Supporting Technical Assessments

June 2022 G-14642.71-006-R-Rev0_FINAL 47 ABBREVIATIONS Abbreviation Definition AE Acoustic Emission AEP Annual Exceedance Probability BECA Beca Engineering & Consulting Company BGL Below Ground Level Bt Bulk tonnes CAPEX capital expenditure DoC Department of Conservation D&B Drill and Blast EGL Engineering Geology Ltd EIA Environmental impact assessment FAR fresh air raise FoS Factor of Safety GHD GHD Limited Golder Golder Associates (NZ) Limited or any of its subsidiaries GWS GWS Limited Kg kilogram(s) LOM life of mine m metre(s) m² square metres m³ cubic metres M Million m/yr metres per year µ Micro NZSOLD New Zealand Dam Safety Guidelines, May 2015, IPENZ (NZSOLD) NZ$ New Zealand dollar

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