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EXHIBIT A SCOPE OF WORK INDIAN RIVER COUNTY SOUTH COUNTY RESERVOIR SITE DUE DILIGENCE REVIEW AND OPINION OF PROBABLE COST This Authorization, when executed, shall be incorporated in and become part of the Continuing Contract Agreement for Professional Services between Indian River County (County), and CDM Smith Inc. (Consultant), dated December 6, 2011, and the Extension and Amendment of Continuing Contract Agreement for Professional Services, dated November 4, 2014, hereafter referred to as the Contract. Background The Indian River County Department of Utility Services (County) currently operates two reverse osmosis water treatment plants (WTPs) that are supplied by a total of 15 production wells (with a 16th well pending construction) constructed into the Upper Floridan Aquifer (UFA). The UFA is relied upon regionally by utilities in Central Florida for potable water supply and locally to supply agricultural operations with irrigation. For long-term planning purposes, the County has explored alternative water supply options such as surface water treatment, surficial aquifer wells, seawater desalination, and deep wells targeting the Boulder Zone Various studies and evaluations completed to date have resulted in the recommendation that the County pursue development of a surface water source, should an alternative supply be needed. The surface water withdrawals from a reservoir system would be intended to supplement limited future groundwater supplies traditionally used by the County. Managing the conjunctive use of these sources will result in improved water availability and reliability for the County. The County previously authorized CDM Smith Inc. (Consultant) to evaluate the feasibility of a reservoir system in the North County area. While the potential for such a system in the northern extent of the County has not been removed from consideration, a large parcel of property adjacent to the South County WTP has recently become available for purchase, and presents an alternative location that was not previously considered feasible for a reservoir. The subject property, located at 925 5`h Street SW, is an 83 -acre parcel. An adjoining additional 5 -acre parcel, under same ownership, is also being considered for purchase. The Consultant and County staff have determined that approximately 68 of the 83 acres could be usable for construction of the reservoir. The balance of the parcel and/or the additional 5 -acre parcel could be utilized for site access, maintenance, storage, parking, etc. County direction is for Consultant to assume that the 68 -acres is to be maximized for the reservoir footprint (no additional sizing efforts included in this scope of services). The County has requested that the Consultant assist in executing the due diligence efforts on the property prior to purchase. Specifically, the Consultant will evaluate the constructability of a reservoir system on this particular property (environmental considerations, permitting obstacles, geotechnical conditions, access, land use/zoning, etc.). In addition, the Consultant will prepare an Opinion of Probable Cost based on a conceptual/planning level design. The following Scope of Services summarizes the tasks necessary to complete this effort. A-1 jj1778.docx