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Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System

Incomplete process hazard analysis (PHA) and poor knowledge management have been two major reasons that have caused numerous lamentable disasters in the chemical process industry. To improve the safety integrity of a process system, all risk should be reduced to a tolerable limit. One way of doin...

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Main Author: Mahamad Anuar, Mustafa Kamal Helmi
Format: Final Year Project
Language:English
Published: UNIVERSITI TEKNOLOGI PETRONAS 2012
Subjects:
TP Chemical technology
Online Access:http://utpedia.utp.edu.my/6137/1/Dissertation%20Mustafa%202012%20%2812096%29.pdf
http://utpedia.utp.edu.my/6137/
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spelling my-utp-utpedia.61372017-01-25T09:40:05Z http://utpedia.utp.edu.my/6137/ Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System Mahamad Anuar, Mustafa Kamal Helmi TP Chemical technology Incomplete process hazard analysis (PHA) and poor knowledge management have been two major reasons that have caused numerous lamentable disasters in the chemical process industry. To improve the safety integrity of a process system, all risk should be reduced to a tolerable limit. One way of doing it is by adding layers of protection which include inherent safer design, basic process control system (BPCS), alarms, SIS, physical protection, and emergency response procedure. These layers however, are cost to the process industry in term of implementing it as well as maintaining the quality of the layers. Therefore, understanding the required safety integrity level (SIL) of a process is essential in order to meet the tolerable risk target as well as to optimise the cost of a safety system. Meanwhile, layer of protection analysis (LOPA) is a simplified approach to verify SIL of a process system. Nevertheless, the method is relatively new and various modifications have take place by different entities. Therefore, there is a need to maintain the consistency of the LOPA result by adhering to a standard procedure and practise as well as clear direction provided by Centre of Chemical Process Safety (CCPS). This can be done easier by developing a framework for LOPA analyst to follows as well as tailored to the company background and history. UNIVERSITI TEKNOLOGI PETRONAS 2012-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/6137/1/Dissertation%20Mustafa%202012%20%2812096%29.pdf Mahamad Anuar, Mustafa Kamal Helmi (2012) Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System. UNIVERSITI TEKNOLOGI PETRONAS, UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Mahamad Anuar, Mustafa Kamal Helmi
Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
description Incomplete process hazard analysis (PHA) and poor knowledge management have been two major reasons that have caused numerous lamentable disasters in the chemical process industry. To improve the safety integrity of a process system, all risk should be reduced to a tolerable limit. One way of doing it is by adding layers of protection which include inherent safer design, basic process control system (BPCS), alarms, SIS, physical protection, and emergency response procedure. These layers however, are cost to the process industry in term of implementing it as well as maintaining the quality of the layers. Therefore, understanding the required safety integrity level (SIL) of a process is essential in order to meet the tolerable risk target as well as to optimise the cost of a safety system. Meanwhile, layer of protection analysis (LOPA) is a simplified approach to verify SIL of a process system. Nevertheless, the method is relatively new and various modifications have take place by different entities. Therefore, there is a need to maintain the consistency of the LOPA result by adhering to a standard procedure and practise as well as clear direction provided by Centre of Chemical Process Safety (CCPS). This can be done easier by developing a framework for LOPA analyst to follows as well as tailored to the company background and history.
format Final Year Project
author Mahamad Anuar, Mustafa Kamal Helmi
author_facet Mahamad Anuar, Mustafa Kamal Helmi
author_sort Mahamad Anuar, Mustafa Kamal Helmi
title Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
title_short Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
title_full Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
title_fullStr Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
title_full_unstemmed Application of Layer of Protection Analysis (LOPA) in Verification of Safety Integrity Level of Instrumented System
title_sort application of layer of protection analysis (lopa) in verification of safety integrity level of instrumented system
publisher UNIVERSITI TEKNOLOGI PETRONAS
publishDate 2012
url http://utpedia.utp.edu.my/6137/1/Dissertation%20Mustafa%202012%20%2812096%29.pdf
http://utpedia.utp.edu.my/6137/
_version_ 1739831313888706560
score 13.211869

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