Amendment #5: The purpose of Amendment 0005 is to implement the following changes: PLA Removal: The mandatory Project Labor Agreement (PLA) requirement is eliminated in its entirety per HCA approved waiver (7 July 2026). FAR 52.222-34 and Section 00 22 13 are deleted. Clause Addition: FAR 52.223-2 (Affirmative Procurement of Biobased Products) is incorporated to correct an administrative omission. Wage Update: The Davis-Bacon Wage Decision is updated to ME20260051, Mod 1 (18 May 2026). Extension: The bid opening is extended to 28 July 2026 at Amendment #4: The purpose of this amendment is to extend the bid opening date to 16 July 2026. Amendment #3: The purpose of this amendment is to extend the bid opening date to 24 June 2026. Amendment #2: The purpose of this amendment is to update attachments 2-6, updated documents are marked accordingly. Amendment #1: The purpose of this amendment is to extend the bid opening date to 3 June 2026. The Maine Air National Guard is issuing an Invitation for Bids to award a single firm fixed-price contract for services, non-personal, to provide all plant, labor, transportation, materials, tools, equipment, appliances and supervision necessary for the Construction of a Fuels Systems Maintenance Hangar with Corrosion Control and other Maintenance functions utilizing conventional design and construction methods to accommodate the mission of the facility at Bangor Air National Guard Base, Maine. The contract duration will be 670 calendar days after notice to proceed to include inspection and punch list. This project is set aside 100% for Small Businesses. The North American Industry Classification System (NAICS) Code is 236220, with a small business size standard of $45,000,000. All details regarding the pre-bid conference are provided in the solicitation. Interested contractors are encouraged to attend and shall follow conference registration and base access requirements shown in the solicitation. A site visit will follow the pre-bid conference. All questions for the pre-bid conference must be submitted by 7 May 2026 via email to 101.MSG.MSC.Contracting@us.af.mil. The bid opening date is listed in the solicitation. Interested offerors must be registered in the System for Award Management (SAM). To register go to www.SAM.gov. Instructions for registering are on the web page (there is no fee for registration).