EN 13174:2001

Foreword
Introduction
1 Scope
  1.1 Structures
  1.2 Materials
  1.3 Environment
  1.4 Safety and environment protection
2 Normative references
3 Terms and definitions
4 Design basis
  4.1 Objectives
  4.2 Cathodic protection criteria
  4.3 Design parameters
  4.4 Electrical current demand
  4.5 Cathodic protection systems
  4.6 Electrical continuity
  4.7 Interactions
5 Impressed current system design
  5.1 Objectives
  5.2 Design considerations
  5.3 Equipment considerations
6 Galvanic anode system design
  6.1 Objectives
  6.2 Design considerations
  6.3 Factors determining the anode current output and
      operating life
  6.4 Location of anodes
7 Cathodic protection system monitoring
  7.1 Objectives
  7.2 Potential measurements
  7.3 Measurement of the impressed current anode electrical
      current output
  7.4 Impressed current power source control
8 Documentation
  8.1 Objectives
  8.2 Impressed current system
  8.3 Galvanic anode systems
Annex A (informative) Guidance for current requirements
        for cathodic protection of harbour installations
  A.1 Design current densities for the protection of bare
      steel in a sea water
  A.2 Design current densities for the protection of bare
      steel in a saline mud
  A.3 Values of coating breakdown factors of usual paint
      systems for the design of cathodic protection systems
Annex B (informative) Anode resistance and life determination
  B.1 Anodic resistance (R[a]) formulae
  B.2 Anode life duration
Annex C (informative) Typical electrochemical characteristics
        of impressed current anodes

This EN defines the means to be used to cathodically protect the immersed and buried metallic external surfaces of steel harbour installations and appurtenances in sea water and saline mud.