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9.5 Apply 2 " -4" of mulch around tree. Maintain a mulch free area within 2 <br /> inches of trunk. <br /> 10. Watering Basin. Create a continuous 3" high raised berm around the hole to direct <br /> water to roots, remove the berm after one year. <br /> 11. Staking. Trees shall be planted and established with a straight trunk, perpendicular <br /> to the ground. This can be accomplished through proper planting and staking. <br /> 11.1 Stakes shall be one or two hardwood stakes driven firmly into the ground <br /> outside of the hole to prevent root damage. <br /> 11.2 Attach the tree to the stakes at knee height using nonbinding tree ties or tree <br /> ties that are at least 1" wide to prevent damage to the tree trunk. <br /> 11.3 Attach the ties to the tree in a manner that allows the tree to move but still <br /> be held finely in place. This will help develop trunk taper and add strength to the tree. <br /> R- 7.280 -E Establishment Standards. <br /> 1. Period. The establishment period for an original tree or replacement tree shall <br /> begin on the date that the tree is initially installed, or the date it is replaced, and extend for a three <br /> year period from that 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 15th. Water shall <br /> be provided in a manner that allows penetration into the soil around the tree. <br /> 3. Staking. Stakes and ties shall be maintained during the establishment period in a <br /> safe and effective manner. Stakes and ties shall be removed after the first growing season or one <br /> year after installation. <br /> 4. Mulching. During the establishment period a minimum 3 ft. x 3 ft. planting area <br /> around each tree shall be maintained with a layer of bark mulch 2-4 inches in depth. 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 Trees shall be pruned to remove branches that are crossing, damaged, <br /> diseased, broken, or have included bark. —= <br /> 5.3 Trees shall not be topped or reduced in height without prior approval of the <br /> Urban Forester. 9 9 0 o 4 0 5 <br /> Street Tree Plan Agreement - City Plants Alternate - 20 of 25 <br />