Indefinite Delivery/Indefinite Quantity (IDIQ) Contract to Repair and Replace Roof Systems at Commander Fleet Activities Yokosuka (CFAY) and Naval Air Facility Atsugi (NAFA), Japan

Amendment 0001 INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ) CONTRACT TO REPAIR AND REPLACE ROOF SYSTEMS AT COMMANDER FLEET ACTIVITIES YOKOSUKA (CFAY) AND NAVAL AIR FACILITY ATSUGI (NAFA), JAPAN. The purpose of this amendment is to revise the IFB solicitation N4008426B1005 issued 02 July 2026. The following enclosures are applicable to Amendment 0001: (1) Encl 1_Revised Roofing IDIQ Price Schedule.xlsx, (2) Encl 2_1828710 Revised Seed Project Drawings.pdf, (3) Encl 3_Revised Seed Project Price Schedule.xlsx, and (4) Encl 4_Notice 1.pdf. The due date for bid submission remains unchanged at 05 August 2026 at 2:30 p.m. JST.

INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ) CONTRACT TO REPAIR AND REPLACE ROOF SYSTEMS AT COMMANDER FLEET ACTIVITIES YOKOSUKA (CFAY) AND NAVAL AIR FACILITY ATSUGI (NAFA), JAPAN This acquisition is for a Firm Fixed Price Indefinite Delivery/Indefinite Quantity (IDIQ) contract for roofing construction services at various locations at Commander Fleet Activities Yokosuka (CFAY) and Naval Air Facility Atsugi (NAFA), Japan. Work includes, but is not limited to, repair and replacement of roof systems and related works such as coping, flashing, drain, gutter and downspout, foundation and steel support for mechanical and electrical equipment and piping, painting, temporary works, sampling, asbestos containing materials (ACM) abatement, and other miscellaneous works. The total estimated magnitude for the life of this contract is between JPY 1,000,000,000 and JPY 5,000,000,000. The solicitation includes the following seed project: eProjects Work Order Number (WON) 1828710YSK-1390, Replace Roof at Bldg. 1390, Yokosuka, and NDK-100135, Replace Roof of Cold Storage at Bldg. 100135, North Dock, Yokohama, Japan A two-day site visit to the seed project locations will be conducted on Thursday July 9, 2026 at Bldg 100135 in North Dock Yokohama and on Friday July 10, 2026 at Bldg 1390 in CFAY at 10:00 a.m. on each day. See Attachment 5 of this solicitation for important site visit requirements, including safety gear and meeting location information. Interested bidders who wish to attend the pre-bid site visit but DO NOT have current base access to the seed project locations MUST email the required base access request documents in Attachment 6 of this solicitation to tomoko.kanzaki.ln@us.navy.mil NO LATER THAN Monday, July 6, 2026 at 10:00 a.m. Japan Time. Sealed Bidding procedures in accordance with FAR Part 14 will be utilized to award to the responsible offeror whose bid, conforming to the solicitation, is the most advantageous and offers the best value to the Government. Any contract resulting from this solicitation will be awarded and performed in its entirety in the country of Japan. Contractors must be duly authorized to operate and conduct business in Japan. Prior to award of any contract, bidders must be registered to do business in Japan and possess a construction license (Kensetsu Gyo Kyoka) issued by the Ministry of Land, Infrastructure and Transport, or prefectural government. Bidders will be required to provide verification of such construction license.

Interested bidders can view and/or download the solicitation documents on the Solicitation Module in the Procurement Integrated Enterprise Environment (PIEE). All bids (with all required supporting documentation) shall be electronically submitted through the PIEE Solicitation Module so that they are received by the date and time specified in Block 13 of the Standard Form (SF) 1442.

INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ) CONTRACT TO REPAIR AND REPLACE ROOF SYSTEMS AT COMMANDER FLEET ACTIVITIES YOKOSUKA (CFAY) AND NAVAL AIR FACILITY ATSUGI (NAFA), JAPAN This acquisition is for a Firm Fixed Price Indefinite Delivery/Indefinite Quantity (IDIQ) contract for roofing construction services at various locations at Commander Fleet Activities Yokosuka (CFAY) and Naval Air Facility Atsugi (NAFA), Japan. Work includes, but is not limited to, repair and replacement of roof systems and related works such as coping, flashing, drain, gutter and downspout, foundation and steel support for mechanical and electrical equipment and piping, painting, temporary works, sampling, asbestos containing materials (ACM) abatement, and other miscellaneous works. The total estimated magnitude for the life of this contract is between JPY 1,000,000,000 and JPY 5,000,000,000. The solicitation includes the following seed project: eProjects Work Order Number (WON) 1828710YSK-1390, Replace Roof at Bldg. 1390, Yokosuka, and NDK-100135, Replace Roof of Cold Storage at Bldg. 100135, North Dock, Yokohama, Japan A two-day site visit to the seed project locations will be conducted on Thursday July 9, 2026 at Bldg 100135 in North Dock Yokohama and on Friday July 10, 2026 at Bldg 1390 in CFAY at 10:00 a.m. on each day. See Attachment 5 of this solicitation for important site visit requirements, including safety gear and meeting location information. Interested bidders who wish to attend the pre-bid site visit but DO NOT have current base access to the seed project locations MUST email the required base access request documents in Attachment 6 of this solicitation to tomoko.kanzaki.ln@us.navy.mil NO LATER THAN Monday, July 6, 2026 at 10:00 a.m. Japan Time. Sealed Bidding procedures in accordance with FAR Part 14 will be utilized to award to the responsible offeror whose bid, conforming to the solicitation, is the most advantageous and offers the best value to the Government. Any contract resulting from this solicitation will be awarded and performed in its entirety in the country of Japan. Contractors must be duly authorized to operate and conduct business in Japan. Prior to award of any contract, bidders must be registered to do business in Japan and possess a construction license (Kensetsu Gyo Kyoka) issued by the Ministry of Land, Infrastructure and Transport, or prefectural government. Bidders will be required to provide verification of such construction license.