49 CFR 179.220-14 - Openings in the tanks.

§ 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]

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