1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 General
6 Design parameters
6.1 General
6.2 Protection potentials
6.3 Design life
6.4 Design current densities
6.5 Coating breakdown factors
7 Galvanic anodes
7.1 Design of system
7.2 Electrochemical properties
7.3 Anode shape and utilization factor
8 Anode manufacturing
8.1 Pre-production test
8.2 Coating
8.3 Insert-steel materials
8.4 Aluminium anode materials
8.5 Zinc anode materials
9 Anode inspection, testing and tolerances
9.1 Steel inserts
9.2 Chemical analysis of anode alloy
9.3 Anode weight
9.4 Anode dimensions and straightness
9.5 Insert dimensions and position
9.6 Anode surface irregularities
9.7 Cracks
9.8 Internal defects, destructive testing
9.9 Electrochemical quality control testing
10 Anode installation
11 Impressed current CP systems
11.1 General
11.2 Current sources and control
11.3 Impressed current anode materials
11.4 System design
11.5 Manufacturing and installation considerations
12 Documentation
12.1 Design and construction documentation
12.2 Material schedules
12.3 Installation procedures
12.4 Commissioning procedures
12.5 Operating and maintenance manual
13 Operation and maintenance of CP systems
13.1 General
13.2 Monitoring plans
13.3 Visual inspection
13.4 Potential measurements
13.5 Anode current measurements
13.6 Surveys
13.7 Inspection of impressed current system components
13.8 Safety
13.9 Repair
13.10 Control of interference currents
13.11 Documentation
Annexe A (normative) Cathodic protection design
A.1 Sub-division of pipeline
A.2 Surface area calculations
A.3 Current demand calculations
A.4 Selection of anode type and dimensions
A.5 Anode mass calculations
A.6 Calculation of number of anodes
A.7 Anode resistance equations
A.8 Detailed anode design
A.9 Distribution of anodes
Annexe B (normative) Performance testing of galvanic anode
materials
B.1 General
B.2 Sampling and preparation of test specimens
B.3 Testing equipment and experimental procedure
B.4 Documentation
Annexe C (informative) Laboratory testing of galvanic
anodes for quality control
C.1 General
C.2 Sampling and preparation of test specimens
C.3 Equipment and experimental procedure
C.4 Acceptance criteria and re-testing
C.5 Documentation