Sibanye Gold Limited: Driefontein Operations Integrated Water and Waste Management Plan
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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. Absolutely no part of this report may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written consent of Kongiwe Environmental (Pty) Ltd. All content and methodologies remain intellectual property of Kongiwe Environmental (Pty) Ltd. Where applicable, the contents of this document are confidential and protected by legal privilege and must not be distributed to other parties without prior written permission. 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 .........................................................................................................................