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Metro Tunnel

Building Parkville Station

Work is underway on Grattan Street to build Parkville Station.

A 30-metre deep station box is excavated using a construction method called the 'bottom up' approach. This approach involves excavating the box down to its maximum depth, construction and fit out of the station, followed by the installation of mechanical and electrical equipment required to operate the station. The road surface is then reinstated over the top once the station is complete.

Construction activities

Construction of Parkville Station will take around five years. Key construction activities include:

  • Preparatory works, including tree protection and removal and the relocation of underground services such as telecommunications, water, sewer, gas and electricity.
  • Road closures and site establishment.
  • Piling and excavation of the station box and tunnels.
  • Structural works and entrance connections.
  • Tunnel boring machine pull-through and retrieval.
  • Architectural, mechanical and electrical fit out.
  • Track works and the installation of signalling, safety and communications systems.
  • Site remediation including landscaping and public realm works.
  • New road layout.

Environmental Performance Requirements (EPRs) have been developed in consultation with key stakeholders throughout the planning process to avoid, reduce or manage construction impacts in Parkville. Find out more about how we are managing construction impacts across the project.

Parkville construction map

Excavation

Excavation of the station box is underway and expected to continue until early 2020.

A construction method called ‘bottom up’ is being used, which involves excavating the box down to its maximum depth, construction and fit out of the box, followed by the installation of mechanical and electrical equipment required to operate the station.

The excavated space will be up to 32 metres below ground and around 270 metres long.

A temporary deck has been installed over the work site to minimise noise and dust impacts while excavation is carried out underneath.

Excavation is completed in three stages:

Stage 1:

  • Open excavation to a depth of up to three metres and installation of a temporary deck and gantry cranes starting from the eastern end of the Grattan Street work site near Leicester Street and moving toward Royal Parade.
  • The deck will be installed over the site and will minimise noise and dust impacts while excavation is carried out underneath.

Stage 2:

  • Closed excavation
  • Trucks will enter the site and travel down a ramp to an excavator where they will be loaded with stockpiled soil and rock.
  • The excavated material will be transported via arterial roads to an approved site and managed in accordance with Environment Protection Authority and WorkSafe Victoria guidelines.

Stage 3:

  • Once the excavation reaches a depth of 15 metres, it will be too deep for trucks to enter and exit.
  • Two small acoustic enclosures, approximately 8 metres high, 10 metres long and 5 metres wide, will be constructed to allow trucks to drive in and be loaded with excavated soil and rock from gantry cranes.
  • Mucking buckets from the gantry cranes will be lowered through access holes in the deck, filled with excavated soil and rock and then lifted into the acoustic enclosures to be loaded into waiting trucks.
  • When the excavated soil and rock is released, the trucks will be fully enclosed in the acoustic enclosures by sealed doors and roof panels to minimise noise and dust impacts at surface level.

For more information, view the Excavation at Parkville Fact Sheet (PDF, 1.1 MB).

Truck movements and routes during excavation

During excavation, the primary truck route will be via Flemington Road, around Haymarket roundabout, left into Pelham Street and into the former City Ford site where trucks will wait to be called to the Grattan Street work site.

The truck waiting bay reduces the time trucks spend idling on local roads. When called to site, trucks will enter via Berkeley Street. The primary exit route will be via Barry Street, Pelham Street, into the City Ford site before heading out along Flemington Road. Alternative truck routes such as using Royal Parade and the eastern end of the site may also be used at various times during excavation.

An average of between 60 and 70 truck movements a day are expected into the Grattan Street site during the excavation stage.

Several measures have been implemented to manage noise and environmental impacts associated with truck movements, including fitting vehicles with broadband reversing beepers, training staff on noise reducing behaviours, turning trucks off when not in use and ensuring all trucks use the designated wheel wash prior to leaving site.

Trucks will enter and exit the City Ford site 24 hours a day for State Library Station construction. All truck movements will comply with the Metro Tunnel Project’s EPRs. It is estimated that up to 200,000 cubic metres of soil and rock will be removed from the site by the time excavation is complete.

Piling works

We have installed more than 500 piles around Grattan Street, between Royal Parade and Leicester Street, to support the station structure and enable workers to safely carry out excavation underground. These works started in May 2018 and were completed in December 2018. For more information about these works, click here to view the Piling at Parkville factsheet.

Demolition of City Ford site

Demolition of the City Ford site on the corner of Elizabeth and Pelham streets is now complete.

The site will be used as a construction laydown and holding area for trucks for the Parkville and State Library stations.

The dedicated holding area reduces the time trucks need to spend idle on local roads while waiting to access the Grattan Street and State Library work sites.

Access for pedestrians and cyclists will be maintained around the site, however at times localised diversions will be in place.

Trams and buses will continue to run as normal.

Heritage removals

Applications for the removal of a number of heritage listed items were lodged early in 2018 with Heritage Victoria. This was to protect the sensitivities and infrastructure of heritage listed items in close proximity to the Parkville Station construction site.

Permits were received in mid 2018 to remove the following infrastructure to enable piling and excavation of the Parkville Station to commence:

  • Bluestone kerb and channel at the intersection of Grattan Street and Royal Parade. Also included in this work will be the removal of the corner post, fence and bluestone wall from within University of Melbourne land
  • Existing vegetation within Gatekeeper’s Cottage, heritage registered land
  • University of Melbourne’s main gates, pillars and a portion of the fence (Gate 10).

The removal and storage of all heritage listed items was overseen by a Heritage Victoria approved Heritage Conservation Consultant and carried out by a suitably qualified heritage removal specialist.

All heritage listed items will be returned and reinstated at the completion of the Metro Tunnel construction. Heritage interpretation information will be installed on the fencing, in line with Heritage Victoria permit requirements.

Site establishment activities

Activities to establish the site for piling and excavation of the station box include:

  • Installation of pedestrian ramps in Barry, Berkeley and Grattan streets to assist with pedestrian access.
  • Installation of covered pedestrian walkways and six metre timber hoardings along the north and south side of the site in order separate site activities and pedestrian movements
  • Installation of 2.4 metre high timber hoarding around the site perimeter
  • Removal of heritage listed assets.
  • Installation of worksite drainage.
  • Non-destructive drilling to locate services and soil sampling along Grattan Street, within the work site.
  • Removal of street furniture and above ground assets.
  • Installation of site facilities in Barry Street.
  • Installation of an electrical kiosk substation to supply power to the site during construction.
  • Completing installation of groundwater monitoring wells in Royal Parade, Pelham Street, Lincoln Square North, Berkeley Street, University of Melbourne’s Gate 10.
  • Tree removal to prepare the site for construction. Trees will be removed from within the site boundary. Fauna inspections have been undertaken and a qualified and experienced fauna handler will be on site for all tree removals.
  • Preparation of a hardstand for piling rigs which involves excavators to place crushed rock and rollers to compact the ground.

Managing impacts in Parkville

Environmental Performance Requirements (EPRs) have been developed in consultation with key stakeholders throughout Metro Tunnel's planning process to avoid, reduce or manage construction impacts in Parkville. Find out more about managing construction impacts.