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Introduction
Layers Of Protection Analysis (LOPA) is a risk assessment method
used to determine and hence demonstrate the ability of existing and
proposed safeguards to protect against identified hazard scenarios
and to meet predetermined risk based criteria.
The Process Safety Leadership Group (PSLG) prepared specific
guidance for the applications of LOPA to determine the required
safety integrity level (SIL) for overfill protection of highly
flammable fuel storage tanks at sites similar to Buncefield. The
course presenter was a member of the PSLG LOPA working group that
developed the LOPA guidance. This course will draw on that
guidance, its relevance to LOPA assessment in general, and pitfalls
identified during the assessment of a large number of LOPA studies
from the petrochemical industry.
The course will cover:
- LOPA, uses and complexity
- When to use LOPA and when to consider QRA
- LOPA study prerequisites and preparation?
- LOPA target frequencies
- Human Factors
- Input data sources and uncertainty
- How to perform LOPA; LOPA rules and IEC 61511 requirements,
scenario's, conditional modifiers, enabling events, Independent
protection/mitigation layers
- LOPA Outcomes; regulator expectations, ALARP
considerations
- Example pitfalls associated with LOPA
-
Case study examples
Who should attend
The course is aimed at those engineers, managers and safety
professionals who have a basic knowledge of risk assessment
possibly gained through HAZOP studies and PHA studies, who would
like to have an understanding of the LOPA method and how to apply
LOPA and the pitfalls commonly associated with this type of
analysis.
For example typical attendees could be:
- SHE managers
- Engineering Managers
- Operations personnel
- Engineers - Safety, EC&I, Process, Electrical and
Mechanical
Course presenter
Dr Colin Chambers CEng MIET has 15 years experience at HSE,
initially on the development of risk assessment methods for the
assessment of safety related systems such as the SIL determination
method in informative annex of BS EN 62061 and 11 years experience
of risk assessment within HSE and as a COMAH technical assessor. Dr
Chambers was a member of the PSLG working group that developed the
PSLG LOPA guidance and was part of the CA team charged with
assessing post Buncefield LOPA studies
Dr Chambers has written peer reviewed papers and HSE reports on
issues associated with LOPA and given numerous presentations at
venues in the UK and in Europe.
Venue
The course will be run at the HSE Science and Research Centre in
the spa town of Buxton. Buxton is in the heart of the Peak District
and has good links to mainline train stations and Manchester
International Airport.
Details of hotels in the Buxton area can be found at www.visitbuxton.co.uk
Cost
The cost of this course is £1,175 per person (includes
course notes, lunch and refreshments).
Please note that all courses must be paid for via credit
card at the time of booking.
For further dates and additional information email: hsetraining@hse.gov.uk or
contact the Training and Events Team at HSE directly on +44 (0)203
028 3704.
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