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Tubular Connection

Tubular Connection

Tubular Connection

When a pipe pile is welded to a pile cap with a CJP weld with backing, is this considered a Tubular Connection? If so do the welders performing these welds need to be qualified on pipe if the pile pipe is less than 24"OD?

RE: Tubular Connection

If either member of the connection is a tubular member, it is a tubular connection. If the connection involves a CJP welded from one side without the use of backing (steel), the joint and the welders must be qualified with the T,Y, and K test depicted in Clause 4 of D1.1. The requirements have not changed in many years, so the edition invoked by the Owner isn't going to make a difference.

Best regards - Al

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