GroundRules
49 CFR 179.400-10: -10 Sump or siphon bowl.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS
- PART 179—SPECIFICATIONS FOR TANK CARS
- Subpart F—Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)
A sump or siphon bowl may be in the bottom of the inner tank shell if—
(a) It is formed directly into the inner tank shell, or is formed and welded to the inner tank shell and is of weldable quality metal that is compatible with the inner tank shell;
(b) The stress in any orientation under any condition does not exceed the circumferential stress in the inner tank shell; and
(c) The wall thickness is not less than that specified in § 179.401-1.
Collected 2026-08-27T02:26:34Z. Source file · JSON