TBM Theia completes Expo bound tunnel

Today, TBM Theia of C930 completed the Expo bound tunnel from Ubi to MacPherson station. The completed tunnel joins a string of breakthroughs along Downtown Line stage 3 that signal the line inching towards completion day. To date, the longest completed section could see one walking from the Bendemeer station all the way to Bedok Reservoir.

TBM Theia, having successfully broken through at MacPherson station

Stage 3 breakthroughs

Over the past month or so, several breakthroughs have been taking place along the Downtown Line stage 3, with the latest being at Geylang Bahru station. Under Contract 933, contractor Penta-Ocean Construction is building 4 tunnels out of the Bendemeer station. TBM3, named Bendemeer, which is manufactured by Herrenknecht as machine S-740 bore the Bukit Panjang-bound tunnel towards Geylang Bahru station. The tunnel enters a stacked configuration shortly after leaving the Bendemeer station with an escape shaft being constructed near the Whampoa River. Launched in February 2013, the machine finally docked at Geylang Bahru station.

DTL3 Tunnel Chart for June 2014