Tree Root Management and Other Tree Care Standards Under Public Review

The American National Standards Institute (ANSI) has placed a call for public review of a revision draft for the current ANSI A300 (Part 8), the standard for root management. This is the third, and intended final public review draft, for Part 8. The standard will be open for comments through February 4, 2013. View the list of Current Projects, and download the Public Review Draft, here.

The A300 Part 8 standard addresses the following items:

  • Root management flow chart
  • Root management objectives
  • Trunk, flare, and root inspection
  • Root collar examination
  • Root management practices
  • Selective root pruning
  • Selective root pruning - girdling roots
  • Non-selective root cutting
  • Managing the direction of root growth
  • Alternatives to root pruning and cutting
  • Managing trees to mitigate root damage or loss
  • Managing roots in fill
  • Sample specifications for RCX (root collar examination)

The American National Standards Institute (ANSI) has also placed a call for public review of a revision draft for the current ANSI A300 (Part 4)-2008, the standard for lighting protection systems in trees. This is the first public review draft for this revision and will be open for comments through February 4, 2013. Upon approval, the revised standard will be titled A300 Part 4-(201x) Lightning Protection Systems. View the list of Current Projects, and download the Public Review Draft, here.

The A300 Part 4 standard addresses the following items:

  • Lightning protection objectives for trees
  • Tree and site inspection
  • Materials
  • Installation practices
  • Above-ground system
  • Below-ground system
  • Single ground rod system
  • Multiple grounding system
  • Horizontal grounding system
  • Maintenance
  • Grounding system selection based on site considerations
  • Lightning protection systems flowchart
  • Sample specifications

ANSI A300 standards are considered the final authority in civil courts and by most dispute arbitration systems. To review and comment on these standards, visit the A300 page here.