Supporting Technical Assessments

- Rainfall Recharge = 10% - Mine = T Stream Seepage review – 100 m RL - Mine = EG Seepage review – 300 m RL - Model Results The model results indicate similar inflow volumes to the EG vein model. As discussed above, further assessment of these inflow volumes is required following development of a 3dimensional groundwater model as the sensitivity to rockmass permeability needs further testing. Figure A5 T-Stream Vein Model Results (K=8x10-8 m/s) Figure A6 T-Stream Vein Model Results (K=1x10-6 m/s)

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