Meetings on hazard options

The Dunedin City Council will present its preferred options for managing natural hazards on the Taieri and Saddle Hill at public meetings next week.

The council will today release its preferred options on natural hazards for all of Dunedin.

Council city development policy planner Sally Dicey said the meetings were part of work on Dunedin's second-generation district plan (2GP). Otago Regional Council staff will also attend the meetings to present the technical assessment of the risks.

Staff from both councils, including civil defence representatives, will be available to answer questions.

''This time we have actual proposed 2GP hazard maps to show particularly affected communities, along with our proposed approach to managing activities in these areas.''

The city council had used regional council advice to propose an approach for managing land use and development in at-risk areas.

The most affected types of development were likely to include residential development, retirement villages and early-childhood centres.

Farming, forestry and normal recreation activities were likely to be largely unaffected.

A regional council report on the natural hazards affecting the Taieri Plain was released in 2012.

The report showed much of the plain was vulnerable to some risk associated with hazards such as flooding, alluvial fans, landslips, earthquakes and tsunamis.

''The effects of a particular event will vary across the plains, however, depending on a variety of factors,'' it said.

• The meetings will be held in the Downes Room at Mosgiel Library at 7pm next Wednesday and the Ocean View Hall at 7 the following evening.



Overview of hazards affecting the

Taieri: Mosgiel: surface run-off, ponding, river flooding, liquefaction.

Wingatui: surface run-off, ponding, alluvial fan.

North Taieri: river flooding, surface run-off, alluvial fan, liquefaction.

Green Island-Abbotsford: river flooding, landslips. Westwood to Sunnyvale: tsunami, storm surge, surface run-off, river flooding.

Brighton-Ocean View: storm surge, tsunami, sea-level rise, river flooding, ponding. liquefaction.


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