GHD | Oceana Gold (New Zealand) Limited | 12537997 | Gladstone Pit TSF 41 Figure 27 Estimated failure surface for wave run-up calculations Figure 28 Failure scenarios considered Summary of results The calculated wave run-ups for each scenario are shown in Table 8. These results demonstrated that the available freeboard above the maximum operating pond is considered reasonable to reduce the risk of a rockfall causing an overtopping wave. Note this scenario is only relevant as the tailings approach the final level (prior to this the freeboard is much larger than any potential wave run-up).
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