This is a Request for Proposal (RFP) for commercial, non-personal services prepared in accordance with Revolutionary Federal Acquisition Overhaul (RFO) Part 12 "Acquisition of Commercial Products and Commercial Services", Part 15 "Contracting by Negotiation", and Part 36 "Construction and Architect-Engineer Contracts" procedures. This acquisition is 100% set aside for Small Business Concerns. The North American Industry Classification System (NAICS) code associated with this requirement is 236220 "Commercial and Institutional Building Construction". The Small Business Size Standard associated with this NAICS is $45,000,000.00. The 5th Contracting Squadron, Minot Air Force Base (AFB), North Dakota, is requesting proposals to establish the base award(s) for a Minot AFB Multiple Award Construction Contract (MACC), Indefinite Delivery Indefinite Quantity (IDIQ) vehicle. The MACC IDIQ will fulfill a continuous and recurring need for a broad range of design-bid-build and design-build construction projects to support the missions of the 5th Bomb Wing, 91st Missile Wing, and multiple tenant units assigned to Minot AFB. There is no seed project included with this solicitation. The MACC will have an initial five (5)-year ordering period with one (1), five (5)-year optional ordering period. The total aggregate maximum amount expendable under the entire MACC lifecycle SHALL NOT EXCEED $500,000,000.00. The guaranteed minimum amount over the life of the MACC is $500.00. The awardees' guaranteed minimum will be satisfied by attendance at the MACC Post-Award Conference. NOTICE TO OFFERORS (AVAILABILITY OF FUNDS): Funds are not available for the minimum guarantee. Award under this solicitation is contingent upon the availability of appropriated funds from which payment for contract purposes can be made. The Government reserves the right to cancel this solicitation at any time. In the event the Government cancels this solicitation, the Government has no obligation to reimburse an offeror for any costs. The complete solicitation package is available in this posting. Anyone wishing to participate in this proposed procurement must obtain their copy from this website. Copies will not be distributed from the Contracting Office. All amendments will be posted on SAM.gov. Contractors are solely responsible for obtaining amendments from this site to update files. The complete solicitation package includes eight (8) attachments: 1. MACC Statement of Work 2. MACC Ordering Guide 3. MACC Specifications 4. Section L - Instructions to Offerors 5. Section M - Evaluation Factors for Award 6. Davis-Bacon Act Wage Determinations 7. Financial Responsibility Authorization Letter 8. Subcontractor Consent Letter 9. Questions and Answers (Q&A) 10. Past Performance Portfolio NOTICE TO OFFERORS (MANDATORY SAM REGISTRATION): All prospective contractors must be registered and active in the System for Award Management (SAM) at time of receipt of proposals. Failure to be active and registered in SAM will cause your firm to be ineligible for award. Offerors are highly encouraged to thoroughly review all solicitation documents prior to submitting their proposal. All responsible sources may submit a proposal which will be considered by the agency. All contractors’ questions in response to this solicitation must be emailed to 5CONS.PKA-C.MACC@us.af.mil no later than 31 August 2026 at 10:00 AM CDT. The Government will not be held responsible for answering any questions after this time. All questions/answers resulting from this solicitation will be posted to SAM.gov as an amendment. ***AMENDMENT 3*** This amendment incorporates Attachment 10 - Past Performance Portfolio; updates Attachment 4 - Section L, Attachment 5 - Section M, and Attachment 9 - Q&A, reformats the SF 1442 and Amendment SF30s to remove password protection, and reformats Attachment 8 to remove CUI markings. This amendment also updates Section J in the SF1442 to align with the most current versions of the attachments. A conformed SF 1442 and SF 30 for this amendment have been included in this SAM posting. ***AMENDMENT 2*** This amendment uploads questions and answers, updates section L, Update Section J in the SF1442 to align with most current versions of attachments, upload conformed SF 1442 and SF 30 into this solicitation attachments. ***AMENDMENT 1*** This amendment uploads questions and answers, updates sections L & M, updates the MACC Ordering Guide, updates the MACC SOW and pushes proposals due for 8 October 2026.