What are facts about the washington monument?

Answer 1

For a complete listing of the History and other facts see the Wikipedia article in the Related Links.

The completed monument stands 555 ft 5⅛ in (169.294 m) tall, with the following construction materials and details:

• Phase One (1848 to 1858): To the 152-foot (46 m) level, under the direction of Superintendent William Daugherty.

• Phase Two (1878 to 1888): Work completed by the U.S. Army Corps of Engineers, commanded by Lt. Col. Thomas L. Casey.

Exterior structure

• Total height of monument: 555 ft 5⅛ in (169.294 m)
• Height from lobby to observation level: 500 feet (152 m)
• Width at base of monument: 55 ft 1½ in (16.802 m)
• Width at top of shaft: 34 ft 5 in (10.49 m)
• Thickness of monument walls at base: 15 feet (4.6 m)
• Thickness of monument walls at observation level: 18 inches (460 mm)
• Total weight of monument: 90,854 short tons (82,421 t)
• Total number of blocks in monument: 36,491
• Sway of monument in 30-mile-per-hour (48 km/h) wind: 0.125 inches (3.2 mm)

Capstone

• Capstone weight: 3,300 pounds (1.5 t)
• Capstone cuneiform keystone measures 5.16 feet (1.57 m) from base to the top
• Each side of the capstone base: 3 feet (910 mm)
• Width of aluminum tip: 5.6 inches (140 mm) on each of its four sides
• Height of aluminum tip from its base: 8.9 inches (230 mm)
• Weight of aluminum tip on capstone: 100 oz (2.85 kg)

Foundation

• Depth: 36 ft 10 in (11.23 m)
• Weight: 36,912 short tons (33,486 metric tons)
• Area: 16,001 square feet (1,486.5 m2)

Interior

• Number of commemorative stones in stairwell: 193
• Present elevator installed: 1998
• Present elevator cab installed: 2001
• Elevator travel time: 70 seconds
• Number of steps in stairwell: 897

Answer 2

No, stairs that go to the top.

Answer 3

it is important