Schmücketunnel, Heldrungen, Thuringia
Section of the A71, two pipes with a length of 1720m (east pipe) and 1,729m (west pipe) respectively.
Alfred Kunz Untertagebau GmbH
Kirchner Hoch- u. Ingenieurbau GmbH
Execution of open dewatering under consideration of unexpected water inrush due to changing building ground.
Implementation of multiple KTZ and KTV series submersible pumps. Maximum reliability, 24h-operation possible thanks to their suitability for dry running.