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.

What to Do When Nothing Has Happened?

Global Congress on Process Safety
Mar 15, 2011
Often during a Layer of Protection Analysis (LOPA) or a Quantitative Risk Analysis (QRA) study, historical information indicates no occurrences of a...

Ignition of Dust Layers by Mechanical Sparks

Global Congress on Process Safety
Mar 14, 2011
Dust explosions represent a considerable safety risk in process industry. Statistical records of dust explosions show that 32.7 % of these explosions...

LOPA – Validating Human IPLs and Ies

Global Congress on Process Safety
Mar 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...

Modification of Risk Using Barrier Methodology

Global Congress on Process Safety
Mar 23, 2010
Risk assessments use frequency data mostly from generic sources, typically from the North Sea offshore environment or from process facility records...

Modeling Small Releases from Tanks

Global Congress on Process Safety
Mar 22, 2010
The methodologies in the chapter on “Dispersion Modeling” in the CCPS book Guidelines for Consequence Analysis of Chemical Releases, provide means...

Atmospheric Storage Tank Explosion Modeling

Global Congress on Process Safety
Mar 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...

Ensuring Consistency of Corporate Risk Criteria

Global Congress on Process Safety
Mar 22, 2010
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk...

LOPA – Going Down the Wrong Path

Global Congress on Process Safety
Mar 21, 2010
Layer of Protection Analysis (LOPA) has quickly gained acceptance in the Chemical Processing Industries (CPI), and has risen to be one of the leading...

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

Global Congress on Process Safety
Mar 21, 2010
In recent years Process Safety Engineers have promoted the use of HAZOP to identify hazards and assess safeguards, followed by LOPA to identify if...

Is It Really an Independent Protection Layer?

Global Congress on Process Safety
Mar 21, 2010
Layer of Protection Analysis (LOPA) is a simplified chemical process risk assessment tool that is used to determine if sufficient independent...

Consistent Consequence Severity Estimation

Global Congress on Process Safety
Mar 21, 2010
LOPA, as a semi-quantitative analysis, often provides inconsistent results. This can be due to physical differences between units but often it is due...

Assessing the Burning Rate of Solid Oxidizers

Global Congress on Process Safety
Mar 21, 2010
A method for assigning solid oxidizers and products containing oxidizers to an NFPA Class was developed. The method consists of two reaction-to-fire...

Risk Criteria

Global Congress on Process Safety
Apr 29, 2009
The new CCPS Guidelines for Establishing Risk Criteria will be published in mid-2009. This session includes papers regarding the development and...

Managing Organizational Change

Global Congress on Process Safety
Apr 29, 2009
Management of Change has long been recognized as a fundamental cornerstone of a process safety program. Through the years, most companies have...
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