48 | Advertisement Promotion: Dietrich’s
PIONEERING OFF-SITE CONSTRUCTION
Ossabois builds Europe’s highest hotel residence in modular timber construction
Ossabois is a pioneer in the off-site construction of wooden buildings and is today the French leader in this sector. Thanks to its specialised “off-site” construction processes, the company can prefabricate the customised modules for the designed structures in its three factories in France. These modules are then transported to the construction site ready for assembly. This method makes it possible to save up to 70% of construction costs and reduce construction times by up to 60% compared to conventional construction methods.
In the heart of France’s fourth-largest ski resort in Le Corbier in Savoie, Ossabois has now realised the MMV Étoile des Sybelles residence, the tallest building complex in Europe built using 100% modular timber construction. Designed by Hubert Architecture, the 10,000m2 building extends over eight floors and consists of a total of 310 wooden modules.
Off-site manufacturing and the use of renewable materials saved around 30% of CO2 emissions and up to 40% waste compared to a similar conventional building. In keeping with the sustainable vision for the building, it will be used permanently for tourism over the next 30 years.
Above: The timber frame project was fully
modelled in 3D using Dietrich’s digital tools and the modules were constructed off-site
TTJ | July/August 2022 |
www.ttjonline.com
This large timber frame project was fully modelled in 3D using Dietrich’s digital tools. To make the design and fabrication of the 310 modules that make up the building as efficient as possible, a total of three floor types and seven apartment types were identified. With
the help of the IFC import, it was perfectly possible to import the entire MEP planning into the 3D model. Thanks to the D-CAM module, further 3D modelling work could be carried out smoothly in the OpenGL mode. The unique structure of Dietrich’s CAD files made it possible to split this large project into several, smaller files, representing logical work sub-groups. The building library feature available in D-Wall made it possible to simultaneously combine all parts of the building into a single file.
Dietrich’s 3D modelling also made it possible to plan the assembly of the modules on the construction site. The D-Wall, Ceiling and Floor and Roof modules were used to model the timber frame walls, ceilings and roofs. At the same time, all files for transfer to the CNC machines could be created. The D-CAD 2D module was used to automatically create all the 2D plans needed from design to fabrication to erection.
Dietrich’s thus accompanied this product in accordance with our claim of providing a largely closed and continuous digital value- added process for timber construction from planning to the construction site and solved it perfectly for our requirements. ■
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