Floating LNG Installations, First Edition

Published Date

March 2021

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Floating LNG Installations, First Edition

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This document provides guidance relating to the development and operation of floating LNG installations, which for the purposes of this document encompass floating storage units (FSUs), floating storage and regasification units (FSRUs) and LNG floating production, storage and offloading (LNG FPSO) units.

The purpose of this document is to provide guidance that covers all stages in a floating LNG installation project, from accurate assessment of the site through to safe operational status.

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This document covers two critical areas when considering floating LNG installations:

1. Technical assessment

2. Operations

The technical assessment section provides guidance on the considerations for a floating LNG installation project. This includes pre-front-end engineering design and front-end engineering design (pre-FEED/FEED) data collection and design criteria, physical location and site assessment, the applicable floating LNG installations to consider and project overview from commissioning to end of life.

The operations section reinforces best practices for the safe operation of floating LNG installations and their associated infrastructure. Recommendations are based on mitigating identified risks and hazards.

1 Introduction and Scope

2 Technical Assessment

2.1 Floating LNG Installation Considerations

2.2 Floating LNG Installation Concepts

2.3 Physical Site Assessment Criteria

2.4 Project and Statutory Considerations

2.5 Technology Considerations

2.6 Safety Study Considerations

2.7 Project Lifecycle Analysis

3 Operations

3.1 Installation Commissioning and Start Up

3.2 Operational Safety

3.3 Standard Operations

3.4 Emergency Response Planning


This document has been prepared to assist the developers and operators of floating LNG installation projects to review the assessment, design and operating procedures of their floating LNG installation and its associated systems.

This document is not intended as a design or operational code of practice. The goal is to serve as a general guide toward promoting better data quality and decision-making steps, while mitigating the challenges associated with existing and new floating LNG installations.

The Society of International Gas Tanker and Terminal Operators (SIGTTO) is an international body established for the exchange of technical information and experience, between members of the industry, to enhance the safety and operational reliability of gas tankers and terminals.


Title: Floating LNG Installations, First Edition
Number of Volumes: 1
Edition: First
Number of Pages: 98
Product Code: IT104496
ISBN: 978-1-85609-963-9
Published Date: March 2021
Weight: 0.90 kg
Author: SIGTTO

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