NEN EN 15257 : 2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General principles, duties and responsibilities
   4.1 Certification body
   4.2 Delegated body
   4.3 Training centre
   4.4 Examination centre
5 Levels of competence
   5.1 General
   5.2 Level 1
   5.3 Level 2
   5.4 Level 3
6 Eligibility for certification
   6.1 General
   6.2 Training
        6.2.1 General
        6.2.2 Level 1 and level 2
        6.2.3 Level 3
   6.3 Industrial experience
7 Competence assessment for certification
   7.1 General
   7.2 Examination for level 1 and level 2
        7.2.1 General
        7.2.2 Common-core examination session
        7.2.3 Sectoral theoretical examination session
        7.2.4 Sectoral practical examination session
        7.2.5 Conduct of examinations
        7.2.6 Grading of the Level 1 and Level 2 certification
               examination
        7.2.7 Final assessment
   7.3 Assessment for level 3
   7.4 Re-assessment
   7.5 Competence assessment exemptions
8 Administration of certification
   8.1 Certificates and/or wallet cards
   8.2 Provisional certification
   8.3 Validity period of certificate
9 Re-certification
   9.1 General
   9.2 Levels 1 and 2
   9.3 Level 3
10 Files
11 Establishment of new certification schemes, extension of
   schemes, transition periods
   11.1 General
   11.2 Certification body
   11.3 Certification scheme and training
        11.3.1 General
        11.3.2 Appointment of trustees
        11.3.3 Establishment of certification scheme
        11.3.4 Liaisons with existing schemes
   11.4 Transition period for examiners and assessment committee
   11.5 Transition period for previously certificated personnel
   11.6 National boundaries
Annex A Application sectors (normative)
        A.1 General
        A.2 Underground and immersed metallic structures
        A.3 Marine metallic structures
        A.4 Reinforced concrete structures
        A.5 Inner surfaces of metallic container structures
Annex B Competence levels (normative)
        B.1 General
            B.1.1 Introduction
            B.1.2 Level 1
            B.1.3 Level 2
            B.1.4 Level 3
            B.1.5 Tasks to be fulfilled in all application sectors
        B.2 Specific tasks for underground and immersed metallic
            structures application sector
        B.3 Specific tasks for marine metallic structures
            application sector
        B.4 Specific tasks for reinforced concrete structures
            application sector
        B.5 Specific tasks for inner surfaces of metallic
            structures application sector

Describes three competence levels (Annex B) of personnel acting in the field of cathodic protection, including survey, design, installation, testing and maintenance.