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Safe Design

Safe design of processes must consider the full spectrum of design and risk management opportunities ranging from reducing potential consequences via Inherently Safer Design (ISD) to reducing risk through process and job design. Since ISD can be robust and reliable, it is a good place to start. Also, check out this article on Remote Isolation and Shut Off. 

Safety in the LNG Value Chain

Dec 12, 2012
Georges Melhem, Henry Ozog

In this webinar, presenters describe and examine potential LNG (liquefied natural gas) hazards and risk-reduction methods for the LNG value chain ― production and consumption.

More LOPA Misapplied: Common Errors and How to Avoid Them

Apr 4, 2012
Karen Study
Layer of Protection Analysis (LOPA) continues to be more and more widely utilized in the Petrochemical and other industries. LOPA is a “simplified” tool, which is true relative to tools such as Quantitative Risk Assessment and Fault Tree Analysis. However, simplified does not mean simple on an...

Implementation of a Highly Toxic Materials Management Program

Apr 2, 2012
Ravi Ramaswamy
Process Safety Management (PSM) is defined as the application of management systems and controls (programs, procedures, audits, evaluations) to a manufacturing or chemical process in a way that process hazards are identified, understood, and controlled so that process-related injuries and incidents...

Guidelines for Engineering Design for Process Safety, 2nd Edition

April, 2012
The book focuses on process safety issues in the design of chemical, petrochemical, and hydrocarbon processing facilities. It discusses how to select designs that can prevent or mitigate the release of flammable or toxic materials, which could lead to a fire, explosion, or environmental damage.

Exposing the Blurry Lines Between Personal Safety and Process Safety Education

Oct 17, 2011
Delmar R. Morrison
Chemical engineering curricula have long been focused on instilling the fundamentals of chemical engineering science in undergraduates and advancing the state of the art through postgraduate study. Unfortunately, a comprehensive focus on safety has never been in the core of the chemical engineering...

Implementation of PSM In Capital Projects

Mar 14, 2011
Charles A. Soczek
It is critical to embed Process Safety Management in the capital project system to help achieve a safe start-up. This is the foundation for assuring safe operations throughout the life of the process, especially in the construction of facilities for high process hazards. Today's PSM system,...

Making Existing Process Plants Inherently Safer

Mar 14, 2011
Victor H. Edwards
Making process plants inherently safer has obvious advantages and is easiest to do when designing a new plant. Modification of existing plants to make them inherently safer can often be much more difficult and costly, including any costs due to lost production. However, an inherently safer design...

Inherently Safer Design – Not Only about Reducing Consequences!

Mar 14, 2011
Dennis C. Hendershot
Process risk is a function of both the likelihood of occurance of an incident, and of the consequences of the incident. There is a common perception that inherently safer design focuses solely on reducing or eliminating the consequences. However, inherently safer design can also focus on the...

Inherent Safety In Front End Engineering

Mar 14, 2011
Ian Sutton
The best time to apply the principles of inherent safety is during the early stages of a design. In particular it is at the early stages that the ?Eliminate? option is best applied. For example, in the early stages of one design the process engineers had come up with a system of three knockout...

Using the HAZOP Study and LOPA to Generate Ideas for Inherently Safer Designs

Mar 14, 2011
Steven T. Maher
Fundamental changes in a chemical process are most cost-effective at early stages of a design, and specific Inherently Safer Design evaluations are frequently performed at these early stages to identify fundamental improvements that can signicantly decrease the magnitude of the consequences...

An Analysis of CSB Investigation Reports for Inherent Safety Learnings

Mar 14, 2011
Paul R. Amyotte
The Chemical Safety and Hazard Investigation Board (CSB) is an independent, nonregulatory federal organization in the United States dedicated to investigating serious accidents in the chemical industry. Accidents are investigated by a team of CSB employees and from the evidence collected a list of...

Inherently Safer Acids - A Case Study on the Application of Polyelectrolytes

Mar 14, 2011
Elliot M. Wolf
Strong acids, such as aqueous hydrochloric acid, are commonly used in the chemical process industry to purify streams or remove particulates from raw material, product, and waste streams. The benefits of HCl are its' low cost, large dissociation constant, and stability over time. However, the...

The UK Experience In Managing Risks Arising From Human Error

Mar 13, 2011
David Embrey
Following the Piper Alpha incident in the North Sea, both offshore and onshore Oil and Gas operators in the UK were required under the COMAH (Control of Major Accident Hazards) regulations to submit a Safety Case setting out how the risks in their installations were to be managed. After many years...

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