Building 215 Clean Room HEPA Filter Replacement

NIST is seeking small business proposals to replace HEPA filters and rebalance cleanrooms in Building 215 at the Gaithersburg campus. This firm-fixed-price project includes replacing approximately 1,200 HEPA filters and housings, repairing VAV terminal units, and installing new airflow measurement stations. Amendment 0001 replaced the original solicitation package to correct an administrative error. The work follows a 19-phase sequence to keep the facility operational, with each phase requiring 24/7 labor during a nine-day outage. Liquidated damages for missing re-occupancy deadlines are $8,000 per day. The total performance period is 16 to 19 months. A site visit is scheduled for June 15, 2026, with proposals due July 6, 2026. NIST is soliciting firm-fixed-price proposals for HEPA filter replacement in Building 215. This is a total small business set-aside under NAICS 236220. Amendment 0001 replaced the initial solicitation documents to correct an administrative error. The project involves replacing 1,200 HEPA filters, upgrading VAV units, and installing new airflow measurement stations. Following mechanical rebalancing, the contractor must recertify the cleanrooms to ISO 14644 standards. The project at Building 215 involves mechanical remediation and airflow rebalancing. The primary task is replacing 1,200 HEPA filters and housings in Class 100 and Class 1000 spaces to improve performance and energy efficiency. Work includes repairing VAV terminal units, installing pressure-independent exhaust valves, and replacing airflow measuring stations and magnehelic gauges.