24647 Seaview Tce Enviro Mgmt Plan

                                                                                                    EWSM- 1 EROSION AND SEDIMENT CONTROL (STORMWATER MANAGEMENT)
                                                                                                                                                          Version 1



EWSM- 1 EROSION AND SEDIMENT CONTROL (STORMWATER MANAGEMENT)
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
Prior to site establishment, check   Risk of environmental harm from      5      Prior to commencement of works, a visual and desktop assessment            Project Manager/
for approved Erosion and             sediment and sediment-laden water            of the site will be done to identify potential contamination.              Environmental Consultant
Sediment Control (ESC) plan          displaced from the site.                    The plan was developed by a suitably qualified person contracted by
                                                                                  Hutchinson Builders and is in accordance with International Erosion
                                                                                  Control Association Best Practice Guidelines 2008
                                                                                 No clearing or soil disturbance is undertaken unless preceded or
                                                                                  accompanied by installation of adequate drainage and sediment
                                                                                  control measures.
                                     Erosion and sediment control plan    5      Adjust to changing site conditions                                         Project Manager
                                     does not work effectively                   Erosion and Sediment Control Plans are living documents that can           Site Manager
                                                                                  and should be modified as site conditions change, or if the adopted
                                                                                  measures fail to achieve the required treatment standard.
Planning works                       Mass soil loss during significant    5      Minimise the extent and duration of soil disturbance                       Project Manager
                                     rain events                                 Clearing work should be staged to minimise the duration for which          Site Manager
                                                                                  soils are exposed to wind, rain and concentrated runoff.
                                                                                 In the northern (tropical) regions of Australia, the primary focus is on
                                                                                  effective drainage control. Without effective drainage control, all
                                                                                  erosion and sediment controls can be washed away!
                                                                                 In the southern (temperate) regions, the focus moves to erosion
                                                                                  control, or possible sediment controls.
                                     Excess sediment run-off site         5      A sediment basin will usually be required if a disturbed area exceeds      Project Manager
                                                                                  2500m2                                                                     Consultant
                                     Sediment escape from entry point     5      Site office and car parking areas identified and provided with             Site Manager
                                                                                  adequate drainage, erosion and sediment controls.
                                                                                 Site access points limited to the minimum necessary, clearly
                                                                                  identified on plans, and appropriate controls specified.
Monitoring weather                   Unexpected weather event can         5      Daily check and record weather event to avoid unexpected significant       Site Manager
                                     effect construction activities               weather events (>25mm/ 24hours)
                                                                                 Ensure earthworks and grading activities are avoided during those
                                                                                  periods of rainfall when stormwater runoff is either occurring or
                                                                                  expected to occur

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