Hudbay Minerals Inc.
For the period ended Sep 30, 2026. Filed Oct 23, 2026.
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Sep 30, 2026 · Filed Oct 23, 2026
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EX-99.1 · Table 16-2: Minimum Mining Width
Table 16-2: Minimum Mining Width
| Minimum Mining Width Parameter | Measurement (ft) |
|---|---|
| Target minimum mining width | 460 |
| Minimum mining width between pushbacks | 190 |
| Minimum mining width at pit bottom | 120 |
Based on the technical specifications for the primary loading unit and hauling equipment, Figure 16 2 illustrates the baseline for pit designs. Utilizing a CAT 6060 shovel paired with CAT 794 (320-ton class) haul trucks, an estimated minimum mining width of 57.6 meters (189 ft) represents a robust and well-proportioned baseline for design, serving as the reference standard for determining target distances between pushbacks.
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