DLT5394-2007
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
5 Corrosion Assessment
5.1 Assessment of Environmental Corrosion
5.2 Assessment of Corrosion Damage of Pipes
5.3 Assessment of Corrosion of Earthing Grid
6 Anti-corrosion of Buried Steel Pipes in Electric Power Projects
6.1 General Requirements
6.2 Surface Treatment of Buried Steel Pipes
6.3 Coating Anti-corrosion
6.4 Cathodic Protection
6.5 Protection Against Interference Corrosion
6.6 Operation and Management of Pipe Anti-corrosion System
7 Anti-corrosion of Earthing Grid of Power Projects
7.1 General Requirements
7.2 Anti-corrosion Method
7.3 Cathodic Protection of Earthing Grid
7.4 Cathodic Protection with Sacrifice
7.5 Impressed Current Cathodic Protection
7.6 Test Piles and Reference Electrode
7.7 Acceptance
7.8 Operation and Management of Cathodic Protection System
Appendix A (Normative) Standards for Quality Grades of Derusting
Appendix B (Informative) Test Methods for Properties of Paint and Coating
Appendix C (Informative) Calculation of Cathodic Protection with Sacrifice
Appendix D (Informative) Calculation of the Impressed CurrentCathodic Protection