BS EN 14620-2:2006
Current
The latest, up-to-date edition.
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0°C and -165°C Metallic components
Hardcopy , PDF
English
29-12-2006
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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 on membrane
Annex B (informative) Determination of the load and fatigue
curves for membrane
Bibliography
Specifies general requirements for the materials, design, construction and installation of the metallic components of refrigerated liquefied gas storage tanks.
| Committee |
PVE/15
|
| DevelopmentNote |
Supersedes BS 7777-2(1993) and 03/105149 DC (12/2006)
|
| DocumentType |
Standard
|
| Pages |
60
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 14620-2:2006 | Identical |
| UNE-EN 14620-2:2008 | Identical |
| NBN EN 14620-2 : 2007 | Identical |
| NEN EN 14620-2 : 2006 | Identical |
| UNI EN 14620-2 : 2006 | Identical |
| NS EN 14620-2 : 1ED 2007 | Identical |
| I.S. EN 14620-2:2006 | Identical |
| NF EN 14620-2 : 2006 | Identical |
| DIN EN 14620-2:2006-12 | Identical |
| SN EN 14620-2 : 2006 | Identical |
| 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 ISO 5817:2014 | Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2014) |
| 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 |
| ISO 6520-1:2007 | Welding and allied processes Classification of geometric imperfections in metallic materials Part 1: 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 |
| ENV 1993-1-6 : DRAFT 1999 | EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-6: GENERAL RULES - SUPPLEMENTARY RULES FOR THE SHELL STRUCTURES |
| EN 1759-1:2004 | Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24 |
| API 620 : 2013 | DESIGN AND CONSTRUCTION OF LARGE, WELDED, LOW-PRESSURE STORAGE TANKS |
| NFA 09 106 : 1979 | TESTING FOR LEAK TIGHTNESS BY MEANS OF AMMONIA - LOCATING OF LEAKS BY OVERALL PRESSURIZATION |
| 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 10216-2:2013 | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties |
| EN 14015:2004 | Specification for the design and manufacture of site built, vertical, cylindrical, flat-bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperature and above |
| 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 |
| EN 14620-5:2006 | Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 5: Testing, drying, purging and cool-down |
| EN 10045-1 : 1990 | METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD |
| ISO 5817:2014 | Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections |
| EN 1515-2:2001 | Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated |
| ISO 15614-1:2017 | Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys |
| ISO 15609-1:2004 | Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: 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 584-1:2006 | Non-destructive testing - Industrial radiographic film - Part 1: Classification of film systems for industrial radiography |
| EN 12062:1997/A2:2003 | NON-DESTRUCTIVE EXAMINATION OF WELDS - GENERAL RULES FOR METALLIC MATERIALS |
| EN ISO 15609-1:2004 | Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1:2004) |
| EN 462-1:1994 | Non-destructive testing - Image quality of radiographs - Part 1: Image quality indicators (wire type) - Determination of image quality value |
| EN 1712:1997/A2:2004 | NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS - ACCEPTANCE LEVELS |
| EN 14620-4:2006 | Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 4: Insulation components |
| ISO 261:1998 | ISO general purpose metric screw threads — General plan |
| EN 584-2:1996 | Non destructive testing - Industrial radiographic film - Part 2: Control of film processing by means of reference values |
| EN 10216-1:2013 | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties |
| ISO 15607:2003 | Specification and qualification of welding procedures for metallic materials General rules |
| 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 14620-3:2006 | Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 3: Concrete components |
| 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 |
| EN 14620-1:2006 | Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 1: General |
| EN ISO 15607:2003 | Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003) |
| EN 10216-3:2013 | Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes |
| EN 10088-1:2014 | Stainless steels - Part 1: List of stainless steels |
| EN 287-1:2011 | Qualification test of welders - Fusion welding - Part 1: Steels |
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