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Hazard Identification and Risk Analysis

A thorough Hazard Identification and Risk Analysis, or risk, system is the core element in the RBPS pillar of understanding hazards and risk. The chapter describes the meaning of risk for RBPS purposes, the attributes of a risk system, and the steps an organization might take to implement a robust program for identifying hazards and analyzing risk. Introduction to Hazard Identification and Risk Analysis

Information regarding Remote Isolation and Shut Off

For more in-depth information regarding understanding hazards and risk, refer to CCPS' Guidelines.

Incident Investigation – Addressing the Worst That Could Have Happened

Mar 13, 2011
Samuel A. Rodgers
Incident Investigation techniques typically start with a detailed description of the actual consequence and work backward toward the root causes. A lot of time is spent to qualify and quantify the actual consequence so as to appropriately apply resources to prevent recurrence. A frequent outcome of...

Explosion at T2 Laboratories

AIChE Webinar
Sep 22, 2010
Robert J. Hall, P.E.

This webinar discusses the CSB investigation and findings related to the explosion and chemical fire at T2 Laboratories, Inc. in December 2007.

Flame Flashbacks: Causes and Prevention

AIChE Webinar
Apr 7, 2010
Dan Banks, P.E.

This webinar addresses the principle of flammability of vapor/air mixtures, including flammability limits, ignition temperatures, the effect of inerts and how to determine the flammability of any particular mixture.

Burn Injury Caused by Mixing Incompatible Chemicals with Sodium Permanganate

Mar 23, 2010
Russell A. Ogle
This paper discusses the investigation of an accident caused by the mixing of incompatible chemicals, a strong oxidizing agent with a reducing agent. The exact mixture and sequence of mixing was unknown, but the materials included an aqueous solution of 40% sodium permanganate (NaMnO4) and possibly...

Evaluating Human Response to an Alarm for LOPA or Safety Studies

Mar 23, 2010
Robert J. Stack
Many LOPA scenarios have an independent protection layer (IPL) credit for operator intervention to prevent or mitigate the scenario. It is often difficult for the LOPA team or other safety teams to assess if the appropriate operator response credit is being taken. To allow a more consistent...

Hazards of Unplanned Power Outages: Implementing Appropriate Safeguards

Mar 23, 2010
Russell A. Ogle
Accident root cause investigations often may identify unplanned power outages as the cause of a catastrophic accident. Unplanned power outages can be an initiating event that leads to an emergency shutdown of a process unit. If the emergency shutdown is managed incorrectly, it can result in an...

Modification of Risk Using Barrier Methodology

Mar 23, 2010
Robin Pitblado
Risk assessments use frequency data mostly from generic sources, typically from the North Sea offshore environment or from process facility records mainly from Europe. As QRA's are being applied increasingly in North America and in the developing world, novel techniques are necessary to establish...

Gas Piping and Equipment Commissioning Risks "10 Key Things Everyone Should Know"

Mar 23, 2010
John R. Puskar
There have been a number of devastating incidents related to natural gas piping system and the start-up and commissioning of equipment. It's very rarely that an incident occurs when equipment is at the ready and in some normal operating routine. The vast majority of incidents are directly related...

Geographical Societal Risk: A Useful Method for Understanding Societal Risk

Mar 22, 2010
Hans Boot
Dutch legislation on safety and land use planning: Being a densely populated country, the Netherlands has extensive experience using safety regulations in land-use planning. Risk criteria have to be verified in urban development planning. Individual (Locational) Risk (IR) is easy to illustrate...

Lessons Learned from Real World Application of the Bow-Tie Method

Mar 22, 2010
Steve Lewis
The benefits of using bow-tie diagrams for risk management have been realized by organizations world-wide. They provide a readily understandable visualization of the relationships between the causes of business upsets, the escalation of such event to a range of possible outcomes, the controls...

Ensuring Consistency of Corporate Risk Criteria

Mar 22, 2010
J. Wayne Chastain
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk criteria. One topic addressed in the text is the development of criteria for use in single cause – consequence risk analysis methodologies such as Layer...

Challenges in Developing and Implementing Safety Risk Tolerance Criteria

Mar 22, 2010
Walter L. Frank
Risk quantification can help in understanding and managing risk. Establishing quantitative risk criteria can be a key component to risk decision-making and many companies use quantitative risk criteria, either formally or informally. The Center for Chemical Process Safety issued its guidance on...

Atmospheric Storage Tank Explosion Modeling

Mar 22, 2010
Jérôme Taveau
Many flammable products are usually stored in large vessels at atmospheric pressure. Ignition of an hydrocarbon-air mixture in such tanks can lead to an explosion and cause lethal casualties, as in 2006 at Partridge-Raleigh oilfield, USA, or damage the surrounding facilities and buildings. To...

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