ДСТУ EN 14015:2022 Технічні умови на проєктування та виготовлення споруджуваних вертикальних, циліндричних, плоскодонних, наземних, зварних, сталевих резервуарів для зберігання рідин за температури навколишнь...



ДСТУ EN 14015:2022
(EN 14015:2004, IDT)

Технічні умови на проєктування та виготовлення
споруджуваних вертикальних, циліндричних,
плоскодонних, наземних, зварних, сталевих
резервуарів для зберігання рідин за температури
навколишнього середовища

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions

3.2 Symbols

3.3 Abbreviations

4 Information and requirements to be documented

4.1 Information to be specified by the purchaser

4.2 Information to be agreed between the purchaser and the tank manufacturer

4.3 Information to be supplied by the tank manufacturer

4.4 Information to be supplied by the steel manufacturer

4.5 Information to be agreed between the steel manufacturer and the tank manufacturer

4.6 Information to be agreed between the purchaser and the cover supplier

4.7 Information to be agreed between the tank manufacturer and the cover supplier

4.8 Information to be supplied by the cover supplier

5 Requirements

5.1 Design pressure

5.2 Design metal temperature

5.2.1 Maximum design metal temperature

5.2.2 Minimum design metal temperature

5.3 Design density

5.4 Yield strength

6 Materials

6.1 Carbon and carbon manganese steels

6.1.1 Plate materials

6.1.2 Structural steel sections

6.1.3 Forgings

6.1.4 Pipes

6.1.5 Welding consumables

6.1.6 Charpy V-notch impact energy requirements of carbon and carbon manganese steels

6.1.7 Mountings

6.1.8 Thickness tolerances

6.2 Stainless steels

6.2.1 General

6.2.2 Plate materials

6.2.3 Structural steel sections

6.2.4 Forgings

6.2.5 Pipes

6.2.6 Welding consumables

7 Design loads

7.1 Loads

7.2 Load values

7.2.1 Liquid induced loads

7.2.2 Internal pressure loads

7.2.3 Thermally induced loads

7.2.4 Dead loads

7.2.5 Insulation loads

7.2.6 Live load

7.2.7 Concentrated live load

7.2.8 Snow loads

7.2.9 Rainfall

7.2.10 Wind

7.2.11 Seismic loads

7.2.12 Loads resulting from connected piping and attachments

7.2.13 Foundation settlement loads

7.2.14 Emergency loads

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

9.3.1 Stiffening rings

9.3.2 Primary stiffening ring (wind girder) design

9.3.3 Secondary stiffening ring (wind girder) design

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

10.6.1 General

10.6.2 Scope of venting provided

10.6.3 Venting capacity

10.6.4 Accumulation of pressure and vacuum

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

12.3.1 Allowable tensile stress

12.3.2 Cross-sectional area

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 80 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

13.6.1 General

13.6.2 Flush type clean-out doors

13.6.3 Water draw-off sumps

13.6.4 Combined water draw-off and clean-out sump

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 Handrailing

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

15.8.1 Nozzles

15.8.2 Inspection windows

15.8.3 Nozzles for mixers

15.8.4 Clean-outdoors

15.8.5 Reinforcement plates

15.8.6 Insert plates

15.9 Welding

15.10 Surface condition

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

16.2.1 General

16.2.2 Peripheral tolerance

16.2.3 Foundation surface tolerance

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

16.7.1 Assembly tolerances of first shell course on flat bottom

16.7.2 Tolerance on shell geometry

16.7.3 Vertical tolerance

16.7.4 Tolerances on alignment of plates

16.7.5 Tolerances on shape of welded joints

16.7.6 Primary and secondary stiffening rings (wind girders)

16.8 Fixed roofs

16.8.1 General

16.8.2 Support framework

16.8.3 Roof plates

16.8.4 Roof plating and roof structure

16.8.5 Frangible roofs

16.9 Nozzles

16.10 External attachments

16.11 Internal attachments

16.12 Temporary attachments

17 Approval of welding procedures and welders

17.1 General

17.2 Welding procedure approval

17.2.1 General

17.2.2 Welding of test pieces

17.2.3 Examination and testing of test pieces

17.3 Welding Procedure Approval Record (WPAR)

17.3.1 Preparation

17.3.2 Range of approval

17.4 Welders and welding operators approval

17.5 Production control test plates

17.5.1 Horizontal welds

17.5.2 Vertical welds

18 Welding

18.1 General

18.2 Welding sequences

18.3 Welding of bottoms

18.3.1 Removal of coatings

18.3.2 Annular ring plates

18.3.3 Bottom plates

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

18.11 Repair welding

19 Testing and inspection

19.1 General

19.2 Qualification of NDT personnel

19.3 Test procedures

19.4 Type of inspections and examinations

19.4.1 Inspection of materials

19.4.2 Examinations of edges to be welded and joint preparations

19.4.3 Visual examination

19.4.4 Type and extent of examination and test of welds

19.4.5 Additional examinations if imperfections are found

19.5 Vacuum box test

19.6 Penetrant test

19.7 Magnetic particle examination

19.8 Soap bubble examination

19.8.1 Reinforcement plates

19.8.2 Fixed roof and roof to shell

19.8.3 Shell to bottom with double fillet weld

19.9 Radiographic examination

19.9.1 General procedure

19.9.2 Storage of films

19.10 Ultrasonic examination

19.11 Acceptance criteria

19.11.1 Imperfection acceptance criteria

19.11.2 Acceptable thinning after grinding

19.12  Dimensional check

19.13  Hydrostatic and pneumatic tests

19.13.1 General

19.13.2 Hydrostatic test liquid level

19.13.3 Pneumatic test pressure

19.13.4 Conditions of implementation

19.13.5 Examination during filling

19.13.6 Filling

19.13.7 Checking and testing of roof (over pressure)

19.13.8 Test for tank stability under negative pressure

19.14 Empty checks

19.15 Accessories

19.15.1 External accessories

19.15.2 Internal accessories

20 Documentation and name-plate

20.1 Documentation

20.2 Name-plate

Annex A (normative) Information and requirements to be documented

Annex В (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 rim seals for floating roofs

Annex F (normative) Selection of carbon and carbon manganese steel plate to alternative specifications to those in 6.1

Annex G (informative) Recommendations for seismic 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 К (normative) Design rules for tanks with frangible roof to shell joints

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