GS Engineering (S. Korea), Subcon Dongah (S. Korea) DESCRIPTION
Contract 913 od Downtown Line Stage 2 is for the Design and Construction of Hillview and Cashew stations and tunnels.
1 slurry (kawasaky) with a diameter of 6.35 m was used to excavate the twin-tunnels of 2x 1200 m.
Packing grease for mechanized
tunnelling with TBM