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Read a blog about the art, architecture and work on the Capitol Hill written by AOC's experts.

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Fire Egress at the Library of Congress

By Erin Nelson

Architect of the Capitol teams worked together to complete the Fire Door Improvements project in the Thomas Jefferson Building, improving fire safety within this historic space.

Close look at a door hinge in the Library of Congress Thomas Jefferson Building, patented Nov. 22, 1887.
April 10, 2015
Many ornamental and functional cast iron parts of the U.S. Capitol Dome are so broken and badly damaged that they cannot be repaired on site. For the restoration, we traveled to the Salt Lake City foundry to see firsthand how the work to re-create these pieces is done.More »
July 18, 2016
When work on the bronze components and marble pedestals is completed this fall, viewers will again see the subtle details of the original sculpture.More »
A bowler hat discovered during the renewal of the Cannon House Office Building.
January 3, 2019
During the process of renewing the Cannon House Office Building, workers have found hidden treasures that had been lost or discarded by the laborers who constructed the building more than 100 years ago.More »
June 26, 2015
The restoration of the Rotunda will ensure this hallowed space will be enjoyed by generations of visitors, staff and members of Congress for years to come.More »
January 7, 2016
On a recent visit to the foundry, members of the AOC Curator Division observed the casting process in action, including the dramatic moment when the molten bronze is poured.More »
2016 carved into a column capital during the Capitol Exterior Preservation project's stone work.
December 29, 2016
This past year has been filled with many sweet moments around the Capitol campus. Here are 10 that stand out.More »
April 27, 2015
Because weather and time have not been kind to the Grant Memorial, AOC staff developed a preservation strategy to restore the Grant Memorial to its original condition.More »
October 22, 2013
Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, reflects on the AOC's effort to restore the U.S. Capitol Dome.More »
A view of the renovated Bartholdi Park.
October 25, 2017
An in-depth summary of a recent Bartholdi Park renovation.More »
September 29, 2014
Addressing the stone pandemic across the Capitol campus takes a team of historic preservationists, structural engineers and stonemasons, among others. More »
December 15, 2016
Time has taken its toll on the U.S. Capitol's stone, but our preservation effort will restore even the finer details, hand-carved by artisans.More »
October 9, 2015
The Cannon Renewal team explores a new way of viewing drawings in the field, bringing a 21st-century approach to field coordination and quality control as a model for the future of construction.More »
Restoring the windows of the Cannon House Office Building in Washington, D.C.
February 12, 2019
Preservation allows the building to retain much of its original character and charm, while increasing the building's functionality for those who work and visit within its walls.More »
April 21, 2015
High in the sky, about 50 feet above the roof, a crane is peeking out of the Cannon House Office Building. More »
March 26, 2013
Take a look behind the scrim at the restoration work underway on the U.S. Supreme Court Building's West Front façade to address deterioration due to age, weather and nature. Take a look behind the scrim at the work. More »

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