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

WIS 4-04-02 Issue 1 December 2012 Specification for package pumping stations intended to serve more than one property

Issue: December 2012 Code: 4-04-02 Status: Ageing

IGN 4-05-01: Issue 1 January 2014 Guidance on allocation and calculation of costs for self lay of water mains

Issue: January 2014 Code: 4-05-01 Status: Archived

IGN 4-08-01 Issue 4 February 1994 Bedding and sidefill materials for buried pipelines

Issue: February 1994 Code: 4-08-01 Status: Ageing

IGN 4-08-01 Issue 3 November 1989 Imported granular and selected as-dug bedding and side-fill materials for buried pipelines

Issue: November 1989 Code: 4-08-01 Status: Archived

IGN 4-08-01A November 2008 Amendment to: Bedding and Sidefill Materials for Buried Pipelines

Issue: November 2008 Code: 4-08-01A Status: Ageing

WIS 4-08-02 Issue 1 February 1994 Specification for bedding and sidefill materials for buried pipelines

Issue: February 1994 Code: 4-08-02 Status: Ageing

WIS 4-08-02A November 2008 Amendment to: Specification for bedding and sidefill materials for buried pipelines

Issue: November 2008 Code: 4-08-02A Status: Ageing

IGN 4-10-01 Issue 2 October 1986 Bricks and mortar

Issue: October 1986 Code: 4-10-01 Status: Archived

IGN 4-11-01 Issue 2 February 1984 Vitrified clay pipes and fittings

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

IGN 4-11-02 Issue 1 February 1988 Revised bedding factors for vitrified clay drains and sewers

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