WORKPLACE HEALTH SAFETY ENVIRONMENTMYND Abstract: Adopt Functional Safety according to the IEC 61511...
Transcript of WORKPLACE HEALTH SAFETY ENVIRONMENTMYND Abstract: Adopt Functional Safety according to the IEC 61511...
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Under the auspices of Sponsored by
SHERATON DAMMAM HOTEL & CONVENTION CENTRE
1ST WORKPLACE HEALTH SAFETY ENVIRONMENT
8 – 9 October 2019
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INTRODUCTION
Mr. ARNOLDI Davide Enrico
Managing Director
MYND
Abstract:
Adopt Functional Safety according to the IEC 61511
standard to prevent risks from hazardous events
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MYND is an Italian engineering company
• Functional Safety training course for certification
CFSE/CFSP by EXIDA
• Functional Safety Management
WHAT WE CAN DO FOR YOU…
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The MYND training course has obtained the approval of EXIDA as a
useful course for obtaining the CFSP (Certified Functional Safety
Professional) and CFSE (Certified Functional Safety Expert)
certifications
FS TRAINING CFSP/CFSE
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• HAZOP/HAZIDManagement, Procedure, Chairman, Final Report
• SIL allocationManagement, SIF identification, Procedure, Chairman, Final Report
• SIL verification SIL verification by Capability, Architectural constraint, PFD. Final report with
indication of possible actions in order to reach the SIL level required
• Safety Requirement Specification (SRS)
• SIL Validation
WHAT WE CAN DO FOR YOU…
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INTRODUCTION
ARE THERE TOOLS TO PREVENT DEATHS AT WORK OR ENVIRONMENTAL
IMPACTS DUE TO MALFUNCTIONS OR ERRORS COMMITTED IN INDUSTRIAL
PROCESSES?
Over the past few years, enormous strides
have been made in safety.
Standards and good safety engineering
help reduce risks ...
IF THESE ARE APPLIED CORRECTLY!
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All companies are required, in accordance with the relevant
legislative provisions, to comply with general principles of
prevention in matters of safety and health.
One of the fundamental aspects in this field is the Functional Safety
of safety systems, used to reduce the risks deriving from plants,
processes, machinery.
FUNCTIONAL SAFETY
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Functional Safety is the part of overall safety that depends on the
automatic protection that operates correctly in response to a fault.
The objective of functional safety is freedom from any risk
unacceptable from damage to human health either directly or
indirectly (through damage to property or the environment) through
the correct implementation of one or more
instrumented safety functions.
FUNCTIONAL SAFETY DEFINITION
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Functional Safety includes
• Risk identification;
• Risk assessment;
• Risk reduction methodology ;
• Reliability verification with the equipment installed
This means carrying out an evaluation of the process risks and
where these are not tolerable, trying to reduce them with the safety
systems designed ad-hocthe correct implementation of one or more
instrumented safety functions.
FUNCTIONAL SAFETY
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“Functional Safety: Safety Instrumented Systems for
the Process Industry Sector”
IEC61511 applies to (SIS) Safety Instrumented
Systems to be installed in the process industry
SIS are the systems composed of:
• Instruments (initiators)
• Logic solver
• Actuators (final elements)the correct implementation of one or
IEC 61511
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The SIS consists of any combination of sensors / transmitters, logic solvers
and final elements
The SIS corresponds to the set of all the instrumented safety loops of the
system
the correct implementation of one or
IEC 61511
Subsystem
Initiators
Subsystem
Logic Solver
Subsystem
Final Elements
SIS
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Functional Safety is the reduction of risks provided by instrumented
functions implemented in such a way as to ensure safe operation of
the process and to avoid:
• Injury or death of humans
• Spills to the environment
• Loss of equipment or production
100% functional safety will never exist as we are dealing with
components that can failthe correct implementation of one or more
instrumented safety functions.
IEC 61511
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Risk analysis and definition of SIF
SIS design, installation and validation
Operation, maintenance and decommissioning
Management, planning and verification
r
IEC 61511 LIFECYCLE
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WHAT COULD GO WRONG?
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WHAT COULD GO WRONG?
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The standard introduces a measure
of reliability and therefore of risk
reduction, that must be achieved by
our Safety Instrumented System
In simple terms, SIL is a
measurement of performance
required for a safety instrumented
function (SIF)
SIL – SAFETY INTEGRITY LEVEL
SIL 1 SIL 2 SIL 3
10.000
7.500
5.000
2.500
0
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Here the first fundamental steps for risk reduction
IEC 61511 FUNDAMENTALS STEPS
Define the risk, consequences and causes and
any possible new
recommendation
HAZOP
Assign a SIL level to every instrumented
safety function necessary to
reduce the risk to a tolerable
value
SIL allocation
Verify that the safety
instrumented system
designed respects the required SIL
value
SIL verification
Check that the safety
instrumented system installed
respects the required SIL
value
SIL validation
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COMMON ERRORS
O N L Y H A Z O P I S D E V E L O P E D
I have only detected the
possible dangerous
scenarios.
N O S T U D Y O F P R O C E S S R I S K S
I have no information about what
can happen
NO S IL ALLOCATION
I don’t know about performance
of my safety loop
N O S I L V E R I F I C A T I O N
I don’t know if my design and my
instruments respect the
performance level
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HOW TO CONTACT MYND
@MYND_italian_skills
@MYNDitalianskills
mynd_safety
+39 347 3748752
MYND italian skills
www.myndservices.com
+39 347 3748752 (mobile)
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HOW TO CONTACT MYND
THANK YOU FOR YOUR ATTENTION
And remember…
THE MOST DANGEROUS PHRASE IN THE LANGUAGE IS:
“WE’VE ALWAYS DONE IT IN THIS WAY”