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