Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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History of Capitol Hill
The U.S. Capitol was built atop Jenkins’ Hill, now often referred to as “...

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The Summerhouse on the Capitol Grounds
A few ideas to help you in planning a visit to Capitol Hill.

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AOC gardener at the U.S. Botanic Garden
Information about working for the Architect of the Capitol:

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Cleaning National Garden
The National Garden is a treasure for everyone.

What's New

Projects

Capitol Dome Restoration
Status: Ongoing Building: United States Capitol

The Dome of the U.S. Capitol Building, one of America’s great symbols of freedom, needs additional restoration as part of an on-going multi-phased program.

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Status: Ongoing Building:

Preparations are underway, near 2nd St and Washington Ave SW, for the American Veterans Disabled for Life Memorial (http://www.avdlm.org/). Memorial construction in and around the footprint of the site (from the southwest of Washington Avenue and northeast of 2nd Street SW) will continue through the fall of 2014. Minor street and lane closures will occur as construction work continues. Pedestrians traveling between the Rayburn and Ford House Office Buildings should use the route below instead of walking to Independence Avenue. This... More »

Brumidi Conservation Work
Status: Ongoing Building: United States Capitol

The U.S. Capitol's Brumidi Corridors are undergoing an extensive restoration as part of the Brumidi Corridors Restoration Project.

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Plaster repairs underway at the U.S. Capitol
Status: Ongoing Building: United States Capitol

The AOC has identified areas throughout the Capitol that contain historic paint colors or decoration that need restoration. In many of these areas the plaster has cracked under the stress and weight of multiple paint layers, a result of decades of repainting wall and ceiling surfaces. These areas have been marked for paint analysis; a process that allows the AOC to record what finishes were used in the past before repairing the wall. This allows the area to be restored to its original appearance. Once an area has been documented, the walls must be stripped down to a stable surface that... More »

East Front Plaza Repairs
Status: Ongoing Building: United States Capitol

AOC is making repairs to expansion joints on the East Front Plaza of the Capitol near the plaza entrance at First St. and East Capitol. The work is expected to be complete by July 2014.

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West Front Staging Area
Status: Ongoing Building: Capitol Grounds

In support of the Dome Restoration Project trucks deliver equipment and supplies to the East and West Fronts of the U.S. Capitol between 6 a.m. and 3 p.m. Flagmen direct pedestrians to use the sidewalk during the delivery process for safety. Additionally, a staging area has been established on the northwest lawn of the U.S. Capitol for the duration of the project.... More »

Generator Progress May 2014
Status: Ongoing Building: U.S. Library of Congress

Work is underway at the northwest corner of the Library of Congress John Adams Building to replace the existing emergency generator with one that provides more than twice the power.

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Hart Roof Repair Lift
Status: Ongoing Building: Senate Office Buildings

Construction activities for the repair and replacement of the Hart Senate Office Building’s roof and skylights are underway. In support of this effort, a portion of the sidewalk along C street, between the Hart and Dirksen Senate Office Buildings, will be closed through the summer of 2015. The sidewalk closure is required for a material hoist on the side of the building that will facilitate delivery of construction materials to the roof (see illustration above). Signage will be posted to assist pedestrian traffic affected by the sidewalk closure. Additionally, in August 2014 the AOC... More »

Masons work on Olmsted Terrace Steps
Status: Ongoing Building: United States Capitol

AOC is undertaking a multi-year project to repair, clean and preserve the Olmsted Terrace masonry walls around the Capitol Building. The current phase project includes the dismantling, repair, reinstallation and comprehensive restoration of the Capitol's north approach walls (near the Senate doors), pedestal, steps and curb. Due to safety considerations, the sidewalk and steps located on the north approach to the Capitol Building will be closed until September 30, 2014. Barricades and signage will also be placed at various... More »

Capitol Power Plant
Status: Planned Building: Capitol Power Plant
The Architect of the Capitol (AOC) completed a Long Term Strategic Energy Plan for the Capitol Power Plant (CPP), which identified cogeneration as the preferred solution for achieving energy savings, reducing environmental impacts, and maintaining a reliable source of chilled water and steam for Congress and the Supreme Court. The Cogeneration Plant at the CPP will use natural gas in a combustion turbine in order to efficiently generate both electricity and heat for steam. More »

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