The application of trenchless technology in pipeline maintenance

Trenchless technology is method for pipe repair without mining. With today's improved equipment and materials many financial and socio-economics’ advantages are achieved. The trenchless technologies which are used in Croatia will be explained, as well as effects in the comparison with classic methods of repairing pipes. Paper will compare the international practice coming from application of trenchless technology with local experience. The positive and negative characteristics of trenchless methods and limitations for their use will be discussed. In addition of input data paper will give recommendation for choosing certain trenchless method.