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Yesterday – Safety circa 2005?

IEC61508 around 5+ years,

61511 around for 2

The year of Buncefield and

Texas City

Safety Lifecycle more

apparent Hazop/Lopa-SRS-

SIL-SIFs

1 … 846-847 848-849 850-851 852-853 854-855 856-857 858-859 860-861 862-863 864-865 866-867 868-869 … 1143  FlippingBook