Document
IGN 4-32-18 Issue 1 The choice of pressure ratings for polyethylene pipe systems for water supply and sewerage duties
This IGN provides guidance on the choice of pressure classifications or ratings for buried and above ground polyethylene (PE) pipe systems for the transmission of potable water and sewage. Close-fit PE liner pipes (independent or interactive) are not within the scope of this document. The document supports WIS 4-32-17: June 2001: Issue 2 (Polyethylene pressure pipes for pressurised water supply and sewerage duties) providing information for the application of polyethylene pipe manufactured to that specification. Further guidance on the use and installation of PE pressure pipe systems can be found in the joint WRc/ British Plastics Federation publication ‘The PE Pipe Manual’, Issue 3.
Caveats
One or more ‘Common Editorial Caveats’ apply – see ‘WIS & IGN Library / Navigation & Caveats’ for details.
The document supports WIS 4-32-17 Issue 2 but that document was withdrawn upon publication of BS EN 12201-2:2011 Plastics piping systems for water supply, and for drainage and sewerage under pressure – Polyethylene (PE). Pipes (+A1:2013) (incorporating corrigendum January 2012).
Based on the Standards Board’s enquiries (Autumn 2021) of stakeholders (BPF PG, FWA, UKSTT, PIG, SRCG & PRI/88/3 representatives ) the consensus view is that the existing document is likely to require review and either updating or archiving. The Board has therefore initiated (January 2022) a preliminary review of its continuing relevance and currency.
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