ANSI 84 - SIL Ratings - Manual Operations
ANSI 84 - SIL Ratings - Manual Operations
(OP)
When a Client has a manual equipment operating procedure, or even if it is "...supervised-manual..." according to NFPA 85; what is the engineer's position on establinhing a SIL rating for LOPA?





RE: ANSI 84 - SIL Ratings - Manual Operations