Posted Nov 3, 2010, 8:25 PM
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Because I'm Clever!
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Join Date: Oct 2004
Location: Chicago, Illinois
Posts: 5,087
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The Twin Tower's exterior columns are spaced 10' center to center at the ground level. The plaza building's columns are spaced 30' center to center. I don't recall the hotel, it's something odd like 13 feet. Tower 7 has different spacings for each of its faces, and there's a lot of columns in the concourse that (due to what they were built over) have non-standard configurations as well.
And it's not a blueprint. It's a diagram for prospective clients showing the parcels of the mall available for rent.
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