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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 49 - Transportation |
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Subtitle B - Other Regulations Relating to Transportation |
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Chapter I - Pipeline and Hazardous Materials Safety Administration, Department of Transportation |
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Part 179 - Specifications for Tank Cars |
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Subpart C - Specifications for Pressure Tank Car Tanks (Classes DOT-105, 109, 112, 114 and 120) |
§ 179.100-16 - Attachments.
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§ 179.100-16 Attachments.
(a) Reinforcing pads must be used between external brackets and shells if the attachment welds exceed 6 linear inches of 1⁄4-inch fillet or equivalent weld per bracket or bracket leg. When reinforcing pads are used, they must not be less than one-fourth inch in thickness, have each corner rounded to a 1-inch minimum radius, and be attached to the tank by continuous fillet welds except for venting provisions. The ultimate shear strength of the bracket-to-reinforcing pad weld must not exceed 85 percent of the ultimate shear strength of the reinforcing pad-to-tank weld.
(b) Attachments not otherwise specified shall be applied by approved means.
[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179-10, 36 FR 21346, Nov. 6, 1971]