties agree as follows: 1. Section 1 of the Agreement is amended to expand the work plan for the I-680 at Bernal Avenue Interchange to finalize the plans, specifications and estimates for landscape and gateway elements; process and obtain a Caltrans encroachment permit rider to construct the landscaping and gateway elements; and provide services during the advertising and bidding period to respond to questions from contractors and assist the City in preparing contract addenda as needed. 2. Section 4 of the Agreement is amended to increase compensation by$77,000, for a total compensation amount of$449,066. 3. All other terms and conditions of the Agreement shall remain in full force and effect. BKF Engineers Fourth Amendment Page 1