Statutory inspection - Spring

Froich law requires hydraulic tests to be conducted at least once every ten years on equipment subject to gas or vapour pressure. The last tests were carried out in 1980. A complete inspection of the turbogenerator set was also required. 

Fuel storage drum. Major welds of this 5.40 m high drum, made of A 42 grade steel, selected for their mechanical load and/or geometry, were inspected. An ultrasonic method was used. The inspection showed no significant faults. 

Reactor unit. Dismantling of parts for replacement or inspection was not required. The only operations involved were testing and inspection. They were performed on the following parts no significant faults were detected  

Leak tests using helium injection were conducted at the following locations  

Ultrasonic inspection was carried out on around 60% of the length of the connection welds between the roof and the main vessel and between the main vessel and the double safety wall vessel. 

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