2 Ways to improve Process Safety
Transcript of 2 Ways to improve Process Safety
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GLOBAL PARTNER
for a
SAFE WORLD
▪Audits and Incident Investigations an intergrated approach
2 Ways to improve Process Safety
DEKRA 2021 – Page 1
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Pieter de Kort
General Manager Process Safety
DEKRA - Netherlands & Flanders
Chemical Process Engineer by training
1988 – 2004
2004 – 2007
2007 – 2017
2017 -
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Why Improve Process Safety?
Because it is
▪ needed – current performance is not good
▪ demanded – legal or social obligations
▪wished – intrinsic motivation
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How to Improve Process Safety?
By three methods we may learn wisdom:
1. Reflection, which is noblest
2. Imitation, which is easiest
3. Experience, which is the bitterest
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孔夫子 Confucius, Chinese Philosopher
551 – 479 BCE
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Within Process Safety we apply all three ways
ReflectionHAZOP, JSA …
Imitation
Standards, NormsExperience
Incident Investigation
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CCPS Risk Based Process Safety
CCPS Element
Key Principle
Essential Feature
Intervention
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Protection layers
▪Swiss Cheese model – James Reason
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▪Risk Based Process Safety - CCPS
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# 2 - Audits & Assessments
▪Standards ▪Guidance
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#2 – DEKRA ‘s Organisational Process Safety assessment
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#3 – Learning from incidents
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Do we really learn from past incidents?
E.g. Ammonium nitrate disasters▪ Oppau, 21 Sep 1921, 561 fatalities, 2000 injured
▪ Toulouse, 21 Sep 2001, 29 fatalities, 2500 injured
▪ West Texas, 17 Apr 2013, 15 fatalities, 200 injured
▪ Tianjin, 12 Aug 2015, 114 fatalities, thousands injured
▪ Beirut 2020, 215 fatalities, 7,500+ injured, Property damage, 15+ billion USD
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Unfortunately there are many more Ammonium Nitrate incidents
In total 2315 fatalities in 104 years
31 incidents
1 per 3 years
Average 74 fatalities per incident
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Lebanon Beirut 4/8/2020 218
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Current Incident Investigtion practice is often:
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Opportunity, close 4
holes completely
Closing only 1 hole partly
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What to do?
▪ Find all the holes
▪Close completely
DEKRA’s aproach:
▪ “Guide word” assisted investigation plan
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Example; Element Incident Investigtion
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Investigation Questions:
1. Is there an incident investigation process?
2. Did the incident or similar happen before?
3. Was in investigation done before?
4. What were the findings?
5. Were the findings resolved?
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Process the evidence
▪ Time line
▪RCA
▪Using state of the art software tool▪ Causelink® by Sologic
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Define recommendations using the OPS databaseWork Stream
(7)
CCPS Element
(20)
Key Principle (78)
Essential Feature (322)
Intervention
(646)
Recommendation
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Define the technical scope of the incidents element by specifying
the risk and consequence thresholds that trigger different levels of
investigations.
Define an appropriate scope for the
incident investigation element.
Maintain a dependable incident reporting
and investigation practice
Incident Investigation
Incident Response
931 pages
Specify what to investigate or not
And
Do this at corporate level!
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Questions or Remarks?
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Thank you and Stay Safe
DEKRA 2021 – Page 19
DEKRA Process Safety
Meander 1051
6825 MJ Arnhem
The Netherlands
Tel: +31 88 968 38 47
www.dekra.nl