The USDA is seeking quotations for a PVC water well at the Southern Horticulture Laboratory in Poplarville, MS, as a total small business set-aside under NAICS 237110 with a $45.0 million size standard. Amendment 01 posts a revised Statement of Work and responses to RFIs, and acknowledgment of the amendment is required with quote submission. Optional organized site visits are scheduled for September 10, 2026 at 1:00 PM CDT and September 11, 2026 at 9:00 AM CDT, with attendance registration required by September 9, 2026 at 4:00 PM CDT. Questions must be submitted in writing to Contracting Officer Josh Dobereiner, answers will be posted as an amendment, and AI-generated questions will not be answered. Technical attachments include the Statement of Work, Wage Determination, and change-order definitization information.