Supporting Technical Assessments

91 Oct 2021 OceanaGold WNP Project, Waihi - Archaeological / Heritage Assessment associated artefacts) to be recorded and preserved, in mitigation of the modification of the site. Summary of Historic Heritage Requirements under the HNZPTA : The Waihi North Project will affect a number of recorded archaeological sites and therefore Authority must be obtained from Heritage NZ before any work can be carried out that may affect these sites. Other, so far unidentified, subsurface or near surface features relating to mining activities and the early history of Waihi township could also be exposed, therefore, all works undertaken for this project should be included in the Authority application. The conditions of the Authority are likely to include the archaeological recording/investigation of any remains affected. Conclusions The WNP will result in a number of historic heritage effects, primarily associated with the WUG SFA and the proposed Gladstone Open Pit. The WUG mine main infrastructure site will impact on a section of the Mataura or Waihi Gold Mining Co. Water Race T13/961, and one of the branches of the High-Level Timber Tramway T13/963 that will be removed / buried by the proposed rock stack. The Services Trench alternative alignment to the Processing Plant will impact on a small section of the Low Level Water Race (T13/817). The Gladstone Open Pit will impact on a substantial part of the Gladstone gold mining complex (T13/821), part of the Winner Hill gold mining complex (T13/820); and a small section of Low Level Water Race (T13/817). Other sections of T13/817 may be impacted upon by the harvesting of pine trees around the southern extent of Winner Hill. The NRS will impact on the Queen of Waihi Shaft (T13/971), which will be infilled and capped. The proposed TSF3 will have no direct physical impact on any known historic heritage items. The WNP will also affect a number of recorded archaeological sites and therefore, Authority must be obtained from Heritage NZ before any work can be carried out that may affect these sites. Other, so far unidentified, subsurface or near surface features relating to mining activities and the early history of Waihi township could also be exposed, therefore, all works undertaken for this project should be included in the Authority application. The conditions of the Authority are likely to include the archaeological recording/investigation of any remains affected. Any consent granted should, as a condition of resource consent, include accidental discovery protocols and an advice note advising OGNZL of their obligations under the Heritage New Zealand Pouhere Taonga Act 2014 with regards to archaeology.

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