Admin Order 58-20-28-F - Laserfiche WebLink

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5.3 Pruning shall be performed according to the ANSI A-300 pruning standards and specifications established for trees at planting (5.4.1) and for trees during the first three years after planting (5.4.2). 6. Tree Replacement. Any tree that falls under one or more of the following conditions shall be replaced by the developer or responsible party during the next approved planting season after receipt of the notice of the need to replace the tree. 6.1 Dead tree. Any tree that has no live growth originating in the scaffolding branches. 6.2 Stressed tree. Any tree that has lost a minimum of 50 percent of its total foliage or, has a reduction of 50 percent of normal leaf size for that species. 6.3 Non -approved tree. Any variety of tree that does not match the matrix elements in the Approved Street Tree List and Planting Guide, or that has not been approved by the Urban Forester. 7. Tree Protection. Trees planted under a street tree agreement shall be protected during the establishment period by the use of the following measures: 7.1 Installation of bark mulch surrounding the tree trunk, 2-4 inches deep and with a minimum radius of 5 feet from the trunk. 7.2 No construction or human activity shall take place within the tree's critical root zone. 7.2.1 The critical root zone for trees 4 inches or smaller in diameter measured at breast height (4.5 feet) shall be an area with a radius of at least 5 feet from the trunk. 7.2.2 The critical root zone for trees over 4 inches in diameter measured at breast height (4.5 feet) shall be an area with a radius of at least 1 foot, 6 inches from the trunk for every 1 inch of diameter measured at breast height (4.5 feet). 7.3 No soil grade changes shall take place within the critical root zone. 7.4 No storage of material shall be allowed within the critical root zone. 7.5 If construction or landscaping has not been completed on the abutting property, the following conditions shall also apply: 7.5.1 The critical root zone shall have a protective fence installed at its perimeter. Administrative Order - Page 11 of 14