Dear Vinu,
You can propose UT in lieu of RT ,there is no restriction as per AWS D1.1.
Method of NDT shall be specified in contract documents only not in AWS D1.1
But most of the clients prefers RT because of easy interpretation when compared with Manual UT.
In manual UT ,if technician and inspector are not skilled enough it may lead to conflict during inspection. Using Advance UT methods may not be affordable for Structural applications
You decide which method to be adopted only by discussing with Client representative ,NOT BY CODE REFERENCE as a back up document!
Regards,
Sudhakar.K
On Wed, Oct 16, 2013 at 1:30 AM, Vinu Raveendran <vinuravi007@gmail.com> wrote:
--Dear Experts,We are fabricating steel encapsulations for Dolphin Structures. Material is EH36.Client has proposed for 10%RT for butt joints. Can I propose for 10% UT instead for RT as per AWS D1.1 or ASME SECV.Requesting for extact reference from codes.Thanks in advance--
VINU RAVEENDRAN
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