Yes I am writing a specification using CESWI which refers to this document, however I have found that many of the standards that CESWI refers to have now been replaced.
I suppose this is why the CESWI 7th edition will be issued soon.
Thanks for you input.
thread194-149756
I note that many of the Water Industry Specifications (WIS) are now available for free from this web site.
http://www.water.org.uk/home/member-services/wis-and-ign/current-documents-plastics-and-rubbers
I am using WIS 4-32-08 for electrofusion jointing but note that it is...