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BRAMHALL TERMINAL – BRM-SIS1 ANNUNCIATOR RELAY REPLACEMENT
PHILLIPS 66
16089RPT205B
PAGE 7
3
FUNCTIONAL SAFETY ASSESSMENT STAGE 5 REQUIREMENTS
3.1 FSA 5 Modification
This FSA is for a modification to an existing Safety Instrumented System.
3.2 Agenda
This FSA will address the following:
The recommendations and actions arising from previous FSA have been
resolved and completed;
Project design change procedure;
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;