Site work for a water / sewer project in Boston, Massachusetts. Completed plans call for site work for a water / sewer project.

Repairs to concrete-encased steel beams within three pier vaults, including removal of deteriorated material, surface preparation, installation of new concrete, and restoration of structural integrity. Remediation of sinkholes within the pier deck by excavating unstable areas, backfilling with approved materials, compacting, and restoring the deck surface. Repairs to concrete delamination at the pier underdeck through demolition of loose concrete, cleaning and treating exposed reinforcement, and installing repair mortar or concrete to restore uniform structural surfaces. Repairs to the existing steel barge, including replacement of deteriorated steel components, corrosion treatment, recoating, and structural reinforcement as required. Adjustment and repair of the connection between an aluminum gangway and the concrete deck platform to restore proper alignment, support, and functionality. All work requires coordination to maintain continuous pier operations and manage limited access, winter conditions, and waterfront construction constraints, using appropriate sequencing, quality control, and safety measures. [Sol_140P4326R0001 | PDF] Location: Boston National Historical Park, Charlestown Navy Yard, Pier 1, Boston, Massachusetts. Address: 21 2nd Avenue, Charlestown, MA 02129 The estimated magnitude of the complete requirement is between $1,000,000 and $5,000,000. Period of Performance: 03/16/2026 to 06/12/2026 *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Question Deadline 02/20/2026 Pre-proposal questions shall be submitted a minimum of 5 days prior to the due date and time for proposals. Submit questions only through email to both of the following: Contracting Officer, Mari Tolleson, mari_tolleson@nps.gov