• To retain the historical character of Amsterdam's city centre

  • Innovative construction methods

  • The world's largest monitoring program

The North/Southline Amsterdam

Widely regarded as one of the most challenging infrastructure projects in Dutch history, the North/South Metro Line in Amsterdam. Witteveen+Bos, Royal HaskoningDHV and Ingenieursbureau Amsterdam collaborated on the project in a consortium called Adviesbureau Noord/Zuidlijn.

During the design phase, the contract preparations and the supervision of the performance of work, the joint venture made a significant contribution to this technically complex project. A key precondition in the design phase was the requirement to retain the historical character of Amsterdam’s city centre. At the start of the project in 1994, this meant that the underground metro line could only be realised if conventional construction methods were applied in a very creative manner. Existing methods such as bored and immersed tunnel construction and pneumatic sinking of caissons have undergone radical innovation to suit the unique circumstances prevailing in Amsterdam. By developing these innovative methods, the Dutch engineering and construction industry has now gained an even stronger leading position in underground construction, both domestically and internationally.

Highlighted techniques

Existing construction techniques have been updated and innovated to adapt them to the exceptional circumstances in Amsterdam. The complex route features a number of highlights.

Highlighted techniques

Existing construction techniques have been updated and innovated to adapt them to the exceptional circumstances in Amsterdam. The complex route features a number of highlights.

Bored tunnel technique

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Immersed tunnel construction

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Deep stations

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Monitoring system

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Tunnel safety

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