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Vol.4 No.3 previous AA-SP7(46-47-48)-NT 50 -51-52

Academic Articles
Regular Paper Vol.4No.4 (2013) p.133 - p.141
 

Current Status of Ultrasonic Examination Performance Demonstration in Korea

 
Yongsik KIM1,*, Byungsik YOON1 and Seunghan YANG1
 
1Korea Hydro & Nuclear Power Company Central Research Institute(KHNP-CRI), 70, 1312-gil, Yuseong-daero, Yuseong-gu, Daejeon, 305-343, KOREA
 
Abstract
The results of ultrasonic testing performed during in-service inspection period for main components of nuclear power plant are affected by the performance of each inspector. To enhance the reliability of inspection, the more restrictive qualification is required. The ASME B&PV code section XI adopted the performance demonstration requirements (Appendix VIII) for the ultrasonic examination of nuclear power plants in the 1989 winter addenda for the first time to enhance the inspection reliability. Korea Hydro & Nuclear Power Co. LTD (KHNP) has developed Korean Performance Demonstration (KPD) system for the ultrasonic examination to apply for pressurized light-water and pressurized heavy-water reactor power plants weld in accordance with ASME code section XI. This paper describes the current status of the ultrasonic examination performance demonstration for nuclear power plant in-service inspection in Korea.
 
Keywords
Performance Demonstration, Ultrasonic Examination, KPD, ASME B&PV, Appendix VIII, piping welds, reactor vessel, overlay, reactor pressure vessel head penetration
 
Full Paper: PDF EJAM Vol.4No. 4 pp.133-141 "Current Status of Ultrasonic Examination Performance Demonstration in Korea
Article Information
Article history:
Received 18 January 2013
Accepted 18 Feburary 2013