Assembly of the first JTSC TBM at the Upper Thomson Launch Shaft (ULS) commenced yesterday. The front shield of the slurry TBM was lowered down yesterday afternoon, and the cutterhead was lowered down at noon earlier today. Inaugural drive along the 0.6km northbound tunnel will be performed towards the Upper Thomson station before relaunching back at the ULS for the southbound drive.
TEL1/2 Tunnel Chart, February 2016 |
Lowering of the JTSC TBM's front shield (Feb 12) |