Skip to content
Secure Login
Search all content
Home
Water UK Standards Management Transition
Biographies
What We Do
Operational context
Current Board Priorities
Strategies
Share Your Expertise
Recruiting Now
The Family of Standards
WIS and IGN Library
Navigation & Caveats
How to make Comments / Proposals
Missing WIS & IGN
Board Meetings
Contact
Search all content
Follow us on social media:
Secure Login
WISs and IGNs
WIS
IGN
Current
Ageing
Archived
Draft
Ageing
IGN 4-12-01 Issue 4 March 1991 Precast concrete pipes – unreinforced and reinforced, with flexible joints
Issue: March 1991
Code: 4-12-01
Status: Ageing
Archived
IGN 4-12-01 Issue 3 February 1988 Precast concrete pipes -unreinforced and reinforced
Issue: February 1988
Code: 4-12-01
Status: Archived
Archived
IGN 4-12-02 Issue 2 September 1982 Glass fibre strengthened concrete pipes
Issue: September 1982
Code: 4-12-02
Status: Archived
Archived
IGN 4-12-03 Issue 2 October 1986 Asbestos-cement pipes and fittings
Issue: October 1986
Code: 4-12-03
Status: Archived
Archived
WIS 4-12-04 Issue 1 April 1986 Specification for glass fibre reinforced cement (GRC) sewer linings
Issue: April 1986
Code: 4-12-04
Status: Archived
Archived
IGN 4-12-05 Issue 1 April 1986 Specification for precast gunite sewer linings
Issue: April 1986
Code: 4-12-05
Status: Archived
Archived
WIS 4-12-06 Issue 1 January 1990 Specification for Precast and Insitu Ferrocement
Issue: January 1990
Code: 4-12-06
Status: Archived
Archived
WIS 4-13-01 Issue 1 March 1991 Specification for blast furnace slag cement for in situ lining of water mains
Issue: March 1991
Code: 4-13-01
Status: Archived
Archived
IGN 4-21-01 Issue 3 July 1994 Ductile iron pipes and fittings
Issue: July 1994
Code: 4-21-01
Status: Archived
Ageing
IGN 4-21-01 Issue 2 March 1990 Ductile iron pipes and fittings
Issue: March 1990
Code: 4-21-01
Status: Ageing
...
3
4
5
6
7
...