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1 <br /> ORD-2024-041 <br /> ORANGE COUNTY <br /> BOARD OF COMMISSIONERS <br /> ACTION AGENDA ITEM ABSTRACT <br /> Meeting Date: November 19, 2024 <br /> Action Agenda <br /> Item No. 8-g <br /> SUBJECT: Sportsplex Ice Rink Cooling Tower and Chiller Replacement Contract Award and <br /> Approval of Budget Amendment #3-B <br /> DEPARTMENT: Asset Management Services, <br /> Finance and Administrative <br /> Services <br /> ATTACHMENT(S): INFORMATION CONTACT: <br /> 1. Construction Contract Angel Barnes, 919.245.2628 <br /> 2. Year-to-Date Budget Summary Jovana Amaro, 919.245.2651 <br /> Alan Dorman, 919.245.2658 <br /> PURPOSE: To: <br /> 1) Approve the County entering into a construction contract with Brady Services, Inc. for the <br /> construction of the Sportsplex Ice Rink Chiller and Cooling Tower Replacement; and <br /> 2) Authorize the County Manager to execute the Agreement, subject to final review by the <br /> County Attorney, and any subsequent amendments for contingent and unforeseen <br /> requirements up to the approved budget amount on behalf of the Board. <br /> 3) Approve Budget Amendment #3-B. <br /> BACKGROUND: In 1995, the Triangle Sportsplex was built, including an ice rink. The design and <br /> construction included a water-cooled chiller and a cooling tower to create and maintain the ice. <br /> The current chiller system utilizes ammonia, which is often found in older chillers used for ice <br /> rinks. However, this presents health and safety risks if ammonia is released due to equipment <br /> failure or maintenance mistakes. Furthermore, both the existing cooling tower and chiller system <br /> have exceeded their useful life, and ammonia is no longer supplied by major chiller manufacturers. <br /> The ice rink cannot function without the chiller continuously operating to maintain the ice, as the <br /> chiller pumps cold brine beneath the ice rink floor to create and preserve the ice. <br /> The recommended solution is to replace the ammonia chiller with an air-cooled chiller that can <br /> produce sufficiently cold water for ice-making. This single unit will replace both the cooling tower <br /> and the water-cooled chiller. The construction of this project is expected to take approximately <br /> four (4) weeks. During this time, the ice rink will be non-operational for a total of two (2) weeks, or <br /> no more than fourteen (14) days. The work involves adding a new concrete pad for the air-cooled <br /> chiller, installing new piping and connections inside the chiller room, and setting up pumps and <br /> electrical systems while the existing water-cooled chiller remains operational. After completing all <br />