SIBANYE GOLD LIMITED: DRIEFONTEIN OPERATIONS INTEGRATED WATER AND WASTE MANAGEMENT PLAN DRAFT INTEGRATED WATER AND WASTE MANAGEMENT PLAN 20 November 2020 Draft Integrated Water and Waste Management Plan Project: Driefontein Operations IWWMP Report Title: Amendment of the Driefontein Operations IWWMP, Gauteng Province Client: Sibanye Gold Limited Project No: SIBY#005 Compilation Date: 20 November 2020 Status of Report: Draft IWWMP for Public Review Verification Capacity Name Signature Date By Author The EAP Gerlinde Wilreker 19 October 2020 Reviewed Legal Michael Hennessy 05 October 2020 by: Director Authorised Chief Bradly Thornton 19 November 2020 by Executive Approved Client Simone Liefferink by Copyright © 2020 Kongiwe Environmental (Pty) Ltd All rights reserved. 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This report is to be used for the sole purpose intended and should not be used for any other purpose without prior written permission Page | Driefontein Operations IWWMP © 2020 Kongiwe Environmental (Pty) Ltd Table of Contents CHAPTER 1: INTRODUCTION ................................................................................................................ 1 1.1 Activity Background ...................................................................................................................... 1 1.2 Regional Setting and Location of Activity ..................................................................................... 1 1.3 Property Description ..................................................................................................................... 1 1.4 Purpose of the IWWMP .............................................................................................................. 11 1.5 Applicant Details ......................................................................................................................... 11 CHAPTER 2: CONCEPTUALISATION OF THE ACTIVITY ........................................................................... 12 2.1 Project Description ...................................................................................................................... 12 2.2 Extent of Activity ......................................................................................................................... 14 2.3 Key Activity Related Processes and Products ............................................................................. 16 2.3.1 Mining Method ................................................................................................................... 16 2.3.2 Processing Facilities ............................................................................................................ 19 2.3.3 Rehabilitation ...................................................................................................................... 19 2.3.4 Water Treatment ................................................................................................................ 20 2.3.5 Key Water Uses and Waste Streams ................................................................................... 20 2.4 Organisational Structure of Activity ............................................................................................ 23 2.5 Business and Corporate Polices .................................................................................................. 24 CHAPTER 3: REGULATORY WATER AND WASTE MANAGEMENT FRAMEWORK .................................... 26 3.1 Legislative Setting ....................................................................................................................... 26 3.1.1 The National Water Act, 1998 (Act No 36 of 1998) ............................................................ 26 3.1.2 National Water Act Regulations and Guidelines ................................................................. 26 3.1.3 Aide Memoire 2006 Guidelines ........................................................................................... 26 3.1.4 GN2834 ............................................................................................................................... 26 3.1.5 GN991 ................................................................................................................................. 27 3.1.6 WRC (Volumes 1 – 5) –Sludge Guidelines ........................................................................... 27 3.1.7 Department of Health 11/2/5/513: Irrigation Guidelines ................................................... 28 3.1.8 National Environmental Management: Waste Act ............................................................. 28 3.1.9 GN704 ................................................................................................................................. 30 3.1.10 GN1560: Dams with a Safety Risk ....................................................................................... 30 3.2 Section 21 Water Uses ................................................................................................................ 30 3.3 Existing Lawful Water Uses ......................................................................................................... 41 3.4 GN704 Exemptions and GNR509 General Authorisations .......................................................... 41 3.5 Generally Authorised Water Uses ............................................................................................... 46 3.6 Possible New Water Uses to be Licenced ................................................................................... 46 3.7 Water Uses to be Amended ........................................................................................................ 46 3.8 Waste Management Activity (NEMWA) ..................................................................................... 52 3.9 Waste Related Authorisations .................................................................................................... 52 3.10 Other Authorisation (EIAs, EMPs, RODs, Regulation) ................................................................. 52 CHAPTER 4: PRESENT ENVIRONMENTAL STATUS ................................................................................ 53 Page | i Driefontein Operations IWWMP © 2020 Kongiwe Environmental (Pty) Ltd 4.1 Climate ........................................................................................................................................ 53 4.1.1 Regional Climate ................................................................................................................. 53 4.1.2 Evaporation ......................................................................................................................... 53 4.1.3 Rainfall ................................................................................................................................ 55 4.1.4 Incidence of Extreme Weather Conditions .......................................................................... 58 4.2 Topography ................................................................................................................................. 58 4.3 Geology ....................................................................................................................................... 60 4.3.1 Witwatersrand Supergroup................................................................................................. 60 4.3.2 Ventersdorp Supergroup ..................................................................................................... 61 4.3.3 Transvaal Supergroup ......................................................................................................... 61 4.3.4 Karoo Supergroup ............................................................................................................... 61 4.3.5 Structural Geology .............................................................................................................. 62 4.3.6 Ionizing Radiation ............................................................................................................... 67 4.4 Soils, Land Use, and Land Capability ........................................................................................... 69 4.4.1 Soils ..................................................................................................................................... 69 4.4.2 Pre-Mining Land Capability ................................................................................................. 72 4.4.3 Land Use .............................................................................................................................. 73 4.5 Biodiversity ................................................................................................................................. 74 4.5.1 Flora .................................................................................................................................... 74 4.5.2 Animal Life .........................................................................................................................