Downtown Line Stage 3 Contract 927 in Singapore involves the construction of two mainline tunnels by TBM, a breakdown siding tunnel by shotcrete lining, and the Bedok Reservoir station. Italian contractor CMC of Ravenna is using two Robbins TBMs, named Tierra and Kaida. On 31.10.2013 at 19.20 local time, TBM Tierra broke through at the reception shaft of Bedok Reservoir station marking the end of its drive on the Expo-bound tunnel. TBM Kaida is awaited at the same reception shaft. Click here and sg/23 for tunnelbuilder archive. Visit http://cmcgruppo.com/. 48/13.