How to bid on the Rio de la Plata Flood Control Project for the Dept of Defense

What the agency is buying

The Department of Defense is seeking a contractor for the Rio de la Plata Flood Control Project, Supplemental Contract 1, located in Dorado and Toa Baja, Puerto Rico. This will be a firm-fixed-price, design-bid-build construction contract. The estimated value of this project is between $250 million and $350 million.

Key dates and deadlines

This Request for Proposal (RFP) was published on August 13, 2026. The deadline for proposal submission is September 15, 2026, at 2:00 PM ET. An organized site visit has been scheduled; details are in Section 00 73 00 of the solicitation. Three amendments have been posted: Amendment 0001 on July 2, 2026, Amendment 0002 on August 4, 2026, and Amendment 0003 on August 13, 2026.

Who this opportunity suits

This opportunity is suitable for construction firms, particularly those specializing in heavy and civil engineering construction. The project falls under NAICS code 237990, which has a small business size standard of $45 million. Firms with experience in large-scale flood control or similar infrastructure projects would be well-suited.

How to respond

To access the official solicitation, supporting documents, and amendments, you need to use the PIEE Solicitation Module Link for W51DQV26RA002. Click on the provided link, which will direct you to the PIEE system. Once there, scroll to the bottom of the page to find all available documents for this solicitation. You may need a free account to view some documents.

Practical tips for preparing a competitive response

Given the project's magnitude and the design-bid-build nature, ensure your proposal clearly outlines your firm's experience with similar large-scale construction projects. Pay close attention to the scope of work detailed in Section 00 31 32. Review all three amendments carefully, as they may contain important updates or clarifications.

Since real estate rights for the entire construction site have not yet been obtained, understand that access will be provided before the full Notice to Proceed is issued. Factor this into your planning and proposal. Attending the organized site visit is highly recommended to gain a comprehensive understanding of the project site and conditions.