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The experience of operating enterprises over recent years has attested to the fact that in Ukraine an increasing attention is paid to the questions of using trenchless technologies, known in the world as NO-DIG or TRENCHLESS TECHNOLOGIES. In this connection, it is necessary to highlight the restoration of the water utilities networks by the «Berstlining» method, which provides carrying out earthworks with a minimum volume and impact on the surrounding massif. On the basis of field research at the objects of restorations of water utilities networks, we generalized technical and organizational-technological peculiarities of conducting the work by the «Berstlining» method. With the aid of the method of expert estimations, we defined the factors that influence the effectiveness of conducting repair work. Using the method of ranking of the revealed factors, the most significant of them are determined, such as: physical-mechanical conditions of the soil, technical condition of the existing pipeline, the longitudinal profile of the section for restoration. Results of the studies attest to the fact that the detailed research into these factors will make it possible to improve the technical and economic indices of reconstruction works, which is a key aspect under conditions of limited financing of the enterprises of water utilities in Ukraine.

Research into the factors which influence efficiency of the water supply networks reconstruction by the «Berstlining» technology