Apparently most of it can be upgraded to 5mt p/y at full tilt but as Zedster says you have to allow for maintenance and downtime - according to CDU the upgrade to 5mt will be a decision made in year 5 of operation.
We haven't actually heard if CDU have changed tack on their plan to only run 1 x 12 hour shift per day instead of the normal 2 x 12 at most large scale mines
CDU Price at posting:
$2.27 Sentiment: Hold Disclosure: Not Held