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Buffalo Beach Coastal Erosion Management Strategy. Part II Technical Appendices

Report: TR 2006/20
Author: Beca Carter Hollings & Ferner Ltd., in association with Economos Ltd. and Covec

Abstract

Environment Waikato (EW) and Thames Coromandel District Council (TCDC) have identified coastal erosion as being a significant hazard risk to Coromandel properties. Projected sea level rise over the next 100 years is estimated to lead to another 15-20 metres of erosion along beaches on the eastern Coromandel, putting approximately 920 properties at risk.

EW and TCDC are working together to address the hazard, beginning with two priority sites – Buffalo and eastern Cooks Beach. The objective was to identify issues and options at the sites and select the most technically feasible and cost effective coastal erosion mitigation option. For the first time, economic analyses were used to estimated the costs and benefits of the different management options to property owners and the wider community over 50 years time. Environmental costs and benefits such as changes in the natural character of the beach as well as engineering costs as a result of a specific option were quantified and included in the assessment.

The strategy is being used as part of a wider consultation programme with the community and other stakeholders to ultimately select a preferred coastal erosion strategy for Buffalo Beach that promotes sustainable management of the coastal area.

These are the technical appendices that accompany the main report (Technical Report 2006/19). See Appendix C for discussion on provisions of regional and district statutory documents that relate to sustainable management of the coast. Appendix F shows the total costs and benefits of the proposed coastal erosion management option on property owners and the wider community. Appendix J contains the proposed action plan and lessons learnt.

Buffalo Beach Coastal Erosion Management Strategy. Part II Technical Appendices
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Buffalo Beach Coastal Erosion Management Strategy. Part III Technical Appendices
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Table of Contents

Appendix A - Background to Project and Methodology  
Appendix B - Background Information on Buffalo Beach  
Appendix C - Policy/Planning Framework  
Appendix D - Screening of Options  
Appendix E - Definition of Options  
Appendix F - Economic Analysis  
Appendix G - Definition of Indicators  
Appendix H - Assessment of Options  
Appendix I - Results of Assessments  
Appendix J - Action Plan and Lessons Learned  
Appendix K – Bibliography  
Appendix L – Glossary