In September 2019 the group from Germany installed a of new safety rope.
Beforehand it was necessary to do the clear cutting of the visual axes of the measuring field at ZOTTO. The aim was to do the 2nd control measurement of stability, which was the measurement of position and
measurement of height.
Karl Kübler and a technician also did the maintenance of the engine that autumn. Alo one of our Scientists, Tarek El Madani, helped then our Technicians Kerstin Hippler and Steffen Schmidt in ZOTTO. They were installating a new safety rope at 304m height.They also did the maintenance at the Eddy station east of the river Jenissej.