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Totland Landslide Isle of Wight

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Presentation on theme: "Totland Landslide Isle of Wight"— Presentation transcript:

1 Totland Landslide Isle of Wight
Isle of Wight Council Totland Landslide Isle of Wight Peter Marsden Principal Coastal Engineer

2 Simplified geology of the Isle of Wight

3 Totland to Colwell seawall prior to the landslide which started at Christmas 2012.

4 Totland to Colwell seawall prior to the landslide looking towards Colwell.

5 Totland to Colwell seawall prior to the landslide looking towards Totland.

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12 January 2013

13 Totland coastal landslide – CCO Laser survey

14 Aerial photograph taken by HM Coastguard helicopter March 2013

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21 Totland coastal landslide – before and after

22 August 2013

23 Totland coastal landslide – CCO Laser survey August 2013

24 In the latter part of 2013 and following a tender process the Isle of Wight Council appointed consultants to: Provide technical advice on what caused the landslide Advice whether other nearby locations were at risk Provide options for repair Provide guidance on costings and Partnership Funding

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27 Three Basic options Do nothing
- Make safe and permanently exclude the public. 2. Rock revetment in front of landslide debris lobe - Approximate cost £1.5M - BCR 0.3 -IWC 92% contribution of £1.4M Rock revetment with wave wall upstand - Approximate cost £2.1M - BCR 2.4 - IWC 66% contribution of £1.4M

28 September 2014

29 Isle of Wight Council received a petition with over 4,000 signatures asking for the path to be reinstated. IWC Executive considered a report which considered Do Nothing Mend and Make Do Proceed with major scheme Gave approval to the Mend and Make Do option, and following a tender process an island contractor commenced work.

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38 October 2015

39 Totland coastal landslide – CCO Laser survey October 2015

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