SRP SRP SRP 1 716 2 717 9018 1:4000 WAI-983-080-DWG-CI-0772 Tails / Waste Rock 080 Subsoil Drains Layout Plan D OCEANA GOLD NZ LTD JOB NUMBER: ORIGINAL SCALE: A3 SIZE: DRAWING No. DATE TITLE BY PROJECT APPR. DESIGNED CHECKED DRAWN DESIGN APPR. APPROV. CHECKED REVISION DATE BY No. C COPYRIGHT written approval from in any way without prior and may not be copied OCEANA GOLD NZ LTD the property of This drawing remains REV. No. Preliminary Issue Tender Issue Construction Issue Signed: Signed: Signed: Date: Date: Date: AREA: PROJECT: DEVELOPMENT SITE Northern Rock Stack Local Mine Grid: Mount Eden Old Cadastral Legend Property Boundary Final Embankment (downstream) Toe Drain Seepage Collection Sump Existing subsoil drain A JL 09-09-20 Preliminary Issue ET TM B JL 13-11-20 Drains Layout Changes ET TM 398000 mE 398500 mE 642500 mN NRS Collection Pond 642000 mN 643000 mN Local Mine Grid: Mount Eden Old Cadastral MC ET ET TM C MC 15-07-21 WNP NRS Design Change ET TM New subsoil drain 15-07-21 15-07-21 15-07-21 15-07-21 15-07-21 D ET 29-09-21 Toe Drain Beneath WS Ramp
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