Project Proponent Rottnest Island Authority Proposal description The Proposal is to extend and redevelop the existing Army Groyne into a barge operations facility in South Thomson Bay at Wadjemup / Rottnest Island. The Proposal includes: Dredging for the purpose of construction for a breakwater/laydown area and for a barge turning circle. Use of dredge spoil for re-use as reclamation to create a laydown area. Extension of the existing Army Groyne to create a breakwater. Barge landing ramp. Ferry berth. Small craft landing facility. Fuel storage and refuelling facility. Onshore storage shed. Upgrade to the onshore access road. Utility service connections (water, power, communications). Assessment Number 2487 Region Perth Referred under EP Act s38 Industry sector Infrastructure Last updated September 15, 2025 Current Status Ministerial Statement published 1. Referral Comment on this referral South Thomson Development Barge Landing Project Referral documentation Referral form (PDF, 453.14 KB) Proposal Content Document.pdf (PDF, 529.9 KB) Supporting document (PDF, 98.96 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Additional Assessment Information (public review) Extract of determination South Thomson Development Barge Landing Project (PDF, 248.46 KB) Preliminary Environmental Factors Social Surroundings Benthic Communities and Habitats Coastal Processes Marine Environmental Quality Marine Fauna Flora and Vegetation Terrestrial Fauna Date published Monday, September 16, 2024 - 12:00 3. Assessment Request for further information Date Tuesday, January 14, 2025 - 12:00 File upload Request for futher information (PDF, 304.73 KB) Environmental Review Make a submission South Thomson Development Barge Landing Project - Additional Information Environmental Review documentation Proposal content document.pdf (PDF, 444.13 KB) S40(2)(a) RFI response.pdf (PDF, 724.54 KB) Supporting Document.pdf (PDF, 23.45 MB) Appendix A STBD construction sequence and method.pdf (PDF, 690.42 KB) Appendix B Marine Fauna and BCH Assessment.pdf (PDF, 6.72 MB) Appendix C Plume Extension Habitat Assessment.pdf (PDF, 2.93 MB) Appendix D Coastal Processes Assessment.pdf (PDF, 14.54 MB) Appendix E Peer Review Memo.pdf (PDF, 153.75 KB) Appendix F Dredge Plume Modelling Assessment.pdf (PDF, 58.37 MB) Appendix G Baseline Water Quality Results.pdf (PDF, 597.6 KB) Appendix H SAP Report.pdf (PDF, 11.69 MB) Appendix I FVC Flora and vegetation survey.pdf (PDF, 7.4 MB) Appendix J RPS Flora and vegetation Survey.pdf (PDF, 11.05 MB) Appendix K Basic Fauna Survey.pdf (PDF, 3.07 MB) Appendix L GHG Emissions Assessment.pdf (PDF, 546.5 KB) Appendix M SWALSC.pdf (PDF, 2.32 MB) Appendix N BCH Assessment.pdf (PDF, 1.71 MB) Appendix O DEMMP.pdf (PDF, 2.95 MB) Appendix P CEMP.pdf (PDF, 2.1 MB) Appendix Q OEMP.pdf (PDF, 2.72 MB) Appendix R Database searches.pdf (PDF, 556.15 KB) Appendix S UWN Assessment.pdf (PDF, 1.76 MB) Appendix T Marine Magnetic survey.pdf (PDF, 2.88 MB) Appendix U Acoustic Assessment.pdf (PDF, 333.81 KB) Appendix V Spill Prevention and Response Plan.pdf (PDF, 507.33 KB) Appendix W CHRMAP.pdf (PDF, 37.62 MB) Date Published (Environmental Review documentation) March 24, 2025 Proponent response to submissions Response to Submissions - 28 April 2025.pdf (PDF, 5.05 MB) Date published (Proponent response to submissions) May 02, 2025 4. EPA Report on assessment EPA Report Number 1783 EPA Report EPA Report 1783 South Thomson Barge.pdf (PDF, 2.29 MB) Key Environmental Factors Benthic Communities and Habitats Coastal Processes Marine Environmental Quality Marine Fauna Flora and Vegetation Terrestrial Fauna Date published Thursday, June 19, 2025 - 12:00 Appeals close Thursday, July 10, 2025 - 12:00 5. Decision on proposal and implementation of proposal Ministerial Statement Date of approval Friday, September 12, 2025 - 12:00 Ministerial Statement Ministerial Statement 1255 (PDF, 1.42 MB)
