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f EXHIBIT A (SCOPE OF SERVICES) Proposal to Provide Professional Engineering Services for IRC Project No. 1638 — 6th Avenue Resurfacing Project US -1 to 21st Street Vero Beach, Indian River County, Florida ATKINS Indian River County (County) is proposing to improve the safety and operation of 6th Avenue from Highway US -1 to 2131 Street. Approximately 3,700 LF (0.7 miles) of the road (15th Place north to 21St Street) are within the city limits of Vero Beach, FL. The proposed improvements consist of milling and resurfacing the existing asphalt pavement, filing in sidewalk gaps, and upgrading pedestrian crossings to current FDOT standards. Included in the scope of services are survey and geotechnical services for roadway cores. The total length of roadway within the project area is approximately 10,560 LF (2.0 miles). The following are noted from the 8/29/2018 coordination meeting with IRC staff and follow up site visit with IRC staff on 9/11/2018: • Limited available right of way is expected to be a factor. • No lane or shoulder widening is to occur. • The use of shared lanes may be considered by IRC staff. • The limits of existing curbing are to remain unless needed for drainage. • The drop off near 12th Street may require drainage improvements to create an acceptable shoulder, however this is not a drainage project. Any drainage improvements are limited to what is required for the proposed sidewalk improvements. • Replace existing asphalt sidewalks with 6" concrete (with fibermesh). • Connect and fill in sidewalk gaps along the project area (east side 6th Avenue) from US -1 to 215t Street. • Replace damaged sidewalk panels and panels where vertical joint deflection exceeds ADA tolerances. • Upgrade pedestrian crossings at intersections to the current Indian River County PW/FDOT/ADA standards. • Maintain brick and concrete pedway crossings, but stamped asphalt pedway crossings are to be removed (during pavement milling) and replaced with stamped asphalt. • Include cross slope correction in typical section. • All traffic signals will remain span wire, no upgrades to mast arms. • Upgrade existing in -ground signal detection loops to video detection at two traffic signals (811' Street and 12th Street). • Provide an ITS fiber conduit for future use. • Include cost estimate in the scope of services, with breakdown for inside/outside city limits. At the request of the County, ATKINS (Consultant) has prepared a scope of services for providing engineering design and construction documents for the proposed roadway improvements as follows: February 14, 2019 Page 1 of 10