1.Prune trees for the safety of people, homes, and personal property. 2. Manage risk as outlined in ANSI300 part 9. 3. Prune trees to maintain good structure. 4. Improve branch and trunk architecture; promote or subordinate certain leaders, stems, or branches; promote desirable branch spacing; and/or restore plants following damage. 5. Prune trees to maintain specified clearance requirements. a. Ensure safe and reliable utility services; minimize current interference with traffic or light penetration; ensure lines-of-sight or desired views; provide access to sites, buildings, or other structures; and/or comply with regulations; 14 feet away from homes or buildings, 20 feet above streets and sidewalks, 10 feet from all streetlights and traffic signs/lights.