Post on 29-Jan-2016
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EQC Increased Flooding Vulnerability
• CAG overview• 22 July 2014
Outline• EQC land cover• IFV – what it is and what it isn’t• General IFV criteria• Flood modelling• Assessment process• Settlement process• Next steps
EQC land cover
• Land– Under building – 8m around building & structures– main access within 60m of dwelling
• Bridges and culverts in the land above• Retaining walls within 60m of building and
supporting the building or land as above
EQC Land Damage Cover
EQC land cover
Increased Flooding Vulnerability
IFV is – a physical change to residential land, that is – a result of the earthquakes, which– adversely affects the uses and amenities of that land, by– increasing the vulnerability of that land to flooding
events.
Changes to the insured land that result in it becoming more vulnerable to flooding as a direct result of the earthquakes are covered by EQC.
Not IFV
– Flooding that occurred pre-earthquake sequence, or – Increases in flooding due to changes to offsite
drainage due to earthquakes, or– Increases in flooding due to changes in streams and
rivers offsite.
General IFV Criteria
• The flood depth has increased by 200mm or more as a result of the Canterbury earthquake sequence, and
• The flood depth has increased by 100mm or more as a result of a single earthquake event, and
• The land has suffered observed damage as a result of the Canterbury earthquake sequence, and
• The change in flooding vulnerability has caused the value of the property to decrease.
Changes in ground levelsLiDAR surveys
• 5 different sets
Cross Section Surveys• For priority waterways
Earthquake Events
4 September 2010: 7.1M
22 February 2011: 6.3M
13 June 2011: 6.4M
23 December 2011: 6.2M
Pre-September 2010
Post-September 2010
Post-February 2011
Post June 2011
Post-December 2011
0 5 10 15 20 25 300.5
1.0
1.5
2.0
2.5
3.0
3.5
2Mile Creek Detailed Design Plan: Plan 06 11/11/2013 RS = 799.67
Station (m)
Ele
vatio
n (
m)
Legend
WS PF 6
Ground
Bank Sta
.059 .035 .059 .1
IFV Assessment Process
Next steps
• Ground truthing• Valuation• Declaratory Judgement• Possible settlement approaches
– Diminution of value– Contributing to CCC offsite flood mitigation works.