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How is the air pressure load determined? If I am not using the USG Cavity Shaft Wall in an elevator shaft, can I work off of the 5 psf pressure load?

April 26, 2017air cavity elevator load pressure usg wall

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How is the air pressure load determined? If I am not using the USG Cavity Shaft Wall in an elevator shaft, can I work off of the 5 psf pressure load?

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The elevator cab speed and the number of elevators per shaft determine the air pressure load. Yes, if not enclosed in an elevator shaft you can work off the 5 psf pressure load.