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Published Date

July 2011


Also available in other formats:

Manifold Recommendations for Liquefied Gas Carriers (eBook)

$160.94
(Excludes any applicable taxes)

These SIGTTO recommendations have been developed in conjunction with OCIMF to bring together, in one document, the manifold arrangements and strainer guidelines for LPG and LNG carriers, with the aim of promoting improved safety and efficiency in operations and to assist in planning the position of loading and discharging facilities in new jetties.

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Owing to the nature of their construction, certain types and sizes of liquefied gas carriers may be unable to comply with all the requirements of these recommendations. Where possible, the differences between ship design and these recommendations should be minimised.

Notwithstanding the progress that has been made since 1979 to improve conformity in manifold arrangements, it is recognised that many existing ships and terminals are unable to follow these recommendations. Owners and operators of such ships and terminals should appreciate that this may lead to operational restrictions and they should be prepared to discuss these differences before a ship is programmed to any berth for the first time. It is not suggested nor implied that ships constructed before publication of this document should be altered.

Although Ship to Ship (STS) transfer operations are carried out on a regular basis with LPG, LNG STS is a relatively recent development. Considerations are made within this document to take into account the industry movement towards LNG STS and also to review past experience with LPG STS.


This book supersedes:
Recommendations for Manifolds of Refrigerated Liquefied Gas Carriers for Cargoes 0°C to minus 104°C 2nd Ed
Recommendations for Manifolds for Refrigerated Liquefied Gas Carriers (LNG) 2nd Ed.
Recommendations for the installation of cargo strainers on LNG carriers 2nd Ed.

Definitions

1. Purpose, Scope and Introduction

1.1. Purpose and Scope

1.2. Introduction

2. Categories of Gas Carriers

2.1 Categories of LPG Carriers

2.2 Categories of LNG Carriers

3. Cargo Manifold Position

3.1 Conventional Construction

3.2 Spherical Construction LNG and LPG Carriers

3.3 Manifold Arrangement

3.4 Presentation Flange Arrangement

3.5 Offshore Marine Loading Systems

4. General Manifold Requirements

4.1 Manifold Material

4.2 Presentation Flanges

4.3 Manifold Strength

4.4 Marking of Manifolds

4.5 Distance Pieces

4.6 Reducers and Spool Pieces

4.7 Manifold Support

5. Strainers on Gas Carriers

5.1 General

5.2 Strainer Type and Disposition

5.3 Flow Characteristics

5.4 Fittings

5.5 Wire Mesh Size

5.6 Strainer Inspection and Maintenance

6. Protection From Cargo Spills

6.1 Manifold Deck Protection
6.2 Coaming Requirements
6.3 Drainage
6.4 Water Curtains on LNG Vessels

6.5 Drip Trays

6.6 Fittings

7. Service Lines

7.1 Drinking Water Connection

8. Bunker Connections

8.1 Number and Arrangement

8.2 Size and Spacing of Presentation Flanges

8.3 Strength

8.4 Reducers and Spool Pieces

8.5 Bunker Fuel Spill Containment
8.6 Diesel/Gas Oil Fuel Manifolds

8.7 Blank Flanges

9. Manifold Area Lighting

10. Lifting Equipment and Cargo Hose Support

11. LPG Vessels Involved in Floating Hose Transfers

12. Safety Requirements

12.1 Electrical Equipment

12.2 Fire-fighting

12.3 Emergency Exits from the Manifold Area

12.4 Personnel Access during Cargo Transfer
12.5 Tripping Hazards

12.6 Removal of Manifold Blank Covers

 

13. Reference Documents and Bibliography

OCIMF is widely recognised as the voice of the oil industry providing expertise in the safe and environmentally responsible transport and handling of hydrocarbons in ships and terminals and setting standards for continuous improvement. Membership is extensive and includes every oil major in the world along with the majority of National Oil Companies.

 

The purpose of SIGTTO is to promote shipping and terminal operations for liquefied gases which are safe, environmentally responsible and reliable. To fulfil this mission it will:

  • Proactively develop best operating practices and guideline

  • Sustain a learning environment by sharing lessons learned

  • Promote training and development of all within the industry

  • Foster mutually beneficial relationships with regulatory authorities and other stakeholders

  • Conduct its business with professionalism and integrity

Title: Manifold Recommendations for Liquefied Gas Carriers (eBook)
Number of Pages: 72
Product Code: WS1309EA
ISBN: ISBN 13: 978-1-85609-495-5 (9781856094955), ISBN 10: 1-85609-495-2 (1856094952)
Published Date: July 2011
Binding Format: Hardback
Book Height: 297 mm
Book Width: 210 mm

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