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Leighton Asia Adopts Civil BIM Platform for Longest Sea-Crossing Span

Leighton Asia Adopts Civil BIM Platform for Longest Sea-Crossing Span
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Leighton Asia Adopts Civil BIM Platform for Longest Sea-Crossing Span - 1

CASE STUDY Project Summary Organization: Leighton Asia Solution: Construction Location: Hong Kong Project Objective: • Construct the 40,000-square-meter, 30-meter-high Passenger Clearance Building and associated works for the Hong Kong Boundary Crossing Facilities. • Enable Leighton-Chun Wo Joint Venture team to successfully manage eight contracts with multiple contractors and subcontractors. • Implement a common civil BIM platform to facilitate communications and anticipate and resolve problems in advance of construction. Products Used: AECOsim Building Designer, Descartes, LumenRT, Navigator, ContextCapture, MicroStation®, OpenRoads, ProjectWise® Leighton Asia Adopts Civil BIM Platform for Longest Sea-Crossing Span Bentley’s BIM Technology Cuts Construction Costs by 12 Percent Hong Kong’s Distinctive Entry Point The Highways Department for the Government of Hong Kong Special Administrative Region (SAR) is building a mega-size sea crossing to link Hong Kong, Zhuhai, and Macao. Vehicles will enter and leave Hong Kong through new boundary crossing facilities on a 150-hectare reclaimed island. The Leighton-Chun Wo Joint Venture (JV) won the USD 4.6 billion contract to construct the Passenger Clearance Building and associated works. As the lead on BIM utilization for contractor works, Leighton Asia used Bentley’s BIM technology as the common platform for anticipating and rectifying construction problems, as well as building the as-built digital model for delivery to the Highways Department. Leighton Asia’s innovative BIM strategy saved about 12 percent of the construction budget and 15 percent of the Survey Department budget. Megaproject, Multiple Contractors Fast Facts • Up to 250,000 passengers and 60,000 vehicles per day will pass through the Passenger Clearance Building, the new entry point into Hong Kong. • Bentley’s civil BIM software was used as the common platform for anticipating and rectifying construction issues. • Comparing 3D design models to 3D point-cloud as-built models ensured construction accuracy. ROI • Bentley’s BIM technology reduced remedial work, resource hours, and construction costs. • Using the civil BIM platform saved about 12 percent of the construction budget. • Creating georeferenced as-built models from laser scan point clouds saved about 15 percent of the survey budget. includes three link roads connecting surrounding territories to the HZMB, which will further reduce driving time along the Hong Kong-Zhuhai-Macau route from four hours to 45 minutes. As part of the Hong Kong Boundary Crossing Facilities (HKBCF), the Passenger Clearance Building will house customs and immigration facilities on 130 hectares of the reclaimed land adjacent to Hong Kong International Airport. The JV team was responsible for construction of the Passenger Clearance Building, drop off deck/area footbridges, and district cooling system for the facilities. The scope of this contract included bored pile foundations, reinforced concrete structures, profiled steel roof, curtain walling and glazing, mechanical and electrical work, and architectural finishes. A separate contract included ancillary buildings, facilities, and civil works. Construction of the project commenced in 2014, and the Passenger Clearance Building was targeted for commissioning by the end of 2017. The size of the 40,000-square-meter building presented the JV team with significant challenges. The building’s 30-meter height made installation of the complex steel roof particularly problematic. There was also an enormous underground utilities network with 385 kilometers of utilities. These works were covered by eight subcontracts, which required coordination among two consultants, eight main contractors, and numerous subcontractors. The 50-kilometer-long Hong Kong-Zhuhai-Macao Bridge (HZMB) will cross the Pearl River Estuary in south China and be the world’s longest sea-crossing span, largest bridge-tunnel complex, and deepest underwater tunnel. A joint undertaking of the governments of Guangdong Province, Hong Kong SAR, and Macao SAR, the USD 10.6 billion crossing will connect the region’s three most populous cities to meet the demand for passenger and The wavy steel roof design of the Passenger Clearance Building One Civil BIM Platform freight transport and enhance was a major construction challenge of the project, but simulation Leighton Asia chose via reality modeling proactively identified potential issues in the economic and sustainable design stage, avoiding rework during construction. Bentley’s BIM technology development. The Hong Kongas the comprehensive civil Zhuhai-Macao Bridge Authority is responsible for the HZMB’s BIM platform capable of handling large-scale infrastructure. construction, operation, maintenance, and management. The civil BIM platform was created using several Bentley applications, including AECOsim Building Designer, Descartes, In addition to the series of bridges and tunnels that comprise the main bridge, this large-scale infrastructure project LumenRT, N

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Leighton Asia Adopts Civil BIM Platform for Longest Sea-Crossing Span - 2

"Bentley's civil BIM advancements bring BIM technology to the next stage by multiplying its benefits, especially in challenging and large-scale projects. This platform has enhanced collaboration of various stakeholders to import, acquire, and exchange valuable information." - Sr. Michael Kin Wong, Survey Manager, Leighton Asia 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 OpenRoads, and ProjectWise. Adopting a BIM-enabled approach offered the JV team several advantages....

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