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Mon, 22 Aug


Christchurch Netball Centre, The Atrium

Protecting trees on construction sites Workshop – Christchurch

22 August, 9am-1pm

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Protecting trees on construction sites Workshop – Christchurch
Protecting trees on construction sites Workshop – Christchurch

Time & Location

22 Aug 2022, 9:00 am – 1:00 pm

Christchurch Netball Centre, The Atrium , THIS WORKSHOP PROVIDES UP TO 4 ISA CEU POINTS

More Info


The workshop is in three parts.

Part one includes a brief and basic recap on tree biology, it takes a look at root system architecture and fundamental tree allometry and introduces some empirical research that investigates the effects of root removal.

Part two is all about the soil. It includes a recap on soil texture, structure and all the important ingredients for a healthy rhizosphere.

Part three takes a brief look at the RMA from an arborist’s perspective, and how the regulatory system influences our actions when it comes to tree preservation, and the role of the works arborist in that process. It wraps up with a selection of tricks and tips for tree protection techniques on work sites.

The workshop content is relevant to anyone who has an interest in protecting trees from construction impacts, both during the design and implementation stages.

About the presenter:

Andrew Benson is an arboricultural consultant in Auckland with a specialist interest in the below-ground world of trees. He is regularly called on by the ISA to provide technical input into best practice recommendations and has presented his research findings at conferences around the world. With a Ph.D. from the University of Canterbury, Andrew will deliver this half-day workshop on how to protect trees from construction impacts.

This workshop is a Christchurch City Council requirement for all council approved Supervising Arborists


NZ Arb Member $230+GST per person

Non Member $280+GST per person

 Cancellation policy: 

  • Cancellation will not be accepted. The booking will be charged and invoiced with the full fee.
  • If a registrant is unable to attend the course, the registration may be transferred to another suitable person to attend 2 days before the start. All transfer requests must include the new attendee’s name, email address and telephone number and received in a written format and can be emailed to
  • No refunds will be given by NZ Arb for no-shows.

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