Guidelines for the Alleviation of Excessive Surge Pressures on ESD for Liquefied Gas Transfer Systems (eBook)

Published Date

July 2018

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Guidelines for the Alleviation of Excessive Surge Pressures on ESD for Liquefied Gas Transfer Systems (eBook)

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This publication on the alleviation of excessive surge pressure provides practical advice on surge hazards and risk management. It also outlines the principal design and operational recommendations for cargo transfer systems. It will benefit managers, designers, engineers and operators of liquefied gas carriers and terminal loading and unloading systems.


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These guidelines will assist the operating management of terminals and liquefied gas carriers in reviewing the design, engineering and operating procedures of cargo transfer systems. The information provided will enable users to:


• Recognise the potential hazards of surge pressure

• Understand the factors that affect or create surge pressures

• Avoid the generation of excessive surge pressures and momentum change

• Review the engineering and operating procedures of the cargo transfer system

• Understand aspects of surge pressure control on the other side of the ship/shore interface to enable mutual understanding of safe transfer procedures

• Understand the potential benefits of a linked ship/shore ESD system in mitigating surge pressures.





Glossary of Terms

Table of Figures

1. Introduction and Scope

2. Surge

2.1 What is Surge?

2.2 Liquefied Gas Cargo Transfer Systems

2.3 Secondary Surges

2.4 Line Pack Effect

3. Surge Hazards and Risk Management

3.1 Hazards and Risk Management

3.2 Risk Assessment

3.3 Bowtie

3.4 Bowtie Hazards

3.5 Causal Factors

3.6 Barriers

3.7 Surge Bowtie

4. Recommendations and Guidelines

4.1 Principal Design Recommendations

4.2 Principal Operational Recommendations


Surge Technical Background

Surge Pressures in a Typical Loading System

Surge Pressures in a Typical Unloading System


Design Approach to Alleviate Surge Pressures

Surge Pressure Relief

Title: Guidelines for the Alleviation of Excessive Surge Pressures on ESD for Liquefied Gas Transfer Systems (eBook)
Edition: 2nd Ed 2018
Number of Pages: 66
Product Code: WS1567EA
Published Date: July 2018
Binding Format: Hardback
Book Height: 297 mm
Book Width: 210 mm
Book Spine: 10 mm
Author: SIGTTO

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