Sign Type C4.1, C4.2, and C5.1 installations indicate specific mounting heights above the finished floor. The baseline of the lowest tactile character is positioned at 4 feet 0 inches above finished floor, with the base of the sign or centerline indicators set at specified offset dimensions up to 5 feet 0 inches above finished floor.
4' - 0" AFF 5' - 0" AFF TO BASE OF SIGN TO BASELINE OF LOWEST TACTILE CHARACTER SIGN TYPE C4.1, C4.2 4' - 4" AFF CL CL 4' - 0" AFF 5' - 0" AFF TO BASE OF SIGN TO BASELINE OF LOWEST TACTILE CHARACTER SIGN TYPE C5.1 4' - 9"
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