The distance street trees may be planted from curbs or curb lines and sidewalks will be in accordance with the three size classes listed in MMC 7.30.050(1). No tree may be planted in a planting strip with a width of less than the following: small trees, three feet; medium trees, five feet; and large trees, eight feet. The exception to this rule shall be when curb and sidewalk are protected by a chemical or mechanical barrier approved by the City. (Ord. 165, passed 10-8-2019)