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 20 OF 22
Fax: + 44 (0)1642 616447
Step Method of Test Acceptance Criteria
Pass ()
Fail (x)
Initial
10.1.5
Operate and release HS Test Switch
The sensing element will initiate a test
sequence on rising edge of test switch.
Test sequence =
5 seconds self-test
2 seconds alarm condition
Returns to healthy state
Valve action found smooth with full
operation of valve stem.
Comment poor action / sticking in
section 10.1.7.
Valve status ESD Tripped on Local
display.
Comment failure in section 10.1.7.
System trips closing and inhibiting from
reopening FINAL ELEMENT valves
and initiating DIAGNOSTICS as
detailed on LF364003_SCH Sheet 2&3.
Comment differences from SCH in
section 10.1.7
XV Closing times for overfill and surge
protection with set limits as detailed on
LF364003_SCH Sheet 2.
Comment failures in section 10.1.7.
Record Physical Closing Time and
Physical Travel Time.
10.1.6
Activate system associated Bund reset
and confirm valves enabled by opening
and closing.
System reset as detailed on
LF364003_SCH Sheet 1.
Comment differences from SCH in
section 10.1.7.
10.1.7 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