News Articles | 16 October 2019

Late last month the project team reached another milestone with a total of 4.9 million hours worked since construction began 35 months ago.

By comparison, that is equivalent to one person working non-stop for almost 560 years!

Equally as hard-working are our two tunnel boring machines (TBMs), with TBM Grace only a few metres short of the 6km mark, and TBM Sandy on track to reach 5.5km shortly.

Together Grace and Sandy have installed a whopping 6700 concrete rings (40,200 tunnel segments).

Thank you to those who visited us at this year’s Perth Royal Show. It was great to share the latest updates, as well as new tunnel footage with everyone. And our show bags were quite a hit with the young and old!

Fit-out works continue at Forrestfield Station

Fit-out works are ongoing at both platform and concourse level at Forrestfield Station. At the northern end of the station building, in-wall services are approximately 25 per cent complete, and the southern end in-wall services are just days away from completion. Installation of external cladding is underway at the same time.

At platform level a number of "pods" (aka rooms) are also being fitted-out, with external cladding scheduled to commence later this month. The pods are located under the main escalators and will be used for equipment storage.

The portal building, located at the tunnel entry/exit, has become quite a landmark, with the three storeys reaching 12 metres in height. While works on the roof sheeting are ongoing, all internal steel stairs have now been installed.

Bayswater portal lift shaft nearing completion

At the Bayswater portal building, steel fixing and formwork is complete for the lift shaft between the ground and mezzanine levels. Next up, concrete will be poured to form the last section of the shaft walls.

At the western end of the site the final section of the principal shared path (PSP) retaining wall will be poured this month. Once complete, the wall will measure 232 metres. All handrails along the retaining wall have been installed and backfilling and compaction works are in progress along the entire path alignment.

Steel works big ticket item at Airport Central

As per Forrestfield Station, the space beneath the escalator transporting patrons between concourse to platform levels will be used for storage purposes. Steel to frame these spaces is currently being installed.

Steel frame work is continuing along the walls in the atrium - the space where ticketing will be located. With only a small section left to finish, crews will be able to install services shortly, followed by aluminium cladding early next year.

All the lowest level of the station, the train platform is now 75 per cent complete.The final section of the platform will not be completed until next year. This will allow the continued transport of materials between the tunnels during construction.

Redcliffe main hub for tunnel segment distribution

While much of the space within the Redcliffe station box is taken up with the storage of tunnel segments, a number of different work packages are underway.

These include preparation for the installation of the mezzanine level slab at the eastern end of the station. The mezzanine level will house equipment and controls to operate the station and will only be accessible by staff.

Steel and formwork has also been installed in preparation for pours of the remaining columns between the platform and ground levels.

Over at the 500-bay car park, near Central Avenue and Second Street, resurfacing works will commence this month, now that the weather has improved.

First staircase installed in emergency egress shaft

At a height of 21.5 metres, nine flights of stairs were assembled outside the Abernerthy Emergency Egress Shaft (EES) and then craned into the shaft in two sections. This is the first of three shafts to be fitted out with stairs and a lift.

Work is also ongoing on the fourth of the alignment's 12 tunnel-to-tunnel cross passages. More than eight metres of the distance between the two main tunnels at Cross Passage Car Park C in Redcliffe have been excavated.

Preparation works for the construction of the three cross passages located within the airside environment is ongoing.

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