Norton Gold Fields Limited – Rose Dam North Dewatering Works Approval Rose Dam North WORKS APPROVAL APPLICATION PADDINGTON GOLD PTY LTD SEPTEMBER 2020 Prepared for: Department of Water and Environmental Regulation Prepared by: 1 Norton Gold Fields Limited – Rose Dam North Dewatering Works Approval Table of Contents 1.0 PREMISES DETAILS ............................................................................................................. 5 1.1 Occupier of Premises .................................................................................................... 5 1.2 General Company Description .................................................................................... 5 1.3 DWER Environmental Operating Licences .................................................................. 6 1.4 Name and Location of Premises .................................................................................. 6 1.4.1 Premises Name ...................................................................................................................... 6 1.4.2 Tenements............................................................................................................................... 6 1.4.3 Location .................................................................................................................................. 6 2.0 PRESCRIBED PREMISES CATEGORY .............................................................................. 7 3.0 DESCRIPTION OF ACTIVITY ............................................................................................. 7 3.1 Existing Activities ............................................................................................................ 7 3.2 Proposal Description ...................................................................................................... 7 3.2.1 Discharging water from Rose Dam North Pits .................................................................. 7 3.3 Maps and Plans .............................................................................................................. 9 4.0 OTHER APPROVALS .......................................................................................................... 13 4.1 Environmental Impact Assessment ............................................................................ 13 4.2 Other Decision Making Authorities .................................................................................. 13 4.3 Other Legislation and Guidance Material ...................................................................... 13 5.0 DESCRIPTION OF THE ENVIRONMENT ....................................................................... 14 5.1 Climate .......................................................................................................................... 14 5.1.1 Temperature ......................................................................................................................... 14 5.1.2 Rainfall ................................................................................................................................... 14 5.1.3 Winds ...................................................................................................................................... 14 5.1.4 Humidity ................................................................................................................................. 14 5.2 Geology ........................................................................................................................ 14 5.2.1 Regional Geology ............................................................................................................... 14 5.2.2 Local Geology ..................................................................................................................... 15 5.3 Landforms ..................................................................................................................... 16 5.4 Hydrology ..................................................................................................................... 16 5.4.1 Surface Hydrology ............................................................................................................... 16 5.4.2 Groundwater Flow Direction ............................................................................................. 17 5.4.3 Hydrogeology ...................................................................................................................... 18 5.5 Vegetation and Flora ................................................................................................... 18 5.5.1 Vegetation Types ................................................................................................................ 21 5.5.2 Vegetation Condition ........................................................................................................ 24 5.5.3 Conservation Significant Vegetation Communities ..................................................... 25 5.5.4 Conservation Significance Flora ....................................................................................... 25 5.5.5 Weeds .................................................................................................................................... 25 5.6 Fauna ............................................................................................................................. 25 5.6.1 Fauna Habitat ...................................................................................................................... 25 2 Norton Gold Fields Limited – Rose Dam North Dewatering Works Approval 5.6.2 Conservation Significant Fauna ....................................................................................... 26 5.7 Aboriginal heritage ...................................................................................................... 30 5.8 European heritage ....................................................................................................... 30 5.9 Sensitive Receptors ...................................................................................................... 30 6.0 ASSESSMENT OF ENVIRONMENTAL RISKS FROM EMISSIONS ............................ 31 6.1 Risk Identification ......................................................................................................... 31 6.2 Potential emissions: ...................................................................................................... 31 6.3 Risk Assessment ........................................................................................................... 31 6.4 Risk Management ........................................................................................................ 32 7.0 ENVIRONMENTAL PERFORMANCE OBJECTIVES, STANDARDS AND MEASUREMENT CRITERIA .......................................................................................................... 34 7.1 Objectives and Standards .......................................................................................... 34 8.0 IMPLEMENTATION STRATEGY ..................................................................................... 35 8.1 Commissioning ............................................................................................................. 35 8.2 Clearing ........................................................................................................................ 35 8.3 Monitoring ..................................................................................................................... 36 8.4 Rehabilitation ................................................................................................................ 36 8.5 Contingencies .............................................................................................................. 36 8.5.1 Hypersaline spill .................................................................................................................... 36 8.5.2 Hydrocarbon Spill ................................................................................................................ 37 8.5.3 Dewatering ........................................................................................................................... 37 8.6 Records ......................................................................................................................... 37 8.7 Management Responsibilities .................................................................................... 38 8.7.1 Chief Operations Officer .................................................................................................... 38 8.7.2 Open Pit Manager and Superintendent......................................................................... 38 8.7.3 Environmental and Community Superintendent .......................................................... 38 8.7.4 Operators .............................................................................................................................. 38 8.8 Competence, Training and Awareness .................................................................... 38 8.9 Communication ........................................................................................................... 39 9.0 CONSULTATION .................................................................................................................. 39 10.0 COMMITMENTS .............................................................................................................. 40