The Pentagon

The Pentagon


Welcome to the Pentagon The largest government office building in the United States.

This immense building is the headquarters of the Department of Defense or DoD. Included in this are the Navy, Army, Air Force, and the Marines. A virtual city in itself it houses 23,000 employees both from the military and civilian world. The building has its own post office, library, and various restaurants. A total of 200,00 telephone calls are made each day to all parts of the world. Pentagon Statistics and Figures Prime contract awarded 11 August 1941 Mechanical engineering contract awarded 3 September 1941 Construction began 11 September 1941 Grading contract awarded 24 September 1941 First occupants move in 29 April 1942 Construction completed 15 January 1943 Total Land Area (acres) 583 Government Owned (acres) 296 Purchased or condemned (acres) 287 Cost $2,245,000 Area covered by Pentagon bldg (acres) 29 Area of center court (acres) 5 Area of heating and refrigeration plant (acres) 1 Area of sewage structures (acres) 1 Access highways built (miles) 30 Overpasses and bridges built 21 Parking space (acres) 67 Capacity (vehicles) 8,770 Cost of building $49,600,000 Total cost of project (including outside facilities) $83,000,000 Gross floor area (sq. ft.) 6,636,360 Net space for offices, concessions and storage (sq. ft.) 3,705,793 Cubic contents (cu. ft.) 77,015,000 Length of each outer wall (ft.) 921 Height of building (ft.) 77' 3.5" Number of floors, plus mezzanine and basement 5 Total length of corridors (miles) 17.5

Inside the Pentagon

Number of:
Stairways 131
Escalators 19
Elevators 13
Fire hose cabinets 672
Rest Rooms 284
Fixtures 4,900
Drinking fountains 691
Electric clock outlets 7,000
Clocks installed 4,200
Light fixtures 16,250
Lamp replacements (daily) 250
Windows 7,754
Glass area (equals 7.1 acres)(sq. ft.) 309,276

Location

	History of the Pentagon \| The September Eleventh Attack \| Virtual Tour