ISO/TR 7073:1988

Recommended techniques for the installation of unplasticized poly(vinyl chloride) (PVC-U) buried drains and sewers

Includes recommendations concerning installation of PVC-U-pipes and fittings up to 630 mm diameter, trenchwork, pipe laying and backfilling, maintenance and repair, as well as transport, storage and handling of pipes. Reference is made to International Standards and national requirements.