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9.2 Set tree plumb, upright, and faced for best appearance. Prune to remove any <br /> broken branches. <br /> 9.3 Gently backfill the hole 'h full with original soil and flood hole with water <br /> to remove any air pockets. <br /> 9.4 Continue to backfill the hole and when completed thoroughly saturate the <br /> planting area with water to remove any remaining air pockets. <br /> 9.5 Apply 2"-4" of mulch around tree. Maintain a mulch free area within 2 <br /> inches of trunk. <br /> 10. Watering B in. Create a continuous 3" high raised berm around the hole to direct <br /> water to roots, remove the berm after one year. - <br /> 11. $~1~r <br /> g. 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 firmly in place. This will help develop trunk taper and add strength to the tree. <br /> R-7.280-E Establishment Standard . <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. in .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 /> <br /> Administrative Order - 16 <br /> <br />