Execution period 2006 - 2008
Contractor Kozloduy NPP Plc.

ANALYSIS OF THE ENGINEERING RELIABILITY AND CALCULATIONS ON MAXIMAL STRENGTH OF THE REACTOR FACILITY PROTECTIVE SHELL FOR KOZLODUY NPP UNITS 5 AND 6

Verification has been performed for the civil structure security of the protective shell at all external and internal impacts in accordance with the valid normative documents and by taking into consideration the modernization carried out of the stressing system, and the actual condition.

The boundary bearing capability (capacity) of the protective shell in case of severe accident conditions has been determined.

The ageing processes have been analyzed and the critical elements of the structure have been determined.

A program for management of the remaining service life of protective shells has been prepared, and the recommendations regarding the future operation and control of the protective shell have been formulated.

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