49 C.F.R. § 179.201-1 Individual specification requirements.
Title 49 - Transportation
In addition to §179.200, the individual specification requirements are as follows: [Amdt. 179–52, 61 FR 28680, June 5, 1996, as amended by 66 FR 45390, Aug. 28, 2001; 68 FR 48571, Aug. 14, 2003]
Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW and 115AW)
§ 179.201-1 Individual specification requirements.
-------------------------------------------------------------------------------------------------------------------------------------------------------- Minimum Bursting plate Test References (179.201 - DOT Specification \1\ Insulation pressure thickness pressure Bottom outlet Bottom washout ***) (psig) (inches) (psig)--------------------------------------------------------------------------------------------------------------------------------------------------------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- 500 \7/16\ 100 No................. No................. 6(a), 8, 10. 11).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.
