Mandurah Bypass

Fremantle Constructions where engaged by the Southern Gateway Alliance, formed by Leighton’s contractors and Main Roads WA to install all the precast tunnel segments. There where 2 x 220m new rail tunnels, 7.5m high 220 pre-cast segments, 15 headwall panels. The tunnel arches were placed using 2 x 280 tonne crawlers and completed in 3 x 56hr round the clock rail shutdowns. We also poured all of the tunnel concrete footings, supplied and installed the formwork for concrete crash barriers as well as four concrete head walls.

Location: 
Mandurah, Western Australia
Owner: 
Main Roads WA
Client: 
Southern Gate Way Alliance (SGA)
Duration: 
10 months
Sectors: 
Government
Status: 
Completed