This project involved the replacement of an existing 505 metre long viaduct structure over a floodplain located 10km south of Casino.

Features:

• 3500 tonnes of precast concrete, comprising 135 individual spans
• over 1200 precast concrete elements ranging from 0.5-0.9 tonnes, and
• 6 hour windows to complete as many span replacements as possible.

Benefits:

• Existing train service unaffected by construction work
• Design solution that enabled all work to be undertaken during existing windows between trains, and
• Minimal maintenance solution with a 100-year design life.

Client: Australian Rail Track Corporation (ARTC)

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