LF364001_MNL - Overfill Protection SIS Design Manual

Previous Page

Next Page

Page Background

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 8 OF 19

Fax: + 44 (0)1642 616447

www.pidesign.co.uk

2.4

System Structure

2.4.1 System Model Tanks 1, 2, 3 & 4

Note :

Shaded areas do not affect safety functions

Level

Element

Trip

Amplifier

Safety Relay

With Manual

Reset

Electro /

Hydraulic

Actuator

Gasoline

Pipeline Ball

Valve

Electrical

Isolation and

ESD

Sensor System

Logic Solver

Common Final Element

Annunciator