e&h sil poster
TRANSCRIPT
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8/18/2019 E&H SIL poster
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E n d r e s s+ H a
u s e r
S a f e
t y
I n teg r i t y L e v e
l
SIL
Organizational requirements
Safety lifecycle
Concept
Hazard and risk analysis
Safety requirements
Planning, realization
Installation, commissioning
Operation, maintenance, repair
Decommissioning, disposal
Q u a l i f i c a t i o n , t r a i n i n g a n d d o c u m e n t a t i o n
V e r i f i c a t i o n
Modification, retrofit
M a n a g e m e n t o f f u n c t i o n a l s a f e t y
F u n c t i o n a l s a f e t y a s s e s s m e n t
Technical requirements
SFF – HFT – SIL – type A, type B
Safe failurefraction (SFF)
Hardware fault tolerance(Type A – simpleequipment)
Hardware fault tolerance(Type B – complexequipment)
0 1 2 0 1 (0*) 2 (1*)