|
·
Seats are without back rests.
·
Rise per row must not exceed 6”.
·
Tread depth must not exceed 28”
·
Number of rows must not exceed 16.
·
The row seat height is not more than 12”.
·
Seat boards have a flat continuous surface.
·
Seat boards must have a minimum width of 11”.
·
Egress from front row is unobstructed.
|