Appendix B


Major Facilities Under the AOC’s Care The AOC is the builder and steward of the landmark buildings and grounds of Capitol Hill. This responsibility encompasses many of the nation’s most iconic buildings of the federal legislative and judicial branches. Table 23 lists the major facilities under the AOC’s stewardship.


TABLE 23 Major AOC Facilities YEAR BUILT OR ACQUIRED FACILITY


Capitol Building U.S. Capitol Building


Capital Construction and Operations Construction Division Shops


Construction Division Warehouse


Capitol Grounds and Arboretum Summerhouse Capitol Square Union Square


Capitol Police Buildings, Grounds and Security


Eney, Chestnut, Gibson Memorial Building (U.S. Capitol Police Headquarters)


Vehicle Maintenance Facility Courier Acceptance Facility Canine Facility


Fairchild Building Interim Off-Site Delivery


Government Publishing Office Verizon Building


Capitol Power Plant Generator Building


Main Boiler Plant


Cogeneration Building (formerly East Refrigeration Plant)


Administration Building West Refrigeration Plant Utility Tunnels


Coal Yard Facilities


House Office Buildings Cannon House Office Building Longworth House Office Building Rayburn House Office Building


East and West House Underground Garages Ford House Office Building House Page Dormitory


O’Neill House Office Building 162 Appendices


Washington, D.C. Washington, D.C.


Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C.


Washington, D.C. Washington, D.C.


Washington, D.C. Washington, D.C.


Washington, D.C. Washington, D.C. Washington, D.C.


Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C. Washington, D.C.


1930 (Transferred 1986) 1930


1980


1996 (Transferred 2004) 2004 2006 2005 2011


1909 1909


1937 1978


1978 and various other dates for later expansions Various dates Various dates


1908 1933 1965 1968


1939 (Transferred 1974) 1940 (Transferred 1986) 1963 (Transferred 2017)


A A


A A


A/L A L L


A A


A A


A A A


A A A A A A A


ARCHITECT OF THE CAPITOL LOCATION Washington, D.C.


Washington, D.C. Landover, MD


Washington, D.C. Washington, D.C. Washington, D.C.


(IF PROPERTY ACQUIRED AFTER THE YEAR BUILT, THE AOC’S ACQUISITION DATE APPEARS IN PARENTHESES)


ASSIGNED (A) OR LEASED (L)


Construction started in 1793, various other dates for multiple expansions


1982 2016


1880 1894


Transferred 2011 A


A L


A A A


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