Many people get confused between these two similar, but different safety risk assessment techniques: HAZOP (HAZard and OPerability study ) and HAZID (HAZard IDentification study).
Now in its third year, these HAZOP/LOPA studies have covered a large group of facilities in Kazakhstan.
Work continues on a SIL study for a major pipeline project in Thailand.
SIL-rated process safety functions are now commonplace, and as an extension of this many users are specifying SIL-rated fire (and gas) safety functions. Perhaps this is without an adequate understanding that there are significant differences in the design and implementation of fire (and gas) safety functions – differences that can make it difficult to achieve even SIL 1 safety performance.
Read more: SIL-Rated Fire (& Gas) Safety Functions Fact or Fiction?