ANSI Z133 2017

ANSI Z133  2017

This latest version includes the many new Z133 safety requirements. The publication establishes safety standards for tree care operations such as pruning, trimming, repairing, maintaining, and removing trees in the United States. The purpose of the Z133 standard is to provide safety criteria for both workers and the public. It also is intended as an aid to federal, state, and municipal authorities in drafting regulations and may be adopted in whole or in part