Midal Cables International Pty Limited Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1
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Midal Cables International Pty Limited Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 February 2012 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 Certification by the author Thie Environmental Assessment as been prepared under Section 75H of the Environmental Planning and Assessment Act 1979. Environmental Name: Peter Carson Assessment prepared by Qualifications: Bachelor of Science (Honours) Address: GHD Pty Ltd Level 15, 133 Castlereagh Street Sydney NSW 2000 In respect of: Tomago Aluminium Rod and Conductor Manufacturing Facility Development Applicant Name: Midal Cables International Pty Ltd Application Applicant Address: c/- GHD Pty Ltd Level 3, GHD Tower 24 Honeysuckle Drive, Newcastle NSW 2310 Land to be developed: The project is to be carried out on land as shown in the Environmental Assessment Lot and DP Lots 5 & 6 DP 270328 Part Lot 301, DP 634539 and Part Lot 3232, DP 618103 Environmental An Environmental Assessment is attached. Assessment Certificate I certify that I have prepared the contents of this Environmental Assessment and to the best of my knowledge: It is in accordance with the requirements of Part 3A; It contains all available information that is relevant to the Environmental Assessment of the development; and That the information contained in the Environmental Assessment is neither false nor misleading. Signature Name Peter Carson Date 8 February 2012 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 Contents Certification by the author 3 Executive summary i 1. Introduction 1 1.1 Overview 1 1.2 Location of the project 1 1.3 The proponent 5 1.4 The need for the project 5 1.5 Overview of the approval process 5 1.6 Structure of this Environmental Assessment 5 2. Statutory framework 7 2.1 Environmental Planning and Assessment Act 1979 7 2.2 Permissibility of the project 12 2.3 Consideration of other legislation 15 2.4 Port Stephens Development Control Plan 2007 18 3. Stakeholder and community consultation 27 3.1 Community consultation 27 3.2 Consultation with the Aboriginal community 28 3.3 Consultation with utilities 28 3.4 Government agency consultation 29 4. Description of the site and surrounds 32 4.1 Context of the site 32 4.2 Description of the site 32 4.3 Historical use of the site 34 5. Strategic context, project need and alternatives 35 5.1 Strategic planning drivers 35 5.2 Regional drivers 35 5.3 Project need 36 5.4 Alternatives considered and justification of the preferred option 36 6. Description of the project 37 6.1 Overview of the project 37 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 6.2 Cable and conductor manufacturing process 37 6.3 Ancillary services and infrastructure 43 6.4 Construction activities and likely staging 48 7. Environmental risk assessment 51 7.1 Risk assessment method 51 7.2 Potential impacts 54 8. Air quality 59 8.1 Existing environment 59 8.2 Air quality goals 65 8.3 Methodology 67 8.4 Impact assessment 68 8.5 Mitigation measures 77 9. Surface water and groundwater 79 9.1 Existing environment 79 9.2 Impact assessment 84 9.3 Mitigation measures 91 10. Noise 94 10.1 Methodology 94 10.2 Existing environment 94 10.3 Noise criteria 96 10.4 Impact assessment 100 10.5 Mitigation measures 107 11. Biodiversity 109 11.1 Methodology 109 11.2 Existing environment 111 11.3 Impact Assessment 129 11.4 Groundwater dependent ecosystems (GDEs) 137 11.5 Mitigation measures 146 12. Soils and contamination 150 12.1 Existing environment 150 12.2 Impact assessment 154 12.3 Mitigation measures 155 13. Waste 156 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 13.1 Existing environment 156 13.2 Impact assessment 156 13.3 Mitigation measures 157 14. Traffic and transport 158 14.1 Existing environment 158 14.2 Future traffic conditions 163 14.3 Impact assessment 167 14.4 Mitigation measures 174 15. Bushfire 175 15.1 Methodology 175 15.2 Existing environment 175 15.3 Impact assessment 177 15.4 Mitigation measures 178 16. Hazards analysis 180 16.1 Methodology 180 16.2 Preliminary risk screening 180 16.3 Hazard identification 183 16.4 Quantitative risk analysis 190 16.5 PHA risk assessment 191 17. Greenhouse gas and climate change 198 17.1 Methodology 198 17.2 Existing environment 199 17.3 Modelling results 199 17.4 Mitigation measures 202 18. Heritage 204 18.1 Indigenous heritage 204 18.2 Non-Indigenous heritage 206 19. Visual amenity 208 19.1 Existing environment 208 19.2 Impact assessment 208 19.3 Mitigation measures 208 20. Environmental management 209 20.1 Environmental management plans 209 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 20.2 Proposed environmental reporting 212 21. Draft Statement of Commitments 213 22. Justification and conclusions 217 22.1 Consistency with the provisions of the EP&A Act 217 22.2 Consistency with the PSLEP and Economic Development Plan 219 22.3 Conclusion 220 23. References 221 24. Glossary of terms 225 25. List of abbreviations 227 26. Units of measure 231 Table Index Table 2-1 Summary of Director-General’s requirements 9 Table 2-2 Application of relevant provisions of the Port Stephens DCP 2007 18 Table 3-1 Summary of issues raised by government agencies 29 Table 6-1 Expected water demand 46 Table 6-2 Typical advanced secondary treatment package plant water quality targets 47 Table 7-1 Likelihood and probability of occurrence 51 Table 7-2 Consequences of occurrence 52 Table 7-3 Risk assessment matrix 53 Table 7-4 Environmental risk assessment 55 Table 8-1 Identified sensitive receptors 59 Table 8-2 Assessment criteria for air quality 65 Table 8-3 Mass emission rates – metal fume plus natural gas 67 Table 8-4 Impact assessment criteria and predicted concentration levels of CO (with percentage of assessment criterion) 69 3 Table 8-5 Maximum predicted NO2 GLCs (µg/m ) (with percentage of assessment criterion) 70 3 Table 8-6 Maximum predicted SO2 GLCs (µg/m ) (with percentage of assessment criterion) 71 Table 8-7 1-hour SO2 impact and background – Receiver 2 73 Table 8-8 Total VOC breakdown from natural gas combustion 74 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 Table 8-9 Maximum Predicted 1-hour VOC impact 75 Table 8-10 Maximum predicted PM10 GLCs (with percentage assessment criterion) 75 Table 8-11 Clean Air Regulation 2010 – predicted concentrations 77 Table 9-1 Existing groundwater quality data (pH and electrical conductivity) 83 Table 9-2 Existing groundwater fluoride concentration data 84 Table 9-3 Expected water demand 86 Table 9-4 Use of effluent by irrigation buffer distances 89 Table 10-1 Unattended noise monitoring results comparison at 5 Graham Drive, Tomago 96 Table 10-2 Construction noise criteria at sensitive receivers 97 Table 10-3 Operational noise criteria – residential receiver R1, dB(A) 99 Table 10-4 Operational noise criteria – residential receivers R2 to R5, dB(A) 99 Table 10-5 Sleep disturbance criteria – residential receivers R1 to R5, dB(A) 100 Table 10-6 Traffic noise criteria at residential receivers, dB(A) 100 Table 10-7 Construction equipment and predicted noise levels 101 Table 10-8 Site noise source sound power levels LW (re: 20PPa) dB(A) 102 Table 10-9 Modelled sound pressure levels at sensitive receivers - [dB(A) (Leq)] 105 Table 10-10 Modelled sound pressure levels at sensitive receivers - [dB(A) (Lmax)] 105 Table 10-11 Predicted traffic noise emission increase 106 Table 10-12 Relative effectiveness of various forms of noise control dB(A) 107 Table 14-1 Intersection performance – existing peak conditions (2011) 162 Table 14-2 Average annual daily traffic (AADT) volumes on Tomago Road 163 Table 14-3 Traffic generated by the Redlake development 164 Table 14-4 Existing traffic levels along Tomago Road (2011) 165 Table 14-5 Tomago Road with the Redlake development in the AM peak (2011) 165 Table 14-6 Tomago Road with the Redlake Development in the PM peak (2011) 166 Table 14-7 Tomago Road / McIntyre Road intersection performance 166 22/15280/93988 Tomago Aluminium Rod and Conductor Manufacturing Facility Environmental Assessment - Volume 1 Table 14-8 Tomago Road / School Drive intersection performance 166 Table 14-9 Midal construction period traffic generation 168 Table 14-10 Midal operational period traffic generation 169 Table 14-11 Summary of estimated traffic generation 169 Table 14-12 Intersection performance (2011) with construction traffic 170 Table 14-13 Intersection performance (2011) with operational traffic 170 Table 14-14 2021 Tomago Road/McIntyre Road intersection performance - with all developments 171 Table 14-15 2021 Tomago Road/School Drive intersection performance - with all developments 172 Table 14-16 Guidelines for minimum parking requirements 172 Table 15-1 Minimum APZ width for the site 177 Table 16-1 Dangerous goods storage screening 181 Table 16-2 Estimated vehicle movement of dangerous good 182 Table 16-3 Hazard identification 184 Table 16-4 NSW individual fatality risk criteria 192 Table 16-5 Effects on heat radiation 193 Table 16-6 Calculated frequency and consequence values 193 Table 16-7 Scenario risk of individual fatality 194 Table 16-8 Scenario risk of individual injury