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In October 2010 Hurricane Tomas caused significant damage to the infrastructure, agricultural and forestry sectors in St Vincent. The Government requested, and subsequently received, financing from the Caribbean Development Bank for the Natural Disaster Management – Reconstruction and Rehabilitation Project.
The primary goal of this consultancy was to reduce the vulnerability of these areas to future adverse weather events through the assessment of coastal conditions at the Project sites, mapping of risks, identification of cost-effective remedial civil works and designing the requisite medium and long-term sea defense solutions.
SWIL was responsible for:
- Collecting, reviewing and analyzing all relevant available data, including coastal zone management and shoreline protection reports and policies, and any other information relevant for the assignment;
- Reviewing bathymetric, tidal, near-shore and offshore wave climate, sediment budget and transport, marine habitat, geographic information system (GIS), aerial and hazard event data to characterize the risks and vulnerabilities of the identified coastal areas of Sandy Bay and Dark View;
- Reviewing coastal infrastructure design reports prepared by other agencies on wave climate, storm surge, and sediment transport considerations as well as climate change induced mean sea level rise projections related to SVG coastal waters;
- Liaising with the relevant agencies to determine existing land usage and future demand requirements for the 20-year design period;
- Conducting consultative and participatory stakeholder meetings periodically at appropriate points of the Project with community leaders, community groups, residents, ministerial departments and agencies;
- Reviewing and validating existing topographic and tidal information and collecting new data in the field, as is necessary, to inform subsequent phases of the assessment; gathering data including tides; nearshore bathymetric data, topographic surveys and soil and geological surveys;
- Forecasting, through the use of coastal hydrodynamic numerical modeling, the likely long-term (50-100 years) coastline behavior at the project sites taking into consideration relevant parameters including, but not limited to, the impact of climate change and sea level rise due to the forcing effect of global warming;
- Developing and presenting medium and long term coastal defense options for the project sites in an integrated programme, taking into account the economic aspects of the proposed improvement; preparing a preliminary assessment of the environmental impacts of each of the selected options;