49 C.F.R. § 179.301   Individual specification requirements for multi-unit tank car tanks.


Title 49 - Transportation


Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart E—Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW)

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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:

 ----------------------------------------------------------------------------------------------------------------       DOT specification          106A500-X    106A800-X    110A500-W    110A600-W    110A800-W     110A1000-W----------------------------------------------------------------------------------------------------------------Minimum required bursting              (\1\)        (\1\)         1250         1500         2000            2500 pressure, psig................Minimum thickness shell, inches      \13/32\      \11/16\      \11/32\        \3/8\      \15/32\         \19/32\Test pressure, psig (see §          500          800          500          600          800            1000 179.300-16)...................Safety relief devices, psig      ...........  ...........  ...........  ...........  ...........  .............. (see § 179.300-15).......Start-to-discharge, or burst             375          600          375          450          600             700 maximum, p.s.i................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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