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.
Carrapateena
Australia, SA
0
employees0m
shaft diameter0m
shaft depth0
duration| 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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