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. Consent Item Indian River County, Florida Department of Utility Services Board Memorandum Date: January 27, 2024 To: 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 Subject: Change Order to Hinterland Group, Inc. for Construction of Lift Station #5 Improvements IRCDUS Project ID: 21.23.504 Background: Lift Station #5 (referred to as Indian River Estates) was originally constructed and put into service in 1986. The station has had minimal upgrades since that time, leaving a necessity to not only increase the capacity of the station for additional flow from development in the area, but also upgrades to conform with current electrical, regulatory, and Indian River County Department of Utility Services (IRCDUS) standards. On March 23, 2023, the Board of County Commissioners (BCC) approved an agreement with Griffon Residences, LLC, dba Crest Griffon, LLC, for the cost sharing for the Construction of Lift Station #5 Improvements (IRCDUS Project ID 21.23.504). Lift Station #5 serves the Griffon development and Indian River Estates Adult Community Total Services (ACTS) development on the adjacent property. Under the agreement, the total cost of Lift Station #5 improvements is $202,163.39, of which the County's share is $42,000.00. On May 17, 2023, Purchase Order (PO) #96288 in the amount of $202,163.39 was issued to Hinterland Group (Hinterland) in accordance with their agreement awarded June 4, 2019, by the BCC resulting from bid 2019047. PO #96288 was issued for the construction of Lift Station #5 improvements per Hinterland's proposal. Analysis: In conjunction with the construction of Lift Station #5 improvements, it was planned for Florida Power & Light Company (FPL) to install a new main transformer to upgrade the station to three-phase 480V power, to accommodate upgrades to the lift station control panel and pumps. Due to delays by FPL to complete the transformer upgrade, the original schedule for Hinterland to complete construction was also delayed. To keep the collection system in operation to service Indian River Estates ACTS development, the lift station was placed on bypass while under construction, incurring daily charges for temporary bypass pumping. The FPL delays resulted in extended time and charges beyond what was originally included in PO #96288. To cover the additional charges necessary for continuity of the collection system operation Page 1 of 2 146