Supporting Technical Assessments

EGL Ref: 9216 22 June 2022 Page 19 File: WAI-983-080-REP-GT-0013_Rev0.docx This report shall only be read in its entirety. REFERENCES 1. New Zealand Society of Large Dam (NZSOLD). (2015). ‘New Zealand Dam Safety Guidelines’, IPENZ. 2. Canadian Dam Association (CDA). (2020). ‘Technical Bulletin: Guidelines for Tailings Dam Breach Analyses’, draft, dated 24 August 2020. 3. International Council on Mining and Metals (ICMM). (2020). ‘Global Industry Standard on Tailings Management’, dated August 2020. 4. Engineering Geology Ltd (EGL). (2019). ‘Oceana Gold (New Zealand) Ltd. Tailings Embankment Structure Storage 2 and Storage 1A Failure Modes and Effects Analysis (Draft)’, Ref. 3748, dated June 2019. 5. Engineering Geology Ltd (EGL). (2019). ‘Oceana Gold (New Zealand) Ltd. Waihi Mine, New Zealand Storage 2, Tailings Storage Facility, Proposed Raising to RL160.7, Detailed Design Report’, Ref. 8982 (Rev.1), dated 6 August 2020. 6. Lucia, P.C., Duncan, J.M., and Seed, H.B. (1981). ‘Summary of Research on Case Histories of Flow Failures of Mine Tailings Impoundments’, Proceedings: Mine Waste Disposal Technology, USBR IC8857, July 16. 7. Olson, S.M. and Stark, T.D. (2002). ‘Liquefied Strength Ratio from Liquefaction Flow Failure Case Histories’, Journal of Geotechnical and Geoenvironmental Engineering, Vol. 39, pp. 629-647. 8. Olson, S.M. and Stark, T.D. (2003). ‘Yield strength ratio and liquefaction analysis of slopes and embankments’, ASCE, Journal of Geotechnical and Geoenvironmental Engineering, Vol. 129, Issue 8, pp. 727-737. 9. Engineering Geology Ltd (EGL). (2020). ‘Oceana Gold (New Zealand) Ltd. Tailings Embankment Structure Storage 3, 2020 Annual Inspection Report’, Ref. 3748, dated 30 June 2020. 10. World Meteorological Organization (WMO). (2009). ‘Manual on Estimation of Probable Maximum Precipitation (PMP)’, WMO-No. 1045. Geneva, Switzerland. 11. Hydrological Engineering Centre. (2010). ‘HEC-RAS River Analysis System, Hydraulic Reference Manual’, CPD-69, U.S. Army Corps of Engineers Institute for Water Resources Hydrologic Engineering Centre. 12. Hydrological Engineering Centre. (2014). ‘Using HEC-RAS for Dam Break Studies’, U.S. Army Corps of Engineers Institute for Water Resources Hydrologic Engineering Centre. 13. Froehlich, D.C. (1995). ‘Peak Outflow from Breached Embankment Dam’, ASCE Journal of Water Resources Planning and Management, Vol. 121, Issue 1, pp. 90-97.

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