Client : SMEC International
Location : Geylang River, Singapore
Year : 2002

Madsen Giersing designed the cofferdam for the Geylang River Diversion for the Kallang & Paya Lebar Expressway Tunnel.

The design consists of a parallel wall cofferdam in very soft marine sediment with a wall depth of up to 40m.

The cofferdam is a two stage construction with the first stage having a length of 140m and the second stage having a length of 290m.

The design included the development of construction techniques and design of temporary works for the driving of the sheet piles.

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