Supporting Technical Assessments

0 0.2 0.4 0.6 0.8 1 1.2 0 0.5 1 1.5 2 2.5 3 3.5 Spectral acceleration, SA(T) (g) Spectral Period, T (s) SEE (10,000 Year R.P.) SEE (10,000 Years Aftershock) SEE (CME) SEE (CME Aftershcok) OBE (150 Years) OCEANA GOLD (NEW ZEALAND) LIMITED WAIHI OPERATION STORAGE 3 DESIGN SPECTRA Acceleration Response Spectra (5% Damping) Ref. No: 8983 Date: Aug 2021 Drawn: YW Engineering Geology Ltd Unit 7C, 331 Rosedale Rd, PO Box 301054, Albany Figure 14 Smoothed Class B Weak Rock Spectra Non magnitude-weighted SA(T) is larger component SAlarger

RkJQdWJsaXNoZXIy MjE2NDg3