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of the planting date(s) must be provided to the City. The establishment period runs from the <br /> documented planting date. <br /> 2. Watering. During the establishment period, each tree shall receive 15 gallons of <br /> water per week during the growing season (from April 15th through October 15 Water shall <br /> be provided in a manner that allows penetration into the soil around the tree. In some soils or <br /> during unusually wet weather, 15 gallons a week may be excessive and lesser amounts may be <br /> approved by the Urban Forester. <br /> 3. Staking. Stakes and ties shall be maintained in a safe and effective manner. <br /> Stakes and ties shall be removed after the first growing season or one year after installation. <br /> 4. Mulching. During the establishment period, a minimum 3 foot x 3 foot planting <br /> area around each tree shall be maintained with a layer of bark mulch 2 -4 inches deep. The mulch <br /> shall be kept at least 2 inches away from the trunk of the tree, and the mulched planting area <br /> around the tree shall be kept free of weeds. <br /> 5. Pruning. <br /> 5.1 Dead, broken or split branches shall be pruned at the time of planting. <br /> 5.2 Initial structural pruning shall be performed at the end of the 3 year <br /> establishment period. A strong scaffold branch structure shall be developed by pruning <br /> to select the primary scaffold branches. <br /> 5.2.1 Trees shall be pruned to remove branches that are crossing, <br /> damaged, diseased, broken, or have included bark. <br /> 5.3.2 Trees shall not be topped or reduced in height. <br /> 5.2.3 Trees shall be pruned so at least 2/3 of the tree's height is canopy <br /> (with 1/3 of the height being the trunk). <br /> 5.2.4 The lower limbs shall be pruned off or tipped back to meet <br /> compliance with the requirements for clearance over sidewalks and streets as <br /> contained in the Eugene Code, 1971. <br /> 5.3 Pruning shall be performed according to the ANSI A -300 pruning <br /> standards and specifications established for trees at planting (5.4.1) and for trees during <br /> the first three years after planting (5.4.2). <br /> 6. Tree Replacement. Any tree that falls under one or more of the following <br /> conditions shall be replaced by the developer during the next approved planting season after <br /> receipt of the notice of the need to replace the tree. <br /> Administrative Order - 10 <br />