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WIS 4-34-04 Issue 2 Specification for renovation of gravity sewers by lining with cured-in-place pipes.

Replaced by:

BS EN ISO 11296-1:2011 Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks – General

And

BS EN ISO 11296-4:2011 Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks – Lining with cured-in-place pipes

These were in turn replaced by:

BS EN ISO 11296-1:2018 Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks – General

And

BS EN ISO 11296-4: 2018 + A1: 2021 Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks РLining with cured-in-place pipes

Note:

Despite its being superseded, the Standards Board is aware that compliance with the outdated WIS 4-34-04: 1995 continues to be specified by some parties as a contractual requirement.

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