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Status Report: Welding Task Group

Status Report: Welding Task Group. R eport to NESCC – 23 July 2013 Tom Siewert – NIST siewertt@gmail.com. Objectives. Review the welding standards (ASME, AWS, etc.) used in nuclear construction

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Status Report: Welding Task Group

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  1. Status Report: Welding Task Group Report to NESCC – 23 July 2013 Tom Siewert – NIST siewertt@gmail.com

  2. Objectives • Review the welding standards (ASME, AWS, etc.) used in nuclear construction • Look for inconsistencies between them, and areas where they cause problems for users or lag behind current technology • Make recommendations to the standards bodies that would streamline the construction of safer nuclear plants (value to stakeholders)

  3. Team (~50 Participants) • About ½ representing industry (mostly chairs of AWS technical subcommittees) • About ¼ representing associations • About ¼ representing government

  4. Timeline • First meeting – November, 2011 – face to face • Thirteen meetings since then (12 teleconferences and 1 face to face • Status report – July 2013 • Final report – Fall, 2013 (target)

  5. Structure • WTG – to oversee progress and evaluate recommendations drafted by working groups • Working Groups – by technical discipline • Personnel/Qualification Issues – Jeff Fluckiger – Chair • Welding Engineer Certification - Tom Siewert • Inspection Technology - Michael Moles and Eric Sjerve • Fitness for Service - Harold Gray

  6. Top Needs (of End Users) • Unnecessary requalification of welding procedures (why do we have to repeat what we have successfully done before?) • Keeping individual standards aligned with each other • Better certification of welding personnel, especially welding engineers • Making better use of the inspection capabilities of phased array UT technology, and • Making repair decisions based on fitness for service assessments (rather than workmanship standards)

  7. Near-term Actions • Status report has just been prepared (based on discussions up to July 1) • Final report being completed

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