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UDC 696.1

Stepanov M. A., Zakharov Iu. S.

Rehabilitation of house drainage systems with the use
of BRAWOLINER® flexible polymer liners


Replacement of house drainage systems in apartment buildings with the use traditional technologies encounters active opposition of the residents and is often eliminated. The reason lies in the necessary subsequent renovation of apartments at the owner’s cost. The use of flexible polymer liners provides for rehabilitating house drainage systems with minimum demolition works and high quality within a very short time. This requires beside the availability of process equipment and qualified personnel also shrewd planning and high-quality organizational and preparatory works with account of the specific features of each project. The factors influencing planning and cost of the works are as follows: number of apartments; number of storeys in the building; number of stand-pipes; number of offsets and abuttings; length of the drainage system (stand-pipes, abutting pipes); scope of performing works; labour costs; distance to the object; extra work to provide for the access to the pipeline; scope of plumbing work (if required).

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  1. Zakharov Iu. S., Orlov V. A. Vosstanovlenie vodootvodyashchikh setey polimernymi rukavami [Sewer rehabilitation with polymer liners. Moscow, Rusains LLC Publ., 2017, 107 p.].
  2. Beck S. Sanierung ohne stemm- und aufbrucharbeiten innerhalb von gebuden am beispiel Finnland. 3R-Technik Jahrbuch, 2017.
  3. Wilkinson K., Sorvisto J., Virtanen R. Renovating small diameter drains inside buildings in Finland: Challenging European and international practices: International No-Dig 2013. 31st International Conference and Exibition. September 1–4, 2013. Sydney, Australia.

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