LF364002_MNL - Overfill Protection SIS Management Manual

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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 27 OF 28
Fax: + 44 (0)1642 616447
19 DECOMMISSIONING
19.1 Decommissioning Requirements
Lifecycle
phase in
Figure 1
Activity
8 Decommissioning
Objectives Inputs Outputs Deliverables
Responsible persons
and or organisations
To ensure that safety instrumented
functions remain appropriate during
decommissioning and that safety
integrity of interfacing systems is not
compromised.
Decommissioning
plan.
As-built SIS and
process
information
SIS and SIFs
placed out of
service
Decommissioned
SIS.
Functional Safety
Manager
Lifecycle
phase in
Figure 1
Verification Plan
9 Utilise QSF021_SIS – Stage 5 – Safety Instrument System Decommissioning
Checklist 12 - Decommissioning
19.2 Decommissioning Action History
Activity History
Date Reference Description Roles Persons assigned
18
19.3 Decommissioning Verification History
Lifecycle
phase in
Figure 1
Verification
9 Utilise QSF020_SIS – Stage 5 – Safety Instrument System Modification
Checklist 12 - Decommissioning
SI157105_RPT Revision A – Compliance Document - Section
8 – Checklist 12 – Decommissioning
QSF021 did not exist under Chevron ownership, all checklist
were contained in a compliance document