A short-term spring awakening has inspired the progress of construction. In the past few weeks, it was therefore possible to build almost the entire exterior walls in the basement. Also the interior walls show a noticeable progress. The walls in the basement are about five metres in height. Besides the sealing measurements at the external walls were accomplished and we started to fill the void space between wall and construction pit safety device. All in all, the course has been set to ensure that the basement ceiling is completed on schedule.