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    HomeWhat We DoMajor Projects
Stone Preservation on the Capitol Campus
        
                  The Basics
      
Location
    U.S. Capitol Building
          Cannon House Office Building
          Olmsted Terrace
          Russell Senate Office Building

Status
    On GoingStone preservation is a top priority for the Architect of the Capitol (AOC) as nearly every building is enveloped in stone and all have problems.

To address this stone pandemic across the Capitol campus takes a team of historic preservationists, structural engineers and stonemasons, among others. The men and women of AOC are in a race against time as the infrastructure rapidly crumbles and deferred maintenance projects accumulate.

Stone Preservation on Capitol HillOngoing Projects

Cannon Renewal
	Capitol Exterior Preservation
	Olmsted Terrace Preservation
	Thurgood Marshall Façade RepairCompleted Projects

Conservatory Façade and Roof Restoration (2019)
	Grant Memorial Restoration (2020)
	Russell Exterior Envelope Project (2023)
	Supreme Court Façade Restoration - North, South and East (2018)
	Supreme Court Façade Restoration - West (2013)
          
    
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          Projects

  Covering the Home Team

The amount of talent needed for all the projects around the Capitol campus is high, and fortunately the AOC boasts a deep bench of employees.
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  At the AOC, It's Always Home Improvement Time

While most people have one structure to take care of, the Architect of the Capitol (AOC) is hard at work on multiple projects to care for the buildings across Capitol Hill.
    Projects

  Leave No Stone Unrestored

All around the U.S. Capitol campus, there is something that you cannot avoid seeing as you look at the historic buildings: stone.
    Projects

  It's About Time

Time has taken its toll on the United State Capitol's stone, but our preservation effort will restore even the finer details, hand-carved by artisans.

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