The Tinker AFB 2026 MACC solicitation was published on Aug 04, 2026. Proposals are due September 11, 2026, at 4:00 PM CT. With a $950 million IDIQ ceiling, a ten-year ordering period, and two separate award pools covering both small business and full and open competition, the Tinker AFB 2026 Multiple Award Construction Contract is one of the most significant federal construction opportunities in the current procurement cycle.
For design build firms, general construction contractors, and engineering and facility modernization companies with DoD installation experience, this vehicle is not a long-shot pursuit. It is a defined, structured opportunity where the right preparation and the right self-scoring strategy determine who wins a seat and who does not.
In this blog, we break down exactly what this contract is, how the HTRO evaluation methodology works, what scoring categories carry the most points, and what firms need to do before September 11.
The Opportunity at a Glance
| Field | Details |
|---|---|
| Solicitation Number | FA8137-26-R-0040 |
| Agency | Department of the Air Force, Air Force Sustainment Center |
| Place of Performance | Tinker Air Force Base, Oklahoma City, Oklahoma |
| NAICS | 236210 – Industrial Building Construction |
| Total IDIQ Ceiling | $950,000,000 |
| Award Type | Multiple Award IDIQ – Two Separate Pools |
| Base Ordering Period | 5 years |
| Optional Ordering Period | 5 years |
| Minimum Guarantee | $500, satisfied through a post-award conference task order |
| Proposal Due Date | September 11, 2026, 4:00 PM CT |
| Submission Method | Electronically via PIEE Solicitation Module |
| Performance Start | March 26, 2027 |
Opportunity Link: https://sam.gov/workspace/contract/opp/dee0a8e2d6fc4a9ebfb38159a4726c29/view
Two Award Pools
The contract establishes two award pools: a Small Business Pool and a Full and Open Pool. Any offeror that meets the solicitation requirements, achieves the Minimum Technical Threshold Rating, and is determined responsible may receive an award. There is no predetermined cap on the number of awardees, which means firms that meet the threshold can win a seat regardless of how many competitors submit. The MTTR for the Small Business Pool is 8,190 points. The Full and Open Pool threshold is 7,140 points.
What Tinker AFB Actually Is
Tinker Air Force Base occupies approximately 5,500 acres east of Oklahoma City and encompasses more than 458 facilities totaling approximately 18.7 million square feet. It serves as the headquarters of the Air Force Sustainment Center and houses one of the Air Force’s largest industrial complexes, supporting aircraft overhaul, engine maintenance, software sustainment, and logistics operations.
The installation hosts the 552d Air Control Wing, Navy Strategic Communications Wing ONE, the 507th Air Refuelling Wing, the 38th Cyberspace Engineering Installation Group, and the Defense Logistics Agency Distribution Center, Oklahoma City. Its infrastructure portfolio spans industrial facilities, administrative buildings, warehouses, dormitories, medical facilities, and extensive utility systems including electrical distribution, natural gas, sanitary sewage, steam, chilled water, compressed air, and petroleum infrastructure. This breadth of facility types and utility complexity represents the real scope of what task orders under the MACC will require.
How the HTRO Methodology Works
The Tinker AFB MACC uses a Highest Technically Rated Offeror methodology with Minimum Technical Threshold Ratings under the Revolutionary FAR Overhaul framework. There is no price evaluation at the IDIQ award level. Award decisions are made entirely on the basis of validated self-scoring. Firms that score at or above the MTTR win a seat. Those that fall below do not, regardless of price or narrative quality.
The government validates only those submissions that meet or exceed the threshold. The burden of proof rests entirely with the offeror. Unsupported or inadequately substantiated claims may be reduced to zero points. This means every claimed point must be backed by documentation that survives government review. A claim without evidence is not a partial score. It is no score.
What the Scoring Categories Reward
The evaluation covers four technical sections, and understanding where the highest-value points concentrate is the foundation of a competitive self-scoring strategy.
Section 1: Relevant Construction Experience
covers four categories. Category 1 rewards commercial, industrial, and residential multi-trade construction experience. Category 2 specifically scores Department of War and Department of Defense construction experience, which carries particular weight given the installation’s DoD environment. Category 3 rewards multiple concurrent multi-trade project execution, reflecting the MACC’s expectation that awardees manage multiple simultaneous task orders. Category 4 covers specialized construction disciplines that go beyond standard general contracting scope.
Section 2: Design Experience
scores Design-Build prime contractor experience and compliance with UFGS 01 33 16.00.10, the unified facility guide specification governing design-after-award requirements. Design build firms that have executed projects at the 100 percent Issued for Construction level, with designs signed and sealed by Oklahoma-licensed architects and engineers, are positioned to claim points in this section that construction-only firms cannot access.
Section 3: Certifications
rewards Project Management Professional certifications, Leadership in Energy and Environmental Design credentials at both GA and AP levels, safety certifications above the minimum Site Safety and Health Officer requirements, and quality certifications above the minimum Quality Control Manager requirements. Certifications in this section are among the most efficient points available because they require documentation rather than project narrative construction.
Section 4: Staffing
scores the depth and qualification of the proposed team across trade and construction laborers, architects and engineers, contract program managers, quality control managers, site safety and health officers at Levels 1 through 3, design program managers, and superintendents. Staffing depth that goes beyond minimum requirements generates additional points and signals to the government that the contractor can execute concurrent task orders without resource constraint.
Required Clearances and Certifications
The solicitation identifies specific credential requirements that firms must address in their submissions. These include Oklahoma-licensed architects and engineers for all applicable design services, PMP certifications, LEED credentials, safety certifications above minimum SSHO levels, quality certifications above minimum QCM levels, and compliance with EM 385-1-1 Safety and Health Requirements and applicable OSHA standards. Firms that hold these credentials within their existing workforce, or that can commit named credentialed personnel in their proposal, generate scoring credit that firms assembling credentials at the last minute cannot replicate credibly.
Prior experience performing construction on active military installations is specifically noted in the solicitation as a significant advantage. This is not a soft preference. It is a direct signal about what the government’s evaluation team considers differentiating, and it should be addressed explicitly in every relevant section of the technical submission.
The Teaming and Pool Decision
The pool decision, Small Business or Full and Open, must be made now and built into the submission strategy from the start. Firms that qualify as small businesses under the $45 million size standard for NAICS 236210 should evaluate whether their self-scoring capability supports the 8,190-point MTTR for the Small Business Pool before committing to that submission path. The Full and Open threshold of 7,140 points is lower, and firms with strong DoD experience but potentially lower certification depth may find the Full and Open Pool more achievable.
Teaming decisions follow directly from the gap analysis. A design build firm with strong multi-trade construction experience but limited in-house engineering credentials can fill the design section scoring gap through a teaming arrangement with a licensed architecture and engineering firm. A general contractor without LEED-certified personnel can add a credentialed individual through a formal teaming partner or a committed subcontractor whose credentials can be claimed in the staffing section. These decisions need to be made now, documented formally, and reflected consistently across every section of the proposal.
Also Read: Winning the Air Force Sustainment Center MACC: Mastering the HTRO Self-Scoring Strategy
Key Takeaways
The Tinker AFB 2026 MACC carries a $950 million ceiling across a ten-year ordering period with two award pools and no cap on the number of awardees. The HTRO-MTTR methodology means validated self-scoring determines award, with no price evaluation at the IDIQ level. The Small Business MTTR is 8,190 points and the Full and Open MTTR is 7,140 points. DoD and Department of War construction experience, design-build prime contractor history, certification depth, and staffing breadth are the highest-leverage scoring categories. Every claimed point requires substantiating documentation or it scores as zero.
Proposals are submitted via PIEE and are due September 11, 2026 at 4:00 PM CT. The teaming and pool decision must be made immediately to allow adequate proposal development time.
Conclusion
A $950 million IDIQ at one of the Air Force’s most active and complex installations does not appear in every business development cycle. The HTRO methodology means the firms that win seats are the ones who scored more validated points, not the ones who wrote the most compelling narrative or submitted the lowest price. That is a preparation and documentation discipline challenge, and the September 11 deadline leaves a defined and shrinking window to meet it.
For design build firms, federal construction contractors, and engineering and facility modernization companies preparing to pursue the Tinker AFB 2026 MACC, iQuasar’s proposal development team provides end-to-end support across self-scoring strategy, work sample selection, cross-reference matrix development, certification documentation, and PIEE submission management. Contact us today before the September 11 deadline closes the window.
