Inspections have confirmed that the existing ground support was effective in preventing damage to infrastructure, with only localized damage to the roadways and ground support near the junction of two extraction drives, and minor ground support damage to a nearby ventilation raise.
Newcrest has been working with the New South Wales Government Resources Regulator. A Prohibition Notice has been established around the affected area only. A geotechnical report will be sent by Newcrest to the Regulator today for approval to commence rehabilitation activities in the affected area.
Surface operations have not been affected by this Prohibition Notice, nor have other areas of the Cadia East mine, and there have been no impacts to PC2-3 development activities.
Newcrest says the replacement of the SAG mill motor for Concentrator 1 began on July 5, as originally planned.
The seismic event is expected to have no impact to gold or copper production in fiscal year 2022.
(This article first appeared in the Canadian Mining Journal)
