WIS and IGN Library | Water UK Standards Board

Skip to content

The Library contains WIS & IGN as PDF files in one of four states (current, draft, archived, archival candidate) for free download. Pay close attention to a document’s caveats.

WIS and IGN Library

IGN 4-40-01 Issue 2 August 1986 Selection, properties, storage and installation requirements for elastomeric seals and sealing rings

Issue: August 1986 Code: 4-40-01 Status: Archived

IGN 4-40-02 Issue 1 July 1989 Guidance for the selection, properties and use of elastomeric seals and sealing components

Issue: July 1989 Code: 4-40-02 Status: Archived

WIS 4-41-01 Issue 2 February 1993 Specification for flexible couplings for gravity sewerage and drainage pipes

Issue: February 1993 Code: 4-41-01 Status: Archived

WIS 4-41-01 Issue 1 November 1990 Specification for Type A flexible couplings for gravity sewerage and drainage pipes

Issue: November 1990 Code: 4-41-01 Status: Archived

IGN 4-50-01 Issue 2 January 1987 Operational guidelines for the loose polyethylene sleeving of underground iron mains

Issue: January 1987 Code: 4-50-01 Status: Archived

IGN 4-50-03 Issue 1 June 1996 Operating guidelines for the use of site applied, factory applied, and reinforced factory applied polyethylene sleeving on ductile iron pipeline systems

Issue: June 1996 Code: 4-50-03 Status: Archived

IGN 4-51-01 Issue 1 June 1984 External zinc coating of ductile iron pipe

Issue: June 1984 Code: 4-51-01 Status: Archived

WIS 4-52-01 Issue 1 December 1992 Specifications for Polymeric Anti-Corrosion (Barrier) Coatings

Issue: December 1992 Code: 4-52-01 Status: Ageing

WIS 4-52-01A Issue 1 August 1994 Amendment to: Specification for Polymeric Anti-Corrosion (Barrier) Coatings

Issue: August 1994 Code: 4-52-01A Status: Ageing

IGN 4-52-02 Issue 1 January 1993 The use of Polymeric Anti-Corrosion (Barrier) Coatings

Issue: January 1993 Code: 4-52-02 Status: Ageing