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4.1.D. - Page 1 <br /> RE PO RT <br /> To the Honorable Mayor and City Council <br /> From the Cit Mana er <br /> December 9, 2013 <br /> SUBJECT <br /> Amendment Number 2 to Agreement for Professional Services with WRECO for design <br /> and construction support services. <br /> RECOMMENDATION <br /> By motion, approve and authorize the City Manager to execute Amendment Number 2 <br /> with WRECO in the amount of $30,070.00 for an increase in the scope of services, <br /> including the provision for a cathodic protection design for the micropiles, revisions to <br /> the design of creek side retaining wall, easement dedication documents, and revisions <br /> to the power source for the electrical components of the project, result in a total <br /> agreement amount of $370,503.50. <br /> BACKGROUND <br /> On October 17, 2012 the City executed an agreement with WRECO for design and <br /> construction support services for the US101 Pedestrian Undercrossing Project (Bair <br /> Island Road to Convention Way). This project will provide a pedestrian link across <br /> Redwood Creek connecting Redwood City's inner harbor area and downtown. The <br /> original agreement was in the amount of $285,826. On January 14, 2013 the City <br /> executed an amendment with WRECO for environmental clearance documents for the <br /> Bair Island Road Storm Drain Pump Station and the development of a city-owned <br /> parcel. <br /> ANALYSIS <br /> The US101 Pedestrian Undercrossing Project is one element of the Blomquist Avenue <br /> Extension. Another element of the Blomquist Avenue Extension, presently in design, is <br /> the Bair Island Road Storm Drain Pump Station Relocation Project. <br /> The current scope of work for the US101 Pedestrian Undercrossing Project includes <br /> development of a bicycle/pedestrian path along Redwood Creek from Bair Island Road <br /> to Convention Way, including the development a city owned parcel adjacent to the <br /> project site. The development will incorporate a bicycle/pedestrian path, landscaping, <br /> and a creek overlook area. <br /> The scope of the engineering design services has been expanded. The geotechnical <br /> engineer recommended the use of steel micropiles to structurally support the joint-use <br /> path in bay mud conditions. The geotechnical engineer also identified highly corrosive <br /> soils in the project vicinity and recommended cathodic protection for the buried steel <br />