Singapore LTA CR102
Construction of Tunnels between Aviation Park Station and Changi East Depot
Contract CR102 consists of the design and construction of tunnels connecting Aviation Park station to Changi East Depot for Cross Island Line (CRL). STEC undertakes the contract in a joint venture with LT Sambo.
The project includes five bored tunnels, seven connecting passages as well as two sections of open-cut tunnels and a supporting building. The tunnels, constructed by four Earth Pressure Balance (EPB) shield machines, will pass through temporary aircraft taxiways, aviation park roads, canals, drainage pipes and other public infrastructures.
Contract CR102 is valued at S$780 million. It is a part of the future 50-km Cross Island Line which will be the longest fully underground rail line in Singapore.