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Scope of Work <br />Overview: <br />Siemens mechanic recommends making the following repairs to Chillers located at the West Campus: Carrier <br />Chiller # 1, replacing (1) condenser coil, (1) SGT thermistor sensor on circuit A, (1) condenser fan motor on <br />circuit B and (1) crankcase heater. Carrier Chiller #2, replacing (1) filter drier, (3) contactors on circuit A1 & fan <br />4, (1) compressor for circuit A1, (1) flow sensor and (1) SGT thermistor sensor. Note: one flow switch will be <br />left for a backup. <br />Inclusions: <br />•Arrive and check in with POC <br />•LOTO main shut off for Carrier Chiller #1. <br />•Recover existing refrigerant. <br />•Disconnect all electrical components. <br />•Remove existing condenser coil. <br />•Remove SGT thermistor sensor on circuit A. <br />•Remove condenser fan motor from circuit B1. <br />•Remove crankcase heater from circuit A2. <br />•Use crane to lift new condenser coil to the rooftop. <br />•Install new condenser coil. <br />•Install new SGT to circuit A. <br />•Install new fan motor to circuit B1. <br />•Install new crankcase heater for circuit A2. <br />•Reconnect all electrical components. <br />•Perform leak inspection, vacuum to 500 microns and charge system to proper levels with recovered <br />refrigerant. <br />•Verify operation of Carrier Chiller #1. <br />•LOTO main shut off for Carrier Chiller #2 <br />•Recover existing refrigerant. <br />•Disconnect all electrical components. <br />•Remove compressor from circuit A1. <br />•Remove contactor from circuit A1. <br />•Remove filter drier. <br />•Remove fan from circuit 4 and contactor. <br />•Remove flow sensor. <br />•Remove SGT thermistor sensor. <br />•Use crane to lift new compressor to the rooftop. <br />•Install new compressor in circuit A1. <br />•Install new contactor to circuit A1. <br />•Install new filter drier. <br />•Install new fan to circuit 4 and contactor. <br />Page 2 of 5 <br />DocuSign Envelope ID: C8DDCA05-549B-4BD2-9885-245703DB5A39