The Tree Care Industry Association (TCIA) has been a public and professional resource for trees and arboriculture since 1938 and has more than 2,000 member companies.
Photo Credits: Tree Care Industry Association

The American National Standards Institute (ANSI) and Tree Care Industry Association (TCIA) have made the current ANSI A300 (Part 4)-2008, the standard for lighting protection systems in trees available for public review. This is the intended final public review draft for this revision and will be open for comments through June 24th.

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

ANSI and TCIA have also made the current ANSI A300 (Part 8), the standard for root management available for public review. This is the intended final public review draft for this revision and will be open for comments through June 24th.

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

For more information about the TCIA or the ANSI standards, please visit tcia.org.

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