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Local Fuel PLC –The Shoreham Oil Terminal
Safety Instrument System LFS-SIS1 - Operation, Maintenance and Modification Lifecycle
P & I Design Ltd
DOCUMENT NO: LF364013_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: B DATE: 16.05.16
Tel: + 44 (0)1642 617444
PAGE 11 OF 11
Fax: + 44 (0)1642 616447
www.pidesign.co.ukShutdown Conditions Proof Testing Flowchart
Proof Test
Scheduled
Hardware
Verification
Fail
Pass
Safe to Continue Test
Report to system
Keeper
No
Yes
AS FOUND
Functional TEST
Fail
Safe to Continue
Test / Fault
Investigation
ATEX Inspection/
Preventative
Maintenance
/ Failure Testing
Report to system
Keeper
Yes
Test Procedure
Pass
Fail
Safe to Continue
Test / Fault
Investigation
Report to system
Keeper
No
Yes
As Left Functional
Test
Pass
Report to system
Keeper
Test Procedure
Test Procedure
Documentation
Verification
Fail
Documentation Suitable
to Initiate Site Test
Report to system
Keeper
No
Yes
Lifecycle Analysis
and Approval
Test Procedure
Test Procedure
Pass
No
Test Procedure
System Failure
Reported