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Kempsey Shire Council Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons.

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Presentation on theme: "Kempsey Shire Council Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons."— Presentation transcript:

1 Kempsey Shire Council Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons

2 Kempsey Waste Receival & Disposal Facility Site Characteristics (geology and topography) Solid Waste Disposal Environmental Management

3 SITE LOCATION

4 SITE CHARCTERISTICS

5 SITE TOPOGRAPGY

6 SITE GEOLOGY Residual Clays overlying Mudstone with Clay Lenses Kempsey Beds – Lower Permian Aged

7 Residual Silty Clays exhibit MEDIUM to HIGH PLASTICITY and VERY LOW PERMEABILITY = 5x ms -1 NSW EPA criteria for landfill cell liners = 1x10 -9 ms -1

8 SITE HYDROGEOLOGY Groundwater ranges between 12-17mBGS across site Groundwater ranges between 12-17mBGS across site Confined Aquifer Confined Aquifer Artesian Conditions Artesian Conditions

9 SITE LAYOUT

10 SOLID WASTE DISPOSAL (NSW EPA License No. 6269)

11 What waste can be accepted at KWR&DF? INERT WASTE Virgin Excavated Natural Material (VENM) – EPA ApprovedVirgin Excavated Natural Material (VENM) – EPA Approved Building and Demolition WasteBuilding and Demolition Waste Asphalt WasteAsphalt Waste BiosolidsBiosolids Used TyresUsed Tyres Office and Packaging WasteOffice and Packaging Waste

12 What waste can be accepted at KWR&DF? SOLID WASTE Municipal WasteMunicipal Waste Biosolids (restricted), Manure and Night SoilBiosolids (restricted), Manure and Night Soil Lead Contaminated WasteLead Contaminated Waste Cleaned Pesticide, Biocide, Herbicide or Fungicide ContainersCleaned Pesticide, Biocide, Herbicide or Fungicide Containers Mechanical Workshop MaterialsMechanical Workshop Materials Disposable Nappies, Incontinence Pads and Sanitary NapkinsDisposable Nappies, Incontinence Pads and Sanitary Napkins Food WasteFood Waste Vegetative Waste from Agriculture or HorticultureVegetative Waste from Agriculture or Horticulture Non-Chemical Waste from Manufacturing and ServicesNon-Chemical Waste from Manufacturing and Services SoilSoil

13 What waste CANNOT be accepted at KWR&DF? HAZARDOUS Dangerous GoodsDangerous Goods Pharmaceuticals and PoisonsPharmaceuticals and Poisons Clinical WastesClinical Wastes Cytotoxic WasteCytotoxic Waste Sharps WasteSharps Waste Radioactive WasteRadioactive Waste Declared Chemical Waste – EPA LISTDeclared Chemical Waste – EPA LIST Quarantine MaterialQuarantine Material LIQUID WASTE

14 WASTE RECEIVAL TRACKING

15 LANDFILL CELL WITH DAILY COVER

16 USED LEAD/ACID BATTERRIES

17 USED TYRES

18 FERROUS WASTE

19 TIMBER

20 WASTE RECOVERY (Resource NSW Strategy) Other Wastes Recovered: Green Waste Biosolids Resale Items Farm Chemical Containers (Drum Muster) Regional Recycling Pickup Centres

21 Site Water ManagementSite Water Management Landfill Gas – MethaneLandfill Gas – Methane Dust and Wind Blown RubbishDust and Wind Blown Rubbish ENVIRONMENTAL MANAGEMENT

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23 SURFACEWATER MANAGEMENT SURFACE WATER MANAGEMENT

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27 LEACHATE MANAGEMENT

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31 GROUNDWATER & SURFACE WATERMONITORING 6 Groundwater Quality Monitoring Bores 3 Surface Water Quality Monitoring Points Leachate and Effluent Quality Monitoring Points

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33 PEIZOMETER

34 Sampling and Analysis Quarterly Sampling: Alkalinity (as calcium carbonate) Ammonia Arsenic Calcium Chloride Conductivity (uS/cm) Fluoride Iron Magnesium Manganese Nitrate Potassium Sodium Sulphate Temperature Total Phenolics Total Organic Carbon pH ( ) Total Suspended Solids (in surface waters, 50mg/L) Units of measure = mg/L unless stated

35 LANDFILL GAS 1.25% v/v Methane Buildings Monitoring Bores Surface Traverse (25m grid)

36 CASE STUDY

37 NSW EPA License Requirement: Sampling Point #7Sampling Point #7 Effluent Quality and Volume Monitoring (Sedimentation Dam)Effluent Quality and Volume Monitoring (Sedimentation Dam) TSS not greater than 50mg/LTSS not greater than 50mg/L Required to sample all discharge from DamRequired to sample all discharge from Dam Exceedance are allowed during rain events of 71mm or greater in 5 day period.Exceedance are allowed during rain events of 71mm or greater in 5 day period.

38 February/March 2003 Rain Event: >200mm in 5 day period>200mm in 5 day period 73mm in one night73mm in one night

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45 Pollution Reduction program 1 – Erosion/Sediment Control1 – Erosion/Sediment Control 2 – Repair Erosion Damage2 – Repair Erosion Damage 3 – Stabilisation Program3 – Stabilisation Program 4 – Pump Out/Irrigation System4 – Pump Out/Irrigation System 5 – Site Operations5 – Site Operations

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50 May 2003 Rain Event: 40mmRain Event: 40mm

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57 Capping:________Revegetation_________ _________0.5m Topsoil________ _______Drainage Layer_______ ________Bentonite Seal_______ _____Gas Drainage Layer_____ SITE CLOSURE

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61 QUESTIONS QUESTIONS:


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