Joint venture contractors Costain-Vinci Construction Grands Projets has announced that work on the Shieldhall Tunnel project for Scottish Water has reached a key milestone with completion of the piling work.
Costain has said that Bachy Soletanche has finished work on installing 675 piles clearing the way for the start of the tunnel drive.
Piles installed by Bachy form a connection shaft, a cut and cover tunnel section and the tunnel boring machine launch chamber for what will be Scotland’s largest wastewater tunnel at 5km long.
“The location and size of our site is very challenging but with some careful planning and collaboration with Bachy Soletanche, a major part of this development is now complete and, very importantly, without any issues or incidents,” said Costain senior project manager for the Shieldhall Tunnel Brian Walker.
“It was great to see that final pile being completed and now we are set to begin the next part of the project, when we connect the 150m-long tunnel boring machine and begin tunnelling.”