Regulations last checked for updates: Oct 17, 2024

Title 49 - Transportation last revised: Oct 15, 2024
§ 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 - ***)
111A60ALW1Optional240 1/260OptionalOptional6(a).
111A60ALW2Optional240 1/260NoOptional.
111A60W1Optional240 7/1660OptionalOptional6(a).
111A60W2Optional240 7/1660NoOptional.
111A60W5Optional240 7/1660NoNo3, 6(b).
111A60W6Optional240 7/1660OptionalOptional4, 5, 6(a), 6(c).
111A60W7Optional240 7/1660NoNo4, 5, 6(a).
111A100ALW1Optional500 5/8100OptionalOptional6(a).
111A100ALW2Optional500 5/8100NoOptional.
111A100W1Optional500 7/16100OptionalOptional6(a).
111A100W2Optional500 7/16100NoOptional.
111A100W3Yes500 7/16100OptionalOptional6(a).
111A100W4Yes (see 179.201-11)500 7/16100NoNo6(a), 8, 10.
111A100W5Optional500 7/16100NoNo3.
111A100W6Optional500 7/16100OptionalOptional4, 5, 6(a) and 6(c).
111A100W7Optional500 7/16100NoNo4, 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]
authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97
source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.
cite as: 49 CFR 179.201-1