Investor Presentaiton
Developments at Gwalia in FY15
> New absorption chiller plant
utilises waste heat from power
plant
> Deep HV Cable drop to 1,400 mbs
> New mining techniques improve
production and efficiency
Ore Pass system: increases efficiency
of trucking and bogging
Stopes on level available to be
exploited via ore pass
6
1
St Barbara
LIMITED
Upgraded Cooling System
5
3
8
1420 MM
Underground waste
storage: allows
greater proportion of
trucking to surface to
be for ore.
Paste filled stope
Continuous bogging of
stopes to ore pass, with
daily rate of ore pass
evacuation exceeding
potential rate of filling
Loading of trucks at base of
ore pass decoupled from
stope bogging activity on the
level above
14 Asia Investor Relations Roadshow / March 2016
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