Prominent Hill Wira Shaft Australia, SA

Location
Prominent Hill, SA

Nearest Town
Coober Pedy, South Australia

Client
BHP

Commodity
Copper & Gold

Contract Type
KPI Adjusted Margin Alliance

Contract Duration
September 2021 - June 2024

Scope
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 BHP’s 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 successfully introduced the Herrenknecht VSM shaft sinking system to Australia at Prominent Hill. This mechanised, non-entry system excavated the shaft pre-sink to a depth of 93m.

Following the pre-sink, a pilot hole was constructed from surface to mid-shaft, then another from mid-shaft to shaft bottom. The full 7.5m diameter shaft is constructed using a strip and line methodology.

Prominent Hill is located in the remote arid northern Woomera region of South Australia. Byrnecut operate the mine 365 days per year, 24 hours per day on a fly-in, fly-out basis from Adelaide.

Byrnecut-prominent-hill-Map

Carrapateena 
Australia, SA

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Presink Herrenknecht VSM-00012
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

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