Risk-Informed Method for Safety Re-Assessment of Irradiation Facilities
Volume 5, Number 3, April 2009 - Paper 1 - pp. 209 - 217
P. V. VARDE1, NARENDRA JOSHI1, VIVEK MISHRA1, L. N. BANDI2, AMIT SRIVASTAVA2, A. K. KOHLI21Reactor Group, Bhabha Atomic research Centre, Mumbai 400 085, India
2Board of Radiation and Isotope Technology, Vashi, Navi Mumbai 400 705. India
(Received on March 25, 2008, revised on November 11, 2008)
A new approach has been developed in support of re-assessment studies for irradiation facilities. Though this work deals with modeling and assessment of irradiation facility, the methodology described in this paper can be easily adopted with minor changes for any engineering system. This paper discusses the salient features of the methodology through a case study performed on a 30-year-old irradiation facility. The basic approach is risk-informed in nature. Here, the insights from the Probabilistic Safety Assessment along with Operation and Maintenance experience was utilized to support decisions related to regulatory re-licensing for life extension of the plant.
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