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Costain-Carillion JV Implements BIM Process to Deliver GBP 160 Million A5-M1 Link Road

Costain-Carillion JV Implements BIM Process to Deliver GBP 160 Million A5-M1 Link Road
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Costain-Carillion JV Implements BIM Process to Deliver GBP 160 Million A5-M1 Link Road - 1

Bentley* Advancing Infrastructure Project Summary Organization: Costain-Carillion Joint Venture Solution: Roads Location: Dunstable, England, UK Project Objectives: • Deliver a 4.5-kilometer carriageway connecting the A5 trunk road and M1 motorway north of Dunstable to relieve traffic congestion and boost economic growth. • Implement a federated BIM approach to automate the production of data-rich 3D models from existing 2D designs. Products Used: MXROAD, OpenRoads, MicroStation, ProjectWise, Bentley Class Editor, Subsurface Utility Engineering Costain-Carillion JV Implements BIM Process to Deliver GBP 160 Million A5-M1 Link Road Bentley Technology Provides Innovative Solutions That Push the Limits of BIM for Transportation Infrastructure Fast Facts • CCJV used Bentley software to develop a classification system for managing attribute data within the models to meet the 4D (construction sequencing), 5D (cost reports), and 6D (asset models) project deliverables. • Using Bentley civil design technology the JV team pushed the boundaries of BIM, integrating temporary works, project constraints, and traffic management as active elements in the BIM model. ROI Bentley software enabled CCJV to simulate drive-through clash detection for improved decision making and cost savings, reducing requests for information. MXROAD facilitated workflows to convert 2D drawings and schedules into accurate, interactive 3D models for effective and efficient production of roadway objects and infrastructure systems. Having a construction-ready, federated model onsite reduced lane closures on the M1 from 14 to nine. A Pioneer Project for Highways England To relieve traffic congestion and unlock growth in the local Dunstable area, Highways England proposed the Northern Dunstable Bypass, linking the A5 trunk road to the Ml motorway via junction 11A, at the eastern end of the link road. This dual, 4.5-kilometer carriageway includes three new junctions, a new roundabout, and seven new bridges. It is the first infrastructure project linking a new junction to an existing smart motorway where variable speed limits and hard shoulder running are used to manage traffic flow. Costain-Carillion Joint Venture (CCJV) was formed to design and construct the transportation system that will improve road safety and travel time by eliminating the need for long-distance travel on the A5 through Dunstable. While the project was not a United Kingdom (UK) "Early Adopter" BIM initiative, the team selected a collaborative BIM approach and digital processes to enhance decision making and realize construction savings. HDB Associates (HDB) was commissioned to help implement the BIM procedures in parallel with the traditional 2D designs, which are already nearing completion. The team needed to incorporate the 2D models into the BIM process as well as integrate temporary works, project constraints, and traffic management as active elements within the 3D model. A key objective of the project was to create information models that supported sufficient attribute data to ensure 4D (construction sequencing), 5D (cost information), and future 6D (asset information) modeling deliverables could be met. To accommodate these challenges among a team where many members had no previous BIM experience, CCJV relied on the flexibility and interoperability of Bentley technology to deliver this groundbreaking infrastructure project for Highways England. BIM Advancements Drive Standards With the project well underway prior to implementing the use of BIM, CCJV faced the challenge of educating and engaging team members, to ensure that the collaborative BIM approach was incorporating and building on 2D design work already accomplished, and producing models from 2D drawings without compromising the production of traditional CCJV pushed the boundaries of BIM processes by integrating temporary works, projectconstraints, and traffic management as active elements in the model. deliverables. Following its four factors of a successful BIM project - people, collaboration, process, and technology -CCJV used Bentley's civil design, modeling, and information management applications to introduce its BIM methodology and produce a fully federated 3D model of the scheme that could be maintained throughout the project lifecycle. Teaming with Bentley provided considerable assistance enabling CCJV to take full advantage of key technologies including Bentley Class Editor, OpenRoads, and Subsurface Utility Engineering (SUE). This, combined with lessons learned from other projects, was helpful in developing an effective BIM approach embraced by all stakeholders. Furthermore, creating BIM processes and tools and working backwards from the familiar traditional requirements helped bridge the gap between conventional design deliverables and new BIM initiatives. For example, producing 5D costing reports from the models in the same format as the traditional bills of quantities, output on spreadsheets, was a tool and format familiar to the entire project team. This tactical approach to BIM built trust and accelerated full engagement in the 3D federated modeling process. Effective Data Management To establish BIM Level 2 compliance and adopt Highway England's draft standard Advice Note, CCJV needed to implement a collaboration tool to control the project models and documents. The JV team selected ProjectWise® and

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Costain-Carillion JV Implements BIM Process to Deliver GBP 160 Million A5-M1 Link Road - 2

“Bentley’s ambition to push technological boundaries and its ability to adapt to a changing environment has enabled the CCJV BIM team to develop a model that encourages a collaborative approach to both planning and efficiency.” – Adam Goodall Construction Manager, Costain-Carillion Joint Venture Find out about Bentley at: www.bentley.com Contact Bentley 1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000 Global Office Listings www.bentley.com/contact configured the software to include the requirements of the Advice Note. ProjectWise provided a connected data environment and...

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