May 2012 | AIChE

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May 2012

Can Functional Testing Be Replaced by Inspection After Demands?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Safety instrumented systems are used to reduce the risk of major accidents in the process industry. To claim a certain risk reduction from such...

Chronic Pain Resulting from Your Relief Device Management Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
With the increasing use of Layer of Protection Analysis as a semi-quantitative method of assessing process risk, LOPA practitioners are asked to...

High Integrity Protective System Design Using a Risk Based Approach

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
With the update of the High Integrity Protective System (HIPS) methodology by API in 2007, Dow Chemical updated its internal work process to apply...

Utilizing Integrated Risk Assessment to Maximize Asset Integrity Management

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
The advent of various safety standards like ANSI /ISA 84, IEC 61511, API 14C, API 580 / 581, SAE JA1011, IEC 60330 and PSM guidelines has been a good...

Risk Assessment of a Propane Storage Sphere: Maintain or Decommission?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
Ten years ago, the authors were asked to assist a utility with a risk management decision. Specifically, the utility was considering whether they...

What to Do When Nothing Has Happened?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 15, 2011
Often during a Layer of Protection Analysis (LOPA) or a Quantitative Risk Analysis (QRA) study, historical information indicates no occurrences of a...

Quantitative Risk Assessment Case Study for Organic Acid Processes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Acetic acid is not a chemical covered by the OSHA PSM regulation, as its flash point is above the 100 F threshold for flammables; however, it is by...

Is It Really an Independent Protection Layer?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Layer of Protection Analysis (LOPA) is a simplified chemical process risk assessment tool that is used to determine if sufficient independent...

Hazards of Unplanned Power Outages: Implementing Appropriate Safeguards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Accident root cause investigations often may identify unplanned power outages as the cause of a catastrophic accident. Unplanned power outages can be...

Challenges in Developing and Implementing Safety Risk Tolerance Criteria

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Risk quantification can help in understanding and managing risk. Establishing quantitative risk criteria can be a key component to risk decision-...

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