Pipind NDT Criteria

Hi All,

Pls throw some light for below bolded.

Ref to ABS rules Part 2-4-4.

Class I - Piping Butt joints shall be 100% RT for Dia >2 1/2".

Class II - Piping Butt joints shall be 10% RT for Dia >3 1/2".

Questions.

1, Class I - What is the RT % for Dia <2 1/2" ??.

2, Class II - What is the RT % for Dia <3 1/2" ??.

3, Is there any more % of NDT' s ( MPI, UT, etc.. ) to be added ??

Many thanks.