# ISO/TR 7073:1988 — Withdrawn and superseded ISO standards

For ISO/TR 7073:1988, item title is Recommended techniques for the installation of unplasticized poly(vinyl chloride) (PVC-U) buried drains and sewers; status code is 9599; successor is ISO/WD 7073; withdrawn / published date is 1988-07-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 7073:1988 _(verified: appears in the quote below)_
- **Item title:** Recommended techniques for the installation of unplasticized poly(vinyl chloride) (PVC-U) buried drains and sewers _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 7073
- **Withdrawn / published date:** 1988-07-07 _(verified: appears in the quote below)_

## What the source says

> 13644,TR,,ISO/TR 7073:1988,Recommended techniques for the installation of unplasticized poly(vinyl chloride) (PVC-U) buried drains and sewers,Techniques recommandées pour la mise en place des canalisations d'assainissement enterrées en polychlorure de vinyle non plastifié (PVC-U),1988-07-07,2,"['93.030','91.140.80','23.040.20']",ISO/TC 138/SC 1,9599,,[26234],"['en','fr']",21,"<p>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.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).