WIS and IGN Library | Water UK Standards Board

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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 4-11-01 Issue 2 Vitrified clay pipes and fittings

Issue: February 1984 Code: 4-11-01 Status: Archived

IGN 4-11-02 Issue 1 Revised bedding factors for vitrified clay drains and sewers

Issue: February 1988 Code: 4-11-02 Status: Archived

IGN 4-12-01 Issue 4 Precast concrete pipes – unreinforced and reinforced, with flexible joints

Issue: March 1991 Code: 4-12-01 Status: Current

WIS 4-12-04 Issue 1 Specification for glass fibre reinforced cement (GRC) sewer linings

Issue: April 1986 Code: 4-12-04 Status: Ageing

IGN 4-12-05 Issue 1 Specification for precast gunite sewer linings

Issue: April 1986 Code: 4-12-05 Status: Archived

WIS 4-12-06 Issue 1 Specification for Precast and Insitu Ferrocement

Issue: January 1990 Code: 4-12-06 Status: Archived

WIS 4-13-01 Issue 1 Specification for blast furnace slag cement for in situ lining of water mains

Issue: September 2023 Code: 4-13-01 Status: Archived

IGN 4-21-01 Issue 3 Ductile iron pipes and fittings

Issue: July 1994 Code: 4-21-01 Status: Archived

WIS 4-21-02 Issue 1: Specification for mechanical couplings and repair clamps for iron pipes for the conveyance of cold potable water (underground use) for the size range 40 to 1600mm / 1.5 to 48″ inclusive

Issue: October 1994 Code: 4-21-02 Status: Archived

WIS 4-22-02 Issue 1 Specification for ferrules (tapping tees) and ferrule straps for underground use

Issue: March 1991 Code: 4-22-02 Status: Current