Decisions on the choice of the technology for construction of renovation of water supply lines and sewers should be preceded by analysis of all technical, economic and environmental aspects. The paper will present the guidelines for the choice of trenchless methods for rehabilitation of water supply and sewer systems taking into consideration the above criteria and specific land use along the route, the application of a specific trenchless technology for undeveloped areas (e.g. green areas), special areas (such as parks, forests, rivers, water intake zones etc.) and urban areas (e.g. projects completed in cities).

Tadeusz Å»aba PhD, Production Director, Municipal Water and Sewage Company S.A. in Kraków (MPWiK S.A)
Graduated from the Faculty of Electrical Engineering and the Faculty of Mechanics of  the Kraków University of Technology. Postgraduate studies at the AGH University of Science and Technology, the Kraków University of Technology and the University of Economics. Member of research and teaching staff of the Faculty of Environmental Engineering of the Kraków University of Technology. Since 1986 employed in the Municipal Water and Sewage Company S.A. in Kraków. Currently holds the position of Production Director.
In charge of production process management: water treatment and supply, sewage treatment and facilities maintenance. Author or co-author of dozens of articles published in scientific and professional magazines and in conference proceedings. His interests include renewable energy sources and energy intensity in water supply systems.