Perkoa
| Ore reserves |
6.3 mt |
| Ore per vertical metre |
10,000 t |
| Plant throughput |
525,000 tpa |
| Head grade |
14.5% Zn |
| Zn recovery |
92% |
| Concentrate production |
130,000 tpa |
| Concentrate grade |
53% |
| Metal production |
68,000 tpa Zn |
- Construction at the Perkoa Zinc mine commenced in March 2007 following the grant of an exploitation licence for mining purpose.
- The development of the box cut was completed in June 2007, which forms the main entry point to commence development of the portal and decline.
- Key project partners have been appointed:
- Byrnecut Mining - Managing contractor for the construction and mining of the underground mine;
- DRA Mineral projects - Engineering, Procurement and Construction Manager for plant and infrastructure;
- Xstrata Zinc, Votarantim Metais and Boliden - Concentrate off-take partners;
- Letters of intent signed by offtake partners, Xstrata Zinc and Boliden;
- Banlaw Africa – Construction and surface civil infrastructure;
- Bollore – Transport logistics of ore from site to Port of Adidjan;
- Outotec (formerly Outokumpu) – Manufacture and supply of Perkoa mill, flotation cells and thickener units;
- Sandvik – Manufacture and supply of Axera 7 drilling ‘jumbo’ used for the development of the underground mine workings;
- SHELL – Supply and management of fuel facility;
- Caterpillar – Supply of diesel generated power station;
- Caterpillar – Manufacture of underground mining equipment;Sandvik – Supply of crushing and grinding;
- African Explosives Limited – Supply and management of explosive;
- National and Overseas Modular Buildings – Supply of offices, accommodation and changeroom facilities;
- Allterrain Services Group – Catering and camp management;
- SOS International – Medical, Emergency and Evacuation;
- West African Drilling Services/Boart Longyear – Exploration drilling contractors;
- TOYOTA – Supply of site vehicles.
The project is being progressed towards the first ore being mined in 2008 and zinc concentrate exports expected in 2009