- Ocean Hill Pty Ltd Ocean Hill 3D Seismic Acquisition Survey Environmental Protection Act 1986 Section 38 Referral Supporting Document 23 July 2021 WER-HSE-PLN-008 JBS&G Australia Pty Ltd T/A Strategen-JBS&G Table of Contents Abbreviations and Terms ....................................................................................................... vii 1. Introduction ................................................................................................................... 1 1.1 Overview .............................................................................................................. 1 1.2 Purpose and Scope .............................................................................................. 1 1.2.1 Proponent ............................................................................................ 1 1.3 Environmental Impact Assessment ..................................................................... 3 1.3.1 Commonwealth .................................................................................... 3 1.3.2 Environmental Protection Act 1986 ..................................................... 3 1.3.3 Other Approvals ................................................................................... 4 2. The Proposal .................................................................................................................. 5 2.1 Location and Tenure ............................................................................................ 5 2.2 Proposal Description ........................................................................................... 6 2.2.1 Seismic Acquisition Methodology ........................................................ 6 2.3 Accommodation ................................................................................................ 13 2.4 Chemical and Hazardous Material Storage ....................................................... 13 2.5 Decommissioning, Rehabilitation and Monitoring ............................................ 13 2.6 Timing and Proposal Staging ............................................................................. 13 2.7 Key Proposal Characteristics ............................................................................. 14 2.8 Proposal Justification......................................................................................... 14 3. Stakeholder Consultation ............................................................................................ 15 3.1 Stakeholder Engagement Process ..................................................................... 15 3.2 Stakeholder Identification and Ongoing Consultation ...................................... 15 3.3 Proposal Stakeholder Engagement ................................................................... 16 4. Environmental Principles ............................................................................................. 17 5. Identification of Environmental Factors ...................................................................... 19 6. Flora and Vegetation ................................................................................................... 22 6.1 EPA Objective .................................................................................................... 22 6.2 Policy and Guidance .......................................................................................... 22 6.2.1 Other policy and guidance ................................................................. 22 6.3 Receiving Environment ...................................................................................... 22 6.3.1 Studies and Investigations ................................................................. 22 6.3.2 Climate ............................................................................................... 27 6.3.3 Interim Biogeographic Regionalisation for Australia ......................... 28 6.3.4 Geology, Land Systems and Soils ....................................................... 28 6.3.5 Vegetation Associations ..................................................................... 31 ©JBS&G Australia Pty Ltd T/A Strategen-JBS&G | WER-HSE-PLN-008 ii 6.3.6 Vegetation Types ............................................................................... 31 6.3.7 National Parks and Nature Reserves .................................................. 34 6.3.8 Vegetation Condition ......................................................................... 34 6.3.9 Threatened and Priority Ecological Communities.............................. 36 6.3.10 Priority Ecological Communities ........................................................ 36 6.3.11 Conservation Significant Flora ........................................................... 38 6.3.12 Weeds ................................................................................................ 40 6.4 Potential Impacts ............................................................................................... 40 6.5 Assessment of Impacts ...................................................................................... 40 6.5.1 Direct Impacts .................................................................................... 40 6.5.2 Indirect Impacts ................................................................................. 41 6.5.3 Cumulative Impacts ........................................................................... 43 6.6 Rehabilitation .................................................................................................... 44 6.7 Mitigation .......................................................................................................... 46 6.8 Predicted Outcome ........................................................................................... 47 7. Terrestrial Fauna .......................................................................................................... 48 7.1 EPA objective ..................................................................................................... 48 7.2 Policy and guidance ........................................................................................... 48 7.2.1 EPA policy and guidance .................................................................... 48 7.2.2 Other policy and guidance ................................................................. 48 7.3 Receiving Environment ...................................................................................... 48 7.3.1 Previous Studies ................................................................................. 48 7.4 Fauna Habitat .................................................................................................... 52 7.4.1 Black Cockatoo Habitat Assessment .................................................. 52 7.5 Description of Vertebrate Fauna ....................................................................... 53 7.5.1 Conservation Significant Fauna .......................................................... 53 7.6 Potential Impacts ............................................................................................... 57 7.7 Assessment of Impacts ...................................................................................... 58 7.7.1 Direct Impacts .................................................................................... 58 7.7.2 Indirect Impacts ................................................................................. 59 7.7.3 Cumulative Impacts ........................................................................... 60 7.8 Mitigation .......................................................................................................... 60 7.9 Predicted Outcome ........................................................................................... 62 8. Terrestrial Environmental Quality ............................................................................... 63 8.1 EPA objective ..................................................................................................... 63 8.2 Policy and guidance ........................................................................................... 63 8.3 Receiving Environment ...................................................................................... 63 8.4 Potential Impacts ............................................................................................... 63 ©JBS&G Australia Pty Ltd T/A Strategen-JBS&G | WER-HSE-PLN-008 iii 8.4.1 Assessment of Impacts ...................................................................... 63 8.4.2 Indirect impacts ................................................................................. 63 8.5 Mitigation .......................................................................................................... 64 8.6 Predicted Outcome ........................................................................................... 64 9. Other Factors ............................................................................................................... 65 10. Matters of National Environmental Significance ......................................................... 70 10.1 Matters of National Environmental Significance .............................................. 70 10.2 Proposed Action and Assessment ..................................................................... 70 10.3 Controlled Action Provisions ............................................................................. 70 10.3.1 Likelihood of Occurrence