Approved Plans MCU23-0109 RAL23-0017 OPW23-0123 · MCU23/0109

ARBORIST INSPECTION 20 KAURI ST COORO

The Visual Tree Assessment (VTA) methods as described in ‘The Body Language of Trees. A Handbook
for Failure Analysis. Research for Amenity Trees’ by Mattheck and Breloer (Mattheck, et al., 1994) is
used in association with the International Society of Arboriculture’s guidelines in this report.

 

196 ‘THE BODY LANGUAGE OF TREES

 

© VITALITY
- leaves
- bark

 

@ FUNGI
@ OLD BRANCHES
‘© BRANCHES:
IN‘ @ OTHER ABNOR-
SUBSIDE’ MALTHINGS
WOUND

OCCLUSION

@ BOTTLE-BUTT
@ SOIL CRACKS

 

 

 

 

 

 

 

 

 

 

}@ KNOCKING WITH | |@ KNOCKING

HAMMER

l@ SOUND VELOCITY| | MEASUREMENT
MEASUREMENT | |@ REMOVE SOIL

}@ RESISTOGRAPH |}@ RESISTOGRAPH

 

 

 

 

 

 

  

1 iS
Fig 120. The Visual Tree Assessment (VTA) procedure for assessing trees.
As the suspicion increases that defects are present, the examination becomes
more thorough and searching.

Tree Risk Management Specialist