SPECIAL NOTICE - INDUSTRY DAY/PROJECT PRESENTATION - National Mall and Memorial

The National Park Service National Office intends to solicit rehabilitation of seawalls and shoreline at East Potomac Park, Potomac River, Channel Side, and Tidal Basin in Washington, D.C., with a competitive Request for Proposals anticipated in fall 2026; responses to this Sources Sought Notice are due by 3:00 PM Mountain Time on September 16, 2026 (extended from September 2, 2026 by Amendment 01).

Work is located at National Mall and Memorial Parks in Washington, D.C. The project encompasses removal and reconstruction of existing stone masonry seawalls along historic alignments, sidewalk and railing reconstruction, landscaping restoration, and design provisions for future vertical additions to accommodate sea level rise. Approximately 55 stormwater outfalls, utility locations, and NPS facilities are present on site; work must coordinate with D.C. Water's multi-year underground tunnel construction and Virginia Passenger Rail Authority's Long Bridge project. Park operations must remain open during construction with protective measures implemented to minimize visitor impact and preserve historic, natural, and cultural resources. The site is in an urban area with limited staging, approximately 5 miles from nearest suppliers and lodging.

The anticipated period of performance is 1,825 calendar days; winter construction may be required. Bid, Performance, and Payment Bonds will be required. The contract will be awarded as a single Firm-Fixed-Price award under NAICS code 237990 (Other Heavy and Civil Engineering Construction) with a $39.5 million size standard. No set-aside is anticipated. Responses are requested from both large and small businesses to inform acquisition strategy and determine potential small-business set-aside eligibility. An industry day was held August 26, 2026; sign-in sheet and presentation slides are attached, along with contractor questions addressing coordination, work methodology, waterside execution, public access maintenance, long-lead items, workforce availability, staging, noise restrictions, and drainage impacts. Submit responses to kristin_tauber@ios.doi.gov and timothy_burger@ios.doi.gov.