SOW_FINAL.docx

HVAC Preventative Maintenance and Repair Statement of Work

Location Address:

NWS/Radar Operations Center 1200 Westheimer Drive Norman, OK 73069

Scope of Work:

The services to be provided under these specifications includes furnishing all parts, labor, equipment, appliances and materials necessary to inspect, maintain, service and repair, provide parts, and provide all other necessary work required to insure a continued and safe operation of The Heating Ventilation and Air-Conditioning (HVAC) System(s) at the Radar Operations Center (ROC).

Period of Performance:

Base Year: 03/25/2024 to 03/24/2025 Option 1: 03/25/2025 to 03/24/2026 Option 2 03/25/2026 to 03/24/2027 Option 3: 03/25/2027 to 03/24/2028 Option 4: 03/25/2028 to 03/24/2029

Minimum Standards of Workmanship:

All work shall be performed in compliance with all federal, state and local laws. In addition, work shall meet equipment manufacturers’ and generally accepted industry standards of good workmanship. A licensed HVAC technician having EPA certification must be utilized to make all repairs to the HVAC equipment. Any repairs made to a Liebert unit shall be completed by an individual having a Liebert certification. Use of a HVAC certified technician to perform the preventative maintenance action is a requirement of the SOW.

Security:

The Contractor is required sign in and sign out with ROC Security Guard upon arrival and obtain a visitor’s badge. The Guard is located at the Adair Building located at 1200 Westheimer Drive, Norman, OK. The C&A requirements of clause 73 do not apply and a Security Accreditation Package is not required.

Scheduled Work:

This work shall be performed during regular working hours, Monday through Friday, 8:00 a.m. to 4:00 p.m., excluding federal holidays. Notice of 24 hours must be provided to the point of contact (POC), Tammy Buie, for any regular service visit.

Inspections:

During performance of maintenance on each piece of equipment, the contractor shall provide any noted discrepancies/needed repairs not within the scope of the SOW, along with estimated repair cost, to the POC.

The POC shall make a full visual inspection to ensure the services are completed per the SOW before the contractor departs the place of performance. The vendor shall clean up any debris after all work is completed.

All preventative maintenance parts and equipment shall be the responsibility of the vendor.

Monthly Preventive Maintenance Checks:

Reciprocating Compressor:

1. Open and clean thoroughly with a lint free rag saturated with good clean oil such as that used in the compressor.

2. After crankcase has been cleaned, all of the old oil, if dirty shall be replaced with a fresh charge (only oil specifically recommended by the manufacturer for the particular unit).

3. Remove cover plate and from the scale trap and thoroughly clean.

4. Check shaft seal for leaks if open type compressor

5. Check liquid line dryer for dirt and moisture.

Condensers:

1. Check operation of controls.

Liquid Cooler Mechanism:

1. Inspect any pressure relief device.

Mechanical Rooms:

1. Air-intake and exhaust grilles shall be visually inspected and kept clean of dirt and debris.

2. Air handling Equipment, control panels, compressors, actuators heat exchangers valves and gauges and all other mechanical room equipment shall be visually inspected and kept clean and free of debris. In the event of flooding the room shall be pumped clear and the floor mopped dry. All water and residue shall be deposed of in accordance with any and all waste control regulations.

3. The tops of the Air handling equipment shall be visually inspected and kept clean and free of debris.

Unitary Equipment Split Systems & Fan-Coil Units

1. Maintain and service Fan-Coil Units in accordance with the manufacturer’s recommendations Check fan motor bearings, and lubricate if necessary

2. Replace filters

3. Check fans for static and dynamic balance.

4. Check mounting bolts and brackets

5. Check belts for wear and tightness and replace as needed

6. Check refrigerant for metallic contaminants and dirt

7. Check refrigerant for organic contaminants

8. Check refrigerant line for water contamination

9. Check liquid line filters, suction filters and strainers for contaminants.

10. Desiccant shall be tested and replaced as needed

11. Roof penetrations shall be checked for leaks and flashing and repaired/maintained as required.

12. Recover and decontaminate refrigerant as required.

Quarterly Preventive Maintenance Checks:

Condensers:

1. Check fan motor bearings, and lubricate if necessary.

2. Check for tightness and adjustment thrust collars on sleeve-bearing units and locking collars on ball-bearing units.

3. Check fans and inlet screens and remove any dirt or debris

4. Inspect entire condensing unit for spot corrosion. Treat and refinish any corroded or scratched areas

Air Handlers:

1. Check fans for static and dynamic balance.

2. Check mounting bolts and brackets

3. Check belts for wear and tightness and replace as needed.

4. If belt drive is provided with belt guard, guard shall be maintained snug and in place

5. The tops of the Air handling equipment shall be visually inspected and kept clean and free of debris

6. Lubricate fan and motor bearings in accordance with manufactures recommendations with properly refined oil.

7. Check cooling and heating coils for leaks and debris and clean coil as required in accordance with manufactures recommendations.

Yearly Preventive Maintenance Checks:

Reciprocating Compressor:

1. Clean oil screen

Condensers:

1. Check operation of freeze control items

Liquid Cooler Mechanism:

1. Check for corrosion then treat and refinish immediately if corrosion is found.

2. Inspect any pressure relief device.

Expansion Vessel:

1. Check for corrosion then treat and refinish immediately if corrosion is found.

Storage Tanks:

1. Check for corrosion then treat and refinish immediately if corrosion is found.

Mounting Bolts:

1. Inspect for corrosion and treat and clean. Apply a light coat of penetrating oil. (If bolts are painted, refinish to match the unit.)

Unitary Equipment Split Systems & Fan-Coil Units

1. Recover and decontaminate refrigerant as required.

Emergency Service:

The Government will initiate service calls when the system is not functioning properly. Qualified personnel shall be available to provide service to the system. A telephone number where the service supervisor can be reached always shall be provided. Service personnel shall be at the site within 3 hours after receiving a request for service. The control system shall be restored to proper operating condition within 3 calendar days after receiving a request for service. If a delay is anticipated, please notify the POC.

Repair Requests:

Major emergency repairs and/or additional work may be requested under this purchase order; however, Repair work over $2,500 may not be scheduled or performed without a modification to the current purchase order or a notice to proceed (NTP) is issued by the Contracting Officer in advance. Repairs under $2,500 will be approved by the POC and paid for using a government purchase card.

An on-site response time of not more than 3 hours is required for emergency services. The contractor shall be compensated for the additional work at a pre-determined hourly rate included in the purchase order through a modification to the purchase order. Materials shall be itemized on the invoice and not exceed published price listings, if applicable. The contractor may also be eligible for industry standard service call fees. This work shall be completed during normal work hours.

Defective Parts:

All defective parts replaced by the Contractor become the property of the Contractor and shall be disposed of off-site in accordance with local and state regulations.

Quality of Replacement Parts/Components and Service Call Parts:

All parts and materials supplied by the Contractor shall be new OEM or OEM equivalent. No refurbished parts will be accepted.

Painting:

Painting shall be as approved by the POC. Galvanized coatings which are damaged during work under this contract shall be touched up by application of a high zinc-dust content paint. All waste paints and solvents must be disposed of off-site in accordance with local and state regulations.

Warranties and Guaranties:

Contractor shall provide a written one year guarantee for all work (labor and materials) done under this contract as a repair or emergency repair.

The below list of equipment is representative of the equipment at this location. The Radar Operation Center highly recommends a site visit to ensure the accuracy of this list.

Appendix II – Covered Items

Consisting of:

a. Two condenser fan motors 1/3HP

b. Two heating sections

c. Two evaporator fan motors

d. Thermostat/Sub-base

e. Two hermetic compressors 5-Ton

1 Bard Package A/C Unit W60A2-B09 KREX Shelter/Unit 2 Consisting of:

f. Two condenser fan motors 1/3HP

g. Two heating sections

h. Two evaporator fan motors

i. Thermostat/Sub-base

j. Two hermetic compressors 5-Ton

1 MARVAIRE Compac II AVP24ACA05C-1000CL42152 TPMS Shelter

5 Bard Package A/C Unit WA721B09EP KCRI/RDA Shelter

Unit 1 - 187M021766958-02 Unit 2 - 187M021766957-02 Unit 3 - 187M021766959-02 Unit 4 - 187M021766960-02 Unit 5 - 187M021766956-02

1 Frigidaire SN: KK53002510 FFRH18L2R2 TMDE/TEST EQUIP Shelter

2 Bard Package A/C unit W60A1-B09EXXXXJ EHW60A-B09 KJIM Shelter

SN: 325A112775471-02/325P102763374-02

2 Bard Package A/C unit WH361-B09 APOS Shelter

SN: 133P940892481

Consisting of:

1 Bard Package A/C unit W18HA-A04/EHW18H-A04 Spares Shelter

SN: 313L173477186-02

Government Point of Contact:

Tammy Buie 405-573-3493 Tammy.K.Buie@noaa.gov

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