A03 HVAC Maintenance PWS_Final.docx

Performance Work Statement HVAC Maintenance and Repair DFAS ROME Dated: 04/01/2020

1. Overview The purpose of this contract is to fill a Defense Finance and Accounting Service (DFAS) requirement of Heat Ventilation and Air Conditioning (HVAC) maintenance services at DFAS Rome. The objective of this contract is to provide DFAS Rome with HVAC maintenance services that results in the HVAC system operating at full capacity with minimal service interruptions, uninterrupted mission operations, while extending the useful life of the HVAC system. All HVAC equipment is located at DFAS Rome, 325 Brooks Road, Griffiss Business & Technology Park, Rome, New York 13441-5000.

The contractor shall perform routine maintenance services, minor repairs, and emergency repair services to maintain the DFAS Rome HVAC system to operate at full operational capacity with minimal interruptions.. The HVAC system includes the equipment listed in Exhibit A. The HVAC system includes some Trane proprietary components. In addition to the items in Exhibit A, the HVAC system includes the installed Building Automation System (Trane Tracer Summit). The BAS includes Tracer software and various connected Building Control Units, switches, modules, and associated equipment which the contractor will also be required to maintain, inspect and repair. Many components of the DFAS Rome HVAC system recently underwent renewal and upgrade services through Trane’s “R’newal Service Program.”

2. DESCRIPTION OF WORK: The contractor shall provide routine repair and inspection services, minor adjustment services, emergency repair services, and filter replacement services on all DFAS HVAC equipment located at DFAS Rome, 325 Brooks Road, Griffiss Business & Technology Park, Rome, New York 13441-5000.

3. ROUTINE MAINTENANCE INSPECTION AND PREVENTATIVE MAINTENANCE: In addition to providing routine inspection and preventative maintenance services to ensure full operational performance of the HVAC system, the contractor shall provide routine inspection preventative maintenance services required to maintain any existing manufacturer warranty on the HVAC system or components, the manufacturer recommended services, and the services listed below.

3.A. TRANE Air Cooled Rotary Liquid Chiller

3.A.1. Comprehensive annual inspection service.

3.A.1.1. General Assembly

3.A.1.1.a. Inspect for leaks and report leak check result.

3.A.1.1.b. Repair minor leaks as required (e.g. valve packing, flare nuts).

3.A.1.1.c. Calculate the refrigerant loss rate and report the results to the customer.

3.A.1.1.d. Check the condenser fans for clearances and free operation.

3.A.1.1.e. Check tightness of condenser fan motor mounting brackets.

3.A.1.1.f. Check the set screws on the fan shafts.

3.A.1.1.g. Visually inspect the condenser coil for cleanliness.

3.A.1.1.h. Verify the performance of the fan control inverter VFD, if applicable.

3.A.1.1.i. Grease bearings as required.

3.A.1.2. Controls and Safeties

3.A.1.2.a. Inspect, adjust the control panel for cleanliness.

3.A.1.2.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.A.1.2.c. Verify the working condition of all indicator/alarm lights and LED/LCD displays.

3.A.1.2.d. Test oil pressure safety device (per manufacture’s spec ). Calibrate and record setting.

3.A.1.2.e. Test the operation of the chilled water pump starter auxiliary contacts.

3.A.1.3. Lubrication System

3.A.1.3.a. Pull oil sample (as required by manufacture’s specification) for spectroscopic analysis.

3.A.1.3.b. Test oil for acid content and discoloration.

3.A.1.3.c. Make recommendations to the customer based on the results of the test.

3.A.1.3.d. Verify the operation of the oil heaters.

3.A.1.4. Motor and Starter 3.A.1.4.a. Clean the starter cabinet and starter components.

3.A.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.A.1.4.c. Check the condition of the contacts for wear and pitting.

3.A.1.4.d. Check contactors for free and smooth operation.

3.A.1.4.e. Check all mechanical linkages for wear security, and clearances.

3.A.1.4.f. Verify tightness of the motor terminal connections.

3.A.1.4.g. Meg the motor and record readings.

3.A.1.4.h. Verify the operation of the electrical interlocks.

3.A.1.4.i. Measure voltage and record. Voltage should be nominal voltage +- l0%.

3.A.2. Startup/Checkout Procedures.

3.A.2.1. Verify the operation of the oil sump heaters.

3.A.2.2. Verify a full chilled water system.

3.A.2.3. Start the chilled water pump.

3.A.2.4. Test the operation of all flow-proving devices on the chilled water circuit.

3.A.2.5. Start the chiller.

3.A.2.6. Verify the unit starter panel operation, amperage, and voltage.

3.A.2.7. Verify the operation of all timing devices.

3.A.2.8. Check the set point and sensitivity of the chilled water temperature control. Verify the operation.

3.A.2.9. Verify the operation of the current control device.

3.A.2.10. Check the refrigerant level and correct charge. :

3.A.2.11. Verify the operation of the capacity control slide valves 3.A.2.12. Verify the operation of the "load" and "unload" 3.A.2.13. Verify the lead-lag compressor operation.

3.A.2.14. Verify the operation of the electronic expansion valves.

3.A.2.15. Check pressure drop across the oil filter.

3.A.2.16. Verify clear refrigerant sight glasses.

3.A.2.17. Check oil level. :

3.A.2.18. Test the high condenser pressure safety device and record setting.

3.A.2.19. Test the low refrigerant temperature safety device and record setting.

3.A.2.20. Review operating procedures with the DFAS Facilities Operation Specialist.

3.A.2.21. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies noted.

3.A.3. Mid-Season Running Inspection.

3.A.3.1. Check the general operation of the unit.

3.A.3.2. Log the operating temperatures, pressures, voltages, and amperages.

3.A.3.3. Check the operation of the control circuit.

3.A.3.4. Check the operation of the lubrication system.

3.A.3.5. Check the operation of the motor and starter.

3.A.4. Seasonal Shutdown Procedure.

3.A.4.1. Check the general operation of the unit.

3.A.4.2. Shut down the chiller, pumps, and auxiliary equipment.

3.A.4.3. Verify voltage to heat tape.

3.A.4.4. Turn off equipment power as necessary

3.B. Trane Reciprocating Chillers, A-C

3.B.1. Comprehensive annual inspection service.

3.B.1.1. General Assembly

3.B.1.1.a. Inspect for leaks and report leak check result.

3.B.1.1.b. Calculate the refrigerant loss rate and report the results to the customer.

3.B.1.1.c. Repair minor leaks as required (e.g. valve packing, flare nuts).

3.B.1.1.d. Visually inspect the condenser coil for cleanliness.

3.B.1.1.e. Inspect fan blades and belts, if applicable 3.B.1.1.f. Lubricate the condenser fan bearings, if applicable

3.B.1.2. Controls and Safeties

3.B.1.2.a. Inspect the control panel for cleanliness.

3.B.1.2.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.B.1.2.c. Verify the working condition of all indicator/alarm lights if applicable.

3.B.1.2.d. Test the low water temperature control device. Calibrate and record setting.

3.B.1.2.e. Test the low evaporator pressure safety device. Calibrate record setting, if applicable.

3.B.1.2.f. Test the oil pressure safety device(s). Calibrate and record setting, if applicable.

3.B.1.2.g. Check programmed parameters of the RCM control, if applicable.

3.B.1.3. Lubrication System

3.B.1.3.a. Check oil level in the compressor.

3.B.1.3.b. Test oil for acid content and discoloration. Verify the operation of the oil heater. Measure amps and compare reading with the watt rating of the heater.

3.B.1.4. Motor and Starter

3.B.1.4.a. Clean the starter cabinet and starter components.

3.B.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.B.1.4.c. Check the condition of the contacts for wear and pitting.

3.B.1.4.d. Check contactors for free and smooth operation.

3.B.1.4.e. Verify tightness of the motor terminal connections.

3.B.1.4.f. Meg the compressor motor and record readings.

3.B.1.4.g. Verify the operation of the electrical interlocks.

3.B.1.4.h. Measure voltage and record. Voltage should be nominal voltage +- l0%.

3.B.2. Mid-Season Running Inspection.

3.B.2.1. Check the general operation of the unit.

3.B.2.2. Log the operating temperatures, pressures, voltages, and amperages.

3.B.2.3. Check the operation of the control circuit.

3.B.2.4. Check the operation of the motor(s) and starter(s).

3.B.2.5. Analyze the recorded data. Compare the data to the original design conditions.

3.B.2.6. Review operating procedures with the DFAS Facilities Operation Specialist.

3.B.2.7. Provide a written report of completed work, operation log and indicate any uncorrected deficiencies detected.

3. C. Trane IntelliPak Roof Top Units

3.C.1. Comprehensive annual maintenance – cooling cycle.

3.C.1.1. General Assembly

3.C.1.1.a. Inspect for leaks and report leak check results.

3.C.1.1.b. Repair minor leaks as required (e.g. valve packing, flare nuts).

3.C.1.1.c. Calculate refrigerant loss rate and report to the DFAS Facilities Operation Specialist 3.C.1.1.d. Check the sheaves and pulleys for wear and alignment.

3.C.1.1.e. Check the belts for tension, wear, cracks, and/or glazing.

3.C.1.1.f. Verify clean condenser and evaporator.

3.C.1.1.g. Verify clean evaporator fan.

3.C.1.1.h. Verify clean air filters 3.C.1.1.i. Verify proper damper operation.

3.C.1.1.j. Check mechanical linkages for wear, tightness, and clearances.

3.C.1.1.k.Check the operation and setup of the RTM module 3.C.1.1.l. Check the VFD, if applicable.

3.C.1.1.m. Verify the starter operation.

3.C.1.1.n. Verify smooth operation of the compressors and fans.

3.C.1.1.o. Review operating procedures with the DFAS Facilities Operation Manager.

3.C.1.1.p. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.C.1.2. Controls and Safeties

Calibrate, if applicable, and record setting.

3.C.1.2.e. Test the operation of the low evaporator pressure safety device. Calibrate, if applicable, and record setting.

3.C.1.2.f. Test the operation of the low temperature safety device. Calibrate, if applicable, and record setting.

3.C.1.2.g. Test the operation of the low oil pressure safety device, if applicable. Calibrate and record setting.

3.C.1.2.h. Verify the operation of the static pressure control.

3.C.1.3. Lubrication

3.C.1.3.e. Check oil for acid content and discoloration. Make recommendations to the DFAS Facility Operations Specialist based on the results of the test.

3.C.1.4. Motor and Starter

3.C.1.4.a. Clean the starter and cabinet.

3.C.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.C.1.4.c. Check the contactors for free and smooth operation.

3.C.1.4.d. Meg the compressor motor(s) and record readings.

3.C.1.4.e. Verify the tightness of the compressor motor terminal connections.

3.C.1.4.f. Verify the operation of the compressor oil heater(s).

3.C.2. Comprehensive maintenance Inspection – heating cycle.

3.C.2.1. Perform heating inspection/maintenance.

3.C.2.2. Verify smooth operation of the fans.

3.C.2.3. Check belts for tension, wear, cracks, and glazing.

3.C.2.4. Verify clean air filters

3.C.3. Mid-Season Cooling Inspection.

3.C.3.6 Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.C.4. Mid-Season Heating Inspection.

3.D. Reciprocating DX Units, A-C

3.D.1. Annual Maintenance.

3.D.1.1. General Assembly

3.D.1.2. Controls and Safeties

3.D.1.2.a. Inspect the control panel for cleanliness.

3.D.1.2.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.D.1.2.c. Verify the working condition of all indicator/alarm lights, if applicable.

3.D.1.2.d. Verify the operation of the high condenser pressure safety device.

3.D.1.2.e. Verify the operation of the low evaporator pressure safety device.

3.D.1.2.f. Test the operation of the oil pressure safety device, if applicable.

3.D.1.3. Lubrication

3.D.1.3.a. Check oil level in the compressor(s), if applicable.

3.D.1.3.b. Check oil for acid content and discoloration. Make recommendations to the customer based on the results of the test.

3.D.1.4. Motor and Starter

3.D.1.4.a. Clean the starter(s) and cabinet.

3.D.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.D.1.4.c. Check the contactors for free and smooth operation.

3.D.1.4.d. Check the condition of the contacts for wear and pitting, if applicable.

3.D.1.4.e. Verify the operation of the electrical interlocks.

3.D.1.4.f. Meg the compressor motor(s) and record readings.

3.D.2. Startup/Checkout Procedures.

3.D.2.1. Verify the operation of the oil heater(s).

3.D.2.11. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected

3.D.3. Mid-Season Running Inspection.

3.D.3.1. Check the general operation of the unit.

3.D.3.2. Log the operating conditions after the system has stabilized.

3.D.3.3. Verify the operation of the control circuits.

3.D.3.4. Check the operation of the lubrication circuit, if applicable.

3.D.3.5. Analyze the recorded data. Compare the data to the original design conditions.

3.D.3.6. Review operating procedures with the Facilities Operation Support Specialist.

3.D.3.7. Provide a written report of completed work, operating log and indicate any uncorrected deficiencies detected.

3.D.4. Shutdown Procedure.

3.D.4.4. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies

3.E. Self-Contained Units (A-C) 3-15 Tons

3.E.1. Comprehensive annual maintenance.

3.E.1.1. General Assembly.

3.E.1.1.l. Verify proper operation of the dampers and/or inlet guide vanes, if applicable.

3.E.1.2. Controls and Safeties

3.E.1.2.a. Inspect the control panel for cleanliness.

3.E.1.2.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.E.1.2.c. Verify the working condition of all indicator/alarm lights, if applicable.

3.E.1.2.d. Test the low evaporator pressure safety device. Calibrate and record setting, if applicable.

3.E.1.2.e. Test the high condenser pressure safety device. Calibrate and record setting, if applicable.

3.E.1.2.f. Test the oil pressure safety device, if applicable. Calibrate and record setting.

3.E.1.3. Lubrication

3.E.1.3.a. Verify the operation of the oil heater, if applicable.

3.E.1.3.b. Lubricate the evaporator fan bearings.

3.E.1.3.c. Lubricate the fan motor bearings, if applicable.

3.E.1.3.d. Lubricate the damper bearings, if applicable.

3.E.1.4. Motor and Starter

3.E.1.4.a. Clean the starter and cabinet.

3.E.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.E.1.4.c. Check the condition of the contacts for wear and pitting.

3.E.1.4.d. Check the contactors for free and smooth operation.

3.E.1.5 Startup/Checkout Procedure

3.E.1.5.a. Verify the operation of the oil heater.

3.E.1.5.b. Start the unit.

3.E.1.5.c. Verify smooth operation of the compressors and fans.

3.E.1.5.d. Check the set point and sensitivity of the temperature control device.

3.E.1.5.e. Verify the operation of the unloaders, if applicable.

3.E.1.5.f. Check superheat and sub-cooling on the refrigeration circuit(s).

3.E.1.5.g. Log the operating conditions after the system has stabilized.

3.E.1.5.h. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.E.2. Mid-Season Cooling Inspection.

3.E.2.7 Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.F. Central Station Air Handling Units

3.F.1. Comprehensive annual maintenance.

3.F.1.1. General Assembly

3.F.1.1.n. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.F.1.2. Lubrication

3.F.1.2.a. Lubricate the fan shaft bearings, if applicable.

3.F.1.2.b. Lubricate the motor bearings, if applicable.

3.F.1.3. Controls and Safeties

3.F.1.3.a. Test the operation of the low temperature safety device, if applicable.

3.F.1.3.b. Test the operation of the high static pressure safety device, if applicable.

3.F.1.3.c. Test the operation of the low static pressure safety device, if applicable.

3.F.1.3.d. Check the thermal cutout on electric heaters, if applicable.

3.F.1.3.e. Check the step controller, if applicable.

3.F.1.3.f. Check and record supply air and control air pressure, if applicable.

3.F.1.3.g. Verify the operation of the control system and dampers while the fan is operating.

3.F.1.4. Motor and Starter

3.F.1.4.a. Clean the starter and cabinet.

3.F.1.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.F.1.4.c. Check the condition of the contacts for wear and pitting.

3.F.1.4.d. Check the contactors for free and smooth operation.

3.F.1.4.e. Meg the motor and record readings.

3.F.2. Heating Inspection.

3.F.2.1.a. Inspect control valves and traps.

3.F.2.1.b. Check and calibrate all operating and safety controls.

3.F.2.1.c. Verify the operation of the heating coils.

3.F.2.1.d. Verify the operation of the unit low temperature safety device.

3.F.3. Scheduled Running Inspection.

3.F.3.7. Provide a written report of completed work, operating log, and indicate uncorrected deficiencies detected.

3.G. Fan Coil Units

3.G.1. Inspection.

3.H. Variable Air Volume Units.

3.H.1. VARITRANE Inspection

3.H.2. VARITRAC Inspection

3.I. PCM, UPCM Controller

3.I.1 Maintenance Inspection.

3.I.1.7. Verify proper communication link operation between the control panel and the external ICS devices, if applicable.

3.I.1.8. Verify that equipment is being controlled at the appropriate values.

3.I.1.9. Change one set point value, verify smooth transition and stable control at the new set point.

3.I.1.10. Return set point to original value.

3.I.1.11. Repeat for each additional control loop.

3.I.1.12. Verify that controlled values and dampers will stroke fully in both directions, sealing tightly where appropriate.

3.I.1.13. Verify the proper operation of critical control processes and points associated with this unit. Make adjustments if necessary.

3.I.1.14. Verify the correct time and date, if applicable.

3.I.1.15. Check modem operation, if applicable.

3.I.1.16. Clean the external surfaces of the panel enclosure.

3.I.1.17. Review operating procedures with the Facilities Operation Specialist.

3.I.1.20. Provide a written report of completed work, and indicate any uncorrected deficiencies detected.

3.J. VAV Box UCM

3.J.1. Maintenance Inspection.

3.J.1.5. Verify the proper operation of critical control processes and points associated with this unit. Make adjustments as necessary.

3.K. Tracer Ensemble SC/Summit BCU

3.K.1. Maintenance Inspection.

3.K.1.1.Control Panel

3.K.1.1.a. Verify secure connections on all internal wiring, LAN, and communication links.

3.K.1.1.b. Check for loose or damaged parts or wiring.

3.K.1.1.c. Check for any accumulation of dirt or moisture. Clean if required.

3.K.1.1.d. Remove excessive dust from heat sink surfaces.

3.K.1.1.e. Verify proper system electrical grounding.

3.K.1.1.f. Verify proper output voltages on control panel power supplies.

3.K.1.1.g. Check LED Indications to verify proper operation of BCU transmit/receive activity on the ARCNET LAN.

3.K.1.1.h. Verify LAN communications, if applicable, between workstations and BCU'S.

3.K.1.1.i. Verify that cards are seated and secured.

3.K.1.1.j. Check UCM wiring trunks and check for possible Error Code Indications.

3.K.1.1.k. Check voltage level of BCU Super cap.

3.K.1.1.l. Verify the proper operation of critical control processes and points associated with this unit and make adjustment if necessary.

3.K.1.1.m. Check Volatile memory available.

3. K.1.1.n. Check Non-volatile memory available.

3.K.1.1.o. Check Processor idle time.

3.K.1.1.p. Dump the BCU System Diagnostic Array and Analyze.

3.K.1.1.q. Run the BCU Mini-monitor for each BCU to check for any error statements and/or codes.

3.K.1.1.r. Clean external surfaces of the panel enclosure.

3.K.1.1.s. Check modem operation, if applicable.

3.K.1.1.t. Via PC workstation, view the event log and input/output points for any unusual status or override conditions.

3.K.1.1.u. Verify correct time and date.

3.K.1.1.v. Check and update holiday schedules, if applicable, and daylight savings time.

3.K.1.1.w. Review operating procedures with Facilities Operation Specialist.

3. K.1.1.x. Provide a written report of completed work, and indicate any uncorrected deficiencies detected.

3.L. Ensemble/Summit Workstations

3. L.1. Review Tracer Ensemble/Summit for critical follow-up and off-line status indications, i.e. system error encountered items.

3. L.2. Review system event logs with Facilities Operation Specialist and discuss Tracer Ensemble/Summit operational concerns.

3.L.3. Perform or schedule corrective maintenance procedures as appropriate to resolve situations noted in the preceding reviews.

3.L.4. Save/copy/backup Tracer Ensemble/Summit Workstation database, including custom graphics, expanded messages and CPL routines.

3.L.5. Archive database files once per quarter and provide a copy to the Facility Operations Specialist.

3.L.6 Maintain Trane Tracer Ensemble/Summit Operating System software at the current version.

3.L.7. Database files will be maintained on electronic media at a secure location.

3.M. Condenser Cleaning.

3.M.1 Air Cooled condensers.

3.M.1a.. Clean air-cooled condensers, using pressurized water and coil cleaner as necessary.

3.N. Lubrication Systems.

3.N.1. Change oil and filter.

3.N.1.1 Change the oil and filter, using factory recommended oil and filter.

3.O. Unit Heaters

3.O.1. Maintenance procedure.

3.O.1.1. General Assembly.

3.O.1.1.a. Check the general condition of the unit.

3.O.1.1.b. Verify tightness of the fan, fan guards, louvers, etc.

3.O.1.2. Lubrication.

3.O.1.2.a. Lubricate the fan motor, if applicable.

3.O.1.3. Controls and Safeties.

3.O.1.3.a. Verify proper operation of the temperature control device.

3.O.1.3.b. Verify proper operation of the pilot safety device, if applicable.

3.O.1.3.c. Verify proper operation of the high temperature control device.

3.O.1.3.d. Verify proper operation of the fan switch.

3.O.1.4. Electrical

3.O.1.4.a. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.O.1.5. Startup and Checkout

3.O.1.5.a. Start the unit.

3.O.1.5.b. Review operating procedures with the Facilities Operation Specialist.

3.P. Direct Drive Pumps

3.P.1. Annual Inspection PMP-110

3.P.1.1. General Assembly

3.P.1.1.h. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.P.1.2. Lubrication

3.P.1.3. Motor and Starter

3.P.1.3.a. Clean the starter and cabinet.

3.P.1.3.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.P.2. Pump Run Inspection PMP-111

3.Q. In-Line Circulating Pumps

3.Q.1. Run Inspection PMP-311

3.R. Heat Exchangers

3.R.1 Maintenance procedure MSC-250

3.S. Split Systems (Samsung, Liebert and Mitsubishi)

3.S.1. Annual Inspection

3.S.1.1.a. Report in with the Customer Representative.

3.S.1.1.b. Record and report abnormal conditions, measurements taken, etc.

3.S.1.1.c. Review customer logs with the customer for operational problems and trends.

3.S.2. Annual Maintenance 3.S.2.1. General Assembly 3.S.2.1.a. Check Refrigerant Temperatures and Pressures if applicable.

3.S.2.1.b. Inspect for refrigerant and oil leaks and report leak check results.

3.S.2.1.c. Check the sheaves and pulleys for wear and alignment.

3.S.2.1.d. Check the belts for tension, wear, cracks, and/or glazing.

3.S.2.1.e. Check mechanical linkages for wear, tightness, and clearances.

3.S.2.1.f. Straighten condenser coils (up to 10% of the surface area) 3.S.2.1.g. Verify clean condenser and evaporator coils and brush clean. Note: Evaporator coils will be inspected if reasonably accessible.

3.S.2.1.h. Check and clean drain evaporator drain pan, drain, and trap.

3.S.2.1.i. Verify evaporator fan cleanliness if practical.

3.S.2.1.j. Verify clean air filters.

3.S.2.1.j. Verify the operation of the crankcase oil heater(s), if applicable.

3.S.2.2 .Controls and Safeties 3.S.2.2.a. Verify the operation of the discharge air temperature control device, if applicable.

3.S.2.2.b. Verify unit thermostat controller operates properly.

3.S.2.3. Lubrication 3.S.2.3.a. Lubricate motor bearings, if applicable.

3.S.2.3.b. Lubricate fan bearings, if applicable.

3.S.2.3.c. Check oil level in the compressor(s), if applicable.

3.S.2.4. Motor and Starter 3.S.2.4.a. Clean the starter and cabinet, if applicable.

3.S.2.4.b. Inspect wiring and connections for tightness and signs of overheating and discoloration.

3.S.2.4.c. Check the contactors for free and smooth operation.

3.S.2.4.d. Meg the compressor motor(s) and record readings, if above 25 tons.

3.S.2.4.e. Verify the tightness of the compressor motor terminal connections.

3.S.3. Mid-Season Cooling Inspection Unitary/Split Systems

3.S.3.1. Start the unit, if not operating.

3.S.3.2. Verify the smooth operation of the compressors and fans.

3.S.3.3. Log operating conditions of the unit after the system has stabilized.

3.S.3.4. Review operating procedures with operating personnel.

3.S.3.5. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

3.S.4. Additional Inspection Tasks 3.S.4.1. Filter Replacement as needed 3.S.4.2. Clean condenser coils 3.S.4.3. Replace belts one time per year if applicable.

3.S.4.4. Provide and install Liebert humidifier canisters maximum of two times per year.

3.T. Exhaust Fans

3.T.1. Annual Inspection

3.T.1.1.a. Report in with the Customer Representative.

3.T.1.1.b. Record and report abnormal conditions, measurements taken, etc.

3.T.1.1.c. Review customer logs with the customer for operational problems and trends.

3.T.2. Annual Maintenance

3.T.2.1.General Assembly 3.T.2.1.a. Inspect the unit for cleanliness.

3.T.2.1.b. Inspect the fan wheel and shaft for wear and clearance.

3.T.2.1.c. Check the sheaves and pulleys for wear and alignment.

3.T.2.1.d. Check the belts for tension, wear, cracks, and glazing.

3.T.2.1.e. Replace belt.

3.T.2.1.f. Verify tight bolts, set screws, and locking collars.

3.T.2.1.g. Verify smooth fan operation.

3.T.2.1.h. Inspect the wiring and connections for tightness and signs of overheating and discoloration. This includes wiring to the electric heat, if applicable.

3.T.2.1.i. Provide a written report of completed work, operating log, and indicate any uncorrected deficiencies detected.

4. FILTER REPLACEMENT: Additionally, the contractor shall replace the throwaway air filters in the HVAC system as required but not less than twice per year (every six months). Exhibit B includes a list of the filters the system.

5. MINOR REPAIRS: The contractor shall also provide minor repairs for failed or failing HVAC system components. These services will be provided at no additional charge.

6. EMERGENCY SERVICES: The contractor shall also perform emergency services as required for the purpose of diagnosis of trouble, adjustment, repairs, and resetting controls. Emergency response will be within two hours of notification and all maintenance and/or equipment repairs completed within 24 hours of notification.

7. QUALIFICATIONS: All services the Contractor provides shall be services performed at the commercial and industrial journeymen level in HVAC principle craft for five (5) years; certified to handle such refrigerants (EPA Section 608 Technician Certification Program). If the contractor will use a subcontractor to perform these services they must submit copies of the subcontractors' resumes. Prior to contract award, the contractor shall submit a list of qualified personnel who will perform the services, for Government approval. The Contractor shall not provide workmanship that will void any existing warranties. The Contractor shall provide Trane factory certified/trained technicians on the Trane Building Automation System and on Tracer software.

8. MATERIALS, SUPPLIES AND PARTS: The Contractor shall furnish all supplies, materials, and replacement parts necessary for the performance of work under this contract. The materials, supplies and replacement parts furnished by the Contractor shall be new, meet manufacturers’ specifications, and must not void existing warranties. The Contractor shall provide these items at no additional charge.

8. WORK SCHEDULE: The Contractor shall perform normal preventive maintenance services during regular working hours (0700 to 1600 hours, Monday to Friday, except Federal holidays).

8.1. Contractor personnel shall check in with the DFAS Contracting Officer Representative, COR, prior to commencing work during regular work hours, Monday to Friday.

9. DISPOSAL OF REMOVAL MATERIALS AND CLEANUP: Materials discarded due to the work shall be properly disposed of off base by the Contractor. The Contractor shall clean up the area after each work period. The Contractor shall dispose of all chemicals in accordance with all applicable Environmental Protection Agency (EPA) regulations.

10. AVAILABILITY OF UTILITIES: The Government will furnish all reasonable amounts of electricity, steam and water required to perform the work.

11. SANITARY FACILITIES: The Contractor's personnel may use the sanitary facilities in DFAS.

12. FIRE REGULATIONS: The Contractor shall perform all work in a fire safe manner in accordance with fire prevention standards of the Air Force. The Contractor shall have an NFPA listed portable fire extinguisher at the work site at all times during working operations. The Contractor shall notify the DFAS Facilities Operation Specialist, before working with any flame producing equipment, such as welding or flame cutting, for approval of the contractor's safety measures.

13. REFRIGERANT RECOVERY: The Contractor shall provide all services to prevent the possible release of chlorofluorocarbons (CFC's) and hydro-chlorofluorocarbons (HFC's) to the atmosphere. All refrigerant recovered from the centrifugal chillers shall be handled and processed by the Contractor in accordance with the 1990 Clean air Act and all current applicable EPA regulations. The Contractor shall only utilize equipment specifically developed, manufactured and EPA listed to be used for refrigerant recovery. In addition, the Contractor shall submit documentation showing that all personnel involved in the handling of refrigerant are certified in accordance with the above regulations to perform such work.

14. SAFETY:

14.1 Hazardous Materials - When applicable, any chemicals used in performance of this contract shall be identified by the Contractor and supplied with Material Safety Data Sheets (MSDS). The Contractor shall submit MSDS for approval to the DFAS Contracting Officer Representative, COR, prior to use. The Contractor shall make approved MSDS available on site throughout the work performance period.

14.2 Worker Safety - During the course of the work as specified under this contract, the Contractor shall abide by all Federal, State, OSHA and AFOSH regulations and standards as they pertain to work safety. In addition, the Contractor shall submit documentation that verifies his/her use of an approved lockout/tagout program for equipment capable of carrying or storing electrical energy.

15. SECURITY:

15.1 The contractor will be required to successfully complete the DFAS security Vetting process and wear, in plain view, a DFAS pass/badge at all time within the facility. The contractor shall provide the COR with the names for all personnel working within DFAS-RO during the contract period upon award.

15.2 Contractor employees identified as requiring access to the facility are required to complete the SF-85, Questionnaire for Non-Sensitive Positions, and a FD258 Fingerprint card, for a pre-appointment background investigation upon contract award. They must be found eligible (meet requirements) based on the background check and fingerprint check in order to be issued a DFAS Contractor Unescorted Entrance Badge. The SF-85 Questionnaire is an electronic document that must be completed on line. Necessary information to access the SF-85 on the website will be provided directly to the employees identified. The FD258 fingerprint card will be provided and actual fingerprinting will be done by DFAS Rome security personnel.

15.3 On-site contractor operations will follow the security and training requirements in DFAS 2000.1 Force Protection Program - https://dfasportal.dfas.mil/docs/Documents/Official%20Forms%20and%20Pubs/2000.1-I,%20Force%20Protection.pdf#search=DFAS%202000%2E1

DoD 5200.1-R, Information Security Program - https://dfasportal.dfas.mil/docs/Documents/Agency%20Support/Force%20Protection/dfas52001i.pdf#search=DFAS%205200%2E1%2DI

On-site contractor operations will follow all host security requirements IAW DoD 5220.22-M, Volume 3, paragraph 6-105 https://www.esd.whs.mil/Portals/54/Documents/DD/issuances/dodm/520001_vol3.pdf. The contractor shall immediately report any occurrences of violation of stated regulations to the Contracting Officer (CO) or Contracting Officer Representative (COR).

15.4 Security Education and Training. On-site Contractor personnel will receive initial, continuous and refresher security education training IAW DoD 5200.1-R and DFAS 5200.1-I. On-site Contractor personnel are also required to accomplish Antiterrorism Level I, Combating Trafficking in Persons, Information Security, and other required training available through the DFAS ePortal.

Exhibit A

The following equipment will be serviced:

Qty. Equipment Manu Model Number

TSC120A4RPA2ND, TCD150E40A, THC063A4RJ, THC102E4RGA

MCCUMCCBA10 (1), CSAA012UAB (1), CSAA040UAB (1)

CCD14DBUD (1), H3A1L01LLAL (1)

1 15 Ton Unit Liebert VS053ADAOEI860S 2 Lighting Control Panel Trane/Douglas

Exhibit B Throwaway Filter Replacement Schedule

Equipment Size Qty

END OF PERFROMANCE WORK STATEMENT