NCR-nama: wamo mold remediation

The National Park Service has issued a sole source special notice for mold remediation services at the Washington Monument. This procurement, designated as NCR-NAMA: WAMO MOLD REMEDIATION under solicitation number DOIPFBO250033, seeks a specialized contractor to perform complex historic preservation work involving mold removal at the 490 and 500-foot levels of the monument. The project falls under the Simplified Acquisition Threshold and is classified under NAICS code 238190 for foundation, structure, and building exterior contractors. Laboratory analysis has identified various fungal species including Alternaria, Cladosporium, and Phoma at the affected locations. The notice was posted on September 23, 2025, with an extremely tight response deadline of September 24, 2025.

The primary objective is to safely remove mold contamination from interior stone walls and stairwells while maintaining the historic integrity of this national monument. The scope requires erecting scaffolding, applying specialized cleaning solutions, scrubbing surfaces, and restoring protective glass elements, all while adhering to the Secretary of the Interior's Standards for historic preservation. Work must be conducted during off-hours from 6:00 pm to 4:00 am, Monday through Friday, with a total project timeline of approximately 91 days from notice to proceed. Contractors must maintain visitor access to at least one stairwell throughout the project and submit a comprehensive Health and Safety Plan within 28 days. The sole source justification emphasizes that only contractors with extremely specialized expertise in historic masonry conservation and proven experience with similar complex restoration projects will be considered eligible. Key requirements include securing general liability insurance, submitting invoices through the government's electronic system, and demonstrating specific qualifications in historic monument remediation work.