• PT. Wijaya Karya

    Landslide Disaster Protection on the National Road Network

    Cianjur, West Java, Indonesia

Project Summary


Two months before the annual Indonesian Homecoming Festival in West Java, a catastrophic landslide affected the road between Bogor and Cianjur, worsening the already terrible traffic situation on West Java’s main thoroughfare. The Ministry of Public Works retained PT. Wijaya Karya (WIKA) to provide an effective feasibility study while performing preventive measures on the site. The estimated USD 2.9 million project presented numerous site and environmental challenges that required the implementation of integrated design technology to meet the strict, five-month delivery deadline.


WIKA implemented a digital 3D BIM and reality modeling solution using Bentley® technology for data capture, design, and construction management. Using unmanned aerial vehicles coupled with ContextCapture, the team surveyed the site, performed ground extraction from a reality mesh, and generated a digital terrain model. Leveraging the capabilities of OpenBuildings™ Designer (formerly AECOsim Building Designer) and OpenRoads™, the team quickly designed the site, corridor, and ancillary structures and used Navigator for clash detection to identify and resolve issues prior to construction. ProjectWise® served as the connected data environment to share information and optimize coordination among the team.


Bentley’s integrated technology solution reduced design and construction time by 30 percent, saving three months to help WIKA meet the accelerated five-month deadline. Working in a connected data environment streamlined design workflows to reduce project design time by up to 20 percent. Providing a digitally integrated modeling environment saved USD 660,000 in design costs. The collaborative digital BIM approach improved design quality by 95 percent.


Using aerial photography and ContextCapture for reality modeling enabled WIKA to save six days capturing existing site conditions compared to traditional survey methods. Given the landslide-prone site conditions, PLAXIS® was instrumental in performing geological analysis to determine soil-bearing properties for structural design. OpenRoads and ProStructures optimized roadway design and reinforcement detailing to accommodate the foundation conditions, while OpenBuildings Designer helped manage accurate 2D and 3D drawing outputs. Utilizing Bentley Navigator for clash detection and construction simulation minimized design errors and enabled real-time construction monitoring to save a total of USD 158,000 in costs.

Project Playbook: ContextCapture, gINT, LumenRT, Navigator, OpenBuildings DesignerOpenRoads, PLAXIS, ProjectWise, ProStructures

  • The team implemented a 3D digital and reality modeling approach to meet the site challenges and short, five-month timeline.
  • Using aerial drones and ContextCapture enabled the team to complete the site survey and model existing conditions in one day compared to one week using conventional methods.
  • Bentley’s integrated project delivery platform streamlined workflows to save USD 660,000 and three months in design and construction time.
  • Bentley’s interoperable design applications facilitated accurate material extraction and construction simulation to optimize costs and efficiencies and improve overall quality by 95 percent.
  • “With the digital approach, we can optimize the cost, speed up the project schedule, and get an accurate design. Bentley’s BIM solution is the right one to face the challenges.”

    Romi Ramadhan BIM Manager PT. Wijaya Karya
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