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Hoistways may be air pressurized. Where such system is utilized, the air shall not cause erratic operation of the landing or car door equipment, traveling cables, selector tapes, governor ropes, compensating ropes, or any other components sensitive to excess movement or deflection.
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708.14 Fire and Smoke Protection Features, Elevator, Dumbwaiter and Other Hoistways
openings in the elevator lobby enclosure walls shall also comply with Section 711.5.3 and penetrations of the elevator lobby enclosure by ducts and air ...