Malaga to Ellenbrook Rail Works Referral Supplementary Document December 2019 For more information contact Public Transport Authority Public Transport Centre, West Parade, Perth WA 6000 PO Box 8125, Perth Business Centre, Perth WA 6849 Telephone: (08) 9326 2000 Email: [email protected] www.pta.wa.gov.au Document Information Document Name Prepared by C Baxter Reviewed by M Ludlow Prepared for Environmental Protection Authority Version / Revision 1A Date 24/12/2019 Distribution List Name Position Organisation Anthony Sutton Executive Director EPA Services Hans Jacob Manager Infrastructure Assessment EPA Services Dehlia Goundrey Manager Strategic Assessment EPA Services Contents Contents ........................................................................................................................................ 3 Executive Summary ...................................................................................................................... 9 Proposal Title: Malaga to Ellenbrook Rail Works ........................................................................ 9 1. Introduction .......................................................................................................................... 20 1.1. Purpose and scope ......................................................................................................... 20 1.2. Proponent ....................................................................................................................... 20 1.3. Environmental Impact Assessment Process ................................................................... 20 1.3.1. Environmental Protection Act 1986 .......................................................................... 20 1.3.2. Environment Protection and Biodiversity Conservation Act 1999 ............................. 20 1.3.3. Other approvals and legislation ............................................................................... 21 2. The Proposal ........................................................................................................................ 23 2.1. Background .................................................................................................................... 23 2.1.1. Land use planning and zoning ................................................................................. 23 2.1.2. Sustainability ........................................................................................................... 24 2.1.3. Project Alternatives .................................................................................................. 24 2.2. Proposal description ....................................................................................................... 30 2.2.1. Development Envelope ............................................................................................ 32 2.2.2. Railway tracks and infrastructure ............................................................................. 32 2.2.3. Stations ................................................................................................................... 32 2.2.4. Bridges and underpasses ........................................................................................ 33 2.2.5. Temporary construction areas ................................................................................. 33 2.2.6. Malaga Station Precinct ........................................................................................... 34 2.2.7. Future rail stabling facility ........................................................................................ 34 2.2.8. Stormwater Drainage Infrastructure ......................................................................... 34 2.2.9. Dewatering and groundwater abstraction requirements ........................................... 34 2.3. Local and regional context .............................................................................................. 39 2.3.1. Geology and soils .................................................................................................... 39 2.3.2. Hydrology ................................................................................................................ 39 3. Stakeholder consultation .................................................................................................... 41 3.1. Key stakeholders ............................................................................................................ 41 3.2. Stakeholder engagement process .................................................................................. 42 3.3. Stakeholder consultation................................................................................................. 42 4. Environmental principles .................................................................................................... 48 3 4.1. Environmental Factors .................................................................................................... 50 5. Flora and vegetation ............................................................................................................ 54 5.1. EPA objective ................................................................................................................. 54 5.2. Policy and guidance ........................................................................................................ 54 5.3. Receiving environment ................................................................................................... 54 5.3.1. Surveys and studies ................................................................................................ 54 5.3.2. Survey type and coverage ....................................................................................... 56 5.3.3. Interim Biogeographical Regionalisation of Australia ............................................... 58 5.3.4. Geology, landform and soils .................................................................................... 58 5.3.5. DBCA managed lands and reserves ........................................................................ 58 5.3.6. Bush Forever Sites .................................................................................................. 58 5.3.7. Wetlands ................................................................................................................. 59 5.3.8. Regional ecological linkages .................................................................................... 60 5.3.9. Vegetation associations ........................................................................................... 63 5.3.10. Heddle Vegetation complexes .............................................................................. 64 5.3.11. Vegetation types .................................................................................................. 65 5.3.12. Vegetation condition ............................................................................................. 69 5.3.13. Threatened and priority ecological communities ................................................... 76 5.3.14. Other conservation significant ecological communities ......................................... 76 5.3.15. Conservation significant flora ............................................................................... 76 5.3.16. Dieback ................................................................................................................ 83 5.3.17. Weeds .................................................................................................................. 83 5.4. Assessment of impacts to Flora and Vegetation ............................................................. 88 5.5. Further investigations ..................................................................................................... 91 5.6. Predicted outcome .......................................................................................................... 91 6. Terrestrial Fauna .................................................................................................................. 92 6.1. EPA objective ................................................................................................................. 92 6.2. Policy and guidance ........................................................................................................ 92 6.3. Receiving environment ................................................................................................... 92 6.3.1. Surveys and studies ................................................................................................ 92 6.3.2. Fauna habitat........................................................................................................... 97 6.3.3. Conservation significant fauna ............................................................................... 104 6.3.4. Subterranean fauna ............................................................................................... 113 6.3.5. Short-range endemics ........................................................................................... 113 6.3.6. Black Cockatoo Species ........................................................................................ 113 Public Transport Authority Malaga to Ellenbrook Rail Works 4 6.3.7. Migratory species .................................................................................................. 119 6.3.8. Mammals ..............................................................................................................