Crews Lower 1,000 Tonne Bascule Pier Box into Harbour

October 3 2014

In September, crews successfully lowered a 1,000 tonne structure into the harbour known as the “bascule pier box”. The temporary underwater structure will allow the new bascule pier to be constructed in the harbour under dry conditions. The bascule pier is the part of the bridge that will contain the mechanical and electrical systems that move the bridge open and close for marine traffic. It took 37 hours over four days to slowly lower the structure into five metres of water.

Inside the bascule pier box:

Pumps will remove the heavy rainfall that accumulated at the bottom of the bascule pier box to create a dry work environment for the construction of the bascule pier.

Pumps will remove the heavy rainfall that accumulated at the bottom of the bascule pier box to create a dry work environment for the construction of the bascule pier.

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