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A historic lack of investment in public transport resulted in the significant sprawl of Perth, particularly north – south along the coast. Metronet, the single largest investment in Perth’s public transport, is thus about unlocking the latent capacity within the existing network.
Ultimately, the initiative will close to triple the capacity of the existing network through targeted investments, including a high capacity signalling system and more trains, according to executive director of Infrastructure, Planning and Land Services Owen Thomas.
Metronet is the state government’s long-term plan, equally focussed on transport infrastructure as on land use outcomes, which will see new communities created as a result of investment. The underpinning target is a 45 per cent increase in dwellings near high frequency transport infrastructure by 2031. As part of delivering against that, the state’s Department of Communities, which largely delivers social housing, is targeting their investment program around specific Metronet sites as part of a social and affordable housing package.
Fundamentally, the initiative involves the creation of 72km of new railway, up to 18 new stations, the removal of eight level crossings, the replacement of the aging A series rail car fleet and acquisition of an expanded fleet of 246 new C-series railcars, and the optimisation of nearly 5000 hectares of land.
According to Thomas, the most significant and challenging aspect of the project is the implementation of the communications-based train control (CBTC) across the network.
The final business case for the system is currently under consideration. According to Thomas, once it is rolled out, the signalling system will enable more frequent services, every 4 minutes in peak.
Through early works, Thomas says that his transport infrastructure team, working in conjunction with the station precincts development team, have found that it will take $20-$25 million for other enabling infrastructure, such as utilities, to be delivered at the stations.
“We’ll likely see the rail infrastructure delivered within four to five years from the project commencement, but regarding the longer-term outcomes, we will not see many of the station precinct developments on site until up to 15 to 30 years away. So, one of the key challenges is how to incrementally stage those outcomes so that you get the long-term benefits you want but don’t have a sterile station environment from day one.”
In late December, “NEWest Alliance” was awarded a major Metronet contract for $1.25 billion, to deliver the Yanchep Rail Extension and the Thornlie-Cockburn Link. The consortium comprises CPB Contractors and Downer, who will start construction work in mid-2020.
The project will add 17.5 kilometres of rail to connect the Armadale and Mandurah lines through existing stations at Thornlie and Cockburn Central. The new link will include two new stations at Ranford Road and Nicholson Road.
The Thornlie-Cockburn Link will be the first east-west connection between rail lines on the Perth network. It will involve replacing a pedestrian level crossing with a footbridge, duplicating the Canning River Rail Bridge, and modifying the Ranford Road Bridge.
The Yanchep Rail Extension will deliver the last proposed section of the Joondalup Line, from Butler to Yanchep, along a 14.5-kilometre route. It will public transport journey times by at least 30 minutes to and from the city.
It’s estimated that by 2031, the Thornlie-Cockburn Link and Yanchep Rail Extensions will serve a population catchment of 400,000 people.
Downer EDI was named as the preferred proponent to build the major rail components atone of Metronet’s level crossing removal projects, at Denny Avenue.
This level crossing removal will be delivered through two design and construction contracts and will include raising more than 800 metres of track and associated infrastructure to enable a new road underpass.
Early works on the project began in 2019 with geotechnical testing, demolition of buildings and removal of a number of Railway Avenue trees. Utility relocation will start in early 2020.
Also in late December, Jacobs was named the preferred proponent to create the business case for the removal of the other six level crossings on the Armadale Line. Preliminary planning identified the potential for more crossings to be included in the project scope.
“ is shaping up to be a defining year for Metronet construction. Perth will have six Metronet projects under construction at once, creating thousands of local jobs and opportunities for local business,” said premier Mark McGowan.
The other major Metronet contract, to deliver the main works for the Morley-Ellenbrook Line, will not be announced until late 2020.
The Morley-Ellenbrook Line will connect the north-eastern suburbs to the broader rail network and is the signature Metronet project. It will include 21km of rail, new stations, two underpasses to allow the rail line to enter and exit the Tonkin Highway median, associated infrastructure to connect to the existing line, road and bridge reconfiguration works and integration across other projects.
Due to the complexity of the Morley-Ellenbrook Line project, the works are divided into four packages, including the Bayswater Station Upgrade (to be awarded in early 2020), the Tonkin Gap project (civil and structural works to allow access in and out of the Tonkin Highway, to be awarded in mid-2020), the forward works and the main works.
The forward works will be delivered under a series of standalone contracts,managed by the PTA and will include geotechnical field investigations, survey works, and the relocation and protection of the in-ground and overhead services of both the PTA and third-party assets.
Main works will be delivered through a competitive alliance contract. It will include the design, construction and commissioning of rail track, systems and five stations. This will include bulk earthworks and retaining, structures, grade separations, roads and drainage.
The post Project Update: Metronet appeared first on Rail Express.
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