Matsushima JASDF Base Storage Shelter — Construction of Other Warehouse Buildings

DEPT OF DEFENSE · DEPT OF THE AIR FORCE · PACIFIC AIR FORCES · FA5025 356 ECEG PK is soliciting Matsushima JASDF Base Storage Shelter — Construction of Other Warehouse Buildings. Solicitation number FA502526RB006. Classified under NAICS 236220 — Commercial and Institutional Building Construction. Product/service code Y1GZ — CONSTRUCTION OF OTHER WAREHOUSE BUILDINGS. Place of performance: JP-04, USA. Responses are due by 16 September 2026 00:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

Amendment 0002 Correction- RFI reponses were not included with Amendment 0002. Added to attachments, [RFIs-FA502526RB006 (27 Aug Updates)] Amendment 0002- The purpose of this Amendment is to: -Extend the proposal due date from 11 September 2026 to 16 September 2026 at 0000GMT / 0900JST -Update Requirement Description text -Remove requirement for Bond/Guarantee -Update RFI responses with further clarifications (2 clarified responses. Highlighted Yellow) -Add or Replace Updated Section J Attachments: -Replace previous SOW (Rev5) with updated revision 8 -Add updated Drawings (Drawing labeled "########" on SF30 is labeled "Transfer Surface Drawing" on SAM. Original Document name is "米軍工事転移表面") All other terms and conditions remain the same. Amendment 0001- The purpose of this amendment is to provide the responses to all RFIs submitted by the August 21st deadline. Additional questions will only be accepted if they relate directly to one of the government responses. Follow-up questions must be submitted by August 28th, at 1200 JST. As of now, there will not be an extension in the proposal submission deadline. If an updated SOW and drawings are not provided before the deadline, the answers in the RFIs will take precedence over any conflicting information within the documents. All other terms and conditions remain the same. Amendment 0: Due to internal system issues, this amendment will be considered "Amendment 0" for acknowledgement of amendments on block 19 of the SF 1442. We apologize for the inconvenience. Amendment details - Correction in response to RFI. "Block 13.b of the SF 1442" requires a bid bond/guarantee. Disregard this, as a bid bond/guarantee is not required for this requirement. The 356th Expeditionary Theater Support Group (356 ETSG/CONS) Contracting Office is posting this solicitation for a design-build construction project to deliver a membrane shelter at Matsushima Japan Air Self-Defense Force (JASDF) Base, Japan. Complete project requirements, technical specifications, and performance parameters are detailed in the attached draft Statement of Work (SOW) and corresponding project drawings. • Project Magnitude / ROM (Rough Order of Magnitude): Between $1,000,000 and $5,000,000 USD.

⚠️ SPECIAL NOTICE: MANDATORY JAPANESE LICENSING REQUIREMENT

In accordance with Japanese Construction Industry Law (Law No. 100 of 1949), the Prime Contractor (or the lead entity of a joint venture) MUST hold a valid Japanese Construction License at the time of proposal submission. • No Subcontracting of License: To ensure direct performance accountability and robust contract administration, the offering Prime Contractor itself (or the lead entity of a Joint Venture) must hold this license. Relying on a subcontractor's Japanese Construction License to satisfy this requirement is prohibited. • Compliance: Offerors must submit proof of the Prime Contractor's license with their technical proposal. Sub-contracting a company with the license will not be permitted. • Evaluation: This is a strict pass/fail threshold requirement. Proposals from prime vendors who do not hold this license or cannot demonstrate legal compliance with Japanese construction licensing laws will be determined non-compliant and excluded from evaluation.

1. Critical Acquisition Milestones & Deadlines

Please review the timeline below carefully. Late submissions or questions will not be entertained unless explicitly authorized by the Contracting Officer. All times are in Japan Standard Time (JST). •

Site Visit (Completed): An organized pre-solicitation site visit was held on 05 August 2026. No secondary or additional site visits will be hosted.

• Additional RFI Deadline: 21 August 2026 @ 09:00 AM JST. Additional RFIs must be sent via email to both designated POCs (see below) by this deadline to be answered. •

RFI Responses Posted: The government's RFI responses will be posted as an amendment to this notice no later than 24 August 2026.

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Proposal Submission Due Date: 11 September 2026 @ 09:00 AM JST.

2. Important Submission & Evaluation Instructions

• Request for Information (RFI) Ground Rules: Resulting from the August 5th site visit, RFIs were submitted and are currently in the process of being answered. Once the formal RFI responses are posted on August 24th, additional questions will only be accepted if they relate directly to one of the published government responses. This process may result in an extended proposal submission window, but does not guarantee additional response time. • Proposal Due Date Clarification: Please ignore any system-generated defaults on SAM.gov or within the SF 1447 block that state "00:00 local time" as the submission deadline. The official, legally binding deadline for proposal receipt is September 11th, 2026, at 09:00 AM JST. • Evaluation Guidelines: The full SF 1447 solicitation document contains all guidelines for proposal submission (Section L) and the evaluation factors for award (Section M). These instructions and evaluation factors will only be amended to correct clerical errors or clear up misunderstandings.

3. Contact Instructions

Please direct all questions, RFIs, and final proposal submissions* via email to both of the following Points of Contact: •

SSgt Cameron Smith: [contact details removed]

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SSgt Daniel Callahan: [contact details removed]

* For submissions over 10mb, they will not be accepted by our internal e-mail security measures. Offerors must submit a request for a DoDSAFE link to submit their proposals no later than 48hrs before submission deadline.