Page 464 - Offshore Electrical Engineering Manual
P. 464
Safeguards 451
Continued
Final SIL 3 1 1 1
Group SIL 1 1 1 1 1 2 2 2 1 1
SIL max. 1 1 1 1 3 2 2 2 – –
HFT 0 0 0 0 0 0 0 0 0 0
SFF 0.79 0.79 0.79 0.79 0.95 0.72 0.72 0.63 0.95 0.63
Calculated SIL 1 1 1 1 1 2 2 2 1 1
Type A/B Type B Type B Type B Type B Type A Type A Type A Type A Type A Type A Voting within initiators group: 2004. Voting within logic group: 1001. Voting within actuators group: 5005.
Group Name SD95 SD66 SD64 SD63 Logic Release of magnetic door holders 1 Release of magnetic door holders 2 Start of duty FWP Shutdown of ventilation dampers (inlet damper) + sole- noid valve Shutdown of ventilation dampers (inlet damper) + sole- noid valve Total Calculated SIL: 1.
