Rehabilitate Buildings at Boston National Historic

The National Park Service, Northeast Region seeks rehabilitation of four buildings at Boston National Historical Park in Charlestown, Massachusetts, with proposals due August 4. This is a total small business set-aside.

Place of performance is Charlestown, Massachusetts. The base scope covers Charlestown Building 1, with three optional line items: Charlestown Building 124 stabilization, USS Constitution Museum exterior window and door restoration, and Commandant's House masonry and roofing repairs. Work includes hazardous materials abatement, structural stabilization, masonry and roofing repairs, electrical infrastructure upgrades where scoped, historic window and door restoration, and interior demolition. The contract period runs September 1, 2026 through August 31, 2027 (365 calendar days), with work restricted to normal business hours (8:00 a.m. to 4:30 p.m., Monday–Friday) unless approved otherwise. The Charlestown Navy Yard is a secure facility requiring personnel and vehicle screening.

Contractor must comply with Davis-Bacon prevailing wage rates (General Decision MA20260001). All pricing is submitted as lump-sum amounts per line item. Performance and payment bonds are required. Key personnel include a Project Manager, Jobsite Superintendent, Quality Control Manager, and Safety Manager, with no substitutions permitted during the first 90 days except for cause. Contractors must submit weekly payroll certifications, maintain construction records for three years, and provide electronic invoices through the Treasury Internet Payment Platform. Contract modifications are governed by strict pricing: 10% maximum home office overhead, 4.1% profit on self-performed work, and 25% aggregate maximum overhead and profit across all tiers.

The NAICS code is 236220, Commercial and Institutional Building Construction. PSC code is Y1JZ, Construction of Miscellaneous Buildings. Offerors must acknowledge amendments and submit past performance questionnaires and limitation on subcontracting reports with proposals. A mandatory site visit occurred June 4, 2026. A site visit sign-in sheet and 74 Requests for Information with government responses have been posted; electrical work on Building 1 has been removed from scope, and ACM abatement and mold remediation clarifications have been provided.