SOW_MAINTENANCE_SERVICE_AGREEMENT_FOR_HVAC_AND_CONTROL_SYSTEMS_--_BTV_NWS.pdf

MAINTENANCE SERVICE AGREEMENT FOR HVAC AND CONTROL SYSTEMS FOR:

BURLINGTON NATIONAL WEATHER SERVICE OFFICE

Burlington International Airport 1200 Airport Drive South Burlington, Vermont 05403

AND

BURLINGTON NATIONAL WEATHER SERVICE

RADAR DATA ACCUASITION SITE (R.D.A.)

Ethan Allen Army National Guard Facility (Camp Johnson) Colchester, Vermont 05446

I. STATEMENT OF WORK

The Contractor shall furnish all labor, material, equipment, and incidentals to provide a Preventive Maintenance and Service for all HVAC and Control System and Components on a Quarterly Basis during Operating Season.

Semi-Annual and Annual Preventative Maintenance Service and checks should be performed as additional tasks during the Quarterly Service and checks.

II. EQUIPMENT

The National Weather Service intends to award a Preventive Maintenance Program Contract for all associated equipment with HVAC, Fire Alarm, Smoke, Heat or C02 Detectors, and Humidity Controls. All HVAC equipment will be serviced and maintained under this agreement including, but not limited to, the following: Air Handler Units, Electronic Duct Heaters, all Condensing Units, Humidifier System, Heat Pumps, VAV Boxes, Dampers and Louvers, all Exhaust Fans, Control System including sensors, transmitters, Differential Pressure Switches and all other Components, and Package Units located in the Radar and TMS Buildings at the above address.

III. DESCRIPTION OF WORK

A. HEAT PUMPS AND A/C CONDENSING UNITS

ROUTINE OPERATING INSPECTION AND MAINTENANCE

QUARTERLY, EXCEPT AS NOTED

1. Install gauges and check refrigerant pressures.

2. Check and tighten all electrical connections.

3. Check bearings and compressor for proper lubrication.

4. Check compressor voltage and running amps.

5. Check all safety/operating controls; calibrate as necessary.

6. Check thermostats; calibrate as necessary.

7. Check super heat temperature.

8. Check sub cooling temperature.

9. Check condition of condenser coils; clean twice per year.

10. Check condition of blower wheels and drive belts; re-tension, clean and replace as necessary.

11. Check temperature differences across the condenser and evaporator coils.

12. Leak test refrigerant circuits.

13. Advise NWS Point of Contact of any deficiencies noted during the above inspections; make recommendations as to the correction of same.

B. FANS AND AIR HANDLING UNITS

1. Check belts and sheaves.

2. Tighten all nuts and bolts.

3. Check motor mounts and vibration pads; check for excessive vibration or noise. Check motor operating conditions.

4. Inspect electrical connections and conductors annually.

5. Lubricate and adjust associated dampers, motors and linkage annually.

6. Check all fan operations.

7. Inspect condensate drain pans and piping to ensure proper drainage; clean drains and drain pans annually or as needed.

8. Change pleated filters quarterly; change bag filters annually or sooner if necessary.

9. Check heating and cooling coils.

10. Clean external surfaces as required.

11. Inspect for leaks.

12. Check belts and supply/replace as necessary. Check fan belt tension and adjust as required.

13. Lubricate fan and motor bearings per manufacturer's recommendation. Also check and tighten locking collars and bolts.

14. Inspect operating and safety controls.

15. Check motor operating conditions.

16. Check and clean fan blades as required semi-annually.

17. Check coils.

18. Check all operating conditions and adjust as required.

19. Advise NWS Point of Contact of any deficiencies noted during the above inspections; make recommendations as to the correction of same.

C. SELF-CONTAINED PACKAGE UNITS

SEMI-ANNUAL, EXCEPT AS NOTED

1. Check operating controls for proper functioning; calibrate as necessary.

2. Check safety controls for proper operation; adjust as necessary.

3. Inspect condition of evaporator coils.

4. Check condition of unit air filters. Supply and change as required or semi-annually.

5. Inspect fan belts and supply/replace as necessary. Check fan belt tension and adjust as required.

6. Check fan motor bearings for proper lubrication per manufacturer's recommendations. Also check and tighten locking collar bolts.

7. Inspect condensate drain pans and piping to ensure proper drainage; clean annually or as necessary.

8. Check compressor oil pressure and level. Also check compressor amperage draw with ammeter.

Check compressor motor windings with meg ohm meter annually.

9. Install pressure gauges and check refrigerant pressures.

10. Inspect refrigerant piping and fittings for leaks.

11. In the beginning ofheating season check operation ofheating section.

12. Advise NWS Point of Contact of any deficiencies noted during the above inspections; make recommendations as to the correction of same.

D. ANNUAL PREVENTATIVE MAINTENANCE SERVICE

1. Check vessel connections for leaks.

2. Check condenser and receiver relief valves for leaks.

3. Check refrigeration systems and piping for problems.

4. Calibrate pressure gauges and thermometers.

5. Check safety controls for proper settings and operation.

6. Check and tighten electrical connections.

7. Megger compressors to determine integrity of motor windings.

8. Change oil filters and clean strainers when required.

9. Take oil sample for laboratory analysis when required.

10. Check oil heaters and controls.

11. Remove condenser heads and brush/clean tubes when required.

12. Inspect condensers for signs of corrosion.

13. Check evaporator coils, clean as required.

14. Clean inlet vanes/linkage and IGV ring.

15. Verify proper operation of inlet vane assembly.

16. Inspect fan motor control.

17. Clean condensate pans.

18. Tighten set screws on fan assembly locking collar; torque locking collar per manufacturer's specs.

19. Note and report any mechanical or electrical discrepancies that would affect unit operation along with recommendations for correction.

E. HUMIDIFIRST HUMIDIFIERS

QUARTERLY, EXCEPT AS NOTED

1. Check unit operation and maintain/service per manufacturer's specifications.

2. Check drain pan for leaks.

3. Check piping for leaks.

4. Each year, prior to start up, replace all equipment parts per manufacturer's runtime hour requirements that will be exceeded during peak demand of equipment (i.e. December through March).

5. The contractor shall provide and replenish DI water, and replace bottles (tanks) every (30 days) during the months of September, October, April and May.

6. The contractor shall provide and replenish DI water, and replace bottles (tanks) every (20) days November, December, January, February and March.

7. Start system during first week of September.

8. Shut down system during second week of May, and place system per the Manufacturer's requirements for an extended shut down mode.

9. Inform COR and local point of contact of any deficiencies noted during the above inspections;

provide recommendations to correct the noted deficiencies.

F. VARIABLE FREQUENCY DRIVE (VFD) SUPPLY AIR HANDLER AND

ECONOFLEX ADJUSTABLE SPEED DRIVE (VFD) CONTROLLER

1. Check belts and sheaves.

2. Tighten all nuts and bolts.

3. Check fan mounts and vibration pads; check for excessive vibration or noise. Check fan operating conditions.

4. Inspect electrical connections and conductors annually.

5. Lubricate and adjust associated dampers, fan and linkage annually.

6. Check all fan operations.

7. Inspect charcoal filters.

8. Supply and change charcoal filters annually or sooner if necessary.

9. Clean external surfaces as required.

10. Inspect for leaks.

11. Check belts and supply/replace as necessary. Check fan belt tension and adjust as required.

12. Lubricate fan and motor bearings per manufacturer's recommendation. Also check and tighten locking collars and bolts.

13. Inspect operating and safety controls.

14. Check motor operating conditions.

15. Check and clean fan blades as required semi-annually.

16. Check all operating conditions and adjust as required.

17. Check all operational modes on VFD controller.

18. Inspect electrical connections on VFD controller.

19. Advise NWS Point of Contact of any deficiencies noted during the above inspections; make

IV. CONTROL SYSTEM MAINTENANCE

A. QUARTERLY PREVENTIVE MAINTENANCE

1. Check and adjust all control loops.

2. Inspect all controllers and verify proper system operation.

3. Verify incoming AC power and note proper voltages, check for transformer degradation and report.

4. Ensure all wiring and terminations are secure.

5. Check all electronic board seating.

6. Check data/power cabling for pinching, cracking, tears or breaks and report unusual conditions.

7. Check diagnostic LED's, fuses and surge transient protection devices where applicable. Report unusual conditions.

8. Troubleshoot minor operational problems relating to controls with NWS Point of Contact; make recommendations.

B. SEMI-ANNUAL PREVENTIVE MAINTENANCE

1. Verify power supply voltages and record.

2. Ensure proper cabinet grounding.

3. Review system performance with NWS Point of Contact and discuss recommendations/changes as required.

4. Via the computer, exercise controlled devices to verify hardware capability.

5. Inspect cables, electrical connections, computer and system peripherals, and clean computer as required.

6. Diagnostic testing, examining, calibrating, adjusting and cleaning of control devices as required.

7. Perform quartlerly tasks.

8. Advise NWS Point of Contact of any deficiencies noted during the above inspections; make

C. ANNUAL PREVENTATIVE MAINTENANCE

1. Check and calibrate sensors as required.

2. Review control loops and adjust as necessary.

3. Evaluate all input/output points for proper operation and report any deficiencies.

4. Inspect interior surfaces and components of the panel enclosures and associated field equipment and clean as required for proper operation. Ensure all monitoring devices and plug-in components are securely in place, note any deficiency for review.

5. Perform quarterly and semi-annual tasks.

6. Meet with NWS Point of Contact to discuss system needs, operational deficiencies and system enhancements.

D. PASSWORD ACCESS

1. Password access to the system will at all times be available to the NWS Point of Contact.

V. ADDITIONAL REQUIREMENTS

A. MAINTENANCE RECORDS

1. The contractor shall supply and maintain written records of maintenance and repairs on site.

2. Note and report any mechanical, electrical or control system discrepancies that would affect equipment operations.

3. Document all preventive maintenance work done, all pertinent pressures, temperatures, voltages, fluid levels and test results.

4. The report shall contain any uncorrected deficiencies noted at inspection.

B. ON CALL AND EMERGENCY REPAIRS.

1. The Contractor shall provide qualified service personnel and parts to provide repairs as necessary to sustain continuous operation of this facility.

2. The Contractor shall provide a 24-hour telephone number and respond within two hours of any call for service.

3. The normal working hours of 8:00am to 5:00pm Monday thru Friday.

4. All Federal holidays will be treated as off hours and can be invoiced as an emergency service.

C. UNSCHEDULED SERVICE AND REPAIRS

1. Unscheduled service including labor, parts and components required to troubleshoot, diagnose or repair the above equipment are not covered under this contract.

2. All unscheduled service and repair will be handled through separate contracts.

D. QUALIFICATIONS AND STANDARDS

1. The technicians and personnel tasked with service and repairs shall be licensed, qualified, and skilled to repair and service the specific mechanical and automated environmental control systems, software and equipment on site.

2. All work and materials supplied will meet or exceed industry standards and equipment manufacturer's specifications.

E. MATERIAL SAFETY DATA SHEETS

1. MSDS sheets will be provided when necessary for supplies and materials used by the contractor for NWS files.

F. SAFETY- LOCK OUT/TAG OUT

1. Advise NWS Point Of Contact prior to starting maintenance or repair procedures.

2. Disconnect power supply; Tag unit as "Out of Service" as per OSHA requirements.

G. NONCOMPLIANCE STATEMENT

1. NWS may cancel this contract with a thirty (30) day written notice of cancellation for noncompliance of all or part of this agreement.

2. The contractor will have five (5) working days to correct any/all deficiencies or the agreement is cancelled.

H. HEALTH AND SAFETY REGULATIONS

I. It is the responsibility of the Contractor to comply with all applicable Local, State and Federal laws governing the Health and Safety of its employees including all regulations promulgated under the Occupational Safety and Health Act (OSHA.)

2. Such compliance shall include but not be limited to ensuring that all employees are properly trained for the work to be performed and have been supplied with all necessary protective and safety equipment.

I. VISITOR SIGN-IN

All visitors must sign in/sign out at the Reception Desk when arriving/leaving.

SITE EXAMINATION

Before submitting a bid, Contractor shall examine all existing and associated equipment conditions under which they shall be obliged to perform work under this Contract. The maintenance Manuals may be located at the Burlington Weather Forecast Office. Maintenance Manuals not available, Contractor shall contact the equipment Manufacturer for their Preventive Maintenance Program requirements and keep a copy for the office.

TECHNICAL POINT OF CONTACT

JOHN COMPO, ESA, PH# (802) 862-8711

CODES AND STANDARDS:

A. Latest effective publication or applicable codes and ordinances of local governing agencies and of the following standards, codes, etc., as they apply.

American Society of Heating, Refrigeration, and Air Conditioning Engineers, (ASHREA)

National Building Code, (BOCA)

Factory Mutual Engineering Association, (FM)

Underwriters' Laboratories, Inc. (UL)

National Electrical Code (NFPA 70-99), National Electrical Safety Code (ANSI C2) and the NECA Standard of Installation or Local standards, whichever is The NEC (2002) will be followed, as applicable.

more stringent.

American Society of Mechanical Engineers, (ASME)

Air Conditioning and Refrigeration Institute, (ARI)

Air Movement and Control Association, (AMCA)

Ameri an Gas Association, (A9A)

American National Standards Institute, (ANSI)

American Society for Testing and Materials, (ASTM)

Electrical Testing Laboratories, (ETL)

International Mechanical Code, 1996

Contractor shall follow all Federal, State and Local Codes to include Department of Transportation, (OSHA) Occupational Safety and Health regulations (e.g. 29 CFR 1910, 1926).

OSHA General Industry Safety and Health Standards (29 CFR 1910); OSHA Construction Industry Standards (29 CFR 1926) Single copies of these regulations are available from the local OSHA Area Offices. These documents are also for sale by the Superintendent of Documents, US. Government Printing Office, Washington, DC 20402

Environmental Protection Agency (EPA) Final Rule (40 CFR, Part 761) dated July 17, 1985.

LABOR

All labor performed on the Liebert HVAC units shall be, Liebert Manufactures qualified.

Qualified documentation shall be presented when work starts. All labor shall be Licensed for the craft/or trade involved and shall be to best standards of workmanship for respective equipment to meet the requirements of the Manufactures Preventive Maintenance Plan.

MATERIALS

All miscellaneous materials and preventive maintenance parts necessary to complete the preventive maintenance activities specified herein shall be new, of good quality and warrantied according to the manufacturer. Materials requiring a Material Safety Data Sheet, (MSDS) shall be reviewed by the point of contact prior to usage, at least five working days prior to usage.

Products found to have certain health hazards to employees shall not be used.

EQUIPMENT LOCATED AT CAMP JOHNSON, VT

MAVAIR SIN CM71588

BARD SIN 187M082564234-02

BARD SIN 187J082537773-02

EQUIPMENT LOCATED AT THE NWS OFFICE AT BURLINGTON INTERNATIONAL AIRPORT,

S. BURLINGTON, VT

AAON Model8742RH03-E0237, SIN 95DHGB215 AAON Model8742RH03-E0237, SIN 95DHGB216 AAON Model8742RH03-E0237, SIN 95DHGB217 AAON Model 8743RH04-3E023, SIN 95DHC45

LIEBERT Model F 125AUAAM, SIN 310994-001 LIEBERT Mode; DCDL205LA, SIN 94090171

LIEBERT Model FH125AUAAM, SIN 310994-002 LIEBERT Model DCDL205LA, SIN 94090171

HUMIDIFIRST MF-20 HUMIDIFIERS

VARIABLE FREQUENCY DRIVE (VFD) SUPPLY AIR HANDLER AND

ECONOFLEX ADJUSTABLE SPEED DRIVE CONTROLLER