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Immingham Storage Co Ltd – Immingham East Terminal
IME-SIS1 - Safety Instrument System Safety Requirement Specification
P & I Design Ltd
DOCUMENT NO: SI277010_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: G DATE: 31.10.14
Tel: + 44 (0)1642 617444
PAGE 2 OF 13
Fax: + 44 (0)1642 616447
www.pidesign.co.ukContents
1 REVISION HISTORY.................................................................................................................3 2.0 INTRODUCTION ......................................................................................................................3 2.1 Overview of System.....................................................................................................................3 2.2 Operation......................................................................................................................................4 2.2.1 No. 4 East Tanks ..........................................................................................................................4 2.2.2 General ........................................................................................................................................5 2.2.3 Environmental Considerations ....................................................................................................6 2.3 System Structure .......................................................................................................................7 2.3.1 System Model – No. 4 East Tanks ...............................................................................................7 2.4 Definitions and Abbreviations ..................................................................................................8 3.0 General Requirements ...............................................................................................................9 4.0 Functional Requirements ........................................................................................................10 4.1 No. 4 East Tanks ........................................................................................................................10 4.1.1 SIS Inputs ...................................................................................................................................10 4.1.2 SIS Logic Solvers.......................................................................................................................10 4.1.3 SIS Outputs ................................................................................................................................10 4.2 Interface between the SIS and BPCS .....................................................................................11 5.0 SIF Requirements ....................................................................................................................12