49 CFR 179.201-1 - Individual specification requirements.

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§ 179.201-1 Individual specification requirements.

In addition to § 179.200, the individual specification requirements are as follows:

DOT Specification 1 Insulation Bursting pressure (psig) Minimum plate
thickness (inches)
Test
pressure (psig)
Bottom
outlet
Bottom
washout
References (179.201 - ***)
111A60ALW1 Optional 240 1/2 60 Optional Optional 6(a).
111A60ALW2 Optional 240 1/2 60 No Optional.
111A60W1 Optional 240 7/16 60 Optional Optional 6(a).
111A60W2 Optional 240 7/16 60 No Optional.
111A60W5 Optional 240 7/16 60 No No 3, 6(b).
111A60W6 Optional 240 7/16 60 Optional Optional 4, 5, 6(a), 6(c).
111A60W7 Optional 240 7/16 60 No No 4, 5, 6(a).
111A100ALW1 Optional 500 5/8 100 Optional Optional 6(a).
111A100ALW2 Optional 500 5/8 100 No Optional.
111A100W1 Optional 500 7/16 100 Optional Optional 6(a).
111A100W2 Optional 500 7/16 100 No Optional.
111A100W3 Yes 500 7/16 100 Optional Optional 6(a).
111A100W4 Yes (see 179.201-11) 500 7/16 100 No No 6(a), 8, 10.
111A100W5 Optional 500 7/16 100 No No 3.
111A100W6 Optional 500 7/16 100 Optional Optional 4, 5, 6(a) and 6(c).
111A100W7 Optional 500 7/16 100 No No 4, 5, 6(c).

1 Tanks marked “ALW” are constructed from aluminum alloy plate; “AN” nickel plate; “CW,” “DW,” “EW,” “W6,” and “W7” high alloy steel or manganese-molybdenum steel plate; and those marked “BW” or “W5” must have an interior lining that conforms to § 179.201-3.

[Amdt. 179-52, 61 FR 28680, June 5, 1996, as amended by 66 FR 45390, Aug. 28, 2001; 68 FR 48571, Aug. 14, 2003]

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United States Code

Title 49 published on 2015-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 179 after this date.

  • 2015-11-18; vol. 80 # 222 - Wednesday, November 18, 2015
    1. 80 FR 71952 - Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Response to appeals.
      November 18, 2015.
      49 CFR Parts 171, 172, 173, 174, and 179