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Immingham Storage Co Ltd - East Terminal
Gasoline Storage Tanks Overfill Safety Instrument System - Functional Safety Assessment Stage 2/3
P & I Design Ltd
DOCUMENT NO: SI277016_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: D DATE: 25.04.13
Tel: + 44 (0)1642 617444
PAGE 16 OF 33
Fax: + 44 (0)1642 616447
www.pidesign.co.ukThere is only a single mode of operation of the plant and the SRS reflects this.
The SRS references valves being designed as fire-safe. No additional reference is made
Valves, actuators and solenoid valve specifications required. (Action 5).
4.4
Are project Design Change Procedures in place and been properly implemented?
Design changes appear to have been conducted but no formal SIS change procedure is
referenced. Immingham Storage Company East to confirm how they will provide
management of change now the system is operational. All documents carry unique document
numbers.
Management of change procedures to be updated to include for the requirements of BS EN
61511. (Action 6)
4.5
Have the recommendations arising from the previous functional safety assessment been
resolved?
Yes, See FSA Stage 1 SI277014_RPT
It was noted that the date of the action completions were not as per the date of the document
revisions. There should be some cross-referencing. (Action 7)