As of Sunday September 12, 2021,the TBM Wyspiarka had bored over 1,454 meters of the entire bored section of 1,484 meters. It means, it has less than 30 meters to complete boring the tunnel under Świna, reports portalmorski.

GULERMAK and PORR engineers have already readied the receiving chamber on the island of Wolin. The chamber has been filled with water to balance the pressure when boring through its diaphragm wall.

https://www.portalmorski.pl/porty-logistyka/49281-budowa-tunelu-do-mety-pozostalo-niespelna-30-metrow