Mount Morgan Mine Upper Mundic Gully TSF EA Amendment

3.2 Failure location

In accordance with the criteria described in Section 2.3, the failure locations for both Stage 1, 3 and 5 were selected to maximise the tailings release. Figure 3.1, Figure 3.2, and

Figure 3.3 display the Sandstone Gully TSF failure locations selected for this assessment for each embankment layout. These locations were chosen because they align with the highest section of the embankment and are expected to generate a larger release volume compared to other locations.

Project No PS213278 Sandstone Gully TSF Dam Break and Consequence Category Assessments Mount Morgan Gold Mine Heritage Minerals

WSP January 2025 Page 10

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