[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR179.100-16]

[Page 1070-1071]
 
                        TITLE 49--TRANSPORTATION
 
   CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, 
                      DEPARTMENT OF TRANSPORTATION
 
PART 179_SPECIFICATIONS FOR TANK CARS--Table of Contents
 
 Subpart C_Specifications for Pressure Tank Car Tanks (Classes DOT-105, 
                         109, 112, 114 and 120)
 
Sec.  179.100-16  Attachments.

    (a) Reinforcing pads must be used between external brackets and 
shells if

[[Page 1071]]

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]