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Post-Event Review Capability

The Post-Event Review Capability (PERC) methodology was created by Zurich Insurance to provide research and independent reviews of large flood events. It seeks to answer questions related to aspects of flood resilience, flood risk management and catastrophe intervention. It looks at what went well, as well as opportunities for improvement, and results in a set of recommendations for the future.

Use this page to learn about the PERC methodology, read full PERC reports or find specific recommendations.

PERC Reports

Using PERC methodology

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The PERC manual

The PERC manual

The Post-Event Review Capability (PERC) is a systematic framework for the analysis of a disaster...

Zurich’s Post-Event Review Capability: Global lessons for reducing risk and increasing resilience

Zurich’s Post-Event Review Capability:...

Impacts from disasters are getting worse. Yet after a disaster, there is rarely time to learn what...

Houston and Hurricane Harvey: a call to action

Houston and Hurricane Harvey: a call to...

Hurricane Harvey made landfall near Rockport, Texas on August 25, 2017 as a Category 4 storm. Over...

 

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DRM Cycle

  • Coping
  • Corrective Risk Reduction
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  • Reconstruction

Theme

  • Assets and Livelihoods
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Published Year

  • 2010
  • 2011
  • 2014
  • 2015
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  • 2017

Flood Type

  • Coastal
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Capitals

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4Rs

  • Robustness
  • Redundancy
  • Resourcefulness
  • Rapidity

PERC Recommendations

Search all the PERC recommendations produced in all PERC reports. Refine your search using the criteria on the left.

Total: 127 results found

If protection structures are needed, we recommend building in redundancies rather than relying on single protection features, such as a levee.

If a levee fails, then the whole protection system fails. Redundant measures could include those that provide resilience in operations, as well as the design of a particular structure, including the overload case. Such a...

Build outside flood hazard areas.

While we cannot stop nature from producing floods, we can avoid the consequences by putting ourselves out of harm’s way, and learn to better cope with floods where we cannot fully escape them. Zoning laws and building ...

Improving the early warning system is key

Help for this might come from the European Floods Awareness System (EFAS), an early flood warning system complementary to national and regional authorities. It provides national institutes and the European Commission wit...

Better implementation of integrated flood risk management is necessary.

This means engaging the right stakeholders in an iterative dialogue at the right time and getting them to agree funding for pre-event risk reduction. Again, this pre-event prevention is far less costly than post-event re...