By:  Jason Van Velsor, Dave Anthony, Joe Agnew, and Michael Lashley

Introduction
For the past 2 ½ years, Structural Integrity Associates (SI) has been working diligently to develop, qualify and deliver the nuclear industry’s first-of-a-kind manually acquired encoded phased array UT (PAUT) examination for Section XI dissimilar metal welds (DMWs).  Development of the encoding technology behind this effort, the LATITUDE^TM non-mechanized encoding system, was completed in 2017, with our application-specific inspection procedure completed and qualified through the industry’s Performance Demonstration Program (PDI) in the Spring of 2018. Now, with much enthusiasm, we are proud to report that we have successfully completed the first field deployments of the LATITUDE technology and DMW procedure during the Fall 2018 outage season.

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