In a bid to end its reliance on neighbouring Malaysia for fresh water, Singapore is creating its own fresh water reservoir by constructing a barrage across a tidal estuary. The $227M Marina Barrage will close off Singapore's Marina Channel and Kallang Basin from the sea.
Work on the barrage is taking place within a huge sheet piled coffer dam. Nine hydraulically operated steel gates will be seated within reinforced concrete housing. Main contractor Koh Brothers is nearing the end of excavation for the foundations; concrete pouring for the housing structure is following hard behind. Once complete, the gates will allow storm water to be discharged at low tides. The gates will also be opened briefly at slack low water to allow shipping in and out of the Marina Channel. This can be done without sea water mixing with the river water. The project is expected to finish next year.