ДСТУ EN 12954:2016 Защита катодная подземных и подводных металлических сооружений. Основные принципы и применение для трубопроводов (EN 12954:2001, IDT)

ДСТУ EN 12954:2016
(EN 12954:2001, IDT)

Захист катодний підземних та підводних металевих
споруд. Основні принципи та використання для
трубопроводів

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

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Symbols, terms and definitions

3.1 Symbols

3.2 Terms and definitions

4 Principle and criteria of cathodic protection

4.1 Principle of cathodic protection

4.2 Criteria of cathodic protection

4.3 Influence of alternating current on cathodically protected structures

5 Prerequisites for application of cathodic protection

5.1 General

5.2 Electrical continuity

5.3 Electrical isolation

5.4 External coating

6 Base data for design

6.1 General

6.2 Structure details

6.3 Coating

6.4 Environment

6.5 Pipelines specific data

7 Design and prerequisites

7.1 General

7.2 Electrical isolation

7.3 Test stations

7.4 Bonding

7.5 Buried sleeve pipes for pipelines

7.6 Wall entries, restraints, saddles and anchors for pipelines

7.7 Bridges

7.8 Electrically operated equipment

7.9 Lightning protection

7.10 Equipment for the reduction of a.c. interference

7.11 Cathodic protection systems

7.12 Drainage stations

7.13 Design and design documents

8 Installation of cathodic protection systems

8.1 General

8.2 Cables

8.3 Galvanic anodes

8.4 Impressed current systems

8.5 Test stations

8.6 Drainage stations

8.7 As built documentation

9 Commissioning

9.1 Preliminary checking

9.2 Start up

9.3 Verification of the cathodic protection effectiveness

9.4 Installation and commissioning documents

10 Inspection and maintenance

10.1 General

10.2 Factors influencing inspection frequency

10.3 Inspection

10.4 Maintenance

10.5 Results of inspection

Annex A (informative) a.c. interference

Bibliography