Model Results Based on the veins’ lengths being 1,000 m, the groundwater modelling indicates inflows of up to approximately 5,200 m3/d reducing to approximately 2,400 m3/d. Figure A2 EG Vein Model Results (K=8x10-8 m/s) Figure A3 EG Vein Model Results (K=1x10-6 m/s) The extent of drawdown effects can be observed in Figures A2 and A3 based on a range of assumed rockmass permeability values. The results indicate limited surface drainage effects where a low rockmass permeability is adopted and more extensive effects when a fractured rockmass permeability value is applied.
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