How to bid on Building 215 Clean Room HEPA Filter Replacement for NIST

What NIST is buying and why it matters

The National Institute of Standards and Technology (NIST) is seeking proposals from qualified small businesses to replace HEPA filters in the Building 215 clean room at its Gaithersburg, Maryland location. This is a construction category opportunity.

For small businesses specializing in clean room maintenance, HVAC, or related construction services, this project offers a chance to work with a federal agency on a specific, defined task.

Key dates and deadlines

The deadline for submitting questions and Requests for Information (RFIs) is July 29, 2026. All quotations must be received by 1:00 PM ET on August 7, 2026.

An additional site visit is scheduled for July 27, 2026, at 9:00 AM ET. Advance registration is required to attend this site visit. A previous site visit was held on June 15, 2026.

Who this opportunity suits

This opportunity is specifically set aside for small businesses. Firms with experience in clean room environments, HEPA filter replacement, HVAC systems, or specialized construction services are well-suited.

The project is located in Gaithersburg, Maryland, which may be a factor for local or regional contractors.

How to respond to this solicitation

To access the solicitation documents, click the “View original source” link. If the first click leads to the portal's homepage, click the link again to go directly to the bid. You may need a free account on the portal to view all documents, though this is not always required.

Review all attached documents, including Amendment 0003, which extends deadlines, schedules an additional site visit, and replaces sections L.1 (Instructions to Offerors) and M.1 (Basis for Award). Ensure your quotation adheres to the amended instructions and evaluation criteria.

Tips for a competitive response

Carefully read all amendments, especially Amendment 0003, as it contains critical updates to submission instructions and evaluation criteria. Your proposal must align with these revised requirements.

Attend the scheduled site visit on July 27, 2026, if possible, and register in advance. Site visits provide valuable context and allow you to ask questions directly. Submit any questions or RFIs before the July 29, 2026, deadline to ensure you have all necessary information.

Ensure your proposal clearly demonstrates your firm's qualifications and experience with HEPA filter replacement, clean room protocols, and similar construction or maintenance projects. Highlight your understanding of the specific requirements for working in a sensitive clean room environment.