How significant was the cavity decay at the base of the tree?

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The cavity decay accounted for approximately 40 per cent of the base trunk of the fallen Angsana tree.

The 90-year-old Angsana tree, which stood 28 metres tall, collapsed along Jalan Macalister due to a combination of factors, with cavity decay significantly weakening its base trunk. This decay was estimated to comprise about 40 per cent of the trunk's base.
Extent of Cavity Decay

The cavity decay was a substantial contributor to the structural weakness of the tree. This condition, affecting approximately 40 per cent of the base trunk, severely compromised the tree's integrity.
Contributing Factors to Collapse

In addition to the cavity decay, the tree's collapse was also attributed to an estimated 30 per cent root rot. Further exacerbating the risk of structural failure were chronic soil compaction and limited rooting space, conditions that collectively increased the likelihood of the tree falling.
Impact of the Incident

The collapse of the Angsana tree resulted in injuries to an elderly couple and their grandchild when their vehicle was crushed by the falling tree. Mayor Datuk A. Rajendran of MBPP highlighted that these combined factors significantly elevated the risk of structural failure for the tree.

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How significant was the cavity decay at the base of the tree?

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