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Bridge design with BIM


Calculations and design, plus all other disciplines

Sustainability Goals

Calculations and design



United Nations sustainable development goal number 9 - industry, innovation and infrastructure

A 634-metre-long world record

BIM models have long been an important part of bridge design. In recent years, this technology has matured enough to allow many structures to be built without drawings, based solely on data models.

Randselva Bridge is also being constructed in this way. At a length of 634 metres, this is the world’s longest bridge to be built without drawings, pushing the limits of what can be done with this technology. More than 200,000 rebars and 250 post tensioning cables will be put in place based only on BIM models.

The method places high and completely new demands on design, control and everyone working on construction sites, but there are many benefits. There is more understanding of the task and fewer mistakes are made. The design can be reused and is also more easily adapted to the contractor’s construction methods. Revisions are performed more quickly, and the parties involved always have access to the latest version.

While there are a number of challenges, we have always felt that the advantages of projects without drawings greatly outnumber the disadvantages. We are therefore convinced that we will not be able to retain the world record for very long.

Demolition and reconstruction of the wharf are necessary in order to accommodate the polar research vessel, the RRS Sir David Attenborough, which will carry out cutting-edge research into polar science.

Expansion of the wharf was required to accommodate the new BAS ship RRS Sir David Attenborough. The design was undertaken following non-intrusive SI following thorough risk appraisal. Three mooring points maximise the position of the vessel for moving cargo on and off ships.

This important bird and seal breeding location in South Georgia delivers frontier science research.

The Discovery building is the most significant project of the Phase 1 projects delivered by BAM/Sweco team. Key aspects of the building are thermal performance, capture and reuse of thermal energy from electricity generation and recirculation of heat. A novel wind deflector device is also included to reduce the effort required to manage snow in operation.