Attachment_1_-_Statement_of_Work.docx

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HVAC Rehab Visitor Center Detroit River MI
Solicitation number
140FC226Q0027
Issued by

About this file

This is a Statement of Work for HVAC compressor replacement and commissioning services at the Detroit River International Wildlife Refuge visitor center in Trenton, Michigan. The project requires removal of a failed condensing unit and installation of a new ACCU-3 unit to restore cooling capacity to the facility. The scope encompasses 13 specific tasks including isolation and disposal of contaminated refrigerant, disconnioning electrical and mechanical systems, removal via crane service, installation of the replacement unit, reconnection of electrical systems, installation of suction and liquid line driers, nitrogen pressurization and leak testing, vacuum pulling, refrigerant charging, startup verification, and commissioning to existing indoor units. The contractor must not perform any structural, mechanical, electrical, roofing, or refrigerant piping modifications beyond those explicitly stated, and verification of existing building management system communication is limited to confirming functionality post-replacement.

Work must be performed during facility operating hours of Monday through Friday, 8:00 AM to 4:30 PM, excluding federal holidays, and coordinated with on-site staff at the occupied facility. The solicitation is a firm-fixed-price construction contract valued between $25,000 and $100,000, issued by the Department of the Interior Fish and Wildlife Service under solicitation number 140FC226Q0027, with a 20-calendar-day period of performance following Notice to Proceed. Quotes are due May 14, 2026, at 1100 Central Time via email to elvia_arellano@fws.gov, with questions due by May 12, 2026. Past performance will be evaluated as part of award criteria. Site visits may be arranged in advance by contacting Refuge Manager Daniel Kennedy at (313) 269-5370.

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Text version

Statement of Work The project at Detroit River International Wildlife Refuge will repair a failed compressor. This repair is required to maintain cooling needs of the visitor center. Not cooling the building will create unsafe employee conditions and the visitor center will be closed to visitors. The compressor to be replaced will allow HVAC cooling in the building.

Outdoor Scope:

1. Isolate Condensing unit, remove and weigh charge then dispose of contaminated refrigerant (perform oil analysis, any clean up excluded)

2. Disconnect electrical

3. Disconnect mechanical piping and prep unit for removal

4. Remove existing unit with crane service

5. Provide and set in place new ACCU - 3 unit

6. Reconnect electrical

7. Install suction and liquid line drier external of the unit

8. Pressurize unit with nitrogen and tracer gas

9. Perform refrigerant leak check

10. Remove nitrogen charge and pull vacuum

11. Provide new refrigerant charge and charge unit

12. Perform start up and verify operation

13. Commission to existing indoor units.

No structural, mechanical, electrical or roofing modifications to building or existing system other than what is included above.

No modifications to existing refrigerant piping other than at point of contact for installation and what's included above.

No modification to Itouch Manager other than verifying communication once units have been replaced Work Site Conditions and Hours:

The work covered in this scope will be in an occupied facility, so all work will need to be coordinated with on-site staff.

Work hours at the facility are Monday through Friday; 8:00 AM to 4:30 PM. Excluding Federal Holidays.

Facility Location:

Detroit River International Wildlife Refuge 5437 West Jefferson Ave Trenton, MI 48183

File details come from the government source that posted it. Updated .