NAMA 216042 - Lincoln Memorial Rehabilitation   4

Background
The National Park Service (NPS) is issuing a solicitation for the Lincoln Memorial Rehabilitation project, which aims to construct a new Interpretive Center in the foundation space below the Lincoln Memorial Chamber, referred to as the 'Undercroft.' The project also involves the removal of the existing Visitor’s Center and Retail Shop, replacement and construction of elevators, exterior work including widening of entrances and installation of waterproofing, as well as interior work involving the installation of new mechanical, electrical, plumbing, and security systems. The project must comply with the Secretary of Interior’s Standards for Rehabilitation.

Work Details
The construction tasks for this project include constructing a new Interpretive Center in the Undercroft space below the Lincoln Memorial Chamber, removing the existing Visitor’s Center and Retail Shop, replacing the south elevator and constructing a new north elevator, widening east entrances to the mezzanine undercroft, enlarging an existing vent on the north side for egress, demolishing and partially replacing the Raised Terrace structural concrete slab, installing new waterproofing over new structural concrete, phased installation of waterproofing under the upper landing and run of existing stairs, placement of new concrete structure, installation of new mechanical, electrical, plumbing, and security systems, and construction of museum-quality interior finishes. The work also emphasizes visitor safety, continuity of operations, and protection of the historic asset.

Period of Performance
The estimated period of performance for this contract is from November 2022 to April 2025.

Place of Performance
The construction projects will be performed at the National Mall and Memorial Parks in Washington DC.