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Indian River County, Florida * MEMORANDUM roA 9G Indian River County Administration Complex 1801 27th Street Vero Beach, Florida 32960 indianriver.gov File ID: 25-0855 Type: Consent Staff Report Meeting Date: 10/7/2025 TO: Indian River County Board of County Commissioners THROUGH: John A. Titkanich, Jr., County Administrator Sean C. Lieske, Director, Department of Utility Services Howard G. Richards, PE, Manager - Capital Projects FROM: Paola Talavera, Associate Engineer, Utility Services DATE: September 23, 2025 SUBJECT: Kimley-Horn and Associates, Inc. Work Order 22 for Facilities Electrical Improvements and Standby Power - IRCDUS Project ID 00.25.522 BACKGROUND Indian River County Department of Utilities Services (IRCDUS) owns and operates consolidated water production and distribution, wastewater collection and reclamation, and beneficial use reclaim water systems, that serve customers within the respective service boundaries. Each of these systems have major supporting facilities and infrastructure that are crucial for the daily operations of the utilities. Furthermore, the facilities rely on utility electrical power including IRCDUS-owned electrical equipment to ensure operational reliability. IRCDUS has noted components of their electrical and emergency standby power infrastructure that require improvements to maintain reliability and resiliency. ANALYSIS IRCDUS has noted deficiencies with the existing grounding and lightning protection at their major facilities. Thunderstorms are inherent to Southeast Florida and pose a threat to electrical infrastructure that is not adequately protected from lightning. As such, IRCDUS desires to quantify the deficiencies and remediation plan to enhance facility grounding infrastructure which will be outlined in a report that IRCDUS can subsequently utilize for the design, permitting and construction of necessary work. IRCDUS also desires to improve upon the standby emergency power conditions for each of their existing Upper Floridan Aquifer (UFA) well sites that serve the Hobart and Oslo Water Production Facilities (WPFs). Currently wells, S -IR, S-2 and S-3 receive standby emergency backup power from the Oslo WPF and well S - 4R has an emergency standby generator onsite. The remaining wells, S-5, S-6 and S-7 have plugs for portable generator hook-up. The Hobart WPF shares emergency standby power with seven (7) of the nine (9) total wells, with N-7 and N-9 powered from a remote FPL service with a plug for portable generator. IRCDUS desires to investigate alternatives to improve the reliability of emergency power setup for both north and south UFA wellfields to enhance their resiliency against outages. Indian River County, Florida Page 1 of 2 Printed on 10/2/2025 powe1e1 W LegistarTm