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Areas of Expertise
Recognizing the trust placed in us by Congress and the American people, the AOC team is committed to providing a safe environment and inspiring experiences for all who work and visit the symbol of American democracy.
        
    
      Architecture

AOC employs more than two dozen architects who work in different divisions across the agency with various roles and responsibilities. Some architects have the position of project manager, but the act of managing a project is a distinct skill for which they are trained independently of their professional background.
          Electrical

Across Capitol Hill, AOC electricians are responsible for thousands of miles of wiring and more than 100,000 light fixtures.
          Engineering

AOC employs engineers focused in many different disciplines, including: mechanical, fire protection, electrical, civil, safety, plumbing, elevator, environmental and electronics.
          Gardening

AOC gardeners care for the grounds of the Capitol Building, the Congressional Office Buildings, the U.S. Supreme Court, the Library of Congress and the U.S. Botanic Garden. More than 90 acres of turf-grass and over 30 acres in landscape beds are under the AOC's care across Capitol Hill.
          Historic Preservation

Historic preservation on one level is understanding and appreciating history and what it teaches us about ourselves. However, preservation also means taking action.
          Masonry

The hands-on work caring for the stone found across Capitol Hill falls to AOC masons. These masons perform decorative brick, granite, marble and stone work including repairing stone and brick joints by cutting, raking, cleaning, and repointing with mortar and caulking compound. They also take care to mix color tone mortar to match the aging condition of work.
            Mechanics

AOC maintenance mechanics work around the clock to ensure the facilities are always performing to the best of their ability, supporting the building occupants and visitors. They provide continual care of more than 17.5 million square feet of office space in more than 30 buildings.
          Metal Work

AOC sheet metal teams fabricate, persevere and restore anything metal across Capitol Hill.
          Painting and Plaster

The men and women who comprise the AOC painting craft are master illusionists and AOC's teams of plasterers ensure the unique historic fabric of the buildings on Capitol Hill is preserved while the modern needs of Congress are served.
          Plumbing

AOC is responsible for thousands of miles of pipes across Capitol Hill. This includes a wide variety of piping including drinking water, sewage, irrigation, HVAC (heating, ventilating and air conditioning), drainage and many others.
          Visitor Services

For many visitors, a trip to Washington, D.C. is a once in a lifetime event. The staff of the Architect of the Capitol (including the Capitol Visitor Center and U.S. Botanic Garden) plays an important role in those visits.
          Woodcrafting

The care and creation of woodworkings throughout the Congress and Supreme Court is the responsibility of AOC woodcrafters.

      Recent Stories
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          Projects

  The AOC Never Paints Itself Into a Corner

An in-depth look at the most recent phase of the Capitol Building Paint Analysis and Plaster Repairs project.
    Projects

  Group Project: The Russell Building Courtyard

The Russell Senate Office Building courtyard was recently restored as a supplement to the Russell Exterior Envelope Project.
    Projects

  Cannon Light Fixture Restoration

While light fixtures are like jewelry to a room, they can also set a tone for the significance of the space. Naturally, they also provide illumination to enable work and safe movement.
    Projects

  Employees Lead U.S. Botanic Garden Horticultural Renovations

Several USBG employees recently led projects inside the Conservatory to improve the growing spaces and showcase more of the permanent plant collection.
    
                      More Stories

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