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North-South Bypass Tunnels and Canopies

Principal: Protector Building Systems
Builder: Baulderstone & Billfinger
Contract Value: $5.0m

Description: GFab were approached to detail, supply, fabricate and install the entrance canopies to the North South Bypass Tunnel in Queensland.

The canopies are a 3-dimensional curved structure that is an Architectural feature as motorists enter the individual tunnel sections. Each structure is unique and consists of very complex Architectural elements such as elliptical pods and curved voids. There is barely one straight piece of steel in nearly 400 Tonnes.

All the steelwork has a 2 and 3 coat paint system. Some of the details were so complex that the normal 3D modelling programmes couldn’t be utilised to provide workshop detail drawings. These particular elements had to be shop positioned via lasers and assembled prior to fully welding.





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