How to bid on a measuring weir replacement for US Fish and Wildlife Service

What the agency is buying

The U.S. Fish and Wildlife Service needs a contractor to design and build an in-canal concrete water control structure at the Modoc National Wildlife Refuge in Alturas, California. This structure must be durable, safe, and structurally sound, supporting expected load capacities for tractor-trailer and pedestrian traffic.

The project emphasizes functionality, accessibility, sustainability, and environmental protection. It also requires adherence to all local, state, and and federal regulations, including the Davis-Bacon Act for wage rates. The estimated value of this construction project is between $50,000 and $60,000.

Key dates and deadlines

Proposals are due by Friday, August 28, 2026, at 12:00 PM PST. A site visit is scheduled for Tuesday, August 4, 2026, at 1:00 PM PST. Questions about the solicitation must be submitted via email by Wednesday, August 14, 2026, at 12:00 PM PST.

The anticipated performance period for this project is 62 calendar days, from August 31, 2026, to October 30, 2026. The contractor will receive a Notice to Proceed within 10 calendar days after the contract award.

Who this opportunity suits

This is a total small-business set-aside opportunity under NAICS code 237310, which covers Highway, Street, and Bridge Construction. The small business size standard for this NAICS code is $45 million. Firms with experience in designing and constructing concrete water control structures, especially those that can support heavy traffic and meet environmental standards, are well-suited.

Contractors must be appropriately licensed and certified within the state of California and be registered in the System for Award Management (SAM.gov) with an active vendor status by the time an award decision is made.

How to respond

To access the solicitation documents, you will need to view the original source on the portal. You may need to click the link twice to reach the bid page directly. A free account may be required to view some documents.

Proposals must be submitted via email to [email protected]. Your proposal should include the solicitation document with unit and total prices on company letterhead, a pricing form, your SAM.gov UEI code, and a point of contact phone number and email address. Also include a copy of FAR provision 52.212-3 Offeror Representations and Certifications -- Commercial Items with applicable sections completed. All questions must also be submitted via email to the same address, with the solicitation number in the subject line.

Tips for a competitive response

Attend the scheduled site visit on August 4, 2026. This is strongly encouraged to help you understand the project location and site conditions, which can inform a more accurate and competitive proposal.

Your technical bid should detail your approach to construction, including your schedule, labor resources, and how you will comply with applicable building codes and safety standards. The award will be based on your technical approach, past performance, and price.

Be prepared to provide 100% performance and payment bonds. These bonds are required and must be submitted no later than 10 calendar days after the contract award. Failure to provide the required bonds may lead to contract termination.