W ramach prac pod dnem Jeziora Żywieckiego wykonano dwa przewierty o łącznej długości ponad 700 mb. Zadanie realizowano w trudnych warunkach geologicznych.
Under the Zywieckie Lake there were made two crossings with a total length of over 700 m. The task was realized out in difficult geological conditions. The contractor replaced a part of water pipe and installed a new one. Works were successfully completed.