Review of Environmental Factors Cronulla Wastewater Treatment Plant Odour Management Project April 2011 © Sydney Water Commercial-in-Confidence: This report and the information, ideas, concepts, methodologies, technologies and other material it contains remain the intellectual property of Sydney Water, unless otherwise agreed. File Reference: S:\Sustainability\EP&M\WASTEWATER\Cronulla STP\Odour Project\30 Final REF\110321_DOC_Cronulla REF FINAL.doc Publication number SW239 3/11 ii Declaration and sign-off iii Abbreviations ADWF Average Dry Weather Flow ASS Acid Sulphate Soils CEMP Construction Environmental Management Plan CLM Contaminated Lands Management Act 1997 DECCW Department of Environment, Climate Change and Water (previously DECC) DOP Department of Planning DUAP Department of Urban Affairs and Planning (now DOP) DWLC Department of Water and Land Conservation EEC Endangered Ecological Community EIS Environmental Impact Statement EP&A Act Environmental Planning and Assessment Act 1979 EPBC Act Environment Protection and Biodiversity Conservation Act 1999 EPL Environment Protection Licence EP&M Environmental Planning and Management EPI Environmental Planning Instrument ESD Ecologically Sustainable Development GGBF Green and Golden Bell Frog GHFF Grey Headed Flying Fox ha Hectare FRP Fibre Reinforced Plastic IMS Integrated Management System JTA Jackson Teece Architects kV Kilovolts LEP Local Environment Plan LGA Local Government Area L/s Litres per second MCA Multi Criteria Analysis ML/d Megalitres per day m Metre mm Millimetre MWh MegaWatt hour NABERS National Australian Built Environment Rating System iv NGER Act National Greenhouse and Energy Reporting Act 2007 NPWS National Parks and Wildlife Service NSW New South Wales OEMP Operations Environmental Management Plan OTF Odour Treatment Facility OCU Odour Control Unit OU Odour Unit (measurement) PASS Potential Acid Sulphate Soils PHA Preliminary Hazard Analysis POEO Act Protection of the Environment Operations Act 1997 PST Primary Sedimentation Tanks Project The Cronulla Wastewater Treatment Plant Odour Management Project REF Review of Environmental Factors RL Reduced level: height in metres above or below the Australian Height Datum RTA Roads and Traffic Authority SSC Sutherland Shire Council SEPP State Environmental Planning Policy STP Sewage Treatment Plant (renamed to Wastewater Treatment Plant) SWEMS Sydney Water Environmental Management System TSC Act Threatened Species Conservation Act 1995 UV Ultra violet VIA Visual Impact Assessment WARR Act Waste Avoidance and Resource Recovery Act 2001 WWWIMS Water and Wastewater Integrated Management System WWTP Cronulla Wastewater Treatment Plant v Contents Declaration and sign-off...................................................................................................iii Executive summary .........................................................................................................11 1.Introduction...................................................................................................................14 1.1 Background information ..................................................................................................... 14 1.2 Scope of the REF ................................................................................................................. 14 1.3 Stakeholder and community consultation ........................................................................ 15 1.3.1 Consultation objectives .......................................................................................................... 15 1.3.2 Consultation during project development .............................................................................. 15 1.3.3 Community consultation......................................................................................................... 15 1.3.4 Consultation before and during construction ......................................................................... 15 1.3.5 Consultation during operation ................................................................................................ 16 1.4 Making a submission........................................................................................................... 16 2. Location and planning context.......................................................................18 2.1 Location ................................................................................................................................ 18 2.2 Environmental Planning and Assessment Act 1979 ........................................................ 20 2.3 State Environmental Planning Policies (SEPP) ................................................................ 20 2.3.1 SEPP (Kurnell Peninsula) 1989 and SEPP (Kurnell Peninsula) Amendment (Zoning) 2010 20 2.3.2 SEPP (Infrastructure) 2007.................................................................................................... 21 2.3.3 SEPP No. 14 – Coastal Wetlands.......................................................................................... 21 2.3.4 SEPP No. 19 – Bushland in Urban Areas.............................................................................. 22 2.3.5 SEPP No 26 – Littoral Rainforests......................................................................................... 22 2.3.6 SEPP No. 33 – Hazardous and Offensive Development....................................................... 22 2.3.7 SEPP No. 71 – Coastal Protection ........................................................................................ 22 2.4 Sutherland Shire Local Environment Plan (LEP) 2006 .................................................... 23 2.5 Other legislative considerations ........................................................................................ 23 2.5.1 Coastal Protection Act 1979 .................................................................................................. 23 2.5.2 Protection of the Environment Operations Act 1997 .............................................................. 23 2.5.3 Heritage Act 1977 .................................................................................................................. 24 2.5.4 Waste Avoidance and Resource Recovery Act 2001 ............................................................ 24 2.5.5 National Parks and Wildlife Act 1974 ..................................................................................... 25 2.5.6 Contaminated Land Management Act 1997 .......................................................................... 25 2.5.7 Dangerous Goods Act 1975 ................................................................................................... 25 2.5.8 Threatened Species Conservation Act 1995 ......................................................................... 26 2.6 Commonwealth legislation ................................................................................................. 26 vi 2.6.1 Environment Protection and Biodiversity Conservation Act 1999 ......................................... 26 2.6.2 National Greenhouse Energy Reporting Act 2007 ................................................................. 27 2.7 Local council approvals/liaison.......................................................................................... 27 3. Alternatives and justification for the project.................................................28 3.1 Project need.......................................................................................................................... 28 3.2 Existing plant operations .................................................................................................... 28 3.3 Alternatives and their assessment..................................................................................... 31 3.4 Preferred option ................................................................................................................... 33 3.5 Ecologically Sustainable Development ............................................................................. 34 4. Description of the proposed work and activities ..........................................39 4.1 Objectives of the project ..................................................................................................... 39 4.2 Scope of work....................................................................................................................... 39 4.3 Proposed activities .............................................................................................................. 40 4.4 Materials and equipment..................................................................................................... 42 4.5 Work sites, access and vehicle movements ..................................................................... 43 4.6 Work times and timeframes ................................................................................................ 43 4.7 Changes to the Project........................................................................................................ 44 5. Existing environment, potential impacts and measures..............................45 5.1 Topography, geology and soils.......................................................................................... 45 5.1.1 Existing environment.............................................................................................................. 45 5.1.2 Impacts and environmental mitigation measures .................................................................