For more than 85 years, the Afsluitdijk, a 32-kilometer dam, has been a hallmark of Dutch hydraulic engineering. The dam protects a large portion of the Netherlands from the Wadden Sea and regulates the water level in Lake Ijsselmeer, Holland’s biggest lake.
reduction in time for design coordination
tonnes reduction in Co2 emissions
LEVVEL – a consortium made up of Van Oord Aberdeen Infrastructure Partners B.V., BAM PPP PGGM Infrastructure Coöperatie U.A. (part of Royal BAM Group), Arcadis and EPICo NL 2 B.V. – will design, build, finance, and maintain the reinforcement of the Afsluitdijk, the largest dike in the Netherlands. The project is a complex multi-disciplinary undertaking that involves numerous stakeholders and includes:
With more than 500 people from architecture, civil engineering, and construction working together during the design and preconstruction process, effective cross-discipline collaboration was the key challenge for success.
“We needed to reimagine the design and preconstruction phase by using a common data environment to create a shared view of all activities, dependencies, deadlines, and inquiries. This would eliminate data silos, streamline review cycles, and extract real-time data for design coordination and review, quantity-take-off, and mark-ups.”
To develop an ecosystem that supports multi-disciplinary collaboration, the team deployed BIM 360 and Assemble within Autodesk Construction Cloud™. The team uses the tools together for integrated 3D modeling to create a single source of truth for greater efficiency, collaboration, and quality management.
With a design team of up to 300 people, collaborating in a single environment was essential. Designers would upload models directly from Civil 3D and Revit into BIM 360 for design collaboration and coordination. Planners also used Dynamo and advanced scripting to speed up the design process, citing the tools’ ability to increase collaboration and work simultaneously. By creating a computational design, designers can produce concepts that iterate faster and earlier.
Assemble is another critical solution used by the team to condition, query, and connect BIM data to key workflows, using the tool’s ability to provide up-to-date visualisation of the total project status. With Assemble, the team can easily track, manage, and analyse model data. Multiple stakeholders can access Assemble to observe project quantities and stay up to date whenever a new model is published. This visibility results in significant efficiency gains on a project of this magnitude, which will play a vital role in the long-term management of the project.
“BIM 360 is at the core of our cloud-based collaboration process and has the most prominent role in the project. The latest model data is always available in 3D and 2D and is easily accessible by all project stakeholders. Without BIM 360, collaboration would be a nightmare.”
The scale of the Afsluitdijk reinforcement is unique for the Netherlands. It represents the latest developments in rising sea levels, water safety, ecology, and sustainability while building a safe and secure dam using state-of-the-art design and building software.
With the new and intuitive workflow for reviewing models, the team saves time, improves quality and project insight. The digital model allowed designers to work on the project simultaneously through iterative review rounds with issues and mark-ups. Before this workflow, traditional rounds of review could take up to five days. With BIM 360, reviews are closed in one day, an 80% reduction in design coordination time.
The Autodesk aided design and analysis delivers 40,000 tonnes less CO2 emissions, reducing no less than 56% compared to alternative solutions. Each level-block of the dam receives a chip and is therefore easy to trace for maintenance. The blocks are transported via water and quickly assembled onsite with a minimal footprint.
By exploring automation possibilities early in the project, the team understood where to improve based on process and repetitive manual workflows, resulting in time savings, efficient collaborative methods, and measurable results – all hallmarks of this project. The team was able to connect the construction phases, producing a high-quality model during design that aided in deploying the right tools during preconstruction to mitigate errors downstream.
By using the most state-of-the-art risk management, sustainable construction methods as well as proven Autodesk technologies, it is expected that the dam will withstand a once-in-every-ten-thousand-year storm.
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Den Oever, Netherlands