D/B Construct Logistics Resupply Pad and Improve Access Road at Bahn Di Lang Range, Lopburi, Thailand

Amendment N6274225R65020002 – Responses to PPIs, Revised SOW, Revised BOQ, and Incorporation of FAR Clause 52.217?7 Option for Increased Quantity – Separately Priced Line Item, (MAR 1989) This amendment provides responses to the Pre?Proposal Inquiries (PPIs), revises the Statement of Work (SOW), updates the Bill of Quantities (BOQ), and incorporates FAR Clause 52.217?7, Option for Increased Quantity – Separately Priced Line Item (MAR 1989). The proposal submission due date remains unchanged and is still July 22, 2025, at 11:00 AM, Thailand Time.

Please see the amendment 0002 (pdf file) and revised BOQ form (excel file) in the attachment.

Amendment, N6274225R65020001 - Extend the proposal due date This amendment is to extend the due date of proposal submission from July 15, 2025 to July 22, 2025 at 1100am, Thailand Time. All other paragraphs, provisions, and conditions remain unchanged. Please see the amendment in the attachment.

Pre-Proposal Inquiries (PPIs): All inquiries related to the Request for Proposal (RFP) must be submitted electronically using the Pre-Proposal Inquiry Form (Enclosure 1) provided with this solicitation.

The completed PPI form (Excel file) shall be submitted to the Contract Specialist no later than seven (7) calendar days after the Pre-Proposal Site Visit (PPSV) or June 30, 2025. Solicitation: This solicitation is associated with Sources Sought Notice ID# N6274225R6502 D/B Construct Logistics Resupply Pad and Improve Access Road at Bahn Di Lang Range, Lopburi, Thailand This is a design-build project for the complete design and construction of a Logistics Resupply Point (LRP) concrete pad and improvements to the access road at Bahn Di Lang Range, Lopburi, Thailand.

The work includes constructing a concrete pad for the LRP and upgrading approximately 21 kilometers of access road with grading, compaction, and a compacted crushed gravel overlay to support heavy-wheeled vehicle traffic and ensure proper drainage to prevent surface ponding and road damage. The project also includes installing low-water crossing points composed of reinforced concrete slab fords. Pre-Proposal Site Visit (PPSV).

The PPSV is scheduled on June 23, 2025 at the project site. -On June 23, 2025, at 0900 AM, all offerors must meet NAVFAC personnel before entering the project site. The meeting point is Cafe Amazon, located inside the PTT Station on Phahonyothin Road, approximately 200 meters before the West Gate of the Artillery Center (GPS Coordinates: N14.884421, E 100.631778) -Due to muddy road conditions caused by the ongoing rainy season, standard passenger vehicles cannot access the site.

The Royal Thai Army (RTA) will not provide transportation for this site visit. Offerors must arrange for a four-wheel drive (4WD) vehicle to reach all site visit locations. Off-road motorcycles and All-Terrain Vehicles (ATVs) are also permitted for site access. The estimated travel time is approximately three hours. Attendees should be prepared for challenging environmental conditions, including dust, mud, and wet terrain. Appropriate clothing, sun protection, face masks, and sufficient drinking water are strongly recommended.

Attachments: 1) Solicitation N6274225R6502 2) Pre-Proposal Inquiry Form, Excel File 3) ) Blank Bill of Quantity (BOQ), Excel File