A model-based workflow in construction – Dronning Eufemia’s street

About 0.5 miles long new street was built in the heart of the city of Oslo with estimated construction costs of $ 100 million. The key to success was a model-based project workflow and a combined BIM model that was actively used by the project owner, designers and contractors.

About 0.5 miles long new street was built in the heart of the city of Oslo with estimated construction costs of $ 100 million. The key to success was a model-based project workflow and a combined BIM model that was actively used by the project owner, designers and contractors.

Customer:
Norwegian Road Authority

Country:
Norway

Project:
Construction of the new main street in Bjørvika, Oslo

Designers:
AAS-Jakobsen, Vianova Plan og Trafik

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About 0.5 miles (i.e. 750 meter) long new street was built in in Bjørvika, a neighborhood in the heart of the city of Oslo, during the years 2011 and 2015. The estimated construction costs of the new main street were $ 100 million, and about 1 100 piles and 25 000 m2 of concrete were needed to build it.

A combined BIM model containing a vast amount of details was needed in order to fit together the heavily built existing structures and new street elements. The model turned out to be particularly useful in clash detection and optimization of the total solution to build, enabling also easy production of needed stakeout data on site.

The model-based virtual design and construction process actively served all parties of the project. First, all design disciplines produced 3D model data, which was directly used as stakeout data in the construction site. Second, the model was regularly reviewed and updated, even daily when needed, and used by everyone; Road Authority, engineers and even by the contractors on site. Third, the combined model almost completely replaced traditional drawings and meeting memos. All comments, decisions and observations were included and managed in the model.

The Viasys VDC BIM software and the carefully implemented modeling workflow used throughout the project – with commonly agreed rules, named responsibilities and an organized way of using the model – was identified as a key success factor that ensured the high-quality end result. The project workflow also complied with the Norwegian national recommendations for data modeling in infrastructure projects published by the Norwegian Road Authority, HB138.

A Viasys VDC software view to the combined BIM model showing different technical elements constructed under the Dronning Eufemia’s street.

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