N--REPLACE HVAC AT APOLLO DISTRICT

Headquarters Building (HQB) Mechanical and Electrical Upgrades at the Mike Monroney Aeronautical Center (MMAC), Oklahoma City, OK.

SIR 6973GH-26-R-00082 and Attachments 1 through 16 are provided for potential offerors Amendment 0001 is hereby issued to to provide the Site Visit Attendees, provide Addendum 01 to the Specifications and Drawings included with this SIR, incorporate new AMS Clause 3.6.2-50, Implementation of E.O. 14398(INTERIM April 2026) and incorporate revised AMS Clauses 3.6.1-4 Small Business Subcontracting Plans (INTERIM April 2026) and 3.10.1-15, Changes-Construction, Dismantling, Demolition, or Removal of Improvements (INTERIM April 2026), revise the Minimum Offer Acceptance Period on Page 1, Block 11 of the SIR and AMS Clause 3.2.2.3-2, Minimum Offer Acceptance Period, revise the date for submission of Questions and extend the closing date of the SIR. Amendment 0002 is hereby issued to revise Provision M.3 RELEVANT EXPERIENCE AND PAST PERFORMANCE EVALUATION (REVISED MAY 15, 2026). Amendment 0003 is hereby issued to incorporate Amendment 0003, Attachment 1 - Questions and Answers, Attachment 2 - Addendum 02, Attachment 3 - Asbestos Abatement Information, Attachment 4 - HQB Furniture Information, and Attachment 5 - HQB Requested Photos. Amendment 0004 is hereby issued to remove Pages 1 and 2 of the Original SIR, Solicitation, Offer and Award, and incorporate New Pages 1 and 2, Solicitation, Offer and Award (Construction, Alteration, or Repair) attached. In addition, Amendment 0004 provides New Questions and Answers 160 through 165 (attached), establishes a firm cut-off date for submission of questions and extends the proposal due date to June 5, 2026. NOTE: OFFERORS ARE TO SUBMIT NEWLY INCORPORATED PAGES 1 AND 2, SOLICITATION, OFFER AND AWARD (CONSTRUCTION, ALTERATION, OR REPAIR) WITH THEIR PROPOSAL. Amendment 0005 is hereby issued to extend the proposal due date to June 10, 2026. Amendment 0006 is hereby issued to provide Questions and Answers 1 through 192, including new Questions and Answers 166 through 192. The proposal due date remains June 10, 2026. Amendment 0007 is hereby issued to incorporate Addendum 03, HQB Mechanical and Electrical Upgrades – SIR - 6973GH-26-R-00082, dated June 5, 2026.

AgencyTRANSPORTATION, DEPARTMENT OF

NAICS236220 · Commercial & Institutional Building Construction

PlaceOklahoma City, OK

Command Post and Nondestructive Inspection Room Renovations

The 136th Airlift Wing requires renovations of portions of Buildings 1672 and 1675 to support the relocation of the Command Post (B1672) and conversion of an area to a Nondestructive Inspection Room (B1675). This project is located at Naval Air Station Joint Reserve Base (NAS JRB) Fort Worth, in Fort Worth, Texas. The contractor shall furnish all labor, parts, tools, plant, equipment, appliances, transportation, and materials necessary to complete the project as specified in the attached documents. This procurement is a 100% set-aside for Small Business concerns. A site visit will be held and all prospective offerors are urged to attend. Site Visit Information: (a) Site Visit Date: May 14, 2026 (b) Site Visit Time: 10:00 AM (Local) (c) Site Visit Meeting Location: 136AW Civil Engineer Squadron, 100 Hensley Ave, Building 1671, NAS JRB Fort Worth, Fort Worth, Texas, 76127 (d) Instructions for Attendees: The Government will hold a site visit for the subject solicitation as noted above. To obtain installation access and the specific location for the site visit, interested parties must submit a request for attendance (not later than 48 hours prior to the scheduled site visit) to: 136.AW.MSC@us.af.mil and david.shamburger.5@us.af.mil The request for attendance must include the all attendees names (as they appear on government-issued identification) and the company name of each attendee. If confirmation of any request to attend is not received within 24 business hours of submission, it is advised to follow-up with the above points of contacts. Information provided at the site visit, as well as questions, shall not change/qualify the terms and conditions of the solicitation. Any needed changes to the solicitation will be implemented via a formal amendment. Request for Information shall be submitted by 2:00PM CT on May 20, 2026, to the following email address: 136.AW.MSC@us.af.mil Project specifics may be found in the attached solicitation and associated documents. Amendment 0001 has been posted on May 13, 2026. Amendment 0001 updates the drawings / plans for B1672 (CLIN 0001). Amendment 0002 has been posted on May 29, 2026. Amendment 0002 incorporates contractor received RFIs and extends the response due date. Amendment 0003 has been posted on June 05, 2026. Amendment 0003 incorporates additional contractor received RFIs by updating the RFI Worksheet attachment posted to this notice. Additionally, fire alarm system photographs are being posted for reference only. The response due date is not extended with this amendment.

AgencyDEPT OF DEFENSE

NAICS236220 · Commercial & Institutional Building Construction

PlaceNaval Air Station JRB, TX

Z1NB--Boiler replacement

AgencyVETERANS AFFAIRS, DEPARTMENT OF

NAICS236220 · Commercial & Institutional Building Construction

PlaceDurham, NC