Modern Mining June 2017

MODERN M I N I N G

CONTENTS

JUNE 2017

ARTICLES

REGULARS MINING NEWS 4 Birrell Mining reopens Klipwal gold mine in KZN 5 Redpath breaks record on Impumelelo contract 6 Ball mill and mining fleet arrive at Yanfolila 6 Updated Feasibility Study improves Molo’s metrics 8 Base Resources approves Kwale Phase 2 project 9 New Luika produces first stope ore 10 Savannah completes positive Scoping Study on Mutamba 12 New strategic plan for phosphate mine 14 Mining starts at Gakara’s first production site 16 Discovery of water resource enhances Block 14 project 17 Ivanhoe updates mineral resource estimate for Kakula PRODUCT NEWS 48 Bell and Kobelco forge excavator alliance 49 Producing building materials on site 50 Pioneering technology selected for Oman contract 51 Kubota RTV-X900 delivers underground 52 Process equipment complies with ‘green’standards 53 Becker Mining secures order for Kito chain hoists 54 Containerised substations offer cost savings 56 Johnson provides heavy lift services at Secunda COVER 18 Diversified Minopex looks to double in size COMPANIES 22 Liquidation of BCL leaves Norilsk Nickel in limbo REGIONAL FOCUS – WEST AFRICA 24 PPM appointed to undertake Tongo-Tonguma FEED study 26 Burkina Faso emerges as a gold-mining powerhouse 34 Asanko DFS confirms robust two-stage expansion plan 39 Study indicates favourable economics for Sanaga FEATURE – POWER AND ENERGY EFFICIENCY 42 Dry-type transformers gain traction in Africa with Trafo 44 Energy efficiency can offset the high cost of self-supply

Editor Arthur Tassell Advertising Manager Bennie Venter e-mail: benniev@crown.co.za Design & Layout

Darryl James Circulation Karen Smith Publisher Karen Grant

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Deputy Publisher Wilhelm du Plessis Printed by: Shumani Mills Communications

The views expressed in this publication are not necessarily those of the editor or the publisher.

Published monthly by: Crown Publications cc P O Box 140, Bedfordview, 2008

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Tel: (+27 11) 622-4770 Fax: (+27 11) 615-6108 e-mail: mining@crown.co.za www.modernminingmagazine.co.za

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Cover The primary crusher at a diamond mine. The processing plant at the mine is just one of 15 plants that Minopex, part of the DRA Group, operates under contract. See page 18 for an in-depth story on the com- pany’s activities.

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Average circulation (January–March 2017) 4373

June 2017  MODERN MINING  1