Victorian Desalination Project - AquaSure

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Overall Activity Reserve Osmosis and Potabilisation Commissioning Overall Systems Commissioning Commissioning Environmental Sub-plan (CESP) Significant Environmental Aspect Potential Hazards and Impacts Potential injection of dilute sodium hypochlorite for biofilm control of SWLP, DMPF, Cartridge filter systems prior to feed to RO. Biofilm control of systems prior to feed to RO. Commissioning of RO Chemicals and potabilisation chemical systems, including sodium hypochlorite, sodium bisulphite, antiscalant, carbon dioxide, FSA, Lime. Flushing of RO piping from Cartridge Filter to RO 1st & 2nd Pass (Disposal of water to Outfall from RO Building Pipe Flushing). Commissioning of 1st & 2nd pass RO system without retention of permeate. RO commissioning and Potabilisation Process Commissioning, without retention of permeate. Reliability Test Retention of permeate and discharge of brine. Commissioning of Stabilisation Pond. Commissioning of the VDP - multiple streams & retention of permeate. • Overdosing or poor neutralisation resulting in off-spec discharge and impact on marine flora and fauna. • Overdosing or poor neutralisation resulting in off-spec discharge and impact on marine flora and fauna. • Spills or leaks of chemicals resulting in contamination of soils and/or groundwater/surface water and associated ecosystems • Spills during truck loading/unloading resulting in contamination of soils and/or groundwater/surface water and associated ecosystems • Overdosing resulting in off-spec discharge and impacts to marine flora and fauna • Construction debris remaining in tunnel causing discoluration and/or turbidty resulting in impacts to marine environment. • Overflowing of pits in RO building resulting in contamination of surface water runoff. • Overdosing of caustic soda to 2 nd pass feed resulting in off-spec discharge and impacts to marine flora and fauna. • Potential discharge of potabilisation chemicals resulting in off-spec discharge and impacts to marine flora and fauna. • Failure of inline monitoring system resulting in off-spec discharge and impacts to marine flora and fauna. • Brine discharge causing impact to marine flora and fauna • Low flows resulting in poor dilution and impacts to marine flora and fauna • Discharge of insufficiently neutralised chemicals to the outlet resulting impacts to marine flora and fauna. • Brine discharge causing impact to marine flora and fauna Pipeline Commissioning. • Discharge of chlorinated and/or turbid water resulting in impact to Cardinia Reservoir • Leakages resulting in uncontrolled discharge and impact to surface water ecosystems // Page 19 // TDV-0-EV-SB-0021.I-03
Overall Activity Commissioning Environmental Sub-plan (CESP) Significant Environmental Aspect Potential Hazards and Impacts RO membranes Clean in Place (during operation, after approx 6-12 months from commissioning). • Disposal of neutralised effluent from Cleaning in Place / flushing of membranes resulting in impact to marine flora and fauna. Management and monitoring of the potential hazards and impacts listed in Table 3-2, together with those associated with other environmental issues/receptors is done so through a combination of the existing D&C Environmental Management Plan (and associated Area EMPs) and specific controls developed as part of this CESP. This relationship is outlined below in Table 3-3, grouped by environmental issue/receptor. Environmental issue/receptor Table 3-3: Management and Monitoring summary of environmental hazards and impacts M G M T M O N I T Existing EMPs CESP Reference Documents Archaeology � � Continue to be managed and monitored through the D&C PGA EMP and its associated Archaeological and Cultural Heritage Sub Plan (Attachment I1). Hazardous materials � � Storage and handling of hazardous materials is managed and monitored through the D&C PGA EMP and its associated Hazardous Materials Sub Plan (Attachment I2). Newly created habitat (site rehabilitation) � � Managed and monitored through the D&C Utilities and PGA EMPs. Air quality � � Conformance with the State Environment Protection Policy (Air Quality) is managed and monitored through the D&C PGA EMP and its associated Air Quality Sub Plan (Attachment I4). Flora and fauna � � Management and monitoring of terrestrial flora and fauna is addressed through the D&C PGA EMP and its associated Flora and Fauna Sub Plan (Attachment I5). Resource efficiency � � Managed and monitored through the Resource Efficiency Sub Plans of the Area EMPs. Soil management � � Managed and monitored through the D&C PGA EMP. M G M T M O N I T Reference Documents � � Management and monitoring of hazardous materials is addressed in this CESP. � � Monitoring and assessment managed and monitored through this CESP and associated Commissioning Procedure for Odour Assessment (COMM-52). � � The impact on aquatic flora and fauna due to the discharge of off-specification water is managed and monitored through this CESP. � � Management and monitoring of energy, water and wastes directly associated with commissioning is addressed through this CESP. // Page 20 // TDV-0-EV-SB-0021.I-03
Page 1 and 2: Victorian Desalination Project TDJV
Page 3 and 4: Commissioning Environmental Sub-pla
Page 5 and 6: Definitions and Acronyms AEMP Area
Page 9 and 10: 1.2 Application Commissioning Envir
Page 11 and 12: 2 Project Overview 2.1 VDP Project
Page 13 and 14: 2.1.1 Area 1 - Marine Intake and Ou
Page 17: Commissioning Environmental Sub-pla
Page 25 and 26: 4.4 Project Management Documentatio
Page 27 and 28: 4.6.2 Commissioning Work Packs Comm
Page 31 and 32: 5.3 TDJV Roles and Responsibilities
Page 33 and 34: Title Role and Responsibility All S
Page 35 and 36: Table 6-1: Register for Environment
Page 37 and 38: Action Responsibility Initial Issue
Page 39 and 40: 7 Competency Training and Awareness
Page 41 and 42: 8 Communications 8.1 AquaSure Commu
Page 43 and 44: 10 Checking 10.1 Monitoring and Mea
Page 47 and 48: 11 Review, Reporting and Improvemen

Victorian Desalination Project - AquaSure

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