PREN 14015-1 : DRAFT 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
11-01-2004
01-12-2013
Foreword
1 Scope
2 Normative references
2.1 General
2.2 Additional normative references in annex C
3 Definitions and symbols
3.1 Definitions
3.2 Symbols
4 Technical agreements
5 Requirements
5.1 Design pressure
5.2 Design metal temperature
5.3 Design density
5.4 Yield stress
6 Materials
6.1 Carbon and carbon manganese steels
6.2 Stainless steels
7 Design loads
7.1 Loads
7.2 Load values
7.3 Load combinations
8 Tank bottoms
8.1 General
8.2 Materials
8.3 Design
8.4 Fabrication
9 Shell design
9.1 Design and test stress
9.2 Internal loads
9.3 Wind and vacuum loads
9.4 Shell plate arrangement
9.5 Shell joints
10 Fixed roof design
10.1 Loads
10.2 Type of roof
10.3 Roof plating with supporting structure
10.4 Roof plating without supporting structure (membrane
roofs)
10.5 Compression area at the junction of the shell and roof
10.6 Venting requirements
10.7 Floating covers
11 Floating roof design
12 Tank anchorage
12.1 General
12.2 Anchorage attachment
12.3 Holding down bolt or strap
12.4 Resistance to uplift during test
13 Mountings
13.1 Shell nozzles O/D 80 mm and above
13.2 Shell nozzles less than O/D mm
13.3 Roof nozzles
13.4 Studded pad connections
13.5 Nozzle loads
13.6 Flush type clean-out doors and water draw-off sumps
13.7 Nozzle welding details
13.8 Flange drilling
13.9 Post-weld heat treatment of nozzles
13.10 Heating and/or cooling systems
13.11 Stairways and walkways
13.12 Handralling
13.13 Ladders
13.14 Earthing connections
13.15 Permanent attachments
13.16 Temporary attachments
14 Insulation
15 Shop fabrication of tank components
15.1 General
15.2 Reception and identification of materials
15.3 Handling and storage of materials
15.4 Material markings
15.5 Plate preparation and tolerances
15.6 Preparation of nozzle components
15.7 Plate forming and tolerances
15.8 Openings
15.9 Welding
15.10 Surface conditions
15.11 Marking for erection purposes
15.12 Packing, handling and transport to site
16 Site erection and tolerances
16.1 General
16.2 Foundations
16.3 Anchor points
16.4 Handling and storage
16.5 Rectification of parts damaged during transportation
and handling
16.6 Bottom plates
16.7 Shell to bottom, and shell
16.8 Fixed roofs
16.9 Nozzles
16.10 External attachments
16.11 Internal attachments
16.12 Temporary attachments
17 Approval of welding procedure and welders
17.1 General
17.2 Welding procedure approval
17.3 Welding Procedure Approval Record (WPAR)
17.4 Welders and welding operators approval
17.5 Production control test plates
18 Welding
18.1 General
18.2 Welding sequences
18.3 Welding of bottoms
18.4 Welding of shell to bottom
18.5 Welding of shell
18.6 Welding of roof
18.7 Temporary welds
18.8 Atmospheric conditions
18.9 Preheating
18.10 Post-weld heat treatment
19 Testing and inspection
19.1 General
19.2 Qualification of NDT personnel
19.3 Test procedures
19.4 Type of inspections and examinations
19.5 Dye penetrant test
19.6 Magnetic particle examination
19.7 Vacuum box test
19.8 Soap bubble examination
19.9 Radiographic examination
19.10 Ultrasonic examination
19.11 Acceptance criteria
19.12 Dimensional check
19.13 Hydrostatic and pneumatic tests
19.14 Empty checks
19.15 Accessories
19.16 Additional examinations and tests
20 Documentation and name-plate
20.1 Documentation
20.2 Name-plate
Annex A (normative) Technical agreements
Annex B (informative) Operational and safety considerations
for storage tanks and storage installations
Annex C (normative) Requirements for floating covers
Annex D (normative) Requirements for floating roofs
Annex E (normative) Requirements for floating roof seals
Annex F (normative) Selection of carbon and carbon manganese
steel plate to alternative specifications
Annex G (informative) Recommendations for selsmic provisions
for storage tanks
Annex H (informative) Recommendations for other types of tank
bottoms (double bottoms, elevated bottoms etc.)
Annex I (informative) Recommendations for tank foundations
Annex J (informative) Example calculations of stiffening
rings (wind girders)
Annex L (normative) Requirements for venting systems
Annex M (informative) Tank anchorages
Annex N (informative) Weld details for the connection of
mounting
Annex O (informative) Flush-type clean-out doors and
water draw-off sumps
Annex P (informative) Heating and/or cooling systems
Annex Q (informative) Recommendations for the design and
application of insulation
Annex R (normative) Surface finish
Bibliography
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