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limited visual assessment (Level 1)-a visual assessment from a specified
perspective such as a foot, vehicle, or aerial patrol of an individual tree or
a population of trees near specified targets, to identify specified conditions
or obvious defects.
mallet-a broad-headed hammer made of wood, plastic, or resin used for
sounding a tree.
mitigation-the process for reducing risk.
owner/manager-the person or entity responsible for tree management, or
the controlling authority that regulates tree management.
probability-the measure of the chance of occurrence expressed as a number
between 0 and 1 (0-100%), where 0 is impossibility and 1 is absolute certainty.
probe-a stiff, small-diameter rod, stick, or wire that is inserted into a cavity
or crack to estimate its size or depth.
qualitative risk assessment-a process using ratings of consequences and
likelihood to determine risk significance levels and to evaluate the level of
risk against qualitative criteria.
quantitative risk assessment-a process used to estimate numerical probability values for consequences, and to calculate numeric values for risk.
residual risk-risk remaining after mitigation.
response growth (adaptive growth)-new wood produced in response to loads
to compensate for higher strain in marginal fibers; includes reaction wood
(compression and tension), flexure wood, and woundwood.
ribs-longitudinal bulges of response wood growth.
risk-the combination of the likelihood of an event and the severity of the
potential consequences. In the context of trees, risk is the likelihood of a
conflict or tree failure occurring and affecting a target, and the severity of
the associated consequences-personal injury, property damage, or disruption of activities.
risk aggregation-the consideration of risks in combination.
risk analysis-the systematic use of information to identify sources and to
estimate the risk.
risk assessment-the process of risk identification, analysis, and evaluation.
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BMP - Tree Risk Assessment
Table of Contents for the Digital Edition of BMP - Tree Risk Assessment
Table of Contents
BMP - Tree Risk Assessment - Cover1
BMP - Tree Risk Assessment - Cover2
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BMP - Tree Risk Assessment - Table of Contents
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