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

WIS 4-34-04 Issue 2 Specification for renovation of gravity sewers by lining with cured-in-place pipes.

Issue: March 1995 Code: 4-34-04 Status: Archived

IGN 4-34-04 Issue 1 April 1986 Specification for polyester insituform sewer linings

Issue: April 1986 Code: 4-34-04 Status: Archived

WIS 4-34-05 Issue 1 April 1986 Specification for polyester resin concrete (PRC) sewer linings

Issue: April 1986 Code: 4-34-05 Status: Archived

WIS 4-34-06 Issue 3 April 2010 Specification for localised sewer repairs using cured-in-place systems with or without re-rounding

Issue: April 2010 Code: 4-34-06 Status: Ageing

WIS 4-34-07 Issue 1 October 2025 Specification for leak tightness testing of cured-in-place-pipe lining systems for gravity sewer rehabilitation

Issue: October 2025 Code: 4-34-07 Status: Current

IGN 4-34-08 Issue 1 November 2025 Information and Guidance on undertaking gravity sewer rehabilitation using Cured in Place Pipe (CIPP) Technology

Issue: November 2025 Code: 4-34-08 Status: Current

WIS 4-35-01 Issue 2 October 2008 Specification for thermoplastics structured wall pipes – supplementary test requirements

Issue: October 2008 Code: 4-35-01 Status: Ageing

WIS 4-37-01 Issue 1 November 1990 Specification for boundary boxes for the metering and control of domestic and small industrial water services

Issue: November 1990 Code: 4-37-01 Status: Ageing

WIS 4-37-01A Amendment October 1993 Specification for boundary boxes for the metering and control of domestic and small industrial water services

Issue: October 1993 Code: 4-37-01A Status: Ageing

IGN 4-37-02 Issue 1 March 1999 Design against surge and fatigue conditions for thermoplastic pipes

Issue: March 1999 Code: 4-37-02 Status: Ageing