- Some upgrades and oversizing of key plant components have also resulted in the capex increases. For example, both the leaching reactor vessel and the silica filtration press 
- An Outotec oven will be ordered and received very shortly to replace the smaller and less efficient Harper ovens. This is understood to be the main component of the $15mm net capex increase. 
Orbite points to 3 items as upgrades and oversizing of key plant components . The leaching reactor vessel , the silica filtration press and an Outotec oven at a cost of 25 million ?  That is 50% of the entire original plant cost ?  Does that not seem a bit extreme when outside looking in ? After all 20% cost overruns are almost expected