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NDE & Leak Test requirement for Hot Tapping

NDE & Leak Test requirement for Hot Tapping

NDE & Leak Test requirement for Hot Tapping

(OP)
Dear All

To satisfy the examination requirements in B31.3, are NDE & Leak Test still necessary for Hot Tapping?

RE: NDE & Leak Test requirement for Hot Tapping

NDE yes, leak test no.

RE: NDE & Leak Test requirement for Hot Tapping

Even if leak testing is not required, you will want to do so...

RE: NDE & Leak Test requirement for Hot Tapping

How can you avoid it?

RE: NDE & Leak Test requirement for Hot Tapping

(OP)
Not performing Leak test for hot tapping works is an industrial practice. Or there is section of a code/standrad that allows it?

Please advise. Thank you

RE: NDE & Leak Test requirement for Hot Tapping

Repeat.  How can you avoid it.  That's not a question.

Let your acquaintances be many, but your advisors one in a thousand'  ...  Book of Ecclesiasticus

RE: NDE & Leak Test requirement for Hot Tapping

How can you avoid it? Close your eyes!

Most would consider visual examination after the work is complete a "leak test."

RE: NDE & Leak Test requirement for Hot Tapping

B31.3 defines them as two separate things.

Let your acquaintances be many, but your advisors one in a thousand'  ...  Book of Ecclesiasticus

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