Review of Environmental Factors Eastern CBD Cable Project
Total Page:16
File Type:pdf, Size:1020Kb
Review of Environmental Factors Eastern CBD Cable Project REF - 325 NIG - 13191 WBS – SJ-00240 Version 1.0 20 Dec 2018 Review of Environmental Factors Eastern CBD Cable Project◄ Document control Document status Final Document suite Environment Release authority James Hart Release date 20 Dec 2018 Security classification UNCLASSIFIED Proposal name Eastern CBD Cable Project Proposed activity Construct, operate and maintain eighteen underground 11 kilovolt line from Macquarie Street to Belmore Park Zone Substation Document code REF - 325 Network investment governance NIG - 13191 Work breakdown structure WBS – SJ-00240 Proponent name Ausgrid Operator Partnership, trading as Ausgrid Proponent address 570 George Street, Sydney NSW 2000 REF Prepared by Matthew Gencur Title Environmental Operations Officer Qualifications Bachelor Science (Environmental) (Honours) HPRM reference D17/1020452 Disclaimer This document shall remain the property of Ausgrid. The document may only be used for the purposes for which it was commissioned. Unauthorised use of this document in any form whatsoever is prohibited. The review of environmental factors is based on information provided to the author, including the scope of works as outlined in the proposal description. The review of environmental factors is provided strictly on the basis that information provided for its preparation can be relied on and is accurate, complete and adequate. Contact: T: (02) 9394 6659 F: (02) 9394 6662 E: [email protected] Ausgrid ABN 78 508 211 731 570 George Street Sydney NSW 2000 REF - 325 NIG - 13191 WBS – SJ-00240 v1.0 20 Dec 2018 UNCLASSIFIED Page ii Review of Environmental Factors Eastern CBD Cable Project◄ Document history REF revision history Version Date Nature of revision 0.0 New issue 0.1 25/10/2017 Review by Project Team 0.2 6/11/2018 Review by Project Team prior to community display 0.3 18/12/2018 Update following exhibition of REF 1.0 20/12/2018 FINAL REF - 325 NIG - 13191 WBS – SJ-00240 v1.0 20 Dec 2018 UNCLASSIFIED Page iii Review of Environmental Factors Eastern CBD Cable Project◄ Contents Glossary ........................................................................................................................ 8 Executive summary .................................................................................................... 14 The proposal .......................................................................................................... 14 Background and need ............................................................................................ 14 Proposal alternatives ............................................................................................. 14 Statutory planning and legislation .......................................................................... 15 Environmental impact assessment ........................................................................ 15 Proposal justification and conclusions ................................................................... 15 1 Introduction .......................................................................................................... 16 1.1 Purpose of the review of environmental factors ......................................... 16 1.2 The proposal. ............................................................................................. 16 1.3 Background and need ................................................................................ 19 1.4 Related projects ......................................................................................... 19 1.5 Study area .................................................................................................. 19 1.6 Description of the proposal ........................................................................ 20 1.7 Physical structures ..................................................................................... 20 1.8 Construction activities ................................................................................ 21 1.9 Operation and maintenance requirements ................................................. 28 2 Consultation ......................................................................................................... 29 2.1 Overview .................................................................................................... 29 2.2 Statutory notification requirements ............................................................. 29 2.3 Community consultation ............................................................................. 31 3 Investigation of alternatives for the proposal ................................................... 36 3.1 Assessing alternative options ..................................................................... 36 3.2 Do nothing .................................................................................................. 36 3.3 Demand management ................................................................................ 36 3.4 Network options ......................................................................................... 36 3.5 Route options ............................................................................................. 37 3.6 Chosen route option ................................................................................... 38 4 Environmental legislation ................................................................................... 39 4.1 Environmental Planning and Assessment Act 1979................................... 39 4.2 State Environmental Planning Policy (Infrastructure) 2007 ........................ 39 4.3 State Environmental Planning Policy (Coastal Management) 2018 ........... 40 4.4 State Environmental Planning Policy (State and Regional Development) 2011 ........................................................................................................... 40 4.5 Vegetation Clearing SEPPs ....................................................................... 40 4.6 Environment Protection and Biodiversity Conservation Act 1999 .............. 40 4.7 Electricity Supply Act 1995 ......................................................................... 41 4.8 Protection of the Environment Operations Act 1997 .................................. 41 4.9 Biodiversity Conservation Act 2016 ........................................................... 41 4.10 Summary of legislative requirements ......................................................... 42 5 Environmental assessment ................................................................................ 46 5.1 Land use .................................................................................................... 46 5.2 Climate change .......................................................................................... 47 REF - 325 NIG - 13191 WBS – SJ-00240 v1.0 20 Dec 2018 UNCLASSIFIED Page iv Review of Environmental Factors Eastern CBD Cable Project◄ 5.3 Electric and magnetic fields ....................................................................... 50 5.4 Noise and vibration .................................................................................... 55 5.5 Air quality ................................................................................................... 67 5.6 Hydrology ................................................................................................... 69 5.7 Geology and soil ........................................................................................ 72 5.8 Contamination ............................................................................................ 74 5.9 Waste ......................................................................................................... 76 5.10 Flora and fauna .......................................................................................... 78 5.11 Bush fire ..................................................................................................... 81 5.12 Aboriginal heritage ..................................................................................... 82 5.13 Non-Aboriginal heritage ............................................................................. 83 5.14 Visual and aesthetics ................................................................................. 89 5.15 Traffic and access ...................................................................................... 90 5.16 Social and economic .................................................................................. 93 5.17 Cumulative impact ...................................................................................... 94 6 Consideration of environmental factors ............................................................ 97 6.1 Clause 228 factors ..................................................................................... 97 6.2 Matters of national environmental significance .......................................... 98 6.3 Ecologically sustainable development ....................................................... 99 7 Summary of impacts ......................................................................................... 100 8 Environmental management plan .................................................................... 103 8.1 Construction environmental management plan ........................................ 103 8.2 Environmental mitigation measures ......................................................... 105 9 Certification .......................................................................................................