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Code of Federal Regulations Title 49. Transportation § 49.179.101–1 Individual specification requirements

Current as of October 02, 2022 | Updated by FindLaw Staff

In addition to § 179.100, the individual specification requirements are as follows:

DOT
specification

Insulation

Bursting
pressure
(psig)

Minimum
plate
thickness
(inches)

Test
pressure
(psig)

Manway
cover
thickness

Bottom
outlet

Bottom
washout

Reference
(179.***)

105A100ALW․․․․․․

Yes․․․․․․․․․

500

5/8

100

22 1/2

No․․․․․․․․․․․․

No

105A200ALW․․․․․․

Yes․․․․․․․․․

500

5/8

200

22 1/2

No․․․․․․․․․․․․

No

105A300ALW․․․․․․

Yes․․․․․․․․․

750

5/8

300

22 5/8

No․․․․․․․․․․․․

No

105A100W․․․․․․․․

Yes․․․․․․․․․

500

39/16

100

2 1/4

No․․․․․․․․․․․․

No

105A200W․․․․․․․․

Yes․․․․․․․․․

500

39/16

200

2 1/4

No․․․․․․․․․․․․

No

105A300W․․․․․․․․

Yes․․․․․․․․․

750

111/16

300

72 1/4

No․․․․․․․․․․․․

No

105A400W․․․․․․․․

Yes․․․․․․․․․

1,000

111/16

400

72 1/4

No․․․․․․․․․․․․

No

105A500W․․․․․․․․

Yes․․․․․․․․․

1,250

111/16

500

2 1/4

No․․․․․․․․․․․․

No․․․․․․․․․․

102–1, 102–2.

105A600W․․․․․․․․

Yes․․․․․․․․․

1,500

111/16

600

2 1/4

No․․․․․․․․․․․․

No․․․․․․․․․․

102–4, 102–17.

109A100ALW․․․․․․

Optional․․․․

500

5/8

100

22 1/2

No․․․․․․․․․․․․

Optional

109A200ALW․․․․․․

Optional․․․․

500

5/8

200

22 1/2

No․․․․․․․․․․․․

Optional

109A300ALW․․․․․․

Optional․․․․

750

5/8

300

22 5/8

No․․․․․․․․․․․․

Optional

109A300W․․․․․․․․

Optional․․․․

500

111/16

300

2 1/4

No․․․․․․․․․․․․

Optional

112A200W․․․․․․․․

Optional4

500

3 59/16

200

2 1/4

No․․․․․․․․․․․․

No

112A340W․․․․․․․․

Optional4

850

111/16

340

2 1/4

No․․․․․․․․․․․․

No

112A400W․․․․․․․․

Optional4

1,000

111/16

400

2 1/4

No․․․․․․․․․․․․

No

112A500W․․․․․․․․

Optional4

1,250

111/16

500

2 1/4

No․․․․․․․․․․․․

No

114A340W․․․․․․․․

Optional4

850

111/16

340

6

Optional․․․․․․

Optional․․․․

103.

114A400W․․․․․․․․

Optional4

1,000

111/16

400

6

Optional․․․․․․

Optional․․․․

103.

120A200ALW․․․․․․

Yes․․․․․․․․․

500

5/8

200

22 1/2

Optional․․․․․․

Optional․․․․

103.

120A100W․․․․․․․․

Yes․․․․․․․․․

500

39/16

100

2 1/4

Optional․․․․․․

Optional․․․․

103.

120A200W․․․․․․․․

Yes․․․․․․․․․

500

39/16

200

2 1/4

Optional․․․․․․

Optional․․․․

103.

120A300W․․․․․․․․

Yes․․․․․․․․․

750

111/16

300

2 1/4

Optional․․․․․․

Optional․․․․

103.

120A400W․․․․․․․․

Yes․․․․․․․․․

1,000

111/16

400

2 1/4

Optional․․․․․․

Optional․․․․

103.

120A500W․․․․․․․․

Yes․․․․․․․․․

1,250

111/16

500

2 1/4

Optional․․․․․․

Optional․․․․

103.

1 When steel of 65,000 to 81,000 p.s.i. minimum tensile strength is used, the thickness of plates shall be not less than 5/8 inch, and when steel of 81,000 p.s.i. minimum tensile strength is used, the minimum thickness of plate shall be not less than 9/16 inch.

2 When approved material other than aluminum alloys are used, the thickness shall be not less than 2 1/4 inches.

3 When steel of 65,000 p.s.i. minimum tensile strength is used, minimum thickness of plates shall be not less than 1/2 inch.

4 Tank cars not equipped with a thermal protection or an insulation system used for the transportation of a Class 2 (compressed gas) material must have at least the upper two-thirds of the exterior of the tank, including manway nozzle and all appurtenances in contact with this area, finished with a reflective coat of white paint.

5 For inside diameter of 87 inches or less, the thickness of plates shall be not less than 1/2 inch.

6 See AAR Specifications for Tank Cars, appendix E, E4.01 (IBR, see § 171.7 of this subchapter), and § 179.103–2.

7 When the use of nickel is required by the lading, the thickness shall not be less than two inches.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 49. Transportation § 49.179.101–1 Individual specification requirements - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-49-transportation/cfr-sect-49-179-101-1.html

Read this complete Code of Federal Regulations Title 49. Transportation § 49.179.101–1 Individual specification requirements on Westlaw

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