5 | P a g e Class 1 Location Assessment Willows Road - Surface Magazine, WUG - Waihi North Project . 4. ‘Willows Road – Surface Magazine Facility’ Overview As part of the process to identify a suitable location for a class 1 storage facility the below key elements were considered. • Compliance with ‘ HSW (Hazardous Substances) Regulations 2017 ’, including achieving appropriate controlled zone offsets in relation to required capacities. • Limited environmental impact. • Minimising potential impacts on neighbouring properties. • Mine production forecasts and quantities of class 1 substances required. • Minimising the number of deliveries to site to reduce the frequency of transport of class 1 substances on public roads. Potential storage locations also considered operational and civil requirements including potential earthworks, location in proximity to active mining areas, roads, firebreak offsets and topography. After investigating a number of potential sites, a singular location that incorporated the relevant design criteria to align and comply with ‘ HSW (Hazardous Substances) Regulations 2017’ was identified. The proposed site was selected based on the previously mentioned criteria. The site underwent extensive review and is considered the most appropriate from both regulatory and operability perspective. The selected location is positioned in a remote part of the proposed property. The site has the below key benefits. • Compliant in respect of controlled zones for the proposed storage quantities (NEQ - kg) • Minimal environmental impacts. • The storage site is separated from and located at a distance to the centres of proposed mining activities (including the proposed mine infrastructure area). • Securing the site will be a straight forward process. • Limited visual exposure to surrounding district. • Remote location with sufficient offsets in respect of controlled zones. • Adequate space to construct the required mounding between individual magazines. Figure 2 (overleaf) shows the location of the proposed class 1 storage area in relation other site infrastructure.
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