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Local Fuel – Shoreham Oil Terminal
Safety Requirement Specification
P & I Design Ltd
DOCUMENT NO: LF364005_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE:C DATE: 14.08.15
Tel: + 44 (0)1642 617444
PAGE 13 OF 19
Fax: + 44 (0)1642 616447
www.pidesign.co.uk4
FUNCTIONAL REQUIREMENTS
See SIS Overview Trip Matrix, LF364001_SCH
4.1
SIS Inputs
1.
Tank Level Switch Elements
a.
Tank 1 – LE1
b.
Tank 2 – LE2
c.
Tank 3 – LE3
d.
Tank 4 – LE4
e.
Tank 5 – LE5
f.
Tank 6 – LE6
g.
Tank 7 – LE7
h.
Tank 8 – LE8
i.
Tank 9 – LE9
j.
Tank 10 – LE10
2.
Manual Reset Pushbutton/Remote Input
a.
East Bund common reset relays operated by a panel pushbutton or remote
input :– Reference Drawing LF364020
At present only 2 gasoline tanks are in service, tanks 1 & 3. However the system is designed
for tanks 1, 2, 3 & 4 to shut the gasoline pipeline valve on activation of level switch in any of
tanks 1 to 4.
4.2
SIS Logic Solvers
1.
Safety Relay with feedback verification before reset.
a.
R088
b.
R252
c.
R292
d.
R332
e.
R492
f.
R532
g.
R572
h.
R612
i.
R652
j.
R692
4.3
SIS Outputs
1.
Ball valve with fail closed, electro hydraulic, spring return actuator.
a.
Pipeline Import Valve
XV162