Supporting Technical Assessments

1 | P a g e Class 1 Location Assessment Development Site – Surface Magazine, Waihi North Project Table of Contents 1 Executive Summary 2 2 Introduction 3 3 Regulatory Compliance Considerations for Class 1 Storage Facilities 3 3.1 Location Compliance Certification 4 3.2 Other Design and Storage Considerations 4 4 Development Site – Surface Magazine Facility Overview 4 4.1 Operational and Product Storage Capacity Requirements 6 4.2 Controlled Zone Considerations 6 4.3 Controlled Zone Considerations Relating to Regulatory Thresholds 6 4.4 Proposed Magazine Facility Layout and Site Detail 9 5 Conclusion and Summary 10 Terms and Definitions 12 Reference A – Legislative Framework within New Zealand 13 Reference B – Supporting Standards and Guidance 13 Reference C – Formulae and Scaling Law for Controlled Zone Calculations 13

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