• BS EN 14457:2004

    Current The latest, up-to-date edition.

    General requirements for components specifically designed for use in trenchless construction of drains and sewers

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  29-07-2004

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee B/505
    Development Note Supersedes 02/103343 DC. (08/2004)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 476:2011 General requirements for components used in drains and sewers
    EN 773:1999 General requirements for components used in hydraulically pressurized discharge pipes, drains and sewers
    EN 12889:2000 Trenchless construction and testing of drains and sewers
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