When placing chairs in an auditorium, note that:
The circulation around seats should be sufficient to allow people to walk comfortably without obstructing others.
The approximate viewing distance between a screen and an audience can be calculated by multiplying the screen diagonal by 150 cm / 59.1". This distance would provide a comfortable and immersive viewing experience.
A projector in an auditorium is vital to display content to a large audience.
Multiple exits are mandatory for spaces where many people gather to ensure a safe escape and alternative evacuation routes during an emergency.
Note that the number and placement of exits depend on the size and layout of the auditorium and local building codes and regulations; follow those closely or consult an expert to get them right! A general benchmark is: