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Immingham Storage Co Ltd
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Immingham East Terminal
IME-SIS1
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Safety Instrument System Shutdown Conditions Proof Testing Procedure
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Controlled Copy 2017 Proof Test
P & I Design Ltd
DOCUMENT NO: SI483018_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: A DATE: 09.04.14
Tel: + 44 (0)1642 617444
PAGE 9 OF 17
Fax: + 44 (0)1642 616447
Controlled Copy 20170704
www.pidesign.co.uk7
AS FOUND FUNCTIONAL PROOF TESTING PROCEDURE
7.1 TK561-SIF1 - Tank 561 As Found Functional Testing
Purpose of Test
To verify the as found operation of LE56101 Tank 561 Independent high high level trip closes XV56101
FINAL ELEMENT valve.
To verify the as found Manual Shutdown functions of Tank 561 FINAL ELEMENT XV56101 valve.
To verify the correct DIAGNOSTICS information.
If sensing element defective the tank could overfill if a demand is made on the overfill protection
system.
If manual shutdown systems defective the FINAL ELEMENT could fail to close if a demand is
made on the terminal shutdown systems.
If response target time is exceeded the tank could overfill following demand.
If FINAL ELEMENT travel time is reduced excessive pipeline surge pressure could be generated.
Diagnostic information not displayed correctly could result in undetected tank overfill, system
unavailability or incorrect operational response.
Controlled Copy Documentation Required
SI483012_SCH
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IME-SIS1 Trip Matrix
Step
Method of Test
Acceptance Criteria
Pass (
)
Fail (x)
Initial
7.1.1 Review procedure with operations and
testing personnel.
All personnel familiarised with the scope
of works and responsibilities
.
Comment any issues in section 7.1.12
and review / rectify prior to starting
testing.
Pass
7.1.2
Confirm plant preparations
satisfactory.
Record PTW No
…06561 (Hot).
Conditions satisfied as detailed on PTW
and RAMS.
Comment any issues in section 7.1.12
and review / rectify prior to starting
testing.
Pass
7.1.3 Confirm system healthy and reset.
System healthy and reset as detailed on
SI483013_SCH Sheet 1.
Comment differences from SCH or if
found in tripped state in section 7.1.12.
Pass
7.1.3
XV56101 is normally in the open
position, if found closed open via local
manual isolation switch. (confirm
acceptance criteria @ step 7.1.7 if
found open)
Valve action found smooth.
Comment poor action / sticking in
section 7.1.12.
Pass
Opening time
–
No specific requirement.
Comment times > 120 seconds in section
7.1.12.
Pass
Correct FINAL ELEMENT valve
position and DIAGNOSTICS as detailed
on SI483012_SCH Sheet 1.
Comment differences from SCH in
section 7.1.12.
Pass
Tank 561 As Found Functional Testing Continued on page 10