NEN EN 14457 : 2004

Foreword
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
4 Functional and dimensional requirements
  4.1 General
  4.2 Dimensions
       4.2.1 Nominal sizes
       4.2.2 Diameters
       4.2.3 Tolerances on diameters
       4.2.4 Straightness
       4.2.5 Squareness of end faces
       4.2.7 Continuity of invert
  4.3 Smoothness of bore
  4.4 Appearance
  4.5 Joints
  4.6 Corrosion resistance
  4.7 Abrasion resistance
  4.8 Jetting resistance
  4.9 Modification
  4.10 Coatings and linings
  4.11 Long-term behaviour
  4.12 Durability
  4.13 Load bearing capacity
  4.14 Tightness
  4.15 Temperature
5 Test methods
  5.1 General
  5.2 Measurement of diameters and wall thicknesses
       5.2.1 Internal diameter of pipe barrels
       5.2.2 External diameter of pipe barrels
  5.3 Measurement of deviation from straightness of pipe barrels
  5.4 Measurement of deviation from Squareness of the ends of the
       pipes
  5.5 Continuity of invert
  5.6 Water tightness tests
       5.6.1 Test for pipes
       5.6.2 Test for pipe joints
  5.7 Air tightness tests
6 Marking
Annex A (informative) Examples of joints
Bibliography

Describes general requirements for pipes and their joints intended for use in drains and sewers which are installed using trenchless construction methods "pipe jacking", "microtunnelling" and "pilot jacking" as defined in EN 12889 as gravity systems.