M6 Tunnel Rockdale: Ground collapses around tradies as giant sinkhole opens up trends now
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A contractor responsible for the embattled M6 tunnel project has denied there is any connection between two sinkholes which have opened up above the project in just over a week.
Workers were around 12 metres below the surface on Saturday morning when they evacuated from the tunnel after noticing a 'slight movement' in the roof.
Sandy clay began leaking into the tunnel, which is now closed for remediation and investigation.
The subsidence has caused a visible sinkhole on the surface at a site on the airport side of West Botany Street in Rockdale.
The site is around 150m away from another area of the tunnel, which was evacuated on March 1 when a large sinkhole appeared and caused a partial building collapse.
A large sinkhole opened up on a construction site (pictured) on Saturday, with the site set up as part of the ongoing work to build the M6 tunnel in Rockdale in Sydney's south
On Sunday, CPB Contractors tunnelling general manager Glyn Edwards said the two subsidence incidents 'arent linked'.
'They are not connected. They are two totally different types of geotech. They are two separate sites,' he said.
'This one here is wholly contained within the construction site.'
While he acknowledged the
