the greater of either the standard three years or until the tree has reached 2" in <br /> caliper. <br /> 4.3 Notwithstanding 4.1 and 4.2, trees for all streets abutting <br /> commercially zoned properties shall be a minimum of 2" in caliper, measured 6" <br /> above mean ground level, 10' -12' in height. <br /> 5. Tree Condition at Time of Planting. Trees may be provided in the <br /> following conditions at the time of planting: <br /> 5.1 Balled and burlapped and in wire baskets, providing: <br /> 5.1.1 Trees shall have a sound ball with a firm attachment of the <br /> trunk with the root ball. The trunk shall not be loose but firmly held within <br /> the root ball. <br /> 5.1.2 Root balls shall conform to the standards and specifications of <br /> the American Association of Nurserymen, American Standard for Nursery <br /> Stock, currently in use for size and condition. <br /> 5.1.3 Root balls of trees shall not be allowed to dry out at any time <br /> from the nursery to final planting. <br /> 5.1.4 Trees shall have a well developed root system and not be root <br /> bound or have circling /girdling roots. <br /> 5.2 In a container, providing: <br /> 5.2.1 The trees are free of circling, girdling roots. <br /> 5.2.2 The trees have been grown in the container for a maximum <br /> period of one year. <br /> 5.3 Bare root, providing: <br /> 5.3.1 Trees in a bare root condition do not exceed 1.5" in caliper, <br /> measured 6" above mean ground level. <br /> 5.3.2 The roots are not allowed to dry out and are kept moist at any <br /> time from the nursery to final planting. <br /> 5.3.3 The roots are well - established, full of live and vigorous fibrous <br /> roots, along with the larger structural roots. <br /> Exhibit B to Street Tree Plan Agreement <br />