African Minerals, the developer and operator of the Tonkolili iron ore mine in Sierra Leone,on Monday, announced the appointment of Ausenco Limited, as the engineer for the Front End Engineering Design (FEED) for Phase II.
This comes  ahead of its Phase II iron ore production.

The expansion, which is expected to produce up to 35Mtpa (million tonnes per annum) of 64% high grade iron ore (hematite concentrate), would also see the development of the current port facilities at Pepel by 2016.

https://awoko.org/2014/02/19/sierra-leone-news-aml-prepares-for-phase-ii/