The National Park Service, Northeast Region, New England Major Acquisition Buying Office, issues this Request for Proposal (RFP) for a construction requirement at Boston National Historical Park, Charlestown, Massachusetts. The Work consists of providing all labor, qualified supervision, material, tools, equipment, supplies, and incidentals to consists rehabilitation of four buildings at Boston National Historical Park. Detailed Specifications and Drawings are provided with the solicitation documents. The site visit will be held on Thursday, June 4, 2026, at 10:00am EDT. All interested parties shall meet at Boston National Historical Park, in front of the USS Constitution Museum, adjacent to Dry Dock 1 in the Charlestown Navy Yard, Charlestown, MA. Parking is not available within Boston National Historical Park. Provisions and clauses - to include implementation of Executive Order 14398 Attachment 1 - Charlestown Building 1 SOW - BASE Attachment 2 - Charlestown Building 124 SOW - Option 1 Attachment 3 - USS Constitution Museum SOW - Option 2 Attachment 4 - Commandants House SOW - Option 3 Attachment 5 - Charlestown Building 1 Specifications - Base Attachment 6 - Charlestown Building 124 Specifications - Option 1 Attachment 7 - USS Constitution Museum Specifications - Option 2 Attachment 8 - Commandants House Specifications - Option 3 Attachment 9 - Construction Wage Decision (Davis-Bacon Wage Rates) MA20260001 Attachment 10 - Limitation on Subcontracting Report Attachment 11 - Past Performance Questionnaire