(a) In addition to NFPA 52 §§6.3.2 and 6.3.3, fuel supply containers on school buses, mass transit, and other public transportation vehicles shall not be located within the driver or passenger compartment. The motor fuel containers installed on a special transit vehicle may be installed in the passenger compartment, provided all connections to the containers are external to, or sealed and vented from, those compartments.
(b) If necessary, a plumbing chamber door shall be provided in the sidewall of the school bus, mass transit, or special transit vehicle to allow easy access for filling or securing the service valve in the event of an emergency. The plumbing chamber door shall be hinged and latched, but not locked.

Source Note: The provisions of this §13.133 adopted to be effective November 15, 1990, 15 TexReg 5945; amended to be effective October 15, 1993, 18 TexReg 6459; amended to be effective February 15, 2021, 46 TexReg 1035