(a)
- (1) The interior of the bus shall be free of all unnecessary projections, which include luggage racks and attendant handrails likely to cause injury.
- (2) This standard requires inner lining on ceilings and walls.
- (3) If the ceiling is constructed to contain lapped joints, the forward panel shall be lapped by the rear panel.
- (4) All interior panels, except access panels, shall have hemmed edges.
- (5) All access panels shall be hemmed or beaded.
(b) The driver's area forward of the foremost padded barriers shall permit the mounting of required:
- (1) Safety equipment; and
- (2) Vehicle operation equipment.
- (c) Every school bus shall be constructed so that the noise level taken at the ear of the occupant nearest to the primary vehicle noise source shall not exceed eighty-five decibels (85 dB) when tested according to the noise test procedure.
- (d) Radio speakers shall be flush mounted, if installed.
(e)
- (1) A padded shoulder rail may be installed on both sides below the side windows.
- (2) Shoulder rails shall be covered in the same material as the seats.