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Pre-Operational Seismic Walk-Through of NPPs in India

[+] Author Affiliations
R. S. Soni, R. K. Mishra, M. K. Agrawal, G. R. Reddy, H. S. Kushwaha, V. Venkat Raj

BARC, Mumbai, India

G. Badrinarayan, R. V. Hawaldar, S. M. Ingole

NPCIL, Mumbai, India

Paper No. ICONE10-22567, pp. 357-363; 7 pages
  • 10th International Conference on Nuclear Engineering
  • 10th International Conference on Nuclear Engineering, Volume 2
  • Arlington, Virginia, USA, April 14–18, 2002
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-3596-0 | eISBN: 0-7918-3589-8
  • Copyright © 2002 by ASME


In nuclear power plants, it is essential to design the various safety and safety related systems and components of the plant in such a manner that they maintain their structural integrity as well as serve their functional performance during a seismic event. The pre-operational seismic walk-through helps in ensuring the installation of various seismic supports as per design intent, identifying the areas where supports are inadequate, identifying the interaction concerns between the systems of various safety classes and locating the various undesired loose, untied / unanchored components, tools, etc. used during the construction activity. A detailed procedure for the pre-operational seismic walk-through of the NPPs was therefore, prepared. Since the types and locations of seismic supports for the various systems and components of the plant had been already reviewed, the major emphasis during the walk-through was laid on their proper installation.

Copyright © 2002 by ASME



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