Iconic Sydney Harbour park at Blues Point to host Metro drilling
DRILLING rigs will bore holes down to about 40 metres at Blues Point Reserve as part of the geotechnical work for the Sydney Metro project.
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BLUES Point Reserve is set to host geotechnical investigations for the Sydney Metro project with work to begin on Monday and to last for up to a week.
Transport for NSW advised the work will see a rig drilling boreholes down to depths of about 40 metres below to investigate the ground and groundwater conditions.
“Geotechnical investigations are currently being undertaken between Chatswood and Bankstown and are required as part of early and design work for the project,” a Transport for NSW spokeswoman said.
The temporary site, at the corner of Henry Lawson Ave and Blues Point Rd, will be established with security and fencing. Vacuum excavation trucks will remove spoil from the site.
A number of car parking spaces will be temporarily removed on Blues Point Road to allow access to the worksite.
This is to allow for the set up and removal of the drilling equipment, a community leaflet said.
Noise from the works is expected to be minimal and most of the geotechnical investigations will happen during the day.
A borehole drilled in the park will also be used over the next six months for groundwater monitoring. The water sampling will happen once a month and involves using a pump to extract water from the standpipe.
The Sydney Metro project will see a new rail line crossing the city. There will be a crossing under the harbour and new stations in North Sydney and Crows Nest.
When construction is at an advanced stage the park at Blues Point will be opened up.
A shaft is planned to allow for the removal of tunnel boring machines.
Investigations have found a series of rock fractures and sediments along the planned path under the harbour, which means a specialised machine is required.
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