GroundRules
49 CFR 179.301: Individual specification requirements for multi-unit tank car tanks.
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 E—Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW)
(a) In addition to § 179.300 the individual specification requirements are as follows:
DOT specification 106A500-X 106A800-X 110A500-W 110A600-W 110A800-W 110A1000-W
Minimum required bursting pressure, psig (1) (1) 1250 1500 2000 2500
Minimum thickness shell, inches 13⁄32 11⁄16 11⁄32 3⁄8 15⁄32 19⁄32
Test pressure, psig (see § 179.300-16) 500 800 500 600 800 1000
Safety relief devices, psig (see § 179.300-15)
Start-to-discharge, or burst maximum, p.s.i. 375 600 375 450 600 700
Vapor-tight, minimum psig 300 480 300 360 480 650
1 None specified.
(b) [Reserved]
Collected 2026-08-27T02:26:34Z. Source file · JSON