GB/T 19285-2014 Inspection of corrosion protection for buried steel pipelines (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Corrosive environment surveys
5 Coating inspection
6 Cathodic protections
7 Running check and comprehensive test of corrosion protection system
Annex A (Normative) Method of testing soil corrosiveness
Annex B (Normative) Method of testing stray current interference
Appendix C (Normative) Physic Performance Test Method of Outer Anticorrosive Coating
Annex D (Normative) Detection method of positioning damaged point on anti-corrosive coating without excavation
Annex E (Normative) Detection method for overall status of external anti-corrosive coating
Annex F (Normative) Test method for insulation performance of insulation flange (contact)
Annex G (Normative) Test of pipe current
Annex I (Normative) Test method of sacrificial anode parameters
Annex J (Normative) Dense interval potential detection method
Annex K (Normative) Evaluation of classification of external anti-corrosion layer of buried steel pipe
Annex L (Normative) Fuzzy comprehensive evaluation of buried steel pipe corrosion protection system
Annex M (Normative) Classification of corrosion protection system of buried steel pipe
Annex N (Informative) Calculation example of fuzzy comprehensive evaluation of corrosion protection system of buried steel pipe