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Gelbe Haide

Vienna, Austria

The experts at Doka created a virtual model based on building information modelling (BIM) for the construction of a reservoir in Vienna’s 23rd district so that wall formwork and cycle times could be planned precisely. This reduced the on-site work and resources required by construction company HABAU. Each worker’s formwork productivity doubled, with one casting section completed every three days.

"The fact that we were able to calculate the wall cycles in advance in the 3D model meant that flawless planning was guaranteed. All of the parameters, such as the lifting capacity and reach of the crane – 6 tonnes and 55 metres in this case – were taken into account right from the start," BIM Coordinator Bernhard Wieser said.

Everyone at HABAU and Doka involved in the project had constant access to the 3D model created using the Autodesk Revit software. Working on a shared project platform (CDE) made communicating within and coordinating the project significantly easier. It meant that important criteria could be considered during the planning stages, says Wieser. As a result, formwork quantities were optimised to avoid the need for conversion measures, which significantly reduced the time and work required.

Framax Xlife plus framed formwork was chosen for the wall formwork due to the limited space between the sheet-pile walls and in-situ walls. The concrete poured was the sewage-resistant concrete C30/37 B6 C3A.

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Project data

Year of completion
HABAU Hoch- und Tiefbaugesellschaft m.b.H.

Building data

Construction type
Structure length
230 m
Structure height
4.50 m
Cycle time
3 days