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TITLE 49 - TRANSPORTATION
SUBTITLE B - OTHER REGULATIONS RELATING TO TRANSPORTATION
CHAPTER I - PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C - HAZARDOUS MATERIALS REGULATIONS
PART 179 - SPECIFICATIONS FOR TANK CARS
subpart c - SPECIFICATIONS FOR PRESSURE TANK CAR TANKS (CLASSES DOT - 105, 109, 112, 114 AND 120)
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. 17910, 36 FR 21346, Nov. 6, 1971]
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