Contractor shall post all trees a minimum of forty-eight (48) hours prior to work commencing. When work is being conducted in front of a residential unit an informational door hanger shall also be left a minimum of forty-eight (48) hours prior to work commencing. All tree work must conform to the current American National Standards ANSI A300 (Part 1) – 2001 Tree Pruning for Tree Care Operations – Tree, Shrub, and Other Woody Plant Maintenance – Standard Practices and the companion publication Best Management Practices Tree Pruning (Revised 2019). The use of climbing gaffs shall not be considered to be appropriate for any tree pruning activity. General Tree Pruning to include crown raising to allow for fourteen feet (14’) of clearance over the sidewalk and curb, and twenty feet (20’) of clearance above the street when applicable. Pruning to include both crown cleaning and thinning. Excessive crown raising as defined by Public Works Manager or designated representative will be considered to be an unacceptable pruning practice. Trees pruned utilizing Lions tailing and heading cuts, except when authorized by City staff will be considered an unacceptable pruning practice...
