The nuclear power tradeisa trade in which thedemandofsecuritygrade is high. Toguaranteenuclear power station runningnormally, the controlsystemit usedmustpossess high safetyperformance.
As part of my job, I reported alarming inadequacies: in one case high-grade equipment (ASME III, class 1) was operated in nuclear power reactors with no accepted safety file, regardless of a previous accident and a half-dozen failures in achieving acceptable design results.