Mindarie Mineral Sands Project Mindarie C and A(2)
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Mindarie Mineral Sands Project Mindarie C and A(2) Program for Environment Protection and Rehabilitation (PEPR) 7 December 2011 Murray Zircon Pty Ltd Parsons Brinckerhoff Australia Pty Limited ABN 80 078 004 798 Level 16 1 King William Street Adelaide SA 5000 GPO Box 398 Adelaide SA 5001 Australia Telephone +61 8 8405 4300 Facsimile +61 8 8405 4301 Email [email protected] Certified to ISO 9001, ISO 14001, AS/NZS 4801 11-0773-06-2162559A A+ GRI Rating: Sustainability Report 2010 Revision Details Date Amended By 00 Original 30 September 2011 A Joubert 01 Working Draft 12 October 2011 J Wolfersberger 02 Working Draft 21 October 2011 J Wolfersberger 03 Working Draft 23 November 2011 J Wolfersberger 03 Working Draft 24 November 2011 P Gibbons 04 Working Draft 25 November 2011 P Gibbons 05 Working Draft 2 December 2011 P Gibbons 06 Draft 6 December 2011 P Gibbons 07 Draft 7 December 2011 A Eadie ©Parsons Brinckerhoff Australia Pty Limited [2011]. Copyright in the drawings, information and data recorded in this document (the information) is the property of Parsons Brinckerhoff. This document and the information are solely for the use of the authorised recipient and this document may not be used, copied or reproduced in whole or part for any purpose other than that for which it was supplied by Parsons Brinckerhoff. Parsons Brinckerhoff makes no representation, undertakes no duty and accepts no responsibility to any third party who may use or rely upon this document or the information. Author: Jean Wolfersberger ........................................................................ Signed: ........................................................................................................ Reviewer: Alex Eadie ...................................................................................... Signed: ........................................................................................................ Approved by: Paul Gibbons .................................................................................. Signed: ........................................................................................................ Date: 7 December 2011 ........................................................................... Distribution: MZ, Parsons Brinckerhoff .............................................................. Please note that when viewed electronically this document may contain pages that have been intentionally left blank. These blank pages may occur because in consideration of the environment and for your convenience, this document has been set up so that it can be printed correctly in double-sided format 11-0773-07-2162559A Mindarie Mineral Sands Project – Mindarie C and A(2) – Program for Environment Protection and Rehabilitation (PEPR) Contents Page number Acronyms ix 1. Introduction 1 1.1 Project history 1 1.2 Program for Environment Protection and Rehabilitation 2 1.2.1 Objectives and context 2 1.2.2 Structure and content of PEPR 3 2. Proponent details 5 2.1 Project proponent 5 2.2 Project location and mining tenements 5 2.3 Local government 6 3. Legislative requirements 7 3.1 South Australian legislation 7 3.1.1 Mining Act 1971 7 3.1.2 Natural Resources Management Act 2004 8 3.1.3 Environment Protection Act 1993 9 3.1.4 Development Act 1993 11 3.1.5 Native Vegetation Act 1991 11 3.1.6 National Parks and Wildlife Act 1972 11 3.1.7 Other relevant State legislation 12 3.2 Australian government legislation 15 3.2.1 Environment Protection and Biodiversity Conservation Act 1999 15 3.2.2 Other relevant Commonwealth legislation 15 3.3 National policies and strategies 15 4. Existing environment 17 4.1 Land use and proximity to housing and infrastructure 17 4.2 Noise, dust and air quality 18 4.2.1 Air quality 18 4.2.2 Noise 18 4.3 Topography and landscape 20 4.4 Climate 20 4.4.1 Rainfall, humidity, evaporation and wind 20 4.4.2 Temperature 21 4.5 Geohazards 22 PARSONS BRINCKERHOFF 11-0773-07-2162559A Page i Mindarie Mineral Sands Project – Mindarie C and A(2) – Program for Environment Protection and Rehabilitation (PEPR) Contents (Continued) Page number 4.6 Geology and soils 23 4.6.1 Regional geology 23 4.6.2 Local geology 24 4.6.3 Soil 24 4.7 Surface water 29 4.8 Groundwater 29 4.8.1 Regional 29 4.9 Fauna and flora 31 4.9.1 Flora 31 4.9.2 Mindarie A(2) 35 4.9.3 Fauna 36 4.9.4 Pest plants and animals 38 4.10 Heritage 39 4.10.1 Indigenous heritage 39 4.10.2 Non-Indigenous heritage 40 4.11 Proximity to conservation areas 41 4.12 Pre-existing site contamination and disturbance 41 4.13 Socio-economic 41 4.14 Transport and traffic 42 5. Project description 43 5.1 General description and summary 43 5.1.1 General 43 5.1.2 Project schedule 45 5.1.3 Project alternatives 45 5.2 Resources, products and markets 48 5.2.1 Geological environment 48 5.2.2 Total operations ore reserves 48 5.2.3 Production rate, products and market 51 5.2.4 Material movement 51 5.3 Mining operations 52 5.3.1 General mine sequence 52 5.3.2 Site clearance 53 5.3.3 Native vegetation, topsoil and subsoil removal and stockpiling 53 5.3.4 Overburden removal and stockpiling 54 5.3.5 Mine pit details 55 5.3.6 Ore recovery 56 5.3.7 Slurry unit 57 Page ii 11-0773-07-2162559A PARSONS BRINCKERHOFF Mindarie Mineral Sands Project – Mindarie C and A(2) – Program for Environment Protection and Rehabilitation (PEPR) Contents (Continued) Page number 5.4 Processing 58 5.4.1 Primary concentrator plant 58 5.4.2 Process description 58 5.4.3 PCP components 59 5.4.4 Hours of operation 63 5.5 Tailings 63 5.5.1 Tailings characterisation 63 5.5.2 Tailings discharge 63 5.5.3 Tailings management 64 5.5.4 Tailings associated components 64 5.6 Sequence of mining and rehabilitation operations 65 5.6.1 Mining direction 65 5.6.2 Mining sequence and scheduling 65 5.6.3 Production schedules and annual production 65 5.7 Supporting mine infrastructure 65 5.7.1 Electricity 65 5.7.2 Pipelines 66 5.7.3 Ancillary infrastructure 67 5.7.4 Fuel storage 67 5.8 Road access and transport 68 5.9 Water management 68 5.9.1 Water supply 68 5.9.2 Mine water and tailings decant 71 5.9.3 Process water and tailings decant 71 5.9.4 Site run off/silt control and drainage 72 5.10 Waste and hazardous material management 74 5.10.1 Tailings/processing waste 74 5.10.2 Commercial and industrial waste 74 5.11 Stockpiles management 75 5.11.1 Topsoil and subsoil 75 5.11.2 Overburden 76 5.11.3 Heavy mineral concentrate 76 5.12 Construction 77 5.12.1 PCP relocation works 77 5.12.2 Access 77 5.12.3 Accommodation 77 5.13 Modes and hours of operation 78 5.14 Visual screening and site security 78 5.15 Plant and machinery requirements 78 PARSONS BRINCKERHOFF 11-0773-07-2162559A Page iii Mindarie Mineral Sands Project – Mindarie C and A(2) – Program for Environment Protection and Rehabilitation (PEPR) Contents (Continued) Page number 5.16 Resource inputs 79 5.16.1 Workforce details 79 5.16.2 Energy sources 80 5.17 Water sources 80 5.18 Mine completion and rehabilitation 80 5.18.1 Management of overburden 81 5.18.3 Rehabilitation 81 5.19 Mindarie A(2) and former Mindarie C rehabilitation 82 5.19.1 Planned rehabilitation works 82 6. Stakeholder consultation 85 6.1 Identified stakeholders 85 6.2 Australian Zircon stakeholder consultation 86 6.2.1 Murray Mallee Community Consultative Committee (Mineral Sands) 87 6.2.2 Aboriginal liaison 88 6.2.3 Consultation on the Mindarie C project by AZ 88 6.3 Stakeholder consultation during administration 89 6.4 Murray Zircon stakeholder consultation 89 6.4.1 Approach 89 6.4.2 Consultation to date 89 6.4.3 Ongoing consultation 94 7. Environmental outcomes 97 7.1 Background 97 7.1.1 Control and management strategies 97 7.1.2 Outcomes measurement criteria 98 7.1.3 Monitoring 98 7.1.4 Environmental outcomes and measurement criteria 98 7.2 Mindarie C (ML 6226) and Mindarie A(2) (6220) 107 7.2.1 Native vegetation 107 7.2.2 Weeds and pests 113 7.2.3 Noise and vibration 116 7.2.4 Traffic 120 7.2.5 Indigenous and non-Indigenous heritage 125 7.2.6 Community consultation and landuse management 128 7.2.7 Visual amenity and landscaping 132 7.2.8 Air quality 136 7.2.9 Radiation and asbestiform materials 140 7.2.10 Surface water and stormwater 142 7.2.11 Groundwater 146 7.2.12 Topsoil and subsoil 152 Page iv 11-0773-07-2162559A PARSONS BRINCKERHOFF Mindarie Mineral Sands Project – Mindarie C and A(2) – Program for Environment Protection and Rehabilitation (PEPR) Contents (Continued) Page number 7.3 Consolidated summary of environmental outcomes and measurement criteria 156 8. Mine Closure and Rehabilitation Plan 167 8.1 General 167 8.1.1 Stakeholder involvement and issues 167 8.1.2 Scope and review 167 8.1.3 Potential environmental, economic and social impacts of mine closure 168 8.1.4 Rehabilitation Mine Closure and Criteria Plan 169 8.1.5 Closure outcomes 170 8.1.6 Other conditions 170 8.2 Mindarie C (ML 6226) 171 8.2.1 Environmental baseline 171 8.2.2 Description of closure Domains 171 8.2.3 Summary of environmental outcomes and completion criteria 171 8.2.4 Compliance with other environmental conditions 175 8.2.5 Closure strategies for each Domain 176 8.2.6 Closure management 178 8.2.7 Post closure monitoring and management 182 8.2.8 Closure cost estimate/bond 183 8.3 Mindarie A(2) (ML 6220) 185 8.3.1 Environmental baseline 185 8.3.2 Status of current rehabilitation 185 8.3.3 Summary of environmental outcomes and completion criteria 185 8.3.4 Compliance with other environmental conditions 188 8.3.5 Closure management 189 8.3.6 Post closure monitoring and management 190 8.3.7 Closure cost estimate/bond 191 8.3.8 Mine closure schedule 193 9.