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WIS and IGN Library

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

Archived

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

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

IGN 4-50-03 Issue 1 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

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

Issue: June 1984 Code: 4-51-01 Status: Current
Ageing

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

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

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

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

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

Issue: January 1993 Code: 4-52-02 Status: Current
WIS

WIS 4-52-03 Issue 1 Specification for Anti-corrosion Coatings on Threaded Fasteners

Issue: December 1994 Code: 4-52-03 Status: Current
WIS

WIS 4-52-03A Issue 1 Amendment to: Specification for Anti-corrosion Coatings on Threaded Fasteners

Issue: April 1995 Code: 4-52-03A Status: Current
Archived

5-Series WIS & IGN – Explanatory Note

Issue: August 2023 Code: 5-01-01 Status: Archived
Draft

Water Industry Guidance on Undertaking Gravity Sewer Rehabilitation – Using Cured In Place Pipe (CIPP) Technology

Status: For Comment From: 19/04/2022 To: 18/07/2022