Prominent Hill Wira Shaft Australia, SA

Location
Prominent Hill, SA

Nearest Town
Coober Pedy, South Australia

Client
Oz Minerals Ltd

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 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.

Byrnecut-prominent-hill-Map

Carrapateena 
Australia, SA

0
employees
0m
shaft diameter
0m
shaft depth
0
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

Carrapateena

Australia, SA

2021 – 2026

active

Wiluna

Australia, WA

2020 – 2024

active

Paddington Gold

Australia, WA

2020 – 2023

active

Cadia – PC2-3

Australia, NSW

2020 – 2022

active

Thunderbox

Australia, WA

2018 – 2024

active

Invincible

Australia, WA

2017 – 2023

active

Capricorn Copper

Australia, QLD

2017 – 2022

active

Carosue Dam

Australia, WA

2017 – 2021

active

Golden Grove – EMR

Australia, WA

2017 – 2022

active

DeGrussa – Monty

Australia, WA

2017 – 2022

active

Challenger #1

Australia, SA

2017 – 2018

completed

Water Tank Hill

Australia, WA

2016 – 2021

active

DeGrussa

Australia, WA

2014 – 2020

active

Challenger #2

Australia, SA

2013 – 2015

completed

Cave Rocks

Australia, WA

2013 – 2014

completed

Gwalia Deeps

Australia, WA

2012 – 2021

completed

George Fisher

Australia, QLD

2012 – 2014

completed

Prominent Hill

Australia, SA

2010 – 2025

active

Athena Mine Site

Australia, WA

2010 – 2019

completed

King of the Hills

Australia, WA

2010 – 2015

completed

Ernest Henry

Australia, QLD

2010 – 2014

completed

Cadia East

Australia, NSW

2010 – 2013

completed

Sinclair

Australia, WA

2010 – 2013

completed

Merlin

Australia, QLD

2010 – 2013

completed

Mariners

Australia, WA

2009 – 2011

completed