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Local Fuel – The Shoreham Oil Terminal
Gasoline Import - Safety Instrument System
P & I Design Ltd
DOCUMENT NO: LF364006_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: C DATE: 13.05.16
Tel: + 44 (0)1642 617444
PAGE 2 OF 23
Fax: + 44 (0)1642 616447
www.pidesign.co.ukContents
1 REVISION HISTORY ..............................................................................................................3 2 SCOPE ........................................................................................................................................3 3 DEFINITIONS AND ABBREVIATIONS ...............................................................................4 4 SAFETY LIFE CYCLE .............................................................................................................5 5 SPECIFICATION OF SAFETY INSTRUMENT SYSTEM .................................................6 6 SAFETY INSTRUMENT FUNCTIONS .................................................................................6 6.1 Sensor Sub-System .....................................................................................................................6 6.2 Logic Solver ..............................................................................................................................10 6.3 Final Element Subsystem ........................................................................................................14 6.4 System PFD ...............................................................................................................................18 6.5 PFD System Calculations– Spreadsheet Programme ...........................................................19Appendices
1.
Drexelbrook RF Type Level Switch
2.
Pepperl and Fuchs KFD2-CRG2-Ex1.D – FMEDA Hardware Assessment
3.
Pilz PNOZ S2 – Safety Relay
4.
Rotork Skilmatic Ltd - SI-1Q & SI2/2.1Q Sira FSP 12018/02
5.
Pekos Ball valves – Exida Certificate