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Metro station

Sydney Northwest Metro, Australia

Mott MacDonald, in joint venture with other companies, is responsible for a range of new structures on Sydney's Northwest metro including the design of eight railway stations, train stabling and maintenance facilities and 15km of twin tunnels.

Client
John Holland - Leighton (JHL) Joint Venture
Expertise
Structural design, civil design, MEP design, tunnelling design, track and rail systems design

Opportunity

The challenge of the project was to create functional transport facilities with a holistic design encompassing an efficient, safe and maintainable structure.

Solution

The integration of various teams at the joint office was key to success with frequent communication and model sharing a core principle of the project. We worked closely with stakeholders to identify problems and provide solutions during the design stage. Repetition and modularity in manufacturing, transport and erection methods were used for all aspects of the design and construction phase to optimise efficiency and sustainable maintenance.

All station designs have adopted the use of as much precast concrete as possible. The solution was reached through active consultation with our clients technical managers to develop the first use of fully precast concrete underground railway stations in Australia.

Outcome

Minimising the use of raw construction materials and labour on site in favour of pre-fabricated elements has increased the efficiency and sustainability of the project both in construction and in future maintenance operations. We were able to provide functional yet efficient and safe structures to the client with the benefits of reduced operational costs and design life of 100 years.

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