Modern Mining June 2019

MODERN M I N I N G

CONTENTS

JUNE 2019

ARTICLES

COVER 18 Osborn celebrates its centennial COMPANIES 22 Acquisition a major boost toWorley’s mining business REGIONAL FOCUS: WEST AFRICA 26 Wahgnion in its final phase of construction 30 Cardinal targets an uplift in gold recoveries at Namdini 34 Sanbrado gold project moves into execution 38 Mako gold mine turns in a “superb” performance FEATURE: POWER SUPPLY AND ENERGY EFFICIENCY 40 Kibali demonstrates the power of hydro 44 Hybrid power solutions gain traction in mining SAFETY 48 Dräger completes order for long-duration self-rescuers Commissioning of Uis processing plant underway 10 Hummingbird prepares updated LoM plan for Yanfolila 11 Lucapa continues the hunt for source of Lulo alluvials 12 Pan African’s gold production on the increase 13 Thorny River bulk sampling delivers diamonds 14 Construction of Kakula copper mine now in full swing 16 Thor signs EPC contract for Segilola processing plant 17 Tiris project delivers first samples of yellowcake PRODUCT NEWS 50 Orica releases automated fragmentation measurement system 50 Even cleaner coal with Multotec’s X10 spiral 51 World’s largest platinummine saves withWarman® pump 52 Slogging Hammer andWheel Slogger upgraded 53 Largest-ever stator rewind completed without a hitch 54 Multipurpose drill rig launched by Sandvik 54 Ecotails™ promises environmental bonanza for mines REGULARS MINING NEWS 4 Kenmare Resources approves project to moveWet Concentrator Plant 6 7 8 Boipelo wins New Clydesdale mining contract New Volvo A60H hauler on show in Botswana

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

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

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Publisher of the Year 2018 (Trade Publications)

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Cover An Osborn 44 Cone Modular installed in Kazakhstan. See page 18 for a full story on Osborn, which is celebrating its 100th anniversary this year.

55 Mobile water station ideal for mines 56 Anchor customised for mining client

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Average circulation (January–March 2019) 5339

June 2019  MODERN MINING  1