Modernising Agreements and Transition to Renewables
Mine productivity to mitigate higher work index
The work index of our mining operations is increasing
Material movement (Bt)
Effective flat haul* (km)
Work index (Bt.km)
Below water table mining (%)
X
1.4
15
21
14
42%
1.2
17
1.0
11
36%
33%
12
2018
2021F
2024F
2018
2021F
2024F
2018
2021F
2024F
2018
2021F
2024F
Initial gains in productivity - targeting further improvement
Truck EU (Index 2018 = 100)
Payload (Index 2018 = 100)
Digger MTBF (Index 2018 = 100)
Dewatering** (Index 2018 = 100)
115
100
105
100
105
106
126
135
117
109
100
100
2018
2021F
2024F
2018
2021F
2024F
2018
2021F
2024F
2018
2021F
2024F
*Average haul distance travelled by each truck - adjusted for gradient | ** Dewatering volumes increase as pit deepens | EU = Effective utilisation, MTBF = Meantime between failure
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