Steam Tunnel Ventilation Replacement
Closed Solicitation Posted
This opportunity was awarded. See the award notice from .
- Solicitation number
- 1333ND26RNB190032
- Agency
- National Institute of Standards and Technology Department of Commerce
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 236220 Commercial and Institutional Building Construction
- Place of performance
- Boulder, Colorado 80305, United States
- Points of contact
-
- Shawn Borisow shawn.borisow@nist.gov (303) 497-5432
Notice details come from SAM.gov. Updated .
About this opportunity
The National Institute of Standards and Technology seeks construction services to replace the existing steam tunnel ventilation system at its Boulder, Colorado facility with two natural gas indirect fired make-up air units, with proposals due August 5, 2026, and questions due July 29, 2026. This is a 100% Small Business Set-Aside, foreclosing competition outside that pool.
Place of performance is Boulder, Colorado, with work largely outdoors and in the utility tunnel connected to Building 42 and the CUP. The NAICS code is 236220, Commercial and Institutional Building Construction, with a small business size standard of $45.0 million. Work scope includes removal of existing equipment, installation of the MAUs, and all associated systems required for safe, reliable, and continuous ventilation operation. Work must be planned and phased between May 1 and October 31 to mitigate pipe freezing risk.
Amendment 0001, issued June 18, 2026, made minor changes to attachments and clarified site instructions; the due date remained August 5, 2026. A pre-proposal conference and mandatory site visit are scheduled for July 22, 2026, at 10:30 AM (MT) at Building 3, with attendance lists due by July 21. Offerors must submit a technical approach not exceeding 20 pages, a schedule in Gantt chart format using an October 1, 2026 start date, past performance questionnaires covering one to three projects, and a complete price proposal with detailed cost breakdown by discipline, labor, materials, bonding and insurance, profit, and overhead. Questions must be submitted to shawn.borisow@nist.gov no later than 3:00 PM (MT) on July 29.
Notice text
3 versions
Update #3 · Latest ·
June 29, 2026 - Published Site Attendance sheet
June 18, 2026 - Published AMD 0001 Minor Changes
SEE ATTACHMENTS FOR FULL PROJECT DETAILS
Project: Construction Services/Steam Tunnel Ventilation System Replacement, NIST, Boulder, CO
This acquisition is a 100% Small Business Set-Aside.
The NAICS for this acquisition is 236220; the Small Business Size Standard is $45.0 Million.
The purpose of this project is to replace the existing tunnel ventilation system with steam heating coils with (2) natural gas indirect fired make up air units (MAU’s).
This construction effort will procure and deliver a complete, operational tunnel ventilation system, including removal of existing equipment, installation MAU’s, and all associated systems required for safe, reliable, and continuous ventilation system. Work will be planned and phased to be performed between the months of May 1 through October 31, mitigating the chances for pipes to freeze.
Update #2 ·
June 18, 2026 - Published AMD 0001 Minor Changes
SEE ATTACHMENTS FOR FULL PROJECT DETAILS
Project: Construction Services/Steam Tunnel Ventilation System Replacement, NIST, Boulder, CO
This acquisition is a 100% Small Business Set-Aside.
The NAICS for this acquisition is 236220; the Small Business Size Standard is $45.0 Million.
The purpose of this project is to replace the existing tunnel ventilation system with steam heating coils with (2) natural gas indirect fired make up air units (MAU’s).
This construction effort will procure and deliver a complete, operational tunnel ventilation system, including removal of existing equipment, installation MAU’s, and all associated systems required for safe, reliable, and continuous ventilation system. Work will be planned and phased to be performed between the months of May 1 through October 31, mitigating the chances for pipes to freeze.
Update #1 ·
SEE ATTACHMENTS FOR FULL PROJECT DETAILS
Project: Construction Services/Steam Tunnel Ventilation System Replacement, NIST, Boulder, CO
This acquisition is a 100% Small Business Set-Aside.
The NAICS for this acquisition is 236220; the Small Business Size Standard is $45.0 Million.
The purpose of this project is to replace the existing tunnel ventilation system with steam heating coils with (2) natural gas indirect fired make up air units (MAU’s).
This construction effort will procure and deliver a complete, operational tunnel ventilation system, including removal of existing equipment, installation MAU’s, and all associated systems required for safe, reliable, and continuous ventilation system. Work will be planned and phased to be performed between the months of May 1 through October 31, mitigating the chances for pipes to freeze.
Attachments
| File | Type | Posted |
|---|---|---|
| Site Visit Sign-In.pdf | ||
| 1333ND26RNB190032 AMD0001 Minor Changes.pdf | ||
| Attachments.zip | ZIP file | |
| Attachments.zip | ZIP file | |
| 1333ND26RNB190032 Steam Tunnel Ventilation NIST Boulder CO.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Steam Tunnel Ventilation Replacement | Award Notice | |
| Steam Tunnel Ventilation Replacement | Solicitation | |
| Steam Tunnel Ventilation Replacement | Pre-Solicitation |
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