Risk-Based Allowed Outage Time and Surveillance Test Interval Extensions for Angra 1

Table 6

Possibility of AOT and STI extensions for the SIS, SWS, and AFWS.

System	Test strategy is staggered	Multiple Greek letters (MGL)	Compensatory measure: test of the redundant train	Compensatory measure: staggered test strategy
SIS	Yes	𝛽	Yes	No
SWS	No	𝛽 and 𝛾	Yes	Yes
AFWS	Yes	𝛽	Yes	No