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 4-01-03 Issue 2 October 2015 Guide to pressure testing of pressure pipes and fittings for use by public water suppliers

Issue: October 2015 Code: 4-01-03 Status: Archived

WIS 4-01-03 Issue 1 March 2024 Specification for hydrostatic pressure testing of polyethylene and polyethylene barrier water supply pipelines and sewer rising mains

Issue: March 2024 Code: 4-01-03 Status: Current

WIS 4-01-03 Issue 2: May 2026 Draft for public comment – Specification for hydrostatic pressure testing of polyethylene and polyethylene barrier water supply pipelines and sewer rising mains

Status: For Comment From: 05/05/2026 To: 04/08/2026

WIS 4-01-03A Issue 1 Amendment 1 October 2024 – Amendment to: Specification for hydrostatic pressure testing of polyethylene and polyethylene barrier water supply pipelines and sewer rising mains

Issue: October 2024 Code: 4-01-03A Status: Current

WIS 4-01-04 Issue 1 March 2018 Specification for the audit of water industry risk assessments and risk management processes

Issue: March 2018 Code: 4-01-04 Status: Current

WIS 4-02-01 Version 7.3 October 2014 Operational requirements: in situ resin lining of water mains

Issue: October 2014 Code: 4-02-01 Status: Archived

WIS 4-02-01 Version 2.1 March 2009 Operational requirements: in situ resin lining of watermains

Issue: March 2009 Code: 4-02-01 Status: Archived

WIS 4-02-01 Version 3 April 2010 Operational requirements: in situ resin lining of watermains

Issue: April 2010 Code: 4-02-01 Status: Archived

WIS 4-02-01 Version 4 April 2011 Operational requirements: in situ resin lining of watermains

Issue: April 2011 Code: 4-02-01 Status: Archived

WIS 4-02-01 Version 5 April 2012 Operational requirements: in situ resin lining of watermains

Issue: April 2012 Code: 4-02-01 Status: Archived