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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 26 OF 28
Fax: + 44 (0)1642 616447
www.pidesign.co.uk18
FUNCTIONAL SAFETY ASSESSMENT – STAGE 5 MODIFICATION
Stage 5 – After modification and prior to decommissioning of the SIS.
18.1 Functional Safety Assessment Stage 5 Requirements
Lifecycle
phase in
Figure 1
Activity
10
Functional Safety Assessment Stage 5
Objectives
Inputs
Outputs
Deliverables
Responsible persons
and or organisations
To investigate and arrive at
a judgement on the
functional safety achieved
by the SIS
Planning for SIS
functional safety
assessment
SRS
Design Manual
Management of
Change procedure for
modification
Results of SIS
functional safety
assessment
Functional Safety
Assessment
Stage 5
Document
Functional Safety
Manager
FSA Chairperson
FSA Team
Functional Safety Assessment
Proposed Agenda:
The FSA will address the following as a minimum:
The recommendations and actions arising from the Stage 1, 2, 3 & 4 FSA have been resolved and completed;
Review of the following;
o
Description of the modification;
o
Reason for the modification
o
Hazards which may be affected by the modification;
o
An analysis of the impact on functional safety as a result of the proposed modification;
o
Approvals for the modification;
o
Test used to verify that the change was properly implemented and the SIS performs as required.
Assess how far within the SIS lifecycle to go back and review the impact of the modification;
o
LOPA
o
SRS
o
Design
o
Installation
o
Testing
o
Operation
o
Maintenance
Review the status of operating manuals and documentation in respect to the implemented modification;
Plans or strategies for implementing further FSA’s are in place;
18.2 Functional Safety Assessment 5 Action History
Activity History
Date
Reference
Description