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Bakubung platinum-group metals project, South Africa

25th January 2013

By: Creamer Media Reporter

  

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Name and Location
Bakubung platinum-group metals (PGMs) project, Bushveld Complex, South Africa.

Client
JSE-listed Wesizwe Platinum.

Project Description
The Bakubung platinum project, formerly known as the Frischgewaagd-Ledig project, will entail the construction of a PGM mine on Wesizwe Platinum's core assets, on the farm Frischgewaagd portions 3, 4 and 11, and on the farm Ledig portions 1 and 2.

The project will consist of an underground mine and a surface concentrator plant and takes into account the establishment of all surface infrastructure, servitudes for bulk power and water supply, the sinking and equipping of ventilation and main shafts, the associated underground infrastructure, the ancillary excavations and the access development to establish a footprint for full production.

The proposed access to the orebody will be through the sinking of an independent twin vertical-shaft system. This will comprise a 1 000-m-deep, 8.5-m-diameter downcast men-and-materials and hoisting shaft, as well as a 930-m-deep upcast ventilation shaft of 7.5 m diameter. The shafts will be strategically positioned to provide the most effective access to both reef horizons.

The mine is specifically designed for optimum flexibility in terms of mining method (conventional, mechanised or hybrid) and allows for fast production build-up to enhance shareholder value in the project.

Further, the intention is to build the concentrator plant in three modules that are interchangeable between Merensky and upper group two (UG2) of initially 2 x Merensky and 1 x UG2, reversing this configuration when the mine becomes predominantly UG2 in the latter years of its production programme. This will allow for considerable flexibility in grading the different ores and ensure optimum PGM recoveries. The design includes a primary one-stage crushing into a semiautogenous mill with a mill-float-mill-float circuit.

The project has an estimated life-of-mine of 35 years at a production rate of 230 000 t/m, producing an average of 350 000 oz/y of platinum-group elements during steady state production. This production rate is a major improvement on the 180 000 t/m envisaged during the prefeasibility study stage and reflects the underlying quality and size of the orebody, as well as the extent of the proposed mine.

Value
The capital cost estimate for the project is forecast at R7.9-billion, which, with expected inflation and cost escalation, is expected to rise to R12-billion.

Duration
Main commissioning is scheduled for 2018 and full production is expected in 2023.

Latest Developments
The China Development Bank (CDB) has approved a $650-million loan for the development of the Bakubung platinum mine project.

Part of the loan will be used to refund two separate $100-million short-term loans, which CDB and Wesizwe Platinum signed in December.

Wesizwe Platinum agreed to the financing deal with Jinchuan, of China, and the China-Africa Development Fund in 2011, when the China-Africa Jinchuan Investment consortium paid $227-million for 45% of Wesizwe Platinum and undertook to provide $877-million in funding for the Bakubung platinum mine project.

Key Contracts and Suppliers
Qinisele Resources (corporate adviser); TWP Projects (feasibility study and contractor Phase 1); Scribante Construction (earthworks and civil work Phase 1); Benco Engineering (blasting); Blast Management & Consulting (blast monitoring); Eskom (power supply); Liviero (civil earthworks and concrete) and Aveng Grinaker-LTA Mining (shaft-sinking contract).

On Budget and on Time?
Wesizwe Platinum remains confident that the project will progress on schedule, with first production expected in 2017/18. However, the cost of the project is expected to escalate from R7.9-billion to R12-billion.

Contact Details for Project Information
Wesizwe Platinum, tel +27 11 994 4600, fax +27 11 944 4601 or email manie@wesizwe.com; or company secretary Sirkien van Schalkwyk, email Sirkien@wesizwe.com; or spokesperson Tracey Peterson, cell +27 83 408 7173 or email tracey@simplysaid.co.za.
JNMC, tel +86 935 8811111 or fax +86 935 8811612.
Scribante Construction, tel +27 11 466 9232, fax +27 11 466 9233 or email office@scribanteconstruction.co.za.
TWP Projects, tel +27 11 218 3000, fax +27 11 218 3100 or email twpinfo@twp.co.za; or MD Digby Glover, email dglover@twp.co.za.
Aveng Grinaker-LTA, +27 11 578 6000 or fax +27 11 578 6161.

Edited by Creamer Media Reporter

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