Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Vitrified clay pipes and fittings and their joints
      4.2.1 Materials
      4.2.2 Dimensional tolerances
      4.2.3 Strength
      4.2.4 Gas- and liquid-tightness of pipes, fittings
            and their joints
      4.2.5 Durability
  4.3 Special fittings, adaptors and compatible accessories
      4.3.1 Materials
      4.3.2 Dimensional tolerances
      4.3.3 Strength
      4.3.4 Gas- and liquid-tightness
      4.3.5 Durability
  4.4 Perforated vitrified clay pipes
      4.4.1 Materials
      4.4.2 Dimensional tolerances
      4.4.3 Strength
      4.4.4 Durability
  4.5 Vitrified clay manholes
      4.5.1 Materials
      4.5.2 Dimensional tolerance
      4.5.3 Strength
      4.5.4 Liquid-tightness
      4.5.5 Durability
  4.6 Vitrified clay pipes and joints for pipe jacking
      4.6.1 Materials
      4.6.2 Dimensional tolerances
      4.6.3 Strength
      4.6.4 Liquid-tightness
      4.6.5 Durability
5 Evaluation of conformity
  5.1 General
  5.2 Type testing (initial testing of the product)
  5.3 Factory production control (FPC)
      5.3.1 General
      5.3.2 Equipment
      5.3.3 Product testing and evaluation
6 Marking
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive