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.

Quantitative Models for Assessing MOC Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The safety community, bolstered by the PSM regulations, has emphasized the importance of proper management of change to ensure safe, reliable and...

Improvement of BLEVE Overpressure Method Using Historical Data

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The current CCPS/TNO's BLEVE (Boiling Liquid Expanding Vapor Explosion) overpressure methodology is derived from that published by Baker in 1975...

Preparing for the Chemical NEP

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
On July 27, 2009, OSHA issued a National Emphasis Program for the chemical industry (“the Chemical NEP”). Pursuant to the Chemical NEP, OSHA will...

Imperial Sugar Refinery Combustible Dust Explosion Investigation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
On February 7, 2008, at about 7:15 p.m., a series of sugar dust explosions at the Imperial Sugar manufacturing facility in Port Wentworth, Georgia,...

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

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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...

Evaluating Human Response to an Alarm for LOPA or Safety Studies

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Many LOPA scenarios have an independent protection layer (IPL) credit for operator intervention to prevent or mitigate the scenario. It is often...

OSHA Chemical NEP Panel Discussion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
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
Tuesday, March 23, 2010 - 8:00pm
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...

Modification of Risk Using Barrier Methodology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Risk assessments use frequency data mostly from generic sources, typically from the North Sea offshore environment or from process facility records...

Condensation Induced Water Hammer: Principles and Consequences

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
An explosion occurred in the boiler room of a food processing plant as the steam generation system was coming online after a maintenance shutdown...

Risk-Based Mechanical Integrity - Beyond Fixed Equipment

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk...

Journey towards PSM Excellence

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
This paper describes the experience, learning and major challenges in implementing Process Safety Management at Reliance Industries Limited (RIL)...

Stability Analysis of Safety Valve

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
The stability for a safety valve was investigated by experiments and analysis. It was found that the dynamic instability was caused by the...

Modeling Small Releases from Tanks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
The methodologies in the chapter on “Dispersion Modeling” in the CCPS book Guidelines for Consequence Analysis of Chemical Releases, provide means...

Property Insurance Company Evaluation of Combustible Dust Hazards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
This paper will discuss some of the key factors that FM Global insurance engineering representatives use in evaluating combustible dust hazards at...

Process Safety in the Face of Significant Change

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Development of an effective process safety culture requires employees to look beyond intended performance, to their own nonconscious assumptions...

Consequence Modeling of Chlorine Release

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
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
Monday, March 22, 2010 - 8:00pm
Effective mechanical integrity programs are essential to assure safe operation of plant facilities. The current economic downturn is difficult and...

Quantitative Risk Assessment Case Study for Organic Acid Processes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
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...

LOPA and Human Reliability – Human Errors and Human IPLs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Layer of Protection Analysis (LOPA) is a simplified risk assessment method that provides an order of magnitude estimate of the risk of a potential...

Assessing the Burning Rate of Solid Oxidizers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
A method for assigning solid oxidizers and products containing oxidizers to an NFPA Class was developed. The method consists of two reaction-to-fire...

Instrumented Protective Systems for Distillation Operations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Distillation is one of the most common unit operations in the chemical processing industry. Using relative volatility as a means of separating...

LOPA – Going Down the Wrong Path

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Layer of Protection Analysis (LOPA) has quickly gained acceptance in the Chemical Processing Industries (CPI), and has risen to be one of the leading...

Training Management of Change Approvers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Many companies have made great strides in change management systems since OSHA's Process Safety Management Standard 29 CFR 1910.119 was first...

HAZOP, LOPA, SIL: Be Careful What You Ask for!

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
In recent years Process Safety Engineers have promoted the use of HAZOP to identify hazards and assess safeguards, followed by LOPA to identify if...

Managing Management of Change

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
The Center for Chemical Process Safety (CCPS) has designated MOC as one of the areas where metrics need to be developed. One of the issues that CCPS...

Chronic Pain Resulting from Your Relief Device Management Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
With the increasing use of Layer of Protection Analysis as a semi-quantitative method of assessing process risk, LOPA practitioners are asked to...

Is It Really an Independent Protection Layer?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Layer of Protection Analysis (LOPA) is a simplified chemical process risk assessment tool that is used to determine if sufficient independent...

Lifecycle Physical Hazards of Polystyrene Foam Board

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
Polymer Foam Boards have been widely used for individual home and general building, from roofs and/or walls down to foundation, for example. On the...

Consistent Consequence Severity Estimation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 21, 2010 - 8:00pm
LOPA, as a semi-quantitative analysis, often provides inconsistent results. This can be due to physical differences between units but often it is due...

Explosion Prevention and Mitigation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 30, 2009 - 4:00am
The analysis, prevention, protection and mitigation of fire, explosion, and reactivity hazards continue to be important to the loss prevention...

LNG Safety - II

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 10:00am
This session presents advancements in LNG safety in LNG baseload and receiving terminals, LNG ships and other related areas. LNG Vapor Dispersion...

Risk Criteria

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 6:15am
The new CCPS Guidelines for Establishing Risk Criteria will be published in mid-2009. This session includes papers regarding the development and...

Applications of Risk Analysis Techniques

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 4:00am
Hazard identification and risk assessment continue to be a critical part of the process safety efforts in process plants. Papers highlighting methods...

Audits, Inspection and Regulation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 4:00am
In the past few years, we have seen renewed emphasis on PSM through OSHA’s National Emphasis Programs and Homeland Security new Chemical Security’s...

Managing Organizational Change

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 4:00am
Management of Change has long been recognized as a fundamental cornerstone of a process safety program. Through the years, most companies have...

Food and Consumer Products Process Hazards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2009 - 9:30am
The Food and Consumer Products area has significant hazards and risks from dust and flammable liquid explosions as well as from toxic releases...

Hazard Evaluations and Layer of Protection Analyses

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2009 - 4:00am
Process hazard analyses (PHAs) and their extension into LOPAs and Safety Integrity Level (SIL) determinations continue to be central to loss...

Mechanical Integrity - State of the Art

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2009 - 4:00am
This session presents papers on the latest mechanical integrity concepts, practices and programs. All aspects of mechanical integrity are covered,...

Process Safety Metrics and Culture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2009 - 4:00am
This session features presentations focusing on using the new CCPS Process Safety Metrics and other metrics to drive continual improvement in a...

Tools to Identify Hazards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2009 - 11:30am
Personnel involved with day-to-day plant operations maintain an important role in the hazard identification and risk assessment (HIRA) process. These...

Safety Culture and Operational Discipline

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2009 - 9:30am
This session focuses on the cultural aspects of a successful Process Safety program. Papers that are presented cover new and innovative ideas on...

Fires, Explosions and Reactive Chemicals

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2009 - 6:00am
The analysis, prevention, protection and mitigation of fire, explosion, and reactivity hazards continue to be important to the loss prevention...

Auditing Process Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2009 - 6:00am
The 2nd Edition of the CCPS Guidelines for Auditing Process Safety Management Systems is currently being prepared. This session will include papers...

Global Congress On Process Safety Opening Keynote Address

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2009 - 4:00am
Introduction to the 5th Global Congress on Process Safety ·<span style="&'font:" 7pt="" 'times="" new="" roman';&'=""> Concluding...
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