ДСТУ EN ISO 15589-2:2022 Нафтова, нафтохімічна та газова промисловість. Катодний захист трубопровідних транспортних систем. Частина 2. Морські трубопроводи (EN ISO 15589-2:2014, IDT; ISO 15589-2:2012, IDT)

ДСТУ EN ISO 15589-2:2022
(EN ISO 15589-2:2014, IDT; ISO 15589-2:2012, IDT)

Нафтова, нафтохімічна та газова промисловість. Катодний захист трубопровідних транспортних систем. Частина 2. Морські трубопроводи

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

Contents

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviated terms

4.1 Symbols

4.2 Abbreviated terms

5 General

5.1 Competence assurance

5.2 Compliance

6 Cathodic protection system requirements

6.1 General

6.2 Selection of CP systems

6.3 Isolating joints -

7 Design parameters

7.1 General

7.2 Protection potentials

7.3 Design life

7.4 Design current densities for bare steel

7.5 Coating breakdown factors

8 Galvanic anodes

8.1 Design of system.

8.2 Selection of anode material

8.3 Electrochemical properties

8.4 Anode shape and utilization factor

8.5 Mechanical and electrical considerations

9 Galvanic anode manufacturing

9.1 Pre-production test

9.2 Coating

9.3 Anode core materials

9.4 Aluminium anode materials

9.5 Zinc anode materials

10 Galvanic anode quality control

10.1 General

10.2 Steel anode cores

10.3 Chemical analysis of anode alloy

10.4 Anode mass

10.5 Anode dimensions and straightness

10.6 Anode core dimensions and position

10.7 Anode surface irregularities

10.8 Cracks

10.9 Internal defects, destructive testing

10.10 Electrochemical quality control testing

11 Galvanic anode installation

12 Impressed-current CP systems

12.1 Current sources and control

12.2 Impressed-current anode materials

12.3 System design

12.4 Manufacturing and installation considerations

12.5 Mechanical and electrical considerations

13 Documentation

13.1 Design, manufacturing and installation documentation

13.2 Commissioning procedures

13.3 Operating and maintenance manual

14 Operation, monitoring and maintenance of CP systems

14.1 General

14.2 Monitoring plans

14.3 Repair

Annex A (normative) Galvanic anode CP design procedures

Annex B (normative) Attenuation of protection

Annex C (normative] Performance testing of galvanic anode materials

Annex D (normative) CP monitoring and surveys

Annex E (normative) Laboratory testing of galvanic anodes for quality control

Annex F (informative) Interference

Annex G (informative) Pipeline design for CP

Bibliography