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Ground Floor Accessible windows in classrooms

Some larger school districts out here in California are now requesting at least one operable window per classroom, and I've heard it is for two reasons:
1. As an additional means of escape in event of active shooter.
2. As an additional means of ventilation in event of power failure.

As a practical matter during emergency instance #1, it is the teacher or students - not the maintenance/service personnel - who are the ones operating the window. However, it is likely that if they do not explicitly state this as the ultimate purpose of the operable window, and instead they say that the windows are normally intended to be operated only by service or maintenance personnel, then they are in compliance with ADA/CBC 11B-205.1 exception #1.
 
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