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| INDEX | ||||
| Executive Summary | III | |||
| 1.0 | Introduction | 1 | ||
| 1.1 | Mining Background | 1 | ||
| 1.2 | Mining Subsidence Review | 1 | ||
| 1.3 | Previous Reporting | 4 | ||
| 2.0 | Subsidence Crate Review | 5 | ||
| 3.0 | Void Migration Calculations for North Branch, Mary, No. 2 and Martha Stopes | 6 | ||
| 4.0 | Pedestrian Safety in Waihi Hazard Zones | 7 | ||
| 5.0 | Ground Deformation at Waihi | 9 | ||
| 5.1 | General ground deformation near mines | 9 | ||
| 5.2 | Terminology | 10 | ||
| 5.3 | Deformation at Waihi | 10 | ||
| 5.4 | The types of ground deformation near Martha Mine at Waihi | 11 | ||
| 5.5 | Recommended Additional Ground Movement Monitoring | 13 | ||
| 5.6 | Future Ground Movements | 14 | ||
| 5.6.1 | Estimating the extent of slow (type 4) ground movements | 14 | ||
| 5.6.2 | Possible extent of long-term ground movements | 15 | ||
| 5.7 | Possible remote sensing DInSAR monitoring | 15 | ||
| 6.0 | Summary and Conclusions | 18 | ||
| 7.0 | Acknowledgements | 19 | ||
| 8.0 | Limitations of the Report | 19 | ||
| 9.0 | References | 20 | ||
| Figures 5, 5a, 5b | 21 | |||
| Figures 6, 7, 7a | 24 | |||
| Figures 8, 9, 10 | 27 | |||
| Stopes | 30 | |||
| 10.0 | Appendices | 36 | ||
| Appendix 1 – T W Maton AusIMM Nelson Paper 2004 | 37 | |||
| Appendix 2 – PSM125.L88 report | 40 | |||
| Appendix 2\PSM125.L88 Rev 1.pdf (9 pages) | ||||
| Appendix 2\PSM125.L88 FIGURE 1.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 2.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 3.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 4.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 5.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 6.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 7.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 FIGURE 8.pdf (1 page) | ||||
| Appendix 2\PSM125.L88 Attach A part 1.pdf (5 pages) | ||||
| Appendix 2\PSM125.L88 Attach A part 2.pdf (5 pages) | ||||
| Appendix 3 – Professor Elms 2002 report on Road Safety in Waihi | 68 | |||
| Appendix 4 – Remote Sensing Monitoring by Sergei Samsonov, GNS Science | 70 | |||
