Outfall Construction

Outfall Green Island

A 370 metre long 1 m dia sewage outfall extension commencing 450 metres off shore on an exposed coast. Trench excavated and pipe strings laid in trench from a ‘walking falsework platform’ which was supported on tube piles. The platform withstood waves up to 6 metres high

Kwinana Outfall Pipeline

Smithbridge were engaged as Main Contractor for the installation of a 1.8m ID concrete outfall pipeline extending 320m into Cockburn Sound, near Perth.