Supporting Technical Assessments

LEGEND Proposed design WRS Clean water diversion Stormwater draininage Design crest Design toe Culvert Underdrain SECTION 1 Uphill diversion channel Refer to Table 20 CW- Flat for channel details 265 mRL bench (final surface Q17) WRS Q17 Strip and stockpile topsoil material 0.3m Underdrains - Armour rock filled channel - design by others Haul road side drainage - see Figure 15 and Table 20 WRS haul road - 16.3 m Carriage way dual lane - 12 m Construct safety bund on outside edge (0.5 height largest vehicle tired assymed TH663i) - 1m height, sides 1:1m width of flat spot top of windrow 0.5m. Bench grade 2% to inside. SW - 210 mRL bench contour drain Refer to Appendix F Table 20 Seepage collection pond CW diversion channel Refer to Table 20 Original surface Access road cutting - rock-lined side SW drainage channel Refer Haulroad Fig 15 Channel Table 20 WRS at Q17 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 INDICATIVE SECTION 1 (Q17) 20148384 REPORT 017 FIGURE E01 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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