ISO 15589-2:2012
Petroleum, petrochemical and natural gas industries — Cathodic protection of pipeline transportation systems — Part 2: Offshore pipelines
ISO 15589-2:2012 specifies requirements and gives recommendations for the pre-installation surveys, design, materials, equipment, fabrication, installation, commissioning, operation, inspection and maintenance of cathodic protection systems for offshore pipelines for the petroleum, petrochemical and natural gas industries as defined in ISO 13623. It is applicable to carbon steel, stainless steel and flexible pipelines in offshore service as well as to retrofits, modifications and repairs made to existing pipeline systems. ISO 15589-2:2012 is applicable to all types of seawater and seabed environments encountered in submerged conditions and on risers up to mean water level.
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CVP_Secretariat_Loca
BM62
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 General
5.1 Competence assurance
5.2 Compliance
6 Cathodic protection system requirements
6.1 General
6.2 Selection of CP systems
6.3 Isolating joints
7 Design parameters
7.1 General
7.2 Protection potentials
7.3 Design life
7.4 Design current densities for bare steel
7.5 Coating breakdown factors
8 Galvanic anodes
8.1 Design of system
8.2 Selection of anode material
8.3 Electrochemical properties
8.4 Anode shape and utilization factor
8.5 Mechanical and electrical considerations
9 Galvanic anode manufacturing
9.1 Pre-production test
9.2 Coating
9.3 Anode core materials
9.4 Aluminium anode materials
9.5 Zinc anode materials
10 Galvanic anode quality control
10.1 General
10.2 Steel anode cores
10.3 Chemical analysis of anode alloy
10.4 Anode mass
10.5 Anode dimensions and straightness
10.6 Anode core dimensions and position
10.7 Anode surface irregularities
10.8 Cracks
10.9 Internal defects, destructive testing
10.10 Electrochemical quality control testing
11 Galvanic anode installation
12 Impressed-current CP systems
12.1 Current sources and control
12.2 Impressed-current anode materials
12.3 System design
12.4 Manufacturing and installation considerations
12.5 Mechanical and electrical considerations
13 Documentation
13.1 Design, manufacturing and installation documentation
13.2 Commissioning procedures
13.3 Operating and maintenance manual
14 Operation, monitoring and maintenance of CP systems
14.1 General
14.2 Monitoring plans
14.3 Repair
Annex A (normative) Galvanic anode CP design procedures
Annex B (normative) Attenuation of protection
Annex C (normative) Performance testing of galvanic anode materials
Annex D (normative) CP monitoring and surveys
Annex E (normative) Laboratory testing of galvanic anodes for quality control
Annex F (informative) Interference
Annex G (informative) Pipeline design for CP
Bibliography
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CVP_Secretariat_Loca
BM62
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 General
5.1 Competence assurance
5.2 Compliance
6 Cathodic protection system requirements
6.1 General
6.2 Selection of CP systems
6.3 Isolating joints
7 Design parameters
7.1 General
7.2 Protection potentials
7.3 Design life
7.4 Design current densities for bare steel
7.5 Coating breakdown factors
8 Galvanic anodes
8.1 Design of system
8.2 Selection of anode material
8.3 Electrochemical properties
8.4 Anode shape and utilization factor
8.5 Mechanical and electrical considerations
9 Galvanic anode manufacturing
9.1 Pre-production test
9.2 Coating
9.3 Anode core materials
9.4 Aluminium anode materials
9.5 Zinc anode materials
10 Galvanic anode quality control
10.1 General
10.2 Steel anode cores
10.3 Chemical analysis of anode alloy
10.4 Anode mass
10.5 Anode dimensions and straightness
10.6 Anode core dimensions and position
10.7 Anode surface irregularities
10.8 Cracks
10.9 Internal defects, destructive testing
10.10 Electrochemical quality control testing
11 Galvanic anode installation
12 Impressed-current CP systems
12.1 Current sources and control
12.2 Impressed-current anode materials
12.3 System design
12.4 Manufacturing and installation considerations
12.5 Mechanical and electrical considerations
13 Documentation
13.1 Design, manufacturing and installation documentation
13.2 Commissioning procedures
13.3 Operating and maintenance manual
14 Operation, monitoring and maintenance of CP systems
14.1 General
14.2 Monitoring plans
14.3 Repair
Annex A (normative) Galvanic anode CP design procedures
Annex B (normative) Attenuation of protection
Annex C (normative) Performance testing of galvanic anode materials
Annex D (normative) CP monitoring and surveys
Annex E (normative) Laboratory testing of galvanic anodes for quality control
Annex F (informative) Interference
Annex G (informative) Pipeline design for CP
Bibliography