1080 1090 1100 1110 1120 1130 1140 1150 1160 1170 1180 1190 1200 NORTHERN ROCK STACK CLOSURE TYPICAL SECTION 2 17 715 Scale 1:2500 Zone A 0.75m thick Zone G Zone F Zone H See Detail A RL123 RL113 REHABILITATION DETAILS NTS Zone H Zone G Zone F A - 16 781 Perimeter Road Perimeter Drain Northern Uphill Diversion Drain 1 1.5 Estimated maximum closure profile 1.5 min 1.5 min 0.5 min RL Collection sumps for subsoil and leachate drains Zone F 17 781 12.5 1 Rehabilitated final surface Zone E NRS Fill Zone D2 Zone D3 OCEANA GOLD NZ LIMITED 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 LIMITED the property of This drawing remains REV. No. Preliminary Issue Tender Issue Construction Issue Signed: Signed: Signed: Date: Date: Date: PROJECT: AREA: DEVELOPMENT SITE Sections NRS Closure Tails / Waste Rock 080 WAI-983-080-DWG-CI-0782 B 9018 as shown Northern Rock Stack MC ET ET TM Ground profile Existing ground profile Original ground profile Survey before fill placed in existing Northern Stockpile Estimated maximum closure profile Leachate drains Subsoil drains 19-07-21 19-07-21 19-07-21 19-07-21 19-07-21 A JL 19-07-21 Preliminary Issue WNP ET TM Notes 1. Positions and levels of subsoil and leachate drains are indicative only. B ET 12-10-21 Added Zone D3, D2, E TM TM
RkJQdWJsaXNoZXIy MjE2NDg3