Posted Mar 28, 2018, 1:37 PM
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Dryer lint inspector
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Join Date: Feb 2003
Location: Houston/ SF Bay Area
Posts: 37,789
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Floors, below ground floor typically don't count. If I recall, the WTC towers had a huge sunken pit in which to access elevators. The ground/first floor ringed around the open area. If 6WTC had it's concourse level at street level then it would be counted as a floor.
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