Ten Tunnels Deviation Modifications Review of Environmental Factors
Total Page：16
File Type：pdf, Size：1020Kb
New Intercity Fleet Ten Tunnels Deviation Modifications Review of Environmental Factors February 2018 New Intercity Fleet - Ten Tunnels Deviation Modifications Review of Environmental Factors Ref–5889221 Ten Tunnels Deviation Modifications - Review of Environmental Factors – January 2018 1 Contents Abbreviations ................................................................................................................ 6 Definitions ..................................................................................................................... 8 Executive summary ..................................................................................................... 11 1 Introduction ........................................................................................................... 16 1.1 Overview of the Project ............................................................................. 16 1.2 Location of the Project .............................................................................. 17 1.3 History of the Ten Tunnels Deviation ........................................................ 19 1.4 Existing infrastructure and land uses ........................................................ 19 1.5 Purpose of this Review of Environmental Factors ..................................... 24 2 Need for the Project .............................................................................................. 25 2.1 Strategic justification ................................................................................. 25 2.2 Need for the Project .................................................................................. 25 2.3 Operational needs .................................................................................... 26 2.4 Project options .......................................................................................... 26 3 Description of the Project ...................................................................................... 28 3.1 The Project ............................................................................................... 28 3.2 Construction activities ............................................................................... 42 3.3 Property acquisition .................................................................................. 47 3.4 Operation management and maintenance ................................................ 47 4 Statutory considerations ........................................................................................ 51 4.1 Commonwealth legislation ........................................................................ 51 4.2 NSW legislation and regulations ............................................................... 51 4.3 State Environmental Planning Policies ...................................................... 53 4.4 Local environmental planning instrument and development controls ......... 55 4.5 NSW Government policies and strategies ................................................. 56 4.6 Ecologically sustainable development ....................................................... 57 5 Community and stakeholder consultation .............................................................. 59 5.1 Stakeholder consultation during concept design ....................................... 59 5.2 Consultation requirements under the Infrastructure SEPP ........................ 59 5.3 Consultation strategy ................................................................................ 60 5.4 Public display ............................................................................................ 60 5.5 Aboriginal community involvement ............................................................ 61 5.6 Ongoing consultation ................................................................................ 61 6 Environmental impact assessment ........................................................................ 62 6.1 Non-Indigenous heritage ........................................................................... 62 6.2 Noise and vibration ................................................................................... 73 6.3 Traffic and transport .................................................................................. 82 6.4 Urban design, landscape and visual amenity ............................................ 85 6.5 Socio-economic impacts ........................................................................... 88 6.6 Indigenous heritage .................................................................................. 89 6.7 Biodiversity ............................................................................................... 90 6.8 Soils and water ......................................................................................... 93 6.9 Air quality .................................................................................................. 96 6.10 Other impacts ........................................................................................... 97 6.11 Cumulative impacts .................................................................................. 98 6.12 Climate change and sustainability ........................................................... 100 Ten Tunnels Deviation Modifications - Review of Environmental Factors – January 2018 2 7 Environmental management ................................................................................ 102 7.1 Environmental management plans .......................................................... 102 7.2 Mitigation measures ................................................................................ 102 8 Conclusion .......................................................................................................... 111 References ............................................................................................................... 112 Appendix A Consideration of matters of National Environmental Significance ........ 114 Appendix B Consideration of clause 228 ................................................................ 115 Appendix C Neutral or beneficial effect assessment ............................................... 118 Appendix D Landscape and visual impact assessment .......................................... 120 Appendix E Threatened communities, flora and fauna tables ................................. 122 Appendix F Biodiversity Conservation Act 2016 Assessments of Significance........ 143 Figures Figure 1 Planning approval and consultation process for the Project ......................................14 Figure 2 Regional context of the Project site ...........................................................................18 Figure 3 Generic long section (or side profile) of Tunnels 1 to 8 and 10 .................................20 Figure 4 Generic cross section of Tunnels 1 to 8 and 10 ........................................................20 Figure 5 View of Tunnel 1 showing the interface between brick and concrete linings..............21 Figure 6 View of Sydney end portal of Tunnel 7 ......................................................................21 Figure 7 Existing toe notching at internal safety refuge on down track wall of Tunnel 2 ..........22 Figure 8 View of cable tray and existing notching at Sydney end portal of Tunnel 3 ...............22 Figure 9 Detail of overhead wiring structures at Tunnel 8 .......................................................23 Figure 10 View of gradient / radius / survey marker in Tunnel 10 ............................................23 Figure 11 Image from the 3D tunnel survey ............................................................................28 Figure 12 Typical tunnel cross section showing an infringement .............................................30 Figure 13 Proposed treatment overview for Tunnel 1 (prepared by GHD) ...............................32 Figure 14 Proposed treatment overview for Tunnel 2 (prepared by GHD) ...............................33 Figure 15 Proposed treatment overview for Tunnel 3 and Tunnel 4 (prepared by GHD) .........34 Figure 16 Proposed treatment overview for Tunnel 4 and Tunnel 5 (prepared by GHD) .........35 Figure 17 Proposed treatment overview for Tunnel 5 and Tunnel 6 (prepared by GHD) .........36 Figure 18 Proposed treatment overview for Tunnel 6 and Tunnel 7 (prepared by GHD) .........37 Figure 19 Proposed treatment overview for Tunnel 8 and Tunnel 9 (prepared by GHD) .........38 Figure 20 Proposed treatment overview for Tunnel 10 Sydney end (prepared by GHD) .........39 Figure 21 Proposed treatment overview for Tunnel 10 Lithgow end (prepared by GHD) .........40 Figure 22 Diagram of a rock bolt .............................................................................................41 Figure 23 Example excavator with cutting head ......................................................................44 Figure 24 Example elevated work platform with road rail / hi-rail vehicle attachments ............45 Ten Tunnels Deviation Modifications - Review of Environmental Factors – January 2018 3 Figure 25 Proposed construction compound – Tunnel 1 .........................................................48 Figure 26 Proposed construction Compound – Tunnels 2 / 3 ..................................................49 Figure 27 Proposed construction compound – Tunnels 9 / 10 ................................................50 Figure 28 Representative receiver locations in relation to the tunnel portals ...........................74