§174.300. Special handling requirements.
49 C.F.R. § 174.300
Class 3 (flammable liquid) materials may not be loaded, transported, or stored in a rail car equipped with any type of lighted heater or open-flame device, or in a rail car equipped with any apparatus or mechanism utilizing an internal combustion engine in its operation.
A truck body or trailer which is loaded with a Class 3 (flammable liquid) materials and equipped with a lighted heater or any automatic heating or refrigerating apparatus may not be loaded on a flatcar except as provided in paragraph (c) of this section.
Heating or refrigeration apparatus on a motor vehicle loaded with Class 3 (flammable liquid) materials may be operated while the motor vehicle is loaded on a flatcar only if:
The lading space is not equipped with any electrical apparatus that is not non-sparking or explosion-proof;
There is no combustion apparatus in the lading space;
There is no connection for the return of air from the lading space to any combustion apparatus; and
The heating system conforms to § 393.77 of this title and does not heat any part of the lading over 54 °C (129 °F).
Metal barrels or drums containing Class 3 (flammable liquid) materials may be transported in a steel gondola or flatcar or in a stock car. However, they may not be transported in a hopper bottom car.
Notes, amendments, and revision history
Amendments
[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-31, 43 FR 31143, July 20, 1978; Amdt. 174-68, 55 FR 52683, Dec. 21, 1990]
Authority
Authority: 49 U.S.C. 5101-5128; 33 U.S.C. 1321; 49 CFR 1.81 and 1.97.
Amendments
[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-31, 43 FR 31143, July 20, 1978; Amdt. 174-68, 55 FR 52683, Dec. 21, 1990]