Yes I believe so , they can’t just start sending ore from OC , they have to go through the right path ....this is from this ann :
“ Full metallurgical test work is expected to commence shortly following preliminary test work undertaken on site.
Geotechnical and hydrological work is expected to commence in late June with an estimated completion time of three to four months.
Initial pit optimisation work is expected to commence late October subject to positive modelling and financial analysis.
These activities are focused on integrating ore supply from Ohio Creek to support feed from the existing Smarts, Larken and Spearpoint pits.
Environmental and mining licencing approvals remain on track. “