Works Approval Application Assessment Report Environment Protection Act 1970
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WORKS APPROVAL APPLICATION ASSESSMENT REPORT ENVIRONMENT PROTECTION ACT 1970 WORKS APPROVAL APPLICATION ASSESSMENT REPORT Application No. 1003681 Applicant Name Latrobe City Council Address of Premises 64 Hyland Highway, Loy Yang, VIC 3844 Proposal Disposal of municipal solid waste, Category C contaminated soil and solid and inert waste. Environment Protection Authority Victoria (EPA) Level 3, 200 Victoria Street, Carlton VIC 3053 | GPO Box 4395, Melbourne VIC 3001 1300 372 842 (1300 EPA VIC) | W epa.vic.gov.au WORKS APPROVAL APPLICATION ASSESSMENT REPORT CONTENTS LIST OF TABLES 4 LIST OF FIGURES 5 EXECUTIVE SUMMARY 11 Background Information 11 Works Approval Application Process 11 Proposed Works 11 Consideration of Key Issues 12 Decision 15 Conditions & Nest Steps 16 1 BACKGROUND INFORMATION 18 Latrobe City Council 18 Site 18 Existing Landfill & Disposal Activities 21 Land Use & Planning 24 Zones 25 Relevant legislation, policy and guidance assessment framework 26 2 WORKS APPROVAL APPLICATION PROCESS OVERVIEW 33 Assessment Methodology 33 Consultatuion and Referrals 33 Peer Review Process 35 3 THE WORKS APPROVAL APPLICATION 36 Description of the Proposal 36 Wastes to be Disposed 37 Concert Design 37 SIte Layout and Associated and Ancillary Infrastructure 38 Construction of Landfill Cells & Licence Amendment Applications 39 Proposed Design Containment Measures 42 Proposed Operational Measures 43 Proposed Landform Restoration 46 Proposed Closure and Aftercare Management 48 4 CONSIDERATION OF KEY ISSUES 52 Latrobe City Council’s’ Track Record 52 Air Quality 54 Odour 56 Landfill Gas 60 Groundwater 62 2 WORKS APPROVAL APPLICATION ASSESSMENT REPORT Surface Water 65 Noise 67 Greenhouse Gas Emissions 69 Climate Change 70 Soil Resources & Land 71 Health 72 Compliance with Section 50C of the EP Act 74 Compliance with the Landfill Waste Management Policy & Landfill Best Practice Environmental Management] 75 Consideration of the Principles of the EP Act 81 5 ASESSMENT RECOMMENDATIONS AND PROPOSED WORKS APPROVAL CONDITIONS 86 General WA Conditions 86 Works Conditions 87 Reporting Conditions 89 6 CONCLUSIONS 92 7 REPORT DATE 94 3 WORKS APPROVAL APPLICATION ASSESSMENT REPORT LIST OF TABLES Table 1: Proposed Landfill Sequence Plan 37 4 WORKS APPROVAL APPLICATION ASSESSMENT REPORT LIST OF FIGURES Figure 1: Site location 19 Figure 2: Existing Hyland Highway Landfill licenced boundary (blue line) and proposed extension area (dark red line) subject to this WAA and local topography 20 Figure 3: Showing the current site and neighbouring land uses, including the Loy Yang brown coal and Loy Yang A & B Power Stations to the north and forested plantations to south and east 20 Figure 4: Asbestos drop-off point at the gatehouse and weighbridge 150m south of the Hyland Highway 22 Figure 5: Cropped view looking north to the existing landfill and proposed extension area from Callignee South Rd 22 Figure 6: View southwest to the “Old” Leachate Pond and settlement tanks (existing landfill infrastructure) 23 Figure 7: View southwest over the “New” Leachate Pond (existing landfill infrastructure) showing its ten aerators 23 Figure 8: Landfill gas collection flare at the top of the existing capped landfill (Cells 1 & 2) 24 Figure 9: Latrobe City Planning Scheme planning zones covering the proposed landfill extension site and surrounding area 25 Figure 10: Current and proposed landfill cells 36 Figure 11: Typical Cell Base Liner System 41 Figure 12: Typical Cell Sidewall and Batter Liner System 41 Figure 13: Typical Landfill Capping 42 Figure 14: Pre-settlement Top of Cap Contour Plan 47 Figure 15: Cross-sections of the landfill cells (A-B) 49 Figure 16: Cross-sections of the landfill cells (C-E) 50 5 WORKS APPROVAL APPLICATION ASSESSMENT REPORT ABBREVIATIONS & GLOSSARY AHD Australian Height Datum – sets the mean sea level as zero elevation. AMRR Accumulated Monthly Residual Rainfall APS Annual Performance Statement - EPA licence holder’s annual report of their environmental performance against their licence requirements, including explanations of all non-compliance AQA Air Quality Assessment Background levels The level or range of levels (usually determined from a number of sites or a series of measurements from the same site) of an indicator measured in a manner and at a location specified by the Authority in waters outside the influence of any contaminant containing a measurable level of that indicator (Section 4, SEPP (GoV)) Beneficial uses Uses and values of any segment (i.e. water, atmosphere and land) of the environment that government and communities want to protect both now and in the future Best Environmental The best combination of eco-efficient techniques, methods and Practice processes or technology used in an industry sector or activity that demonstrably minimises the environmental impact of a generator of emissions in that industry sector or activity Buffer An area around a facility/premise maintained between sources of pollution or emission and sensitive land uses. This is an environmental control measure used to protect sensitive land uses from impacts resulting from a failure of landfill design or management or abnormal weather conditions. Under normal operating conditions in compliance with licence conditions, impacts should not occur within the buffer Capping Covering of solid waste, utilising a range of potential of materials, preventing the mobility of a contaminated material CFA Country Fire Authority CO2 Carbon dioxide Concentrate and Process designed to concentrate a material into a smaller volume contain and then contain it Contamination The action or state of making or being made impure by polluting or poisoning 6 WORKS APPROVAL APPLICATION ASSESSMENT REPORT Construction A planned system of activities to provide demonstrable assurance Quality Assurance that the landfill has been constructed to the approved design (CQA) Plan requirements (specifications, construction, installation and testing). CQA documentation is subsequently verified by an Environmental Auditor as part of auditing cell construction CUN Clean Up Notice EMP Environmental Management Plan EPA Environment Protection Authority Victoria EP Act Environment Protection Act 1970 Environmental A total assessment of the nature and extent of any harm or Audit detriment caused to, or the risk of any possible harm or detriment which may be caused to, any beneficial use made of any segment of the environment by any industrial process or activity, waste, substance (including any chemical substance) or noise. Environmental EPA’s role is to administer the environmental audit system in Audit System Victoria, which includes appointing environmental auditors and the review of audits undertaken. The Environment Protection Act 1970 in Part IXD, particularly sections 53V and 53X establishes the types of audits that can be conducted and the outcomes of audits. Once finalised, environmental audits are published on EPAs website. Environmental A person appointed under s. 53S of the EP Act as ‘an environmental Auditor auditor for the purposes of the Environment Protection Act 1970.’ Environment Eleven fundamental principles that form part of the environmental protection management and policy framework of the Environment Protection principles Act 1970 and guide EPA’s decision making for the benefit of the Victorian environment and community. EPA Pollution Notice issued under section 31A (or section 31B for minor works) of Abatement Notice the Environment Protection Act 1970, aimed to prevent further occurrence of pollution or potential environmental risk Evapotranspiration The process by which water is transferred from the land to the atmosphere by evaporation from the soil and others surfaces and transpiration from plants Financial A requirement under the Environment Protection Act 1970 for all Assurance (FA) licensed landfills. Financial Assurances are a mechanism by which a landfill operator provides a guarantee that the costs of site remediation, site closure and post-closure liabilities are not borne by 7 WORKS APPROVAL APPLICATION ASSESSMENT REPORT the state or local government. Financial Assurances are held for the period during which a landfill poses a risk to the environment, and may be discharged by the Authority when monitoring and regular inspections demonstrate that the landfill does not pose a risk to the environment. GCL Geosynthetic Clay Liner Geomembrane Low permeability synthetic membrane liner or barrier used to control fluid or gas migration in a human-made project, structure or system GHG Greenhouse gases expressed as tonnes of CO2 equivalent, unless otherwise stated. GMMP Groundwater Monitoring and Management Plan HDPE High-density Polyethylene HELP Leachate generation software model Intermediate cover A layer of material or substance used to cover a specifically designated waste lift kLpa Kilolitres per annum Landfill BPEM Siting, design, operation and rehabilitation of landfill Best Practice Environmental Management (August 2015) EPA Publication 788.3 Landfill WMP Waste Management Policy (Siting, Design and Management of Landfills) No. S264, Gazette 14/12/2004 Leachate Liquid that has percolated through waste and leached out some of the constituents of the waste LCC Latrobe City Council LFG Landfill Gas LFN Low Frequency Noise LLDPE Linear Low-density polyethylene Liner System Barrier system to contain waste, leachate and landfill gas within a landfill waste body that can be designed with different configurations and materials to meet different design specifications.