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Layers of Protection Analysis (LOPA) for Process Safety
Management (PSM)
Course Description
LOPA is a simplified form of risk assessment. It
assists in compliance with PSM and RMP regulations and with the ANSI/ISA
S84.00.01-2004 standard, Functional Safety: Safety Instrumented Systems
for the Process Industry Sector.
LOPA is often used as an extension of process hazard
analysis (PHA). PHA teams use engineering judgement to decide if
additional safeguards are needed to protect against accident scenarios
they identify. This subjective approach can lead to disagreements and
possibly inappropriate measures to reduce risk. A more rational and
objective approach is needed, at least when considering risk remediation
measures for high risk scenarios or those that are expensive to implement.
Layers of Protection Analysis (LOPA) was developed for this purpose.
LOPA is also used to comply with the S84 standard. S84
requires the allocation of safety functions to protection layers, the
determination of required Safety Instrumented Functions (SIFs) and the
determination of their Safety Integrity Levels (SIL). LOPA is one method
used for this purpose. The required SIL of a SIF is derived by taking into
account the required risk reduction to be provided by that function. S84
notes that this is best accomplished as part of a process hazards and risk
analysis (i.e. a PHA) to benefit from possible synergies and the
information developed.
LOPA is used to evaluate scenario risk and compare it
with risk tolerance criteria to decide if existing safeguards are
adequate, and if additional safeguards are needed. Without risk tolerance
criteria, there is a tendency to keep adding safeguards in the belief the
more the safer. This can be a false assumption. Eventually safeguards will
be added that are unnecessary and may add complexity that can result in
new unidentified hazard scenarios. LOPA helps focus limited resources on
the most critical safeguards.
This course describes each step in performing LOPA and
provides experience in its use. A detailed manual is provided for use as a
reference after you have completed the course.
Objective
Describe how to perform a LOPA study to evaluate the
effectiveness of process safeguards and provide experience in applying the
technique.
Target Audience
Process safety personnel, PHA analysts and others who
need to apply or understand LOPA.
Prerequisite
Experience in process safety and process hazard
analysis is helpful.
Course Contents
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Overview of LOPA
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Process safety concepts
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Use of LOPA
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Documentation and example application
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Select scenarios, define consequences, and identify
initiating events and enablers
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Identify existing IPL’s
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Estimate scenario risk
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Making risk decisions
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Worked examples
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Implementation issues for LOPA
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Other uses of LOPA
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Risk graphs
Duration
Two days, 1.4 CEUs awarded
Tuition
See
Information on Pricing and Registration - USA for pricing and
registration information.
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Courses, Prices and Schedule
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“This training was thorough,
concise and very enjoyable.”
- Mario Urias, Kinder Morgan
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Process Hazard Analysis (PHA) for Team Leaders
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“Excellent course, the depth and coverage fit my needs
perfectly.”
-
Andy Engels, Praxair Inc.
“Anyone in the chemicals industry
should take this course.”
-
James Sullivan, BASF Corporation
“Course was very good and covered OSHA & EPA
requirements well. Recommend to anyone who has chemicals
onsite to attend.”
- Gary O’Hern, REC
Silicon |
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Process Hazard Analysis (PHA) Training
Courses
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PHAWorks Software Tips and Tricks - 1 day
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August 4, Chicago, IL
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October 13, Houston, TX
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Refresher Training for Process Hazard Analysis (PHA) Team Leaders - 2 days
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January 14-15, Houston, TX
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June 2-3, Houston, TX
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August 5-6, Chicago, IL
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October 14-15, Houston, TX
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Advanced
Process Hazard Analysis (PHA) for Team Leaders - 2 days
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January 16-17, Houston, TX
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June 4-5, Houston, TX
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August 7-8, Chicago, IL
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October 16-17, Houston, TX
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Process Hazard Analysis (PHA) for Team Members - 2 days
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April 1-2, Houston, TX
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August 12-13, Chicago, IL
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December 9-10, Houston, TX
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Process Safety Management
(PSM) Training Courses
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“Even after 10+ years, dealing
with PSM/RMP, this course provided tid-bits of
information and additional food for thought…good for
those new to these principles, as well as “old-dogs”
like me.
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Michelle Maxwell, Reichhold “Excellent compilation of
information on all aspects of PSM. Information provided
can be used to improve PSM at Petrojam;
ideas as to how
I can make a difference have been clearly identified.”
- Chevril Wallace,
Petrojam Ltd.
“A must for anyone who wants to perform compliance
audits or may expect one.”
- Jason Ebin, Dover
Chemical |
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Designing and Implementing a
Process Safety Management (PSM)
Program -
2 days
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April 29-30, Houston, TX
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June 2-3, Orlando, FL
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August 14-15, Chicago, IL
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October 27-28, Las Vegas, NV
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December 11-12, Houston, TX
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Auditing
Process Safety Management (PSM)
Programs - 2 days
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Understanding and Applying Human Factors for Process Safety
- 1 day
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S84
/ IEC 61511,
Layers of Protection Analysis (LOPA) and
Safety Integrity Level (SIL) Courses
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“Great course!
Helps a novice become expert using working
exercises.”
- Vario
Corsetti, Praxair Inc.
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S84 / IEC 61511 Standard on Safety Instrumented Systems (SIS) and the
Development of a Safety Requirements Specification (SRS) - 1 day
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February 18, Houston, TX
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August 6, Houston, TX
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November 3, Houston, TX
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Layers of Protection Analysis (LOPA) for
Process Safety Management (PSM) - 2 days
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February 19-20, Houston, TX
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April 24-25, London, UK
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See International Course Description
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August 7-8, Houston, TX
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September 25-26, Amsterdam,
The Netherlands -
See International Course Description
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November 4-5, Houston, TX
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December 18-19, Singapore,
Republic of Singapore -
See International Course Description
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Safety Integrity Level (SIL) Verification for the S84 /
IEC 61511 Standard
on Safety Instrumented Systems (SIS) - 2 days
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Software Courses
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“Very good and qualified
instructor.
Sensitive to audience needs (for Primatech software
training).”
- Mark Prude, ISP Chemicals
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JSA,
Procedure
Writing Courses
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“The course gave me the knowledge
skill and confidence to write, very good operating
procedures.”
- Dave
Rossi, TEPPCO “The JHA course is
very informative and will help greatly in the continued
success of our JHA Program.”
- Jeff Brown,
EES Coke Battery
"If you ever wonder what is necessary
to improve or meet requirements, take this class and
learn from an expert."
- Susan Stotts, BP America |
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Management of Change (MOC) and Mechanical Integrity
(MI) Courses
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“I signed up for this course to
gain insight and become familiar with the requirements
and documents needed (codes and standards) to develop
and implement a mechanical integrity program.
My mission was accomplished.”
- Carol
Jack, Aerojet Fine Chemicals
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Cyber Security Courses
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“This course was an excellent
introduction to methods and principle of the C.S.V.A
process.”
-
Raymond Gray, Noveon/Lubrizol
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Human Factors
and Human Errors Courses
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“Very informative and eye opening.
Leaves you waiting to know more (about Human Factors).”
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Everett Smith, Kaneka Texas Corporation
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Courses Offered for In-House Delivery Only
Courses delivered in-house can be customized
to include your specific process examples and drawings. For more
information about training courses, contact us at
training@primatech.com, by fax at
614-841-9805 (any time) or call us at
614-841-9800,
8:30 AM - 5:00 PM EST. You can
also click on any of the above links for additional information.
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