Pylon Foundations
• Each foundation is
supported by 45 massive steel piles , each over 200 feet long and 8 feet in diameter , anchored deep
into the Patapsco geological layer.
• The footing itself is roughly the size of two NBA
basketball courts and stands 20 feet thick .
• More than 13,000 cubic yards of concrete—about 26,600 tons —goes into each footing.
• Constructing each
foundation takes over 1,300 truckloads of concrete , placed in three layers .
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