Amendment 004 is issued to extend the closing until Thursday October 12, 2023 at 5:00 p.m. Eastern Time and to provide updated DOL Rates Amendment 0003 is issued to extend the closing date until Thursday September 28, 2023 at 5:00 p.m. Eastern Time. Amendment 0002 is issued to extend the closing date until Thursday September 7, 2023 at 5:00 p.m. Eastern Time Amendment 0001 is issued for questions and answers. The Federal Aviation Administration, Boston Enroute Construction Office, has a new construction effort for all labor, equipment and materials for the AHU 6, 7, 8, 9 and 10 Replacement Project at the Jacksonville ARTCC, Hilliard, Florida The NAICS code is 238220, size standard of $19.00 million. This requirement is set aside exclusively for small businesses. The Request for Offer (RFO), including Specifications, Drawings, and Rates, are attached to this Announcement. All documents are available in .pdf format and may be viewed with the applicable version of Adobe Acrobat or Adobe Acrobat Professional. The price range for this requirement is $500,000.00 - $1,000,000.00 and Bonds are required. : A has been scheduled for Monday August 21, 2023 at 9:00 am. Due to security requirements all attendees must have a valid photo ID (i.e. state driver's license) to gain access to the . All contractors must submit a list of attendance by Friday August 18, 2023 to Susan.Newcomb@faa.gov. Your list must note which employees (name and company) will attend. Any attendee not on the official list will be denied access to the facility. NOTE TO OFFERORS: All amendments to the solicitation will be likewise posted on this website. Contractors are cautioned to check the website periodically for amendments. A solicitation mailing list will not be compiled and amendments will not be sent out in paper copy. All contractors must be registered in the System for Award Management (SAM) website to be eligible for award of a contract. Faxed offers and amendments will not be accepted. In addition, offerors are cautioned to read the RFO carefully and ensure all proposals conform to the requirements of Section L and M. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.