NEN EN 14654-1 : 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 General
  3.2 Deposits
  3.3 Cleaning methods
4 Management of cleaning operations
  4.1 General
  4.2 Cleaning aims
  4.3 Description of the sewer system
      4.3.1 General
      4.3.2 Review of information
      4.3.3 Typology of drains and sewers
  4.4 Development of the cleaning plan
  4.5 Specification of objectives
  4.6 Evaluation of the condition of the sewer
      before cleaning
  4.7 Information to be provided
  4.8 Selection of cleaning methods
  4.9 Recycling and disposal of deposits
5 Control of sewer cleaning operations
  5.1 Specification
  5.2 Description of the required results
  5.3 Reporting requirements
  5.4 Performance indicators
  5.5 Methods to be used to measure conformity
  5.6 Non-conformities
  5.7 Review of the cleaning plan
6 Working practices
  6.1 General
  6.2 Training
  6.3 Health and safety
  6.4 Methods
Annex A (informative) Example of cleaning report
                      form
Annex B (informative) Cleaning methods
  B.1 General
  B.2 Jetting
  B.3 Jetting with suction
  B.4 Winching
  B.5 Rodding
  B.6 Remote controlled equipment
  B.7 Flushing
  B.8 Cleaning balls/scouring plates
  B.9 Manual or mechanical excavation
Annex C (informative) Examples of performance indicators
  C.1 Indicators for the assessment of a cleaning
      plan
  C.2 Indictors for the assessment of cleaning
      work
Bibliography

Defines the general principles for the management and control of operational activities in drain and sewer systems outside buildings and specifies requirements for development and implementation of work programmes, and the selection of techniques.