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8.1.3 Except as provided in 8.1.5, only materials that are untreated <br /> and biodegradable may be left around root ball after planting. <br /> 8.1.4 When planting, the tie material must be removed and the burlap <br /> peeled back to expose soil on at least the top 1/3 of the root ball. <br /> 8.1.5 Wire baskets are to be cut off to a depth of at least 18" from <br /> the top of the root ball. <br /> 8.2 Container grown tree: <br /> 8.2.1 Remove the tree from the container and softly loosen root <br /> mass. <br /> 8.2.2 Inspect roots for a girdling or circling condition. If girdling <br /> or circling roots are present, the tree shall not be planted. <br /> 8.2.3 Trees shall have been grown in the container for a maximum <br /> of one year. <br /> 8.3 Bare root trees: <br /> 8.3.1 Roots shall not be allowed to dry out at any time. <br /> 8.3.2 All dead, damaged, broken or frayed roots shall be pruned off <br /> prior to planting. <br /> 9. Planting Procedures. <br /> 9.1 Set the tree on undisturbed solid ground in the center of the hole so <br /> that the upper surface of the root ball or trunk flare is slightly above the <br /> surrounding soil. <br /> 9.2 Set tree plumb, upright, and faced for best appearance. Prune to <br /> remove any broken branches. <br /> 9.3 Gently backfill the hole ' full with original soil and flood hole with <br /> water to remove any air pockets. <br /> 9.4 Continue to backfill the hole and when completed thoroughly saturate <br /> the 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 <br /> Exhibit B to Street Tree Plan Agreement <br />