Part 9

ANSI A300 (Part 9) - 2017 Tree Risk Assessment a. Tree Failure

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“State forestry agencies support local programs to inventory public trees in a wide range of settings – from street trees to trails to wooded parks. Managing risk for those public trees is ‘Job 1’ for city tree managers and the new ANSI standard for tree risk assessment helps state and local governments define appropriate methods and work plans for getting this work done.”
Pete Smith, Partnership Coordinator with the Texas Forest Service-Urban Forestry Program

The A300 Part 9 Tree Risk Assessment standard takes precedence over any previous tree care management standards and guidelines.  The standard addresses:

  • Tree structure assessment practices
  • Levels of tree risk assessment
  • Risk analysis and reporting
  • Owner determination