24647 Seaview Tce Enviro Mgmt Plan

                                                                                                                                                       EWSM- 2 WASTE MANAGEMENT
                                                                                                                                                                         Version 1



Hierarchy of Control (HOC): 1. Eliminate 2. Substitute 3. Isolate 4. Engineer 5. Admin 6. PPE


                                                                                                                                                           Responsible Person/s
  Environmental Aspects                        Impacts                   HOC                        Controls / Work Methods
                                                                                                                                                           for Monitor & Review

Managing excess concrete &        Water that comes into contact with      5     Excess concrete is dumped on an impervious surface (i.e. black           Site Manager
concrete wash water               cement, uncured concrete,               1      plastic) and allowed to harden. Unused wet concrete should not be        HSE Advisor
                                  concrete dust, etc, quickly                    dumped on bare ground to harden because this can contribute to
                                  produces a strong alkaline solution            ground water and surface water contamination.
                                  that causes chemical burns to fish,           Only wash concrete, concrete tools, mixers, and wheelbarrows at
                                  insects and plants. If even a small            designated location (concrete wash bay/ bunded area)
                                  volume of concrete wastewater is
                                  allowed to enter streams, lakes,              Concrete washout areas are to collect and retain all the concrete
                                  wetlands or harbours through the               washout water and solids in leak proof containers/ bunded area,
                                  stormwater system, it can cause               Check concrete washout facilities daily to determine if they have been
                                  immense damage to the                          filled to 75% capacity, which is when materials need to be removed.
                                  environment.
                                                                                Spilt or surplus mortar or blockfill should be allowed to harden and
                                                                                 removed from site as hardfill.
                                  If the wash water is dumped on the            Do not dilute the runoff and dispose of it to the stormwater system      Site Manager
                                  ground it can run off site to                 DO NOT USE SEDIMENT FENCE AS BUNDING MATERIALS                           HSE Advisor
                                  adjoining roads and enter roadside             AROUND THE CONCRETE WASH AREA
                                  storm drains, which discharge to
                                  surface waters such as rivers,                Lay portable bund beneath concrete pump to collect concrete runoff
                                  lakes, or estuaries.                           water.
                                  Rainwater polluted with concrete
                                  wash water can percolate down
                                  through the soil and alter the soil
                                  chemistry, inhibit plant growth, and
                                  contaminate the groundwater. Its
                                  high pH can increase the toxicity of
                                  other substances in the surface
                                  waters and soils.
Managing Acid Sulfate Soil        Contaminate stockpile and               5     See EWMS-5: Acid Sulfate Soil Management for details                     Site Manager
                                  stormwater runoff                       1                                                                               HSE Advisor
Manage and Record Waste           Misleading documents to the             5     All waste and recyclables shall be disposed of by a licensed             Site Manager
transaction                       department and for transporting a       1      contractor.                                                              HSE Advisor
                                  regulated waste                               Complete Waste Tracking Certificate for        TRACKABLE WASTE
                                                                                 only:



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