Vol-2F App-O Contamination

Chapter: Vol 1C Chapter 17 Contamination

Appendix Vol 2F App O Contamination

Hi-res pdf: New M5 EIS Vol 2F App O Contamination.pdf

Low-res pdfs:

Section Pages
  Glossary of Terms i
  Executive Summary iii
1.0 Introduction 1
1.1 Overview of WestConnex 1
1.2 The project 2
1.3 Project location 4
1.4 Secretary’s environmental assessment requirements 4
2.0 Methodology 7
2.1 Project Areas 8
3.0 Preliminary screening assessment – Background documentation 13
3.1 Previous Environmental Reports – Project Area 1 and 3 to 5 13
3.1.1 AECOM, 2015a. Report on Stockpile Contamination Characterisation 13
3.1.2 AECOM, 2015b. WestConnex Stage 2: M5 Factual Contamination Assessment 13
3.2 Previous Environmental Reports Project Area 5 15
3.2.1 AECOM, 2015b. WestConnex Stage 2: M5 Factual Contamination Assessment 16
3.2.2 AECOM 2014a. Phase 1 ESA, Alexandria Landfill Site Acquisition Area, St Peters, NSW 18
3.2.3 AECOM 2015c. Phase 1 ESA: Local Roads, St Peters 19
3.2.4 AECOM 2015d. Phase 2 ESA, 5 and 5A Canal Road, NSW 20
3.2.5 AECOM 2015e. Phase 2 ESA, Alexandria Landfill, NSW 21
3.2.6 AECOM, 2015f. Alexandria Landfill Closure Hydrogeological Assessment, Alexandria Landfill, 10-16 Albert Street, St Peters, NSW 22
3.2.7 AECOM, 2015g. Preliminary Waste Classification: Stockpile 21 23
3.2.8 AECOM 2015h. Alexandra Landfill: Landfill Closure Management Plan 24
3.2.9 ENVIRON, 2015. Phase 2 Area Preliminary Stockpile Characterisation 24
3.2.10 Woodward-Clyde, 1998. Upper Alexandra Canal Sediment Management Study 25
3.2.11 University of Queensland, 2002.Sydney Water Sediment – Water Column Interactions in Alexandra Canal, Sydney 28
3.2.12 OFS, 2002. Alexandra Canal Hydrographic Investigation July to August 2001 29
3.2.13 URS, 2003. Sediment Remediation Options Study, NSW 29
3.2.14 AAJV, 2014. Green Square Stormwater Drain Project – Sediment Mobilisation Impact Assessment on Alexandra Canal 30
3.2.15 GHD, 2013. Camdenville Park, May Street, St Peters NSW 30
3.2.16 SMEC, 2012. 6A Huntley Street, Alexandria. 31
3.3 NSW EPA Records 32
3.3.1 Listed contaminated sites 32
3.3.2 Notified sites 37
3.4 National Pollutant Inventory 38
3.5 Environmental Protection Licence Search 39
3.5.1 EPLs within the vicinity of Project Areas 39
3.5.2 EPL Non Compliance, Clean Up Notices and Licence Variations 41
4.0 Project Area inspection 45
4.1 Project Area 1 – Western surface works 45
4.2 Project Area 2 – Kingsgrove Road surface works 46
4.3 Project Area 3 – Bexley Road surface works 46
4.4 Project Area 4 – Arncliffe surface works 46
4.5 Project Area 5 – St Peters interchange and local roads upgrades surface works 46
5.0 General environmental conditions of the Project Area and surrounding lands 51
5.1 Project Area 1 – Western surface works 52
5.1.1 Current Land Use 52
5.1.2 Surrounding Land Use 52
5.1.3 Hydrogeology 53
5.2 Project Area 2 – Kingsgrove Road surface works 53
5.2.1 Current Land Use 53
5.2.2 Surrounding Land Use 53
5.2.3 Hydrogeology 53
5.3 Project Area 3 – Bexley Road surface works 54
5.3.1 Current Land Use 54
5.3.2 Surrounding Land Use 54
5.3.3 Hydrogeology 54
5.4 Project Area 4 – Arncliffe surface works 54
5.4.1 Current Land Use 54
5.4.2 Surrounding Land Use 55
5.4.3 Hydrogeology 55
5.5 Project Area 5 – St Peters Interchange and local roads upgrades 55
5.5.1 Current Land Use 55
5.5.2 Surrounding Land Use 56
5.5.3 Geology and Soils 56
5.5.4 Hydrogeology 56
5.5.5 Alexandra Canal 57
6.0 Evaluation process for selecting sites for further investigation 59
6.1 Project Area 1 – Western surface works 59
6.2 Project Area 2 – Kingsgrove Road surface works 59
6.3 Project Area 3 – Bexley Road surface works 59
6.4 Project Area 4 – Arncliffe surface works 59
6.5 Project Area 5 – St Peters interchange and local roads upgrades 60
7.0 Secondary data review – Project Area history and observations 63
7.1 Zoning and Land use 63
8.0 Project Area 1 63
7.2 Local government information 63
7.2.1 Project Area 1 64
7.2.2 Project Area 2 64
7.2.3 Project Area 3 64
7.2.4 Project Area 4 65
7.2.5 Project Area 5 66
7.3 Certificates of Title 68
7.3.1 Project Area 1 68
7.3.2 Project Area 2 68
7.3.3 Project Area 3 68
7.3.4 Project Area 4 68
7.3.5 Project Area 5 68
7.4 Historical Photograph Review 69
7.5 Dangerous Good Search 75
7.6 Unexploded Ordnance Contamination 75
9.0 Findings 77
  Discussion 91
9.1 Project Area 1 – Western surface works 91
9.2 Project Area 2 – Kingsgrove Road surface works 91
9.3 Project Area 3 – Bexley Road surface works 92
9.4 Project Area 4 – Arncliffe surface works 92
9.5 Project Area 5 – St Peters Interchange and local roads upgrades 92
9.6 Contamination Assessment, Remediation and Management Process for the project 100
9.6.1 Dangerous Goods Searches 100
9.6.2 Explosive Ordnance Assessment 101
9.6.3 Intrusive Site Investigations 101
9.6.4 Site Remediation 101
9.6.5 Landfill Closure 102
9.6.6 Management of Sites not requiring investigation 102
9.6.7 Waste management 102
9.6.8 Acid sulfate soils 103
10.0 Conclusions and recommendations 105
11.0 References 107
Appendix A Figures A
Appendix B Groundwater Bore Search B
Appendix C Photographs C
Appendix D Acid Sulfate Soils Maps D
Appendix E Planning Certificates E
Appendix F Historical Certificates of Title F
Appendix G NSW EPA and NPI Records G
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