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EPC-UK
Introduction to Process Safety
The contents of the presentation are ©EPC-UK
EPC-UK !
!Overview of Safety Systems
!Principles of Process Safety
!Application to External Industry
!Summary
Overview
EPC-UK
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Process Safety Introduction
EPC-UK #
Health and Safety Management
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EPC-UK C
‘A blend of engineering, management, and operational skills focused on
preventing catastrophic accidents; particularly explosions, fires, and toxic
releases associated with the use of chemical and petroleum products’
Centre for Chemical Process Safety
Process Safety Definition
EPC-UK D
Flixborough
!Flixborough 1st June 1974;! Design modifications not
controlled
! 28 fatalities! 36 injuries on site! 56 injuries off site
EPC-UK E
Seveso
!Seveso Disaster 10th June 1976;! Overheating of chemicals due to
plant shut down! No control readings on reaction
process! Release of toxic cloud over town of
Seveso
EPC-UK F
!European Law;! Directive 82/501/EC, Seveso Directive I (1982)! Directive 96/82/EC, Seveso Directive II (1996)! Directive 2012/18/EU, Seveso Directive III (2012)
!UK Law;! HASAWA (1974)! Control of Industrial Major Accident Hazards (CIMAH)
1984 Regulations! Control of Major Accident Hazard Regulations
(COMAH) 1999 / 2015
EU Law and COMAH
EPC-UK
GH
Is Process Safety Relevant to Me?
EPC-UK GG
Relevance to External Industry?
EPC-UK G!
Relevance to External Industry?
EPC-UK G"
!Tianjin !2015!Nitrocellulose Storage!800t Ammonium
Nitrate!798 injuries!173 Fatalities
https://www.youtube.com/watch?edufilter=NULL&v=993wlZ6XFSs
Relevance to External Industry?
EPC-UK
G#
Process Safety Overview
EPC-UK GC
HSE Common Failings?
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EPC-UK GD
Managing Process Safety
Plant
Process
People
EPC-UK GE
Process Safety Asset Management Lifecycle
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EPC-UK GF
Layers of Protection
Aims of Layers of Protection
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Inherent SafetyT)4$(+#3(#0#%#,'1B
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EPC-UK GI
Prevention, Control &
Mitigation of Process Incidents
Emergency Response
Prevention, Prevention, Prevention, Prevention, Control &
Passive Protection
Control & Prevention, Prevention, Prevention, Control &
Active Protection
Safety Shutdown
Basic Process Control
Process Incident
Layers of Protection
EPC-UK
!H
Transferable Tools!HAZOPS!Management of Change
EPC-UK !G
!HAZOPS! Multidisciplined team! Process split in to sections! Hazards systematically assessed individually and as a
whole! Provides operations risk assessment base
HAZOPS
EPC-UK !!
The MoC Process
EPC-UK !"
HAZOP’s – Bulk Emulsion Plant
EPC-UK !#
Safety Systems and Emergency Training
EPC-UK !C
Smart Blasting MoC
EPC-UK !D
!Process Safety Introduction
!Relevance to Other Industries
!Process Safety Overview
!Transferable Tools
!Application
Summary
EPC-UK