Project

Children's Garden Improvements

The Children's Garden is a favorite exploration space for families from around the D.C., Maryland and Virginia area and visitors with children from across the globe.

Improvements include a new platform climbing structure, a new vine tunnel, a new digging area, expanded seating areas and additional shade structures. Spaces to dig, explore, plant, water and care for plants remain in the updated garden.

Status
Completed
Project

Cogeneration at the Capitol Power Plant

At the Capitol Power Plant we are planning for the future. Through rigorous analysis of various energy technologies and broad consultation with leading experts, we explored options for achieving future energy savings, reducing environmental impacts and maintaining a reliable source of chilled water and steam for the 23 facilities on Capitol Hill we serve, including the U.S.

Status
Completed
Project

Conservatory Façade and Roof Restoration

Aside from a modest addition at the rear of the building, the historic USBG Conservatory exterior remains unchanged from its 1933 appearance. It contains two courtyard gardens and 10 garden rooms under glass, totaling 28,944 square feet of growing space, and also has two exhibit galleries.

Status
Completed
Project

Dome Restoration Project

The United States Capitol Dome, symbol of American democracy and world-renowned architectural icon, was constructed of cast iron more than 150 years ago.

Status
Completed
Project

Hart Building Roof and Skylight Replacement

In December 2014, the Architect of the Capitol (AOC) began replacing the roof and 180 skylights and upgrading the fall protection system on the Hart Senate Office Building. The roof and skylights, which were installed in 1982, had reached the end of their useful life and, over time, had allowed water infiltration which caused building damage.

Status
Completed
Project

Supreme Court Façade Restoration - North, South and East

The stone was cleaned to remove general soil, black gypsum crusts, biological deposits and copper stains. The mortar and sealants in the joints of the marble were replaced and the non-functional bird deterrent system was replaced.

Status
Completed
Project

Supreme Court Façade Restoration - West

The building, designed by architect Cass Gilbert, was constructed between 1929 and 1935. The classically detailed exterior is clad with white Vermont Imperial Danby marble with bronze windows and ornamental bronze doors, railings and light fixtures.

In December 2005, a modillion from the pediment cornice failed and fell to the ground which initiated the planning for the restoration of the building’s west façade. Emergency repair work was performed on the west portico over several years prior during summer recess of the Court.

Status
Completed

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