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BS EN 1474-1:2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Installation and equipment for liquefied natural gas. Design and testing of marine transfer systems Design and testing of transfer arms

Available format(s)

Hardcopy , PDF

Superseded date

31-03-2016

Language(s)

English

Published date

30-04-2009

Foreword
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Design of the arms
   4.1 Definition of the length and the configuration of
        the arms, arms description
        4.1.1 General
        4.1.2 Balancing
        4.1.3 Arms dimensions and clearances
   4.2 Design basis
        4.2.1 Product line diameter and product data
        4.2.2 Material and grades
   4.3 Swivel joints
        4.3.1 General
        4.3.2 Product sealing arrangement
        4.3.3 Bearing system
        4.3.4 External sealing arrangement
        4.3.5 Design
   4.4 Structural bearings
        4.4.1 Cyclic movements
        4.4.2 Installation of structural bearings
        4.4.3 Protection of structural bearings
        4.4.4 Grease sampling point
   4.5 Accessories
        4.5.1 Adjustable support (jack)
        4.5.2 Nitrogen injection line
        4.5.3 Storage locking device
        4.5.4 Ladders and platforms
        4.5.5 Liquid nitrogen line
        4.5.6 Thermal insulation
   4.6 Pipework and fitting
   4.7 Welding
        4.7.1 Qualification
        4.7.2 Filler metals
   4.8 Corrosion protection, fire proofing and
        embrittlement protection
        4.8.1 Corrosion protection
        4.8.2 Embrittlement protection
   4.9 Maintenance
5 Safety systems
   5.1 General
   5.2 Two stage alarm and shut down system
        5.2.1 First stage
        5.2.2 Second stage
   5.3 Monitoring and alarm systems
        5.3.1 Arm positioning alarms system
        5.3.2 Arm constant position monitoring system
              (CPMS)
        5.3.3 Pressure and hydraulic level alarm
   5.4 Definition of alarm envelopes
   5.5 Safety devices
        5.5.1 General
        5.5.2 Safety devices on emergency release system
              (ERS)
        5.5.3 Fire safety requirements
        5.5.4 Electrical safety requirements
        5.5.5 Failure of electrical power supply
        5.5.6 Stray current protectors
        5.5.7 Bonding
6 Connection with the ship
   6.1 General
   6.2 QCDC body
   6.3 QCDC system
7 Hydraulic and electric control systems
   7.1 General
   7.2 Arms operations
   7.3 Hydraulic components
   7.4 Electric components
   7.5 Testing of control systems
   7.6 Remote control
   7.7 Jetty external equipment
8 Inspection and tests
   8.1 General
   8.2 Prototype testing
        8.2.1 Swivels
        8.2.2 ERS
        8.2.3 QCDC
   8.3 Manufacturing
        8.3.1 Materials
        8.3.2 Non destructive testing
        8.3.3 Insulation flange (stray current protector)
   8.4 Factory acceptance tests
        8.4.1 Swivel
        8.4.2 Structural bearing
        8.4.3 ERS
        8.4.4 QCDC
        8.4.5 Insulation flange (stray current protector)
        8.4.6 Hydraulic circuit test
        8.4.7 Transfer arm assembly test
        8.4.8 Site acceptance tests
9 Quality assurance and control
   9.1 Quality system
   9.2 Quality plan
10 Required documentation
   10.1 Tender documentation
   10.2 Contract documentation
Annex A (informative) - Materials
Annex B (informative) - Constant Position Monitoring
        System (CPMS)
Annex C (informative) - Suggestions for arms alarms
        setting and ESD/ERS activation
Annex D (normative) - Tables D.1 to D.17 and Figures
        D.1 to D.4
Annex E (informative) - Figures E.1 to E.3
Bibliography

Describes the design, minimum safety requirements and inspection and testing procedures for liquefied natural gas (LNG) transfer arms intended for use on conventional onshore (LNG) terminals.

Committee
GSE/38
DevelopmentNote
Supersedes BS EN 1474 and 06/30150265 DC. (04/2009)
DocumentType
Standard
Pages
78
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 1474-1:2008 Identical

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