Baelskaai 12 (Oosteroever)
Like many European port cities, the Belgian coastal town of Oostende is also working on transforming its old ports into a lively city district. The development project 'Oosteroever' of Versluys Buildinggroup and CFE immo must provide space for living, working and recreation and covering an area of twelve hectares.
With the redevelopment of the old industrial Oosteroever dock area into a new residential and business centre, Ostend is positioning itself alongside other European cities, such as Antwerp and Marseille, which revitalised their old harbour quarters. The tall apartment block Baelskaai 12 is the absolute eye-catcher in this prestigious project. Construction work started at the end of 2013 and is scheduled to be completed this summer.
The architecture of the site completely disappears from the typical elongated coastal construction, We build in harmony with the landscape," said Walter Leyssens, General Director of contractor Atro (Group CFE).
The quay will be completely redeveloped and the old dock will be repurposed as a marina. Restaurants, cafés, boutiques and art galleries will transform the Baelskaai into a bustling quarter, within walking distance of the centre of Ostend, the beach and the dunes. Baelskaai 12 and Victoria, the second apartment block behind it, are the first buildings to spring up on the new Oosteroever bank. ‘We are carrying out the base build of Baelskaai 12, a tower block containing 49 apartments and fourteen floors, together with sister company MBG. Versluys, our partner in the Oosteroever plc, will construct the Victoria building,’ says Leyssens.
CONIX RDBM Architects was responsible for the design of the first iconic apartment block to be built, Baelskaai 12. The 49 apartments each have an outdoor space of minimally twenty square metres and impressive views of the dunes and North Sea.
One of the most remarkable characteristics of the tower block is that the floor area increases on the higher floors. The floor area of the top floor is over 800 square metres. ‘The concrete structure consists of a load-bearing core with projecting floor plates and terraces,’ says Walter Leyssens. ‘The wall is not load-bearing. Because of the big cantilevered terraces, the floor plates will be post-stressed with steel cables, a technique also used in bridges. This is the first time that we are doing this in residential construction. It’s a technical and logistical challenge. Because the underlying walls and terraces will no longer be accessible after the supporting structure has been completed, the concrete wall panels will already be installed during the base-build phase.’
The wall is not load-bearing. Because of the big cantilevered terraces, the floor plates will be post-stressed with steel cables, a technique also used in bridges.
Especially for the Oosteroever project, Reynaers Aluminium developed a custom sliding window CP 130-LS with an airtightness, watertightness and wind-load resistance category suitable for high-rise buildings situated right on the coastline. For instance, the watertightness category of the sliding window system was increased to 750 Pa.
The use of post-stressed floor plates offers maximum freedom of configuration of the apartments. The biggest apartment, on the top floor, will have a terrace of 173 m2 with clamped glass balustrade. "Because there are no other high-rise buildings in the area, this building will be a real landmark," Leyssens predicts. "It will also have a very luxurious feel." Here, he is not only referring to the panoramic views and aesthetics, such as the finish of the façades in white polished architectural concrete or the wooden terrace floors. "Two apartments, on the eleventh and fourteenth floor, will have their own swimming pool. The biggest will be 7.7 metres long. Both pools will be finished with a glass side wall that is 15 cm thick and unbreakable."
- Allaert Aluminium
- Philippe Van Gelooven
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