04/26/2000 Env Bd Packet - Laserfiche WebLink

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APR -18 -2000 08:02 651 292 0083 P.03/12 REVIEW DRAFT 04/18/00 Caliper inch (Replacement Tree) means the diameter of a tree measured at twelve (12) inches above the ground. Caliper inch (Significant Tree) means the diameter of a tree measured at breast height (DBH). For multi- stemmed trees, the diameter shall be measured at the widest point of the largest trunk stem between one foot and 4.5 feet above ground. Canopy means the extension of a tree's branches in all directions from its trunk. Canopy coverage means the area on a horizontal plane that is located under the crowns of all the trees on the site. Coniferous (evergreen) tree means a cone - bearing woody plant which, at maturity, is at least 12 feet or more in height, having foliage on the outermost portion of its branches year - round. Construction area means any area in which movement of earth, alteration in topography, soil compaction, disruption of vegetation, change in soil chemistry, or any other change in the natural character of the land occurs as a result of the site preparation, grading, building construction or any other land disturbing activity. Critical damage means injury that results in tree removal or significant alteration of the natural form of the tree due to inappropriate pruning or other actions. Critical root zone (CRZ) means the circular area surrounding a tree trunk with a radius distance of one and one -half (1' /z) foot per inch of tree diameter, measured at DBH (e.g. a 20 -inch diameter tree has a CRZ with a radius of 20 feet). The minimum CRZ for any tree shall be six (6) feet. Deciduous tree (Large) means a woody plant which, at maturity, is more than 30 feet in height, having a defined crown, and which sheds its leaves annually. Deciduous tree (Medium) means a woody plant which, at maturity, is between 15 and 30 feet in height, having a defined crown, and which sheds its leaves annually. Deciduous tree (Small) means a woody plant which, at maturity, is between 12 and 15 feet in height, having a defined crown, and which sheds its leaves annually. Developer means any person or entity other than a builder, as defined herein, who undertakes to improve a parcel of land, by platting, grading, installing utilities, or constructing or improving any building thereon. Diameter means the length of a straight line measured through the trunk of a tree. For multi - stemmed trees, the diameter is measured through the widest point of the largest trunk stem. 2