Amendment 4 updates the SOW (CAO 25 September 2026), provides the MTA TAEevo Tech Guide Specifications sheet, and requires furnishing and installation of two MTA TAEevoTECH 121 air-cooled scroll chillers—complete with integrated pump, on-board buffer tank with immersed evaporator, closed expansion tank, and factory-installed modularity kit—compliant with MTA Guide Specifications. The effort at Buckley SFB also includes replacing an existing chilled water system and two computer room air handlers (CRAHs), with the new chiller system required to be Trane-series equipment IAW Air Force Civil Engineering installation standardization guidance. A formal site visit will be held at Buckley SFB on Tuesday, 1 September 2026 at 1330 MDT; attendees must be named to the Contracting Officer and Contract Specialist by 1000 MDT Monday, 31 August 2026, limited to three members per company, and arrive by 1230 MDT for base sponsorship. This is the only site visit, and questions following it are due to the Contracting Officer and Contract Specialist by 1000 MDT, 3 September 2026. Offerors who submitted quotes before Amendment 4 must resubmit final quotes to the CO/CS.

Buckley SFB requires replacement of an existing chilled water system and two computer room air handlers (CRAHs), with the new chiller system required to be Trane-series equipment in accordance with Air Force Civil Engineering installation standardization guidance. A formal site visit will be held at Buckley SFB on Tuesday, September 1, 2026, at 1330 MDT; it is highly encouraged and will be the only site visit for this requirement. Attendees must provide names to the Contracting Officer and Contract Specialist by 1000 MDT on Monday, August 31, 2026, limit attendance to no more than three members per company, and arrive by 1230 MDT for base sponsorship. Questions following the site visit are due to the Contracting Officer and Contract Specialist by 1000 MDT on September 3, 2026. Amendment 3 updated the Statement of Work, released the current chiller submittal document, and posted submitted questions and answers.

Buckley SFB requires replacement of an existing chilled water system and two computer room air handlers (CRAHs), with the new chiller system required to be Trane-series equipment in accordance with Air Force Civil Engineering installation standardization guidance. A formal site visit will be held at Buckley SFB on Tuesday, 1 September 2026 at 1330 MDT; it is highly encouraged, limited to no more than 3 attendees per company, and will be the only site visit for this requirement. Contractors must provide attendee names to the Contracting Officer and Contract Specialist by 1000 MDT Monday, 31 August 2026, and attendees must be sponsored onto base, arriving no later than 1230 MDT. Questions following the site visit are due to the Contracting Officer and Contract Specialist by 1000 MDT, 3 September 2026. Further details are provided in the attached Statement of Work.

A prospective offeror is needed to replace an existing chilled water system and two computer room air handlers at Buckley SFB. The new chiller system must be Trane-series equipment per Air Force Civil Engineering installation standardization guidance. A formal site visit is scheduled at Buckley SFB on 1 September 2026 at 1330 MDT, with attendance limited to three members per company. The Government emphasizes that this will be the only site visit for the requirement. No budget amount is specified in the description.

Buckley SFB requires replacement of an existing chilled water system and two computer room air handlers, with new Trane-series equipment per Air Force guidance. A formal site visit will be held at Buckley SFB on Tuesday, 1 September 2026 at 1330 MDT, and attendance is highly encouraged. Contractors must provide attendee names by 1000 MDT on Monday, 31 August 2026, with a limit of three members per company and arrival by 1230 MDT for base sponsorship. Questions following the site visit are due by 1000 MDT on 3 September 2026. Performance will take place at Buckley SFB.

Buckley SFB requires replacement of an existing chilled water system and two computer room air handlers with Trane-series equipment per Air Force standards. A formal site visit will be held at Buckley SFB on Tuesday, 1 September 2026 at 1330 MDT, with attendance highly encouraged and limited to three members per company. Contractor attendees must provide names by 1000 MDT on 31 August 2026 and arrive by 1230 MDT for base sponsorship. Questions following the site visit are due by 1000 MDT on 3 September 2026. The performance location is Buckley SFB.