LF364002_MNL - Overfill Protection SIS Management Manual

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Local Fuel plc – Shoreham Oil Terminal
Safety Instrumented Systems – Policy and Lifecycle Activities
P & I Design Ltd DOCUMENT NO: LF364003_RPT
2 Reed Street, Thornaby, UK, TS17 7AF ISSUE: C DATE: 12.06.15
Tel: 00 44 (0)1642 617444 PAGE 18 OF 19
Fax: 00 44 (0)1642 616447
7.5 Modification
Safety lifecycle
Phase
Activity Required Competencies
Modification Management of
Change Control
 Knows and understands site procedures
for management of change.
 Has carried out a risk assessment for
management of change.
 Knows how to modify SIS to achieve
required revised functionality and integrity
and implications of the changes.
 Has managed and/or developed revised
documentation and procedures associated
with SIS modifications.
Specification, Design,
Implementation
and Testing
of Modification
 For any activities included in
Design and Engineering,
Installation Commissioning and Validation
or Operation and Maintenance above,
the same competencies are required for
modifications.
7.6 Decommissioning
Safety lifecycle
Phase
Activity Required Competencies
Decommissioning Decommissioning  Knows and understands how to
decommission SIS while ensuring hazards
are managed.
 Has experience of decommissioning SIS in a
safe manner.
7.7 Verification
Safety lifecycle
Phase
Activity Required Competencies
Verification Checking and approval
of lifecycle
documentation
 Knows how to carry out verification reviews.
 Has experience of verifying two or more
lifecycle activities.