Safety Instrumentation Systems

Safety instrumentation systems can help companies achieve risk reduction and incident prevention. A safety instrumented system (SIS) takes automated action to keep a plant in a safe state, or to put it into a safe state, when abnormal conditions are present. The SIS may implement a single function or multiple functions to protect against various process hazards in your plant.

Guidelines for Safe and Reliable Instrumented Protective Systems

April, 2007
This book explains the decision-making processes for the management of instrumented protective systems (IPS) throughout a project's life cycle. It uses the new IEC 61511 standard as a basis for the work processes used to achieve safe and reliable process operation. By walking the reader through a...

Guidelines for Mechanical Integrity Systems

July, 2006
In recent years, process safety management system compliance audits have revealed that organizations often have significant opportunities for improving their Mechanical Integrity programs. As part of the Center for Chemical Process Safety's Guidelines series, Guidelines for Mechanical Integrity...

Guidelines for Safe Automation of Chemical Processes

October, 1993
Increased automation reduces the potential for operator error, but introduces the possibility of new types of errors in design and maintenance. This book provides designers and operators of chemical process facilities with a general philosophy and approach to safe automation, including independent...

Mechanical Integrity - State of the Art

Global Congress on Process Safety
Apr 28, 2009
This session presents papers on the latest mechanical integrity concepts, practices and programs. All aspects of mechanical integrity are covered,...

Prediction of Corrosion in Pipes

Global Congress on Process Safety
Apr 2, 2012
ABSTRACT AIChE Spring 2012 Meeting Prediction of Corrosion in Pipes Sally Nicola, Victor Carreto, Ray A. Mentzer, M. Sam Mannan Mary Kay O'Connor...

Reliability for Safety Instrumented Systems

J. Patrick Williams
This article offers a detailed reliability-based methodology for determining the safety integrity level of instrumented systems by providing overpressure protection where arrangements of multiple pressure-relief valves are impractical to implement.

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...

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...

Case Histories and Lessons Learned

Global Congress on Process Safety
Apr 29, 2009
Reviews of process safety incidents and near misses provide valuable learning opportunities. Papers dealing with incidents, near misses, and the...
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