Supporting Technical Assessments

WETLAND (SURVEYED) VEGETATION ZONE UP UP UP UP 1.5% SLOPE 1.5% SLOPE HEAVY VEHICLE WASHBAY SEDIMENTATION PIT SLOPE 1.5% SLOPE 1.5% SLOPE UP UP UP 3 DS DS DS CT LA LA LA STAIRS SA SA SA NER // // // // // // // // // // // CW CW > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > E E OH OH OH OH OH OH OH OH OH OH PP PP PP PP PP > > > > > > > > > > > > > > > > > > > > > > SURFACE FACILITIES AREA 2210835-CA-1111 WETLAND 20m OFFSET COLLECTION POND WILLOWS PORTAL OVERLAND FLOW PATH EFFLUENT DISPOSAL FIELD PRIVATELY OWNED RESIDENCES. HIGHLAND ROAD. OGNZL OWNED RESIDENCE. GATE. GATE PROPERTY BOUNDARY. NOISE BUND. SECURITY FENCE DETENTION POND PRIVATE VEHICLE CAR PARK NOISE BUNDS POLY FARM WILLOWS ROAD MINE ACCESS ROAD ROCK STACK MAGAZINE ACCESS ROAD EXPLOSIVES MAGAZINE 2210835-CA-1121 TOPSOIL STOCKPILE AREA This Drawing must not be used for Construction unless signed as Approved Date Check Drafting Date Drawn Revision No A1 Rev: Drawing No: Original Size Title Project Check Designer Drafted Scale Design Note: * indicates signatures on original issue of drawing or last revision of drawing Approved Checked Appvd. Cad File No: 19 May 2022 - 12:48 PM P:\221\2210835\CAD\C3D\Design_WKP Mine\Production Drawings\2210835-CA-1001.dwg Plotted By: Hamish Kerr PRC No.: PTR No.: TIN No.: Date issued.: Date issued.: Issued at.: Sheet No. Drawings as an instrument of service are the property of OceanaGold, and, as such, must not be reproduce or copied in part or in full without permission. All drawing are to be return when no longer in use. BECA DWG No: 2210835-CA-1001 WAIHI NORTH PROJECT WILLOWS ROAD SURFACE INFRASTRUCTURE LAYOUT WAI-981-000-DWG-CI-1001 J AWS AWS - 1:2000 @ A1 F FOR INFORMATION - CAR PARK, NOISE BUND AND ROCK STACK UPDATE BKH 06.09.21 G FOR INFORMATION - NOISE BUND, POLYFARM, EFFLUENT DISPOSAL FIELD JSD JvZ JvZ 29.10.21 H FOR INFORMATION - MAGAZINE ROAD, CARPARK, NOISE BUND UPDATES HEK JvZ JvZ 26.11.21 I FOR INFORMATION - UPDATES TO MAGAZINE ROAD AND ROCK STACK HEK JvZ JvZ 21.01.22 J FOR INFORMATION - UPDATE PROJECT NAME AND TITLE HEK EG EG 18.05.22 2210835 Engineer: P. GLOWREY FOR INFORMATION NOT FOR CONSTRUCTION Meters 0 60 120 1001

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