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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.

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...

Modeling Small Releases from Tanks

Mar 22, 2010
Fredrick H. Knack
The methodologies in the chapter on “Dispersion Modeling” in the CCPS book Guidelines for Consequence Analysis of Chemical Releases, provide means for modeling outdoors releases at relatively long distances from a large source. At times it is necessary to model releases at relatively short...

Combustible Dust: A Practical Approach to Identifying and Mitigating Hazards

Mar 22, 2010
Richard C. Griffin
Combustible dust hazards are prevalent in many facilities throughout industry, including the chemical process industries. Lack of awareness and control of these hazards has led to numerous catastrophic accidents. Chevron Phillips Chemical Company LP has developed a practical approach to identifying...

Instrumented Protective Systems for Distillation Operations

Mar 21, 2010
Jennifer Mize
Distillation is one of the most common unit operations in the chemical processing industry. Using relative volatility as a means of separating chemicals involves adding large amounts of energy to the system at the base of the column, typically through the use of a reboiler, and then removing that...

Chronic Pain Resulting from Your Relief Device Management Systems

Mar 21, 2010
David A. Moore
With the increasing use of Layer of Protection Analysis as a semi-quantitative method of assessing process risk, LOPA practitioners are asked to assign credit to numerous safeguards including relief devices. Relief devices are only as strong as the initial design of the component and the systems...

Assessing the Burning Rate of Solid Oxidizers

Mar 21, 2010
Elizabeth C. Buc
A method for assigning solid oxidizers and products containing oxidizers to an NFPA Class was developed. The method consists of two reaction-to-fire tests: a bench-scale screening test with thirty gram piles and an intermediate-scale fire exposure test with twenty four pounds of material in...

LOPA and Human Reliability – Human Errors and Human IPLs

Mar 21, 2010
Bill Bridges
Layer of Protection Analysis (LOPA) is a simplified risk assessment method that provides an order of magnitude estimate of the risk of a potential accident scenario. Humans can be the cause on an accident scenario (the Initiating Event [IE]) or human can serve as an independent protection layer (...

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