First pile into the ground of 'Bij de Zijl' in Leiderdorp

17 July 2018

The Zijl is being built on the former ROC location in Leiderdorp.

There are 42 owner-occupied houses in Bij de Zijl: 10 water houses, 19 court residences and 13 terraced houses. In addition, Bij de Zijl consists of two apartment buildings. A residential tower of 70 meters high with 104 free sector rental housing and an apartment block with 36 social rental properties. All houses and buildings are made with a warm, light color brick, which makes them a beautiful whole together. The terraced houses and courtyard residences are situated around a green park and part of the single-family homes are located on the water. This creates a lively varied neighborhood.

On July 16, 2018, the first pile was struck for this large housing project, which means that construction can finally begin after a 2-year preparation with different construction variants.

The most striking part of the structure is the residential tower of 70 meters high. In close cooperation with developing contractor Vinkbouw and architect KAW, a system was devised to bring the tower up to speed relatively quickly. The floor plans are cleverly arranged so that they can use a tunnel construction system with a fast turnaround time. In addition, all façade walls are designed as prefabricated sandwich elements, with the masonry already being installed in the prefab outer sheet. The prefab is in some places part of the main supporting structure and sometimes only façade filling. The interconnections proved crucial, whereby both the structural effect of the components had to be taken into account and the possibilities of the asse

The houses will be completed by the end of 2019.


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