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The 2,000-foot bridge was constructed without a single drawing

6 0 1
20.06.2022

Soaring above a forest outside of Oslo, Randselva Bridge is remarkably unremarkable. A straightforward viaduct for cars and trucks, the gently curving bridge straddles a river, a valley, a rail line and foothills. The bridge stretches 634 meters, or 2,080 feet, and stands 180 feet above the ground at its highest point. Like many highway projects around the world, it has been engineered to span great distances and stand strong—feats that have become so normal they’re expected as the status quo. But unlike most large-scale building projects, this bridge has been designed and constructed without any drawings.

[Image: courtesy Oystein Ulvestad]Construction blueprints, the two-dimensional drawings that detail how contractors turn designs into a finished project, were completely eliminated. When it opens to traffic next month near the city of Hønefoss, the bridge will be the longest ever constructed without 2D drawings.

[Image: courtesy Oystein Ulvestad]This feat was made possible by a new approach to designing and constructing projects. Using one highly detailed digital three-dimensional model this approach is saving time and money on what can be expensive, slow and complex building projects.

[Image: courtesy Oystein Ulvestad]Known as building information modeling, or BIM, this process removes what had become a problem-plagued step in construction. For the past decade or so, with the advancement of digital design software, most big construction projects have been designed........

© Fast Company


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