Elements of Process Safety

The four pillars and the twenty elements of risk based process safety can be designed and implemented at varying levels of rigor to optimize process safety management, performance, efficiency, and effectiveness.

LOPA – Validating Human IPLs and Ies

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Layer of Protection Analysis (LOPA) is a simplified risk assessment method that provides an order of magnitude estimate of the risk of a potential...

A Key Factor In Hazardous Processes: Safety Culture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The significance of Safety Culture is becoming increasingly recognized as a key factor to achieve the safe operation of hazardous processes. This...

Inherent Safety In Front End Engineering

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
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 ?...

A Work Process for Revalidating LOPAs and Other Risk Analyses

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The Chemical Process Industry (CPI) has long recognized the necessity of periodically revalidating Process Hazard Analyses (PHAs), such as Hazard and...

Management of Change (MOC) Basics for Plant Engineers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The essentials of Management of Change (MOC) for plant engineers will be presented. The meaning of MOC will be explained and its central role in safe...

Systematic Workforce Involvement In Process Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Workforce involvement is an essential element of effective process safety management. This paper will describe proven methods of workforce...

Specifying Reliability Performance to Meet PSM Expectations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Process Hazard Analysis (PHA) and Mechanical Integrity (MI) programs are two of the fourteen elements that the Process Safety Management (PSM)...

Quantitative Models for Assessing MOC Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
The safety community, bolstered by the PSM regulations, has emphasized the importance of proper management of change to ensure safe, reliable and...

PSM Auditing Dilemmas

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
In most PSM audits, the audit team will face one or more situations that represent a dilemma. These dilemmas usually require the individual auditor...

The UK Experience In Managing Risks Arising From Human Error

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
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...

Management of Change (MOC) Auditing System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Our company has discovered that regular auditing of the MOC process is essential to enforcing its proper use. We have developed an audit that can be...

Process Safety Performance Tool

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
The process safety management in a petrochemical company is a key factor for sustainability, since intends to prevent or minimize the consequences of...

Using LOPA for Sil Assignment: A Tale of Two Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Two plants operated by the same company have ?identical? ammonium nitrate (AN) solution pump installations. Yet the LOPA teams concluded that the...

Explosion at T2 Laboratories

Archived Webinar
Sep 22, 2010
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

Archived Webinar
Apr 7, 2010
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. It also covers ignition sources and the common methods of avoiding flashbacks,...

OSHA Chemical NEP Panel Discussion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
This presentation will provide additional time for the session speakers to discuss additional aspects of the OSHA Chemical National Emphasis Program...

Investigation of an Explosion in a Gasoline Purification Plant

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
On May 24, 2007 an explosion and subsequent fire destroyed a tank farm located at a gasoline purification plant in Sløvåg, Norway. In addition to the...

OSHA Refinery and Chemical NEP Findings

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Since 2007, OSHA has initiated two major National Emphasis Programs (NEPs) in process safety. The Petroleum Refinery Process Safety Management NEP (...

Modification of Risk Using Barrier Methodology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Risk assessments use frequency data mostly from generic sources, typically from the North Sea offshore environment or from process facility records...

Preparing for the Chemical NEP

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
On July 27, 2009, OSHA issued a National Emphasis Program for the chemical industry (“the Chemical NEP”). Pursuant to the Chemical NEP, OSHA will...

Complying with OSHA's RNEP, CNEP, and VPP RAGAGEP

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
The OSHA Refinery National Emphasis Program (NEP) and OSHA Voluntary Protection Program (VPP) PSM Supplement ask specific questions relative to many...

Objective Analysis of PSM Audit Data

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
In developing systems for Process Safety Management, compliance audits are integral with verification that practices and procedures are developed and...

A Framework for Human Error Analysis of Emergency Situations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Human factors play an important role in the escape, evacuation and rescue process. Human factors analysis is rooted in the concept that the frequency...

Elements of Human Factors Missing from Process Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Process safety is about controlling risk of failures and errors; controlling risk is primarily about reducing the risk of human error. All elements...

Challenges in Hosting an NEP Inspection

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
An NEP inspection can be very resource intensive; OSHA has received over well over 10,000 pages of documentation at one refinery during an NEP...

Consequence Modeling of Chlorine Release

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes the Consequence Modeling of Chlorine release from a Chlor Alkali plant as a part of Process Hazard Analysis. The objective was...

Strategies & Tactics for Mechanical Integrity Budget Battles

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Effective mechanical integrity programs are essential to assure safe operation of plant facilities. The current economic downturn is difficult and...

How to Evaluate Process Safety Culture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
At first glance it may seem that organizational culture is subjective and therefore difficult to measure. Indeed, even the definition of culture...

Risk-Based Mechanical Integrity - Beyond Fixed Equipment

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper presents approaches to provide a safer operating plant by extending mechanical integrity to all process equipment using a risk-based...

Atmospheric Storage Tank Explosion Modeling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Many flammable products are usually stored in large vessels at atmospheric pressure. Ignition of an hydrocarbon-air mixture in such tanks can lead to...

Process Safety Management in the Energy Sector

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes experience of application of the principles of process safety management within Centrica plc, an integrated energy company with...

Ensuring Consistency of Corporate Risk Criteria

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk...

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