Managing Flooding and Erosion Risks from Rivers

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The effective management of the risks associated with erosion and flooding from rivers and streams is vitally important for the protection of key infrastructure and providing for the safety and well-being of the communities that live on floodplains.

This course will provide an overview of river and stream processes, hydrological and hydraulic analysis tools, risk management frameworks and an outline of structural and non-structural flood and erosion management options.


Click here to register your interest for this course and we will contact you when we get a course running in your area.

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1 day course.

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Kyle Christensen

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$695 + GST per person

(Minimum numbers are required before a course is be confirmed)

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Topics include

River Processes:

  • Form and function of rivers
  • Estimating future behaviour
  • Hydrology including description of methods
  • Hydraulics including outline of different tools available

Risk Management Techniques:

  • Elements of effective flood and erosion risk management
  • Introduction to NZS:9401 Managing Flood Risk – A Process Standard 

Structural Options:

  • Outline of river and bridge protection options including rip-rap, sheetpiles, groynes, trees and geosynthetics
  • Outline of culvert protection options including stilling basins and secondary overflow paths
  • Outline and examples of of river diversions and issues with aggradation
  • Outline and examples of stopbank design including basis for best practice of “making room for rivers”

Non-Structural Options

  • Planning Controls
  • Emergency Management including evacuations and associated requirements for flood forecasting
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On completion of this course participants will

  • Have a broad understanding of river processes and how they affect and are affected by adjacent infrastructure
  • Awareness of the types of information that can assist with predicting future river behaviour
  • Understand the range of hydrological and hydraulic analysis tools available and when to use them
  • Understand the different tools available for managing flood and erosion risk
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Who should attend

Engineers, planners, scientists, contractors and others responsible for managing flooding and erosion risks from rivers and streams

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Presenter information

Kyle Christensen MBA, ME, BE (Hons), CPEng, CMEngNZ, IntPE, is an independent consultant specialising in the management of flooding and erosion risks.  Kyle has a Master of Engineering specialising in the interaction of engineering infrastructure and geomorphology in fluvial and coastal environments and is the past chairman of the Engineering NZ/WaterNZ Rivers Group. Kyle has over 18 years’ experience in analysing river and stormwater systems and developing engineering solutions to solve erosion and flooding issues. He has worked on waterway infrastructure design projects in the UK, Republic of Ireland, Middle East, South America, Australia and throughout NZ and has recently undertaken the review of the management of the Rangitaiki River in response to the failure of the floodwall at Edgecumbe. 

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