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Local Fuel PLC – The Shoreham Oil Terminal
SIS Management of Functional Safety – Safety Plan
P & I Design Ltd
DOCUMENT NO:LP364004_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: C DATE: 27.05.15
Tel: + 44 (0)1642 617444
PAGE 25 OF 28
Fax: + 44 (0)1642 616447
www.pidesign.co.uk17
MODIFICATION
17.1 Modification Requirements
Lifecycle
phase in
Figure 1
Activity
7
Modification
Objectives
Inputs
Outputs
Deliverables
Responsible persons
and or organisations
To make corrections, enhancements
or adaptations to the SIS, ensuring
that the required safety integrity level
is achieved and maintained.
Scope of any
required
modifications to
maintain
integrity
As-built
documentation,
records and
back-ups.
Modified SIS.
Functional Safety
Manager
Lifecycle
phase in
Figure 1
Verification Plan
9
Utilise QSF020_SIS – Stage 5 – Safety Instrument System Modification
Checklist 11 - Modifications
17.2 Modification Action History
Activity History – Terminal in Texaco/Chevron/Valero ownership
Date
Reference
Description
Roles
Persons assigned
09.05.11
18
SI157211_RPT
Revision A
Drexelbrook Level
Switch PCB
Replacement Test
Procedure
P&I Design
Ltd
Simon
Management
Ltd
D S Regan BEng
I Goldsworthy
11.05.11
SI157211_RPT
Revision A
Controlled
Copy
Drexelbrook Level
Switch PCB
Replacement Test
Procedure Results
P&I Design
Ltd
Simon
Management
Ltd
P Lynch
I Goldsworthy
16.01.12
18
SI157052_RPT
Revision A
Trip Amplifier
Wiring
Modifications
P&I Design
Ltd
Chevron Ltd
P Lynch
I Goldsworthy
17.3 Modification Verification History
Lifecycle
phase in
Figure 1
Verification
9
Utilise QSF020_SIS – Stage 5 – Safety Instrument System Modification
Checklist 11 - Modifications
SI157105_RPT Revision A – Compliance Document - Section
8 – Checklist 11 – Modifications
QSF020 did not exist under Chevron ownership, all checklists
were contained in a compliance document.