Asbestos may be encountered in the building. Identify early the critical pipe and conduit runs outside the space being remodeled that can affect design and planning needs. The lights, where codes require, should not be on when the class is in session, unless the power goes off. Energy efficient LED type lights are to be used where codes require emergency lights. The light patterns from the exit signs are to be directed away from the projection screen areas.
Complaints exist from spill light interfering with images projected on the screen.
Lights are to be energy efficient, with tight directional control of light rays. If parabolic louvers are used in fluorescent fixtures, the spacing of the louvers is to be closely controlled and spaced to prevent unwanted light spill. The sensors are to automatically shut down all lights when no activity is sensed in the room. All lights in the room are to have rheostat controls. All light control switches are to have a pilot light.