Mernda Rail Project factsheet: Rail corridor power upgrades
16 Mar 2018
Powering trains to Mernda
The Mernda Rail Extension Project includes eight kilometres of new rail line and three state-of-the-art stations at Marymede, Hawkstowe and Mernda. These three new stations are expected to cater for up to 8000 commuters a day, helping to ease congestion along Plenty Road. Power upgrades will be required along the rail corridor to make it possible for trains to run beyond South Morang in early 2019.
Melbourne’s trains are powered by an extensive network that needs to be upgraded when train lines are extended. This means improving existing power supplies and adding more where needed.
As part of the Mernda Rail Extension Project, new electrical substations will be installed to operate trains, signals and communication equipment. Overhead wiring structures will also be installed along the rail corridor between Epping Station and the new Mernda Station.
Epping to South Morang (existing rail corridor)
The project will install concrete power poles along the southern side of the rail corridor from Epping to South Morang. These above-ground poles will support the new power infrastructure from South Morang to Mernda. Each pole will be up to 13 metres high from ground level and wiring will be strung from one to another.
The current electrical substations at Epping and South Morang stations will also be upgraded.
South Morang to Mernda (new rail corridor)
The project will install new steel overhead power structures along both sides of the rail corridor from South Morang to Mernda. Each structure will be up to 13 metres high from ground level and wiring will be strung from one to another.
Substations will also be constructed at the new state-of-the-art Hawkstowe and Mernda stations.
A Digital Train Radio System (DTRS) tower will be included at Marymede and Mernda stations to provide reliable communication to the rail control system.
Are there any emissions?
Electromagnetic emissions or fields (EMF) are a natural by-product of electricity and occur around all electrical items, including those in our homes. These power structures and substations are designed to ensure they are within the safe limit recommended by the Australian standards and guidelines.
Works between Epping and South Morang will generally occur at night when trains are not operating. Works on the new rail corridor to Mernda will occur during the day.
The scope of the work includes:
- site preparation
- foundation piling
- delivery and installation of structures
- power network connections
- testing and commissioning.
Importantly, local power supply will not be disrupted as part of these works.
During construction, you may hear some noise as the works take place progressively between Epping and Mernda. The project team will provide advance notice of activities likely to cause disruption near residents.
At times during works, sections of the existing walking and cycling paths along the rail corridor between Epping and South Morang will be temporarily closed. Pedestrian detour routes will be in place where possible.
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