Noranda Pacific’s Lady Loretta Zinc-Lead-Silver Mine, QLD

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Noranda Pacific’s Lady Loretta Zinc-Lead-Silver Mine, QLD

Mine Development, Raise Boring, Shotcreting

The Glencore-owned Lady Loretta project is an underground zinc-lead-silver mine located near Mt Isa in north west Queensland.

PYBAR was commissioned at the greenfields infrastructure project in 2011 to provide services ranging from portal establishment to point of readiness for mine production. Production had been scheduled to commence in September 2013 with a production rate of 1.2 million tones per annum.

Development works encompassed six kilometres of development including stockpiles, cross cuts to the ore body, vent drives and diamond drill bays. Development advance rates were budgeted at 214 metres per month.

It was envisioned at the tendering stage that PYBAR would require a second development jumbo on site mid-project. However, due to the team’s ‘over-performance’ with a single jumbo, the second jumbo was not required.


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