REV DATE REVISION DETAILS APPROVED 0 17.06.22 Draft for review. Project WAIHI NORTH Title Erosion & Sediment Control Plan Gladstone Open Pit – Year 3 - 6 Drawn ZW Checked MP Drawing No. ESCP-GOP-001-03 Sheet No. 3 NOTES 1. All erosion and sediment controls will be installed and maintained in accordance with the Waikato Regional Council Technical Report 2009/02 ‘Erosion and Sediment Control Guidelines for Soil Disturbing Activities’ (TR2009/02). 2. Completed areas to be stabilised in accordance with TR2009/02. 3. All erosion and sediment control measures will be inspected weekly by the site foreman. 4. Site monitoring will be undertaken before and immediately after rain as well as during heavy rainfall events. Any required maintenance or improvements to control measures will be undertaken immediately. SRP-GOP-02 Catchment area: 1.2ha Total volume: 240m3 Dead storage: 72m3 Live storage: 168m3 Stockpile stabilised. Gladstone Open Pit From Year 3 through to Year 6 water within the Gladstone Open Pit will be pumped to the Water Treatment Plant. KEY Erosion and Sediment Control Clean Water Diversion Dirty Water Diversion Culvert Silt Fence Sediment Retention Pond Decanting Earth Bund
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