A04_SOW_HQ_-_VC_-_AAON_Unit.pdf

STATEMENT OF WORK

Service

HQ – VC AAON Unit

Aransas National Wildlife Refuge

1. General:

1.1 The U.S. Fish and Wildlife Service (USFWS), Aransas National Wildlife Refuge, requires replacement of the condenser coil for Circuit #1 on an AAON outdoor air handling unit (A-O-U

Model CFA-015-B-A-3-DAOEL, Serial No. 202306-CNCL16330). The existing condenser coil has developed a refrigerant leak that prevents proper operation of the HVAC system. The repair shall be performed at Aransas National Wildlife Refuge, Austwell, Texas.

1.2 Purpose/End Application: The purpose of this procurement is to restore the HVAC system to full operational condition by replacing the failed condenser coil, restoring refrigerant charge, and verifying proper system operation. The HVAC system provides climate control necessary for supporting continuity of government operations, cooling and dehumidifying the Visitor Center, a Government facilities, equipment, and employee working conditions.

1.3 Contractor Qualifications:

The contractor shall:

1) Be licensed to perform commercial HVAC work in the State of Texas.

2) Possess all required HVAC and electrical licenses applicable to the work.

3) Employ qualified HVAC technicians experienced with AAON commercial equipment.

4) Provide all labor, supervision, equipment, materials, refrigerant recovery equipment, testing equipment, and replacement parts necessary to complete the work.

5) Follow all EPA refrigerant handling requirements and applicable OSHA safety requirements.

1.4 Other: All replacement parts shall be new OEM components or manufacturer-approved equivalents. All work shall comply with manufacturer recommendations, EPA refrigerant regulations, OSHA safety standards, and accepted HVAC industry practices.

2. Place of Performance and Period of Performance

2.1 Location: Aransas National Wildlife Refuge at 1 Wildlife Circle Austwell, Texas 77950.

2.2 Performance start and end date: Performance shall begin upon contract award and continue until all work, testing, documentation, and Government acceptance have been completed.

The condenser coil has an estimated manufacturer lead time of approximately 15 weeks plus shipping, after which installation shall be scheduled with the Government.

2.3 Normal work hours shall be Monday through Friday between 7:00 a.m. and 4:00 p.m., unless otherwise approved by the Government.

2.4 Non-duty hours include week nights, weekends, and Government holidays (New Year’s Day, Martin Luther King JR.s’s Birthday, Memorial Day, Independence Day, Labor Day, Columbus

Day, Veteran’s Day, Thanksgiving Day, Christmas Day). Work outside normal duty hours shall require prior Government approval.

3. Scope

3.1 The contractor shall furnish all labor, supervision, transportation, materials, refrigerant, recovery equipment, testing equipment, replacement parts, tools, and incidental supplies necessary to replace the failed condenser coil and return the equipment to normal operating condition.

At a minimum, the contractor shall:

1) Coordinate work with Government personnel prior to mobilization.

2) Complete all required JST documentation before beginning work.

3) Utilize Lockout/Tagout procedures and verify zero energy before servicing equipment.

4) Recover existing refrigerant in accordance with EPA regulations.

5) Remove the failed condenser coil.

6) Install one new condenser coil for Circuit #1.

7) Replace the liquid-line filter drier.

8) Pressure test the refrigeration circuit using dry nitrogen to check for leaks.

9) Evacuate the refrigeration system to the manufacturer's required vacuum level.

10) Remove all UV dye and contaminants from the refrigeration system.

11) Recharge the system with new refrigerant to the manufacturer's specified charge.

12) Restore electrical power and remove Lockout/Tagout devices.

13) Start and operate the unit.

14) Verify operating pressures, temperatures, airflow, and overall system performance.

15) Perform a final leak inspection.

16) Clean the work area.

17) Notify the Government upon completion.

18) Provide written documentation describing repairs performed and operational test results.

The contractor shall not perform additional work outside this scope without prior written authorization from the Contracting Officer.

4. Deliverables and/or Delivery Schedule:

4.1 The contractor shall provide:

1) One fully operational AAON HVAC unit with Circuit #1 restored to service.

2) Documentation identifying:

- Refrigerant recovered and recharged;

- Condenser coil replacement;

- Filter drier replacement;

- Leak testing completed;

- Operational testing completed;

- Parts installed.

3) Manufacturer warranties for installed components.

4) Written service report documenting successful completion of repairs.

4.2 Contractor shall furnish documentation in electronic format to the Government.

5. Data Management Plan (DMP) for Science Data Agency Reference.

5.1 Data Management Plan

Not Applicable

6. Government-Furnished Equipment (GFE) / Government-Furnished Information

(GFI)

6.1 The Government will furnish access to the AAON HVAC equipment and the work site. No additional Government-Furnished Equipment is anticipated.

7. Evaluation and Acceptance

7.1 The contractor will be evaluated as detailed herein.

Government acceptance is contingent upon:

1) Completion of all contract requirements.

2) Successful pressure testing and leak verification.

3) Successful operational testing.

4) Delivery of all required documentation.

5) Verification that the HVAC unit is operating within manufacturer specifications.

8. Quality Control/Quality Assurance:

8.1 Repairs shall comply with manufacturer specifications, EPA refrigerant regulations, OSHA safety requirements, and accepted HVAC industry practices. Government personnel will verify successful operation before acceptance.

9. Technical Coordinator:

9.1 Primary Technical Coordinator:

Andy Stetter, Andrew_Stetter@fws.gov, (361) 349-1325

9.2 Secondary Technical Coordinator:

Jr Munoz, Santiago_Munoz@fws.gov, (830) 456-1763 mailto:Andrew_Stetter@fws.gov mailto:Santiago_Munoz@fws.gov