How to bid on Communications Site Infrastructure IDIQ with Department of the Interior

What the agency is buying

The Department of the Interior is seeking a small business to provide construction and modernization services for radio communications site infrastructure. This will be a single-award Indefinite Delivery, Indefinite Quantity (IDIQ) contract with a five-year ordering period, expected to run from November 1, 2026, through October 31, 2031.

The contract has a guaranteed minimum value of $100,000 and a maximum value of $2.5 million. Services will be ordered through firm fixed-price task orders, with the first task order fulfilling the minimum quantity requirement and awarded concurrently with the basic contract.

Key dates and deadlines

The solicitation was published on August 3, 2026. All questions regarding this opportunity must be submitted in writing by August 18, 2026, at 12:00 PM PST. Proposals are due by September 3, 2026, at 3:00 PM PST. Proposals must be emailed; hardcopy submissions will not be accepted.

Who this opportunity suits

This opportunity is set aside for small businesses. It is suitable for firms specializing in construction, specifically Power and Communication Line and Related Structures Construction (NAICS 237130). The associated size standard for this NAICS code is $45 million. The work involves construction of other non-building facilities (PSC Code Y1PZ).

Prospective contractors must have an active registration in the System for Award Management (SAM.gov) at the time of proposal submission and must provide their Unique Entity Identification (UEI) number.

How to respond

To access the solicitation documents, click “View original source” on the portal. You may need to click it twice to reach the specific bid page. A free account might be required to view documents.

Proposals must be emailed to [email protected] by the deadline. Your submission must include a signed SF 1442 form, a firm fixed-price proposal and quote for Task Order #1, a technical submission, past performance information with at least three references, your SAM.gov UEI, and confirmation of RSVP for the required site visit.

Tips for preparing a competitive response

Ensure your pricing for all labor categories is clearly presented for each of the five years in the Schedule of Pricing. Since this is a firm fixed-price contract, accurate and competitive pricing is crucial.

Pay close attention to the technical submission requirements, including work plans, key personnel qualifications, training, certifications, your quality control plan, and safety program. These elements demonstrate your capability to perform the required services.

Provide detailed and relevant past performance information for contracts completed within the last five years that are similar in scope. Ensure all contact information for your references is accurate and up-to-date. Remember that the Service Contract Act and Construction Wage Requirements Statute (prevailing wage) will apply, so factor this into your pricing and planning.