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

Open Table
DOT Specification1 Insulation Bursting pressure (psig) Minimum plate
thickness (inches)
Test
pressure (psig)
Bottom
outlet
Bottom
washout
References (179.201 - ***)
111A60ALW1 Optional 240 12 60 Optional Optional 6(a).
111A60ALW2 Optional 240 12 60 No Optional.
111A60W1 Optional 240 716 60 Optional Optional 6(a).
111A60W2 Optional 240 716 60 No Optional.
111A60W5 Optional 240 716 60 No No 3, 6(b).
111A60W6 Optional 240 716 60 Optional Optional 4, 5, 6(a), 6(c).
111A60W7 Optional 240 716 60 No No 4, 5, 6(a).
111A100ALW1 Optional 500 58 100 Optional Optional 6(a).
111A100ALW2 Optional 500 58 100 No Optional.
111A100W1 Optional 500 716 100 Optional Optional 6(a).
111A100W2 Optional 500 716 100 No Optional.
111A100W3 Yes 500 716 100 Optional Optional 6(a).
111A100W4 Yes (see 179.201-11) 500 716 100 No No 6(a), 8, 10.
111A100W5 Optional 500 716 100 No No 3.
111A100W6 Optional 500 716 100 Optional Optional 4, 5, 6(a) and 6(c).
111A100W7 Optional 500 716 100 No No 4, 5, 6(c).

1Tanks 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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