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In comparison with the (traditional way) trench relaying networks, CIPP (cured in place pipe with flexible line) has several advantages, which are important when choosing a method of laying pipe. For example, reduced investment by reducing costs for the design, preparation and construction, using the old paved road, and the lack of need for its removal. Earthworks are minimized, as well as work on the demolition and subsequent restoration of a landscaping. The obvious advantage of the system of polyester woven fabric is a high corrosion and abrasion resistance, environmental friendliness, and low roughness of the inner surface of the cured "sleeve", to compensate for decrease in the diameter of the pipeline, which in consequence will not affect the capacity of pipes.

The method consists in introducing into the old pipe "sleeves", which is made of synthetic felt, impregnated with a variety of composite material (depending on the purpose of selection of the pipeline) with subsequent curing of it. Thus, inside the old pipe, a new tube, having a carrying capacity, in terms of comparable reconstructed. With this method it is possible to reconstruct both pressure and non-pressure sewerage and water pipelines. Reorganized by the pipeline diameters from 100mm to 1600mm.