Code of Federal Regulations (Last Updated: February 15, 2024) |
Title 49 - Transportation |
Subtitle B - Other Regulations Relating to Transportation |
Chapter I - Pipeline and Hazardous Materials Safety Administration, Department of Transportation |
Part 179 - Specifications for Tank Cars |
Subpart D - Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW) |
§ 179.220-14 - Openings in the tanks.
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§ 179.220-14 Openings in the tanks.
Openings in the inner container and the outer shell must be reinforced in compliance with AAR Specifications for Tank Cars, appendix E (IBR, see § 171.7 of this subchapter). In determining the required reinforcement area for openings in the outer shell, t shall be one-fourth inch.
[68 FR 75763, Dec. 31, 2003]