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I.S. EN 12954:2001

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CATHODIC PROTECTION OF BURIED OR IMMERSED METALLIC STRUCTURES - GENERAL PRINCIPLES AND APPLICATION FOR PIPELINES
Available format(s)

Hardcopy , PDF

Superseded date

10-09-2019

Language(s)

English

Published date

01-01-2001

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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 Lighting 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

Describes the general principles for the implementation of a system of cathodic protection against corrosive attacks on buried or immersed metal structures with and without the influence of external electrical sources.

DocumentType
Standard
Pages
34
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
NEN EN 12954 : 2001 Identical
UNI EN 12954 : 2002 Identical
NF EN 12954 : 2001 Identical
NS EN 12954 : 1ED 2001 Identical
BS EN 12954:2001 Identical
EN 12954 : 2001 Identical
UNE-EN 12954:2002 Identical
NBN EN 12954 : 2001 Identical
DIN EN 12954:2001-04 Identical
SN EN 12954 : 2001 Identical
ONORM EN 12954 : 2001 Identical

I.S. 821:2006 GAS PRESSURE REGULATING STATIONS FOR DISTRIBUTION
I.S. 329:2015 GAS DISTRIBUTION MAINS (EDITION 3)
I.S. 822:2007 GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE PIPELINES
I.S. 328:2015/AC1:2015 GAS TRANSMISSION PIPELINES AND PIPELINE INSTALLATIONS (EDITION 4)
I.S. 3216:2010 CODE OF PRACTICE - BULK STORAGE OF LIQUEFIED PETROLEUM GAS (LPG) - (EDITION 2)
I.S. 328:2015 GAS TRANSMISSION PIPELINES AND PIPELINE INSTALLATIONS (EDITION 4)

IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
EN 12473:2014 General principles of cathodic protection in seawater
EN ISO 8044:2015 Corrosion of metals and alloys - Basic terms and definitions (ISO 8044:2015)
EN 60079-10:2003 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
EN 12696 : 2000 CATHODIC PROTECTION OF STEEL IN CONCRETE

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