32 / 443
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 16 OF 19
Fax: + 44 (0)1642 616447
www.pidesign.co.uk4.6.3 Tank 3
ID:
SIF-3
Service
Reference:
Tank 3
High High Level in Tank
3 shuts down Gasoline
Pipeline valve.
Required SIL:
2
Proof Test Interval:
12 months
Response Time:
Sensor and Logic solver <2 seconds
Final Element approx. 90 seconds
Activation Method:
De-energise to trip (See G.R.)
Manual reset:
Required (See G.R.)
Safe State
Nuisance Trip
Requirements:
<1 in 10 years
Flow to tanks 1 & 3
stopped, Gasoline
Pipeline valve closed.
Diagnostics:
Required
Manual Shutdown:
Via Manual Control and site ESD
pushbutton
Regulatory Reqs.:
BS-EN61511
Process Setpoint:
9851 mm
(Reference 1)
External Alarm
Annunciated in Control Room and
Jetty.
Notes:
R.R.F. Required - 200
4.6.4 Tank 4
ID:
SIF-4
Service
Reference:
Tank 4
High High Level in Tank
4 shuts down Gasoline
Pipeline valve.
Required SIL:
2
Proof Test Interval:
12 months
Response Time:
Sensor and Logic solver <2 seconds
Final Element approx. 90 seconds
Activation Method:
De-energise to trip (See G.R.)
Manual reset:
Required (See G.R.)
Safe State
Nuisance Trip
Requirements:
<1 in 10 years
Flow to tanks 1 & 3
stopped, Gasoline
Pipeline valve closed.
Diagnostics:
Required
Manual Shutdown:
Via Manual Control and site ESD
pushbutton
Regulatory Reqs.:
BS-EN61511
Process Setpoint:
10152 mm
(Reference 1)
External Alarm
Annunciated in Control Room and
Jetty.
Notes:
R.R.F. Required - 200
Reference 1: Shoreham Tank LOC’s Spreadsheet