Prominent Hill, SA
Coober Pedy, South Australia
Oz Minerals Ltd
Copper & Gold
KPI Adjusted Margin Alliance
September 2021 - June 2024
Presink, raisebore, strip and concrete line haulage shaft at a 7.5m diameter to a depth of 1,330m below surface.
Byrnecut has been involved at OZ Minerals’ Prominent Hill underground mine since cutting the portal in 2010.
Byrnecut has completed in excess of 80 kilometres of development and produced over 20 million tonnes of copper-gold ore. The project successfully transitioned to an Alliance style contract in 2020.
Byrnecut undertake all underground activities at Prominent Hill including development, longhole drilling and charging, paste fill, stope bogging and fibrecrete batching & application.
The Wira Haulage Shaft is designed to handle 6Mtpa from 1290m below surface.
Byrnecut are introducing the Herrenknecht VSM shaft sinking system to Australia at Prominent Hill. This mechanised, non-entry system will allow the shaft pre-sink to a depth of 93m.
Following the pre-sink, a pilot hole will be constructed from surface to mid-shaft, then fro mmid-shaft to shaft bottom. The shaft ill then be constructed using a strip and line methodology.
Prominent Hill is located in the remote arid northern Woomera region of South Australia, and is accessed by gravel all weather road and air transport. Byrnecut operate the mine 365 days per year, 24 hours per day on a fly-in, fly-out basis from Adelaide. The company employs over 400 people with the majority residing in SA.
|Raise Drill||Robbins 123RHc|
|Stage Winders||4 x 55kW Timberland Electric Winders|
|Kibble Winder||1200kW Double Drum|
|Sinking Stage||5 Deck purpose designed Sinking Stage|