Design challenges within Canberra Airport's terminal precinct

Source: 12d Solutions - www.12d.com 

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03 December 2014

Mott Macdonald was engaged by the Canberra Airport Group to undertake the planning and design for the construction of a larger airport terminal precinct as part of a $480 million investment at Canberra Airport.

The new terminal precinct was on a completely new alignment over the top of an existing terminal precinct footprint with minimum disruption to the function of the airport terminal, underground services and roadways.

The Challenge

The detail 3D design and documentation of the civil engineering components of the airport upgrade. This included:

The Solution

A multi-user, multi-stage approach was taken to complete the design using 12d Model, capturing all existing site conditions and ensuring they were not disrupted during the construction phase.

The sharing of models, TINs and alignments enabled the site to be split into sectors and stages. Different designers worked on each sector and stage while accessing data from adjoining sections and stages.

The maze of underground utilities was modelled in 12d Model to allow the installation of new utilities within existing corridors as well as ensure sufficient clearances were provided to new surfaces and critical infrastructure.

The previous apron design was prone to flooding the terminal building. The existing apron was modelled in conjunction with the underground storm water network and overland flows. Storm events were applied to predict and mitigate storm water flows while tying into the existing storm water network.

The Obstacle Limitation Surface (OLS) is the boundary of airspace which surrounds the airport to protect it from intrusion, interference or any effect which could affect the operation of aircraft and aviation safety. A complex series of surfaces was created in 12d Model to ensure construction activities did not encroach on the OLS at any stage of the project.

Result

The level of detail achieved during the design phase allowed the prediction of potential problems that would have hampered the construction effort.

The modelling of elements such as existing utilities and OLS boundaries provided the client with sufficient information to create detailed construction plans and reduce potentially dangerous interference with existing operations.

 

Contact

12d Solutions Team

P: info@12d.com M: +61 2 9970 7117

 

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