LDMT were awarded this job in July 2018, with work commencing December 2018.  Due to the purer size of the construction site, job planning became vital. Tunnelling works were spread out over a 15 month period and out last drill shot was completed March 2020.

This project consisted of 30 separate TBM setups, 20 launch shafts and 1600 meters of tunnelling.

Bore size: 380mm & 450mm OD

Pipe installed:
– Iplex DN150 PVC RESTRAIN™
– Iplex DN225 PVC RESTRAIN™
– Iplex DN300 PVC RESTRAIN™
– HOBAS GRP 427 OD Jacking pipe

Ground Conditons: Sandy clay & high plasticity clay

Shaft Depths: 1.5 - 9 meters