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PREN 14620-2 : DRAFT 2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED STEEL TANKS FOR THE STORAGE OF REFRIGERATED, LIQUEFIED GASES WITH OPERATING TEMPERATURES BETWEEN -5 DEGREE C AND -165 DEGREE C - PART 2: METALLIC COMPONENTS
Superseded date

09-01-2006

Published date

01-12-2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
  4.1 General
  4.2 Temperatures
  4.3 Primary and secondary liquid container
  4.4 Vapour container/outer tank
  4.5 Other components
5 Design
  5.1 Design theory
  5.2 Primary and secondary liquid container
  5.3 Vapour container (outer tank)
  5.4 Suspended roof
  5.5 Nozzles
  5.6 Primary and secondary containment, bottom connections
  5.7 Connections between containers
  5.8 Other details
6 Fabrication
  6.1 Handling of materials
  6.2 Plate preparation and tolerances
  6.3 Tolerances
  6.4 Roof
  6.5 Temporary attachments
7 Welding procedures
  7.1 General
  7.2 WPAR requirements
  7.3 Impact testing
  7.4 9% Nickel steel
  7.5 Welders and welding operators
  7.6 Production test plates
8 Welding
  8.1 Tack and temporary welds
  8.2 Atmospheric conditions
  8.3 Preheating
  8.4 Post-weld heat treatment
9 Inspection
  9.1 Qualification of NDE personnel
  9.2 Inspection procedures
  9.3 Type of inspections
  9.4 Visual inspection
  9.5 Dye penetrant examination
  9.6 Magnetic particle examination
  9.7 Vacuum box examination
  9.8 Ammonia tightness test
  9.9 Soap bubble examination
  9.10 Radiographic examination
  9.11 Ultrasonic examination
  9.12 Acceptance criteria
  9.13 Unacceptable defects in horizontal welds
  9.14 Acceptable thinning after grinding
Annex A (informative) Actions for membrane
Annex B (informative) Determination of the load and fatigue
                      curves for membrane
Bibliography

Describes general requirements for the materials, design, construction and installation of the metallic components of refrigerated liquefied gas storage tanks.

Committee
TC 265
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
NEN EN 14620-2 : 2006 Identical
NF EN 14620-2 : 2006 Identical
03/105149 DC : DRAFT MAR 2003 Identical

03/105150 DC : DRAFT MAR 2003 PREN 14620-3 - DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED STEEL TANKS FOR THE STORAGE OF REFRIGERATED, LIQUEFIED GASES WITH OPERATING TEMPERATURES BETWEEN -5 DEGREES C AND -165 DEGREES C - PART 3: CONCRETE COMPONENTS
PREN 14620-1 : DRAFT 2003 DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED STEEL TANKS FOR THE STORAGE OF REFRIGERATED, LIQUEFIED GASES WITH OPERATING TEMPERATURES BETWEEN -5 DEGREES C AND -165 DEGREES C - PART 1: GENERAL
03/105148 DC : DRAFT MAR 2003 PREN 14620-1 - DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED STEEL TANKS FOR THE STORAGE OF REFRIGERATED, LIQUEFIED GASES WITH OPERATING TEMPERATURES BETWEEN -5 DEGREES C AND -165 DEGREES C - PART 1: GENERAL

EN ISO 6520-1:2007 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
EN 444:1994 Non-destructive testing - General principles for radiographic examination of metallic materials by X- and gamma-rays
EN 462-2:1994 Non-destructive testing - Image quality of radiographs - Part 2: Image quality indicators (step/hole type) - Determination of image quality value
EN 1515-1:1999 Flanges and their joints - Bolting - Part 1: Selection of bolting
EN 288-1:1992/A1:1997 SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - GENERAL RULES FOR FUSION WELDING
ENV 1993-4-2 : DRAFT 1999 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 4-2: SILOS, TANKS AND PIPELINES - TANKS
EN 10028-3:2017 Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
EN 10029:2010 Hot-rolled steel plates 3 mm thick or above - Tolerances on dimensions and shape
EN 288-3:1992/A1:1997 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS - PART 3: WELDING PROCEDURE TESTS FOR THE ARC WELDING OF STEELS
EN 1593:1999/A1:2003 NON-DESTRUCTIVE TESTING - LEAK TESTING - BUBBLE EMISSION TECHNIQUES
ENV 1993-1-6 : DRAFT 1999 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-6: GENERAL RULES - SUPPLEMENTARY RULES FOR THE SHELL STRUCTURES
ENV 1991-1 : DRAFT 1994 EUROCODE 1: BASIS OF DESIGN AND ACTIONS ON STRUCTURES - BASIS OF DESIGN
EN 1714:1997/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS
ISO 965-2:1998 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality
EN 10025:1990/A1:1993 HOT ROLLED PRODUCTS OF NON-ALLOY STRUCTURAL STEELS - TECHNICAL DELIVERY CONDITIONS
EN 10088-2:2014 STAINLESS STEELS - PART 2: TECHNICAL DELIVERY CONDITIONS FOR SHEET/PLATE AND STRIP OF CORROSION RESISTING STEELS FOR GENERAL PURPOSES
EN 473:2008 Non-destructive testing - Qualification and certification of NDT personnel - General principles
ENV 1994-1-1 : 1992 EUROCODE 4 - DESIGN OF COMPOSITE STEEL AND CONCRETE STRUCTURES - GENERAL RULES FOR BUILDINGS
EN 1011-2:2001/A1:2003 WELDING - RECOMMENDATIONS FOR WELDING OF METALLIC MATERIALS - PART 2: ARC WELDING OF FERRITIC STEELS
EN 288-2:1992/A1:1997 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS - PART 2: WELDING PROCEDURE SPECIFICATION FOR ARC WELDING
EN 875:1995 Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination
EN 10204:2004 Metallic products - Types of inspection documents
EN 462-1:1994 Non-destructive testing - Image quality of radiographs - Part 1: Image quality indicators (wire type) - Determination of image quality value
ISO 261:1998 ISO general purpose metric screw threads General plan
EN 571-1:1997 Non destructive testing - Penetrant testing - Part 1: General principles
EN 1418:1997 Welding personnel - Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials
EN 10220:2002 Seamless and welded steel tubes - Dimensions and masses per unit length
EN 10160:1999 Ultrasonic testing of steel flat product of thickness equal or greater than 6 mm (reflection method)
EN 10028-4:2017 Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties
EN 970:1997 Non-destructive examination of fusion welds - Visual examination
EN 1290:1998/A2:2003 NON-DESTRUCTIVE EXAMINATION OF WELDS - MAGNETIC PARTICLE EXAMINATION OF WELDS
ENV 1993-1-1:1992/A2:1998 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - GENERAL RULES AND RULES FOR BUILDINGS
EN 25817 : 1992 ARC WELDED JOINTS IN STEEL - GUIDANCE ON QUALITY LEVELS FOR IMPERFECTIONS
EN 1435:1997/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - RADIOGRAPHIC TESTING OF WELDED JOINTS
PREN 14620-1 : DRAFT 2003 DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED STEEL TANKS FOR THE STORAGE OF REFRIGERATED, LIQUEFIED GASES WITH OPERATING TEMPERATURES BETWEEN -5 DEGREES C AND -165 DEGREES C - PART 1: GENERAL
EN 287-1:2011 Qualification test of welders - Fusion welding - Part 1: Steels

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