LF364001_MNL - Overfill Protection SIS Design Manual

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Local Fuel PLC – The Shoreham Oil Terminal
Safety Instrument System Overfill Shutdown Conditions Proof Testing Procedure LFS-SIS1
P & I Design Ltd DOCUMENT NO: LF364012_RPT
2 Reed Street, Thornaby, UK, TS17 7AF ISSUE: A DATE: 20.05.15
Tel: + 44 (0)1642 617444 PAGE 10 OF 22
Fax: + 44 (0)1642 616447
Step Method of Test Acceptance Criteria
Pass ()
Fail (x)
Initial
7.1.5
Trip valve under test via simulation of
monitoring panel ESD by removing
fuse 24V/1. Note – This will close all
valves controlled via LFS-SIS1.
Valve physical action found smooth with
full operation of valve stem.
Comment poor action / sticking in
section 7.1.8.
Valve status ESD Tripped on Local
display.
Comment failure in section 7.1.8.
Closing times for overfill and surge
protection within set limits as detailed on
LF364003_SCH Sheet 2.
Comment failures in section 7.1.8.
Record Physical Closing Time and
Physical Travel Time.
Correct FINAL ELEMENT valve
position and DIAGNOSTICS as detailed
on LF364003_SCH Sheet 2.
Comment differences from SCH in
section 7.1.8.
7.1.6 Reopen valve.
System remains tripped inhibiting from
reopening FINAL ELEMENT valves.
Comment failure in section 7.1.8.
7.1.7 Replace fuse 24V/1.
FINAL ELEMENT valves remain
closed.
Comment failure in section 7.1.8.
7.1.8 Comments/Defects/ Remedial Actions – Report ALL to System Keeper
Tested by Position Qualification Sign Date
System Keeper Acknowledgement
(Note: Signature confirms System keeper is advised of Comments/Defects/Remedial Actions and will initiate
terminal procedures for rectification works and/or isolation of plant as required)
Accepted by Position Qualification Sign Date