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?W1 Consent Item Indian River County, Florida Department of Utility Services Board Memorandum Date: March 25, 2024 To: Indian River County Board of County Commissioners Through: John A. Titkanich, Jr., County Administrator Sean C. Lieske, Director of Utility Services From: Howard G. Richards, PE, Manager—Capital Projects Prepared by: Harrison Youngblood, PE, Utilities Engineer Subject: FDOT Utility Work by Highway Contractor Agreement for Utilities Relocation on CR-510/85th Street from CR -512 to 87th Street Descriptions and Conditions: The Florida Department of Transportation (FDOT) has plans to widen County Road 510 (CR -510) beginning at CR -512 to 58th Avenue. The approximately 5.22 miles of existing two-lane roadway will be widened to a four - lane roadway divided with curb and gutter. The proposed roadway improvements will include drainage structures in the form of curb inlets approximately every 500 linear feet. The Indian River County Department of Utility Services (IRCDUS) owns and operates two large water and wastewater mains within the existing CR -510 right-of-way (ROW). Specifically, there is a 12 -inch PVC force main along the south side and a 16 -inch water main along the north side of CR -510. The force main conveys domestic wastewater from multiple locations including Sebastian River High School, Treasure Coast Elementary, parts of Sebastian and flows generated within the City of Fellsmere. The water main provides potable water to these same locations including Vero Lake Estates, provides looped water service and is a major transmission main used for fire flow purposes. On February 28th, 2020, the Indian River County Board of County Commissioners (BCC) entered into two (2) separate Utility Design by FDOT Consultant Agreements for the design phase of CR-510/85th Street from West of 82nd Avenue to 58th Avenue and CR-510/85th Street from CR -512 to West of 82nd Avenue. Analysis: During the design phase of the project many conflicts arose regarding the extension of the proposed reuse line from 66th Ave to CR -512 along the CR -510 corridor. Most of the reuse main conflicts were denoted on the portion of the project where CR -510 changes direction from an easterly/westerly roadway to a north/south roadway. To mitigate the conflicts that arose around the extension of the reuse main, IRCDUS requested that the reuse extension of the project stop just east of the Treasure Coast Elementary school 245