Supporting Technical Assessments

81 Oct 2021 OceanaGold WNP Project, Waihi - Archaeological / Heritage Assessment need to be on a case by case basis. General Mitigation of Heritage Effects It is recommended that accidental discovery protocols be included as a condition of resource consent, advising OGNZL of their obligations under the Heritage New Zealand Pouhere Taonga Act 2014 with regards to archaeology. Overall Effects There are no known historic heritage items in the TSF3 project area. The inclusion of accidental discovery protocols, as a condition of resource consent, advising OGNZL of their obligations under the Heritage New Zealand Pouhere Taonga Act 2014 with regards to archaeology, is appropriate mitigation. Therefore, the overall effects on historic heritage after recommended mitigation are likely to be nil or less than minor in relation to the TSF3 facility. NRS The likely adverse effects on historic heritage as a result of the NRS project and recommended mitigation measures are set out in Table 16. Any positive effects on historic heritage are also outlined below, followed by an assessment of the overall effects on historic heritage of the NRS project. Table 16. Adverse effects for the NRS and proposed mitigation Potential Adverse Effect Nature of effects Proposed Specific Mitigation Measures Overall Effects (after mitigation) Queen of Waihi Shaft (T13/971) The shaft is located in close proximity to the proposed NRS infrastructure and will not be directly affected, however it will require the shaft to be infilled and capped. Detailed recording of the visible remains of this mining structure. The location of the shaft will be clearly marked on the ground so as to avoid accidental damage during the NRS project and future activities Nil to Minor Effects (Permanent, Future) Effects on archaeological potential arising from land disturbance It is unlikely that old mine workings survive in this area, or any other features associated with historical mining activity. However, the Include accidental discovery protocols, as a condition of resource consent, advising OGNZL of their obligations under the Heritage New Zealand Nil – Less Than Minor Effects

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