Thus, the characterization was expanded to higher illustrate the relationship of the alarm system to the NPP processes and systems. The goal of this research was to replace and revise the Nuclear Regulatory Fee's (NRC) steerage for reviewing alarm system designs. The princiPal perform of fite detection systems is recognized as the notification of antifire agents of the chance of an undesirable fireplace. It is demonstrated that using the false alarm price to specify the malfunctioning of a thres...