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INDIAN RIVER COUNTY, FLORIDA BOARD MEMORANDUM CONSENT 8H TO: Joseph A. Baird, County Administrator THROUGH: Christopher R. Mora, P.E., Public Works Director ONeNe"--- Christopher J. Kafer, Jr., P.E., County Engineei Michael D. Nixon, P.E., Roadway Production M .,' a er,t/ FROM: Etienne B. Bourgeois, P.E., Project Engineer SUBJECT: 66th Avenue and CR 510 Intersection Improvements — Amendment No. 6 IRC Project No. 0546 DATE: June 24, 2014 DESCRIPTION AND CONDITIONS In 1995, the widening of 66th Avenue, from 2 -lanes to a 4 -lane divided roadway, was added to the Indian River County Long Range Transportation Plan. In 2005, a design contract was awarded to Kimley-Horn & Associates, Inc., and was amended in 2006 to include the segment of 66th Avenue between north of 57th Street and the City of Sebastian City limits, and CR 510 between west of 75" Court and 61st Drive. In March 2007, Kimley-Horn & Associates, Inc. completed 60% design drawings and their contract was amended to include a corridor study. The corridor study limits included 66th Avenue from north of 57th Avenue to the Sebastian city limits and evaluated the intersection of Barber Street and Schumann Drive in Sebastian. In April 2012, the Board of County Commissioners approved a revised corridor study that excluded improvements within the Sebastian city limits, following the Sebastian City Council's decision not to proceed with improvements to the intersection of Barber Street and Schumann Drive. The Florida Department of Transportation (FDOT) recently informed County MPO staff that County Incentive Grant Program (CIGP) funding has become available in the amount of $2,111,966 for the construction of this project. Staff believes that by dividing the project limits into phases, the construction plans, specifications, and right-of-way acquisition can be completed in accordance with FDOT's required timeframe. Amendment No. 6 adjusts the project limits, project description, and the scope of services for Kimley-Horn & Associates, Inc. to prepare construction documents for phased construction. Amendment No. 6 removes the design of improvements from the Barber Street and Schumann Drive intersection from the scope of work and adds the work necessary to create a new construction plan set for the expansion of the 66th Avenue and CR 510 intersection (Phase 1). The limits of the Phase 1 improvements include approximately 2,500 feet of widening/ transitions on the north, south, and west approaches, and approximately 2,850 feet of widening/ transitions on the east approach. Phase 1 will also include the Traffic Signal design for the 66' Avenue and CR 510 intersection. Amendment No. 6 also includes the work required to modify the current construction plans to show the Phase 1 improvements as existing features and designing the tie-ins (Phase 2). 76