400 500 600 700 800 900 1000 1100 1200 -0.55 -0.50 -0.45 -0.40 -0.35 -0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0.00 0.05 0.10 May-1988 May-1989 May-1990 May-1991 May-1992 May-1993 May-1994 May-1995 May-1996 May-1997 May-1998 May-1999 May-2000 May-2001 May-2002 May-2003 May-2004 May-2005 May-2006 May-2007 May-2008 May-2009 May-2010 May-2011 May-2012 May-2013 May-2014 May-2015 May-2016 May-2017 May-2018 May-2019 May-2020 May-2021 May-2022 May-2023 May-2024 May-2025 May-2026 May-2027 May-2028 May-2029 May-2030 May-2031 May-2032 May-2033 May-2034 Mine Dewatering RL (m) Settlement (m) 1.05 1.06 1.09B 1.11B 1.26 15C 2.13 2.14A 2.15 2.16 2.18 2.19B 2.20. 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29B 2.30B. 2.31B 2.41 21AC 21FB 21GC 21HC 22A 22BC 22C 22D 22E 23AB 23B 26AE 26BE 26CE 26F 26G 26H 26I 26JB 26MB 26NC 26OB 27AB 27DC 27E 27F 27G 27H 27I 27J 27KB 27L 27M 27N 27O 2GB 2HB 3.01 3.02 3.04B 3.09 3.10A 3.11A 3.13 3.6A 30AB 30BB 4.05 4.07 4.08 7BB AP100 BANK1 BARRY1 BARRY2 BARRY3 BARRY4B BARRY5 BARRY6 BARRY7 BARRY8 BM15 BM2 BM22 BM23 BM26 BM30 CUBA F30B F31B F32B F33 F34C F35B GW MATAURA1 MORTON SM822 STAFFORD 21J 21L 21I 21Q 21P 22G 22H 22I 22J 22KB 22L 22M 23D 23E 23F 23C Avg. Settlement Settlement Trigger Level Martha Pit/ Town UG Water Level MUG Empire PC1 UG Bore MUG Edward PC2 UG Bore MUG GW Drawdown Linear (Avg. Settlement) OCEANA GOLD (NEW ZELAND) LTD WAIHI NORTH PROJECT Ground Settlement - Zone 4 Settlement Trigger Level 160mm Ref. No: 9049 Date: Feb 2022 Drawn: CL/ET File: 9049-Settlement Engineering Geology Ltd Unit 7C, 331 Rosedale Rd, PO Box 301054, Albany Auckland , NZ Ph (09) 4862546 Fax (09) 4862556 Figure 56
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