Supporting Technical Assessments

Appendix 9: Ecological Compensation Ratio (ECR) and mitigation quantum for streams Boffa Miskell Ltd | Waihi North Project: Freshwater Ecological Assessment | 100.06% of impact accounted for TSF3 Ruahorehore Impact Streams RUA_DIVERSION 1.41 1768 m 1.35 m 1,799 m 1 m 53.15% Utilises all available mitigation at RUA_DIVERSION and RUA_IMPACT (upper) . 100.12% of impact accounted for. RUA_IMPACT (upper) 3.93 128.1 m 1.52 m 2.06% RUA (trib to diversion) 2.39 1,265 m 2.21 m 44.90% Ruahorehore Stream (RUA) RUA (trib to diversion) 1.69 660 m 2.45 m 660 m 2.21 m 100.7% Utilises remaining 660 of mitigation at RUA (trib to diversion). 100.7% of impact accounted for.

RkJQdWJsaXNoZXIy MjE2NDg3