The Australian-first use of latest electrical technology has allowed the new Fremantle line tunnel to be engineered simply one.2m on top of the present Joondalup line tunnel.

In another project milestone, a tunnel has been widened and a replacement platform created at Perth station for the special soccer train service to the planned Burswood arena.

And Associate in Nursing underground pedestrian paseo - linking all platforms with the Mandurah line platform and therefore the heart of town in Murray Street - has been mamma.

The new technology, called solid rail conductors, is getting used within the 600m Fremantle rail tunnel rather than the overhead lines that power the remainder of Perth's community train network.

The conductors ar fastened to the tunnel roof and take away the necessity for masts, bracing arms or hanging wires.

They have solely antecedently been used on the port railway system in Italia, the Vienna|national capital} airfield specific in Austria and therefore the Berlin rail station in European nation.

The Perth project's interface manager, Nick Stephens, same the technology meant a smaller clearance between the tunnel roof and therefore the high of the trains.

"Without this technology the Fremantle and Joondalup tunnels would be a lot of nearer along," man Stephens same. "Initial coming up with had the gap between the 2 tunnels at solely 70cm."

Project director John Anderson same building the Fremantle line on top of the Joondalup line - for a distance of regarding 50m - exhibit several challenges and there was potential for the Joondalup tunnel to maneuver.

With the formation but one.5m below ground level, quite three hundred wells had been put in to pump away water.

About a hundred monitors were placed within the Joondalup line tunnel to point any potential movement.

To connect the Fremantle line tunnel to the complete network would force the largest shutdowns in Transperth's history - one from July twelve to seventeen and therefore the alternative from July thirty one to August four.

During the primary closedown, the Midland and Armadale line trains can terminate at McIver on weekdays and Claisebrook on the weekend. Joondalup and Mandurah trains can terminate at Leederville and promenade severally, whereas the complete Fremantle line are going to be closed.

The Midland, Thornlie and Armadale lines won't be affected throughout the second closedown.
The new platform nine, on the Roe Street facet of Perth station, are going to be accustomed take commuters to the new Burswood arena however might even be used for alternative special event venues, as well as the Perth Royal Show.

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