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MOU - Ice Box Expansion Proj No. 123-036 – American Arena, LLC SB Youth Hockey, Inc.
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MOU - Ice Box Expansion Proj No. 123-036 – American Arena, LLC SB Youth Hockey, Inc.
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8/22/2023 2:23:18 PM
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Board of Public Works
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Contracts
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8/22/2023
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<br />Exhibit A1, A2, & A6 5-8-23 <br /> <br />3 <br />ICE SYSTEM ELECTRICAL & CONTROLS <br />1. Motor Control Panel (MCP) for ice equipment Computer control system that includes <br />monitors and controls all temperatures, pressures, runtimes, etc. for all equipment and sub- <br />systems. <br />2. The control system must be controlled by a central microprocessor-based controller or <br />preferred a non-proprietary PLC based controller with open-source programming. <br />3. Owner to determine final monitoring points. 17” min. size touch screen size with graphics for: <br />a. Major components (ie: Compressor, Evaporator, Condenser, etc.) <br />b. Ice rink sub-system (ie: Snow Melt / Sub-Soil System screen, Ice Floor, etc.) <br />c. and must include a single, easy to use “Overview” screen. <br />4. Shall be accessible through internet connection. <br />5. Shall include e-mail-based and or text-based notifications of system Alarm and Fault status. <br />6. Provide all control and monitoring points and alarms to existing Building Management System <br />(BMS) or Energy Management System (EMS). <br />7. Control / Monitoring Panel must include but not limited to: <br />a. Power Monitoring: Line voltage, Line amperage, power factor, overall energy <br />consumption. <br />b. Data shall be accessible and downloadable by internet connection. <br />c. Data include operating cost savings via power clipping by limiting power consumption <br />during peak hours with the intent to limit electrical “Demand Factor” <br /> <br />MOTOR CONTROL PANEL <br />1. Motor Control Panel to house and including all starters, breakers, controls, running lights, <br />contacts, relays, switches, fuses, safety switches, alarms, overload relays, resets, and all other <br />electrical devices required for an independent and fully operational ice system. <br />2. Shall be a dead-front, Type 1 enclosure in accordance with UL 508, UL845 and shall be NEMA <br />rated. <br />3. Computer control system that includes monitors and controls all temperatures, pressures, <br />runtimes, etc. for all equipment and systems. <br /> <br />COMPRESSORS <br />Ammonia <br />1. Open Drive Screw Compressors – Bitzer OSKA8591 or approved equal. <br />2. Oil cooling will be in two parts: <br />a. The snow melt / sub-soil heat transfer heat exchanger will remove the required <br />heat load. The snow melt / sub-soil system loop will include a control valve <br />limiting the loop temperature to a maximum of 95ᵒF. <br />3. All remaining oil cooling heat will be rejected through a second thermosyphon heat <br />exchanger
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