Supporting Technical Assessments

LEGEND Proposed design WRS Clean water diversion Stormwater draininage Design crest Design toe Culvert Under drain SECTION 6 WRS 190 mRL Reinforced SW inlet structure - detail design required Remove topsoil and weak material in WRS toe and pond footprint 3m width Existing farm access track Natural incised R12 tributary channel Lined WRS toe seepage collection pond 3m height Slope 1:2 IF THIS MEASUREMENT DOES NOT MATCH WHAT IS SHOWN, THE SHEET SIZE HAS BEEN MODIFIED FROM: A3 0 25 mm TITLE PROJECT NO. REV. PROJECT CONSULTANT PREPARED REVIEW APPROVED YYYY-MM-DD WAIHI NORTH PROJECT - GEOTECHNICAL ASSESSMENT WATER MANAGEMENT - WRS SEEPAGE COLLECTION POND INDICATIVE SECTION 6 20148384 REPORT 017 FIGURE E06 CLIENT OCEANA GOLD (NEW ZEALAND) LIMITED 2021-11-22 ZJ SBC TM \\azaeccfsvm1\Auckland\GIS\Projects-Dynamics\2020\20148384_OGL_Waihi\MapDocuments Information contained in this drawing is the copyright of Golder Associates (NZ) Ltd. Unauthorised use or reproduction of this plan either wholly or in part without written permission infringes copyright. © Golder Associates (NZ) Ltd. COPYRIGHT 1. Schematic only, not to be interpreted as an engineering design or construction drawing. 2. Figure must be printed in colour. NOTES

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