Rehabilitation and Maintenance of Drains and Sewers / Prof. Dr.-Ing. D. Stein, Dipl.-Ing. R. Stein (2004)

Requirements and Tests

Besides the general requirements of the processes, materials and application for the structural rehabilitation of sewers cited in (Abschnitt 5.1), the following special standards must be considered for lining processes:

For internal linings of polymer materials (strips, plates or tubular bodies of thermoplastic synthetic materials or reaction resin-bound materials) as corrosion protection, there are especially applicable in the Federal Republic of Germany the requirements of the "Zulassungsgrundsätze für die Auswahl und Anwendung von Innenauskleidungen aus Kunststoff für erdverlegte Abwasserleitungen und Schächte" (Basics of Certification for the Selection and Application of liners of Synthetic Materials for Underground Sewers and Manholes) of the Deutschen Institutes für Bautechnik (German Institute for Building Technology), Berlin (DIBt) [DIBt96] from the year 1996 which replaces the "Richtlinie für die Auswahl und Anwendung von Innenauskleidungen mit Kunststoffbauteilen für Misch- und Schmutzwasserkanäle" (Guidelines for the Selection and Application of liners with Synthetic Materials Components for Combined and Wastewater Sewers) of 1982 [IfBt82].

As the new certification standards are shortened compared to the old ones in some of their basic requirements and tests, in the following, both publications of the DIBt will be dealt with under the aspects of requirements and tests for the materials and the design of the linings.

For other lining processes that are not dealt with in the guidelines these requirements can be applied in the same sense, according to [IfBt82].

Rehabilitation and Maintenance of Drains and Sewers / Prof. Dr.-Ing. D. Stein, Dipl.-Ing. R. Stein (2004)