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Glossary
acceptable risk-the degree of risk that is within the tolerance or threshold
of the owner, manager, or controlling authority.
advanced assessment (Level 3)-an assessment performed to provide detailed information about specific tree parts, defects, targets, or site conditions. Specialized equipment, data collection and analysis, and expertise
are usually required.
aerial inspection-inspection of parts of a tree not visible from the ground,
including the trunk, stems, and branches; aerial inspections may include
evaluation of internal decay.
aerial patrol-overflights of a utility right-of-way, large areas, or individual
trees to record the location of trees that are likely to fail and cause harm.
basic assessment (Level 2)-detailed visual inspection of a tree and surrounding site that may include the use of simple tools. It requires that a tree
risk assessor inspect completely around the tree trunk looking at the visible
aboveground roots, trunk, branches, and site.
bending moment-a turning, bending, or twisting force exerted by a lever,
defined as the force (acting perpendicular to the lever) multiplied by the
length of the lever.
client-the person or organization for whom professional services are rendered. Usually, the owner or manager responsible for the trees.
CODIT-acronym for Compartmentalization of Decay in Trees (see compartmentalization).
compartmentalization-natural defense process in trees by which chemical
and physical boundaries are created that act to limit the spread of disease
and decay organisms (see CODIT).
consequences-effects or outcome of an event. In tree risk assessment, consequences include personal injury, property damage, or disruption of activities
due to the event.
cracks-separation in wood fibers.
decay-process of degradation by microorganisms.
defect-an imperfection, weakness, or lack of something necessary. In trees,
defects are injuries, growth patterns, decay, or other conditions that reduce
the tree's structural strength.
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BMP - Tree Risk Assessment
Table of Contents for the Digital Edition of BMP - Tree Risk Assessment
Table of Contents
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