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IGN 4-02-05 Issue 1 Code of practice: in situ polymeric lining of service pipes

This Code of Practice covers the requirements needed to provide non-structural protective coatings, semi structural or fully structural in situ spray applied linings for sewer pipelines or other non- circular assets constructed of:

  • iron
  • steel
  • asbestos cement
  • concrete
  • clay
  • plastic
  • pitch fibre

or as limited by the material manufacturer’s Instructions for Use (IFU) using polymeric lining materials for in situ lining of sewer pipelines. This currently includes two part epoxy resin and two part rapid setting polyurea /polyurethane materials.

Issues considered include:

  • polymeric lining materials;
  • approvals required;
  • scheme preparation;
  • pipeline cleaning;
  • application of coating;
  • curing;
  • quality control procedures; and
  • rectification of lining defects.

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