Individual specification requirements for multi-unit tank car tanks.

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Pipeline and Hazardous Materials Safety Administration, Department of Transportation
  6. Hazardous Materials Regulations
  7. Specifications for Tank Cars
  8. Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW)
  9. Individual specification requirements for multi-unit tank car tanks.

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§ 179.301 Individual specification requirements for multi-unit tank car tanks.

(a) In addition to § 179.300 the individual specification requirements are as follows:

Expand Table
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]

[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179-10, 36 FR 21355, Nov. 6, 1971; Amdt. 179-40, 52 FR 13049, Apr. 20, 1987; 65 FR 58632, Sept. 29, 2000; 66 FR 45390, Aug. 28, 2001]


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