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About This Item

 

Full Description

This standard covers materials and installation procedures for polyethylene encasement to be applied to underground installations of ductile-iron pipe. This standard may also be used for polyethylene encasement of fittings, valves, and other appurtenances to ductile-iron pipe systems. Appendix A contains notes on procedures for soil survey tests and observations and their interpretation to determine whether polyethylene encasement should be used.
 

Document History

  1. AWWA C105/A21.5-18


    Polyethylene Encasement for Ductile-Iron Pipe Systems

    • Most Recent
  2. AWWA C105/A21.5-10


    Polyethylene Encasement for Ductile-Iron Pipe Systems

    • Historical Version
  3. AWWA C105/A21.5-05

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    viewing


    American National Standard for Polyethylene Encasement for Ductile-Iron Pipe Systems

    • Historical Version
  4. AWWA C105/A21.5-99


    American National Standard for Polyethylene Encasement for Ductile-Iron Pipe Systems

    • Historical Version