§174.310. Requirements for the operation of high-hazard flammable trains. — Inbound Citations

(a) Class DOT 103, 104, 105, 109, 111, 112, 114, 115, 117, or 120 tank car tanks; Class 106 or 110 multi-unit tank car tanks; and AAR Class 203W, 206W, and 211W tank car tanks. Additional operational requirements apply to high-hazard flammable trains (see § 171.8 of this subchapter) as prescribed in § 174.310 of this subchapter. Except as otherwise provided in this section, DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized to transport Class 3 (flammable) liquids in Packing Group III, unless retrofitted to the DOT Specification 117R retrofit standards or the DOT Specification 117P performance standards provided in part 179, subpart D of this subchapter.

(1) DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized to transport Class 3 (flammable liquids) unless retrofitted prior to the date in the following table:

(2) Conforming retrofitted tank cars are to be marked “DOT-117R.”

(3) Conforming performance standard tank cars are to be marked “DOT-117P.”

(a) Class DOT 103, 104, 105, 109, 111, 112, 114, 115, 117, or 120 tank car tanks; Class 106 or 110 multi-unit tank car tanks and AAR Class 206W tank car tanks. Additional operational requirements apply to high-hazard flammable trains (see § 171.8 of this subchapter) as prescribed in § 174.310 of this subchapter. Except as otherwise provided in this section, DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized to transport unrefined petroleum products, ethanol, and other Class 3 (flammable) liquids in Packing Group II or III, unless retrofitted to the DOT Specification 117R retrofit standards, or the DOT Specification 117P performance standards provided in part 179, subpart D of this subchapter.

(1) DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized for transport of Class 3 flammable liquids unless retrofitted prior to the dates corresponding to the specific material in the following table:

(2) Conforming retrofitted tank cars are to be marked “DOT-117R.”

(3) Conforming performance standard tank cars are to be marked “DOT-117P.”

(a) Class DOT 103, 104, 105, 109, 111, 112, 114, 115, 117, or 120 fusion-welded tank car tanks; and Class 106 or 110 multi-unit tank car tanks. Additional operational requirements apply to high-hazard flammable trains (see § 171.8 of this subchapter) as prescribed in § 174.310 of this subchapter. Except as otherwise provided in this section, DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized to transport Class 3 (flammable liquids) in Packing Group I, unless retrofitted to the DOT Specification 117R retrofit standards or the DOT Specification 117P performance standards provided in part 179, subpart D of this subchapter.

(1) DOT Specification 111 tank cars and DOT Specification 111 tank cars built to the CPC-1232 industry standard are no longer authorized for transport of Class 3 (flammable liquids) unless retrofitted prior to the dates corresponding to the specific material in the following table:

(2) Conforming retrofitted tank cars are to be marked “DOT-117R.”

(3) Conforming performance standard tank cars are to be marked “DOT-117P.”