Optimisation of non-destructive testing - Probabilistic Safety Assessment for Optimum Nuclear Power Plant Life Management (PLiM) - page 232

7. 9 Pipelines of the circuit for multiple forced circulation o RBMK-
1500 reactor with the total number of welded joints of 1241: 1)
drum separators; 2) pressure and suction manifolds.

Block 1
Block 2

17.7 cases per annum

￿ ￿ ￿ ￿ ￿

6.3 cases
per annum

Service time, years

7. 1 0 The number of detected defects caused by intergranular stress
corrosion cracking.

The programme based on a study of the risk of the Ignalinsk nuclear
power plant (IRBIS) was designed to:
• perform risk analysis of the chosen system of tubes at Ignalinsk
plant, 2 units;
• use the results of risk analysis to identify inspection areas;