Case Studies

Real stories from real BIM people

The towers reach new heights in Tianjin


Published by:
Company: Autodesk
Location: Tianjin, China
Year of the project: 2019
For China Construction Eighth Engineering Division Corp., Ltd., BIM was integral to success on a complex tower project.

At the outset of the Tianjin Chow Tai Fook Financial Center project, the goal was set for the use of BIM with all employees, specialties, and processes. Not only that, the contract requires the delivery of BIM models to serve the operation and maintenance upon completion (in the precision of LOD500).

For the past three years, more than 100 members of the BIM team have worked and collaborated on the design and construction. Expected for completion in the fall of 2019, Tianjin Chow Tai Fook Financial Center will be a striking new landmark and integrate business and commercial space; luxury apartments; and a five-star hotel. It has a 390,000-square-meter total construction area, constituting a four-story basement, a five-story podium, and a 103-story tower, reaching a total height of 530 meters.

Complexity by the numbers

The team set out to achieve high production precision, no storage on the construction site, no rework in construction, and low cost in operation and maintenance.

In a project this size, the numbers don’t lie. BIM has helped adjust 20,000 wall layouts and more than 8,000 door heights for ceilings of different elevations and types in more than 50,000 square meters. By avoiding the modification and rework ahead of time, the project saved 30 days and $10 million RMB. With an output of nearly 4,000 drawings for the models of masonry panels, light partition walls, piping shafts, doors, and more, contractors could prepare their work precisely. This helped to cut the amount of materials needed for delivery, saving 60 days of construction work and material and labor costs of more than $14 million RMB.

Beyond the construction work, generative design was used to program and import the 3D coordinates to create an accurate façade. 14,800 pieces of façade components were finished three times faster than the typical process and ensured 100 percent accuracy.

Data is everywhere and accessible

BIM has transformed the project management of the tower. Before construction, 932 models were compressed into 12.21G and stored in an accessible, private server. The total number of models to be tracked reached 184,504 with 763,552 logistics updates.

All information—from ordering and transportation to entry, installation, and acceptance—is updated via mobile phones or iPads and stored on the BIM platform so it’s easily accessible for everyone at any time.  Currently the project has created 2,950 QR codes for major equipment and prefabrication components. By easily scanning the QR code, the status of logistics can be updated automatically, creating greater collaboration and ensuring the accuracy of data.  Approval processes are also streamlined with mobile.
Implementation sector
  • Builders
Type of Implementation
Size of the company
  • Big BIM
Actors leading the implementation
  • Bottom-Up
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