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Donald Bankson - Certified Arborist
Snohomish County PUD No. 1
Line Clearance Department
Presented by:
Trees
Aren’t
Always
Straight
•Chainsaw
safety
•Loaded wood
•Trees on lines
•Felling Trees
A clever fellow, he often slipped past the enemy’s defenses and undermined their foul plans with ingenuity rather than brute force, using tidbits of scientific knowledge and ordinary items that happened to be laying around; for example, the paper clip might be used to short-circuit a nuclear missile, the candy bar to stop an acid leak, or a cold capsule to ignite a makeshift bomb, all just in the nick of time. Macgyver could work wonders with the contents of a lady’s handbag.
30 degree or less opening 45 degree or more opening
Older Style VS. ANSI Requirement
Current face cut angle
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