For the purpose of this chapter the following terms, phrases, words and their derivations shall have the meaning given herein. When not inconsistent with the context, words used in the present tense include the future, words used in the plural shall include the singular, words used in the singular include the plural, words used in the masculine include the feminine, and words used in the feminine include the masculine. The word "shall" is mandatory and not merely directory.
ANSI A300:Pruning standards set forth in the standard practices for trees, shrubs, and other woody plant maintenance document.
Buffer device:Means a wall, fence, barrier or vegetative matter that acts as a device to obscure or hide visual, noise or other types of nuisances that may be related to an adjacent property or street.
Building site:A lot or portion of a lot which is designated on the building permit application, including any existing structures, proposed new structures, parking layout and any other site requirements that may be pertinent to development.
Caliper:Any of various measuring instruments usually having two adjustable arms, legs, or jaws used especially to measure diameter or thickness.
Century Class Trees:Trees having a DBH greater than or equal to twenty-four inches (24") and less than forty-eight inches (48") are designated as "Century Class Trees".
Circumference:The measurement around the trunk of a tree at breast height, or 4.5 feet above the ground. Circumference is also diameter multiplied by 3.142. Refer to DBH below.
City:Means the City of Rockport, Texas.
Critical root zone:For any tree, the area within a circle centered on the location of the trunk. The circle's diameter is one-half the sum of the broadest and narrowest drip-line diameters. (See Fig. 106-A.)
Damage:Means to take any action which could cause a tree's death, either immediately or after a reasonable period of time, such as pruning or removal of more than 25% of the living tissue, severing the main trunk or large branches or large roots, girdling, poisoning, carving, mutilating, touching with live wires, crushing or exposing roots, digging or drilling a hole larger than three cubic feet (or a trench) within the critical root zone, covering a substantial part of the critical root zone with an impermeable surface, adding an excessive depth of soil to the critical root zone or compacting a substantial part of the soil in the critical root zone to constitute an impermeable surface. The above are examples and are not intended to limit this definition.
DBH (diameter at breast height):The diameter of a tree measured in inches at breast height or 4.5 feet above the ground. If a tree forks into multiple trunks below 4.5 feet, the trunk is measured at its most narrow point beneath the forks.
Drip-line:A vertical line extending from the outermost edge of the tree canopy to the ground. (See Fig. 106-A.)
Exempt tree:Except as otherwise provided, any tree on public or private property that has a trunk diameter less than six inches (18.75 inches circumference) measured at DBH.
Ex-officio member:For the purpose of this chapter, the landscape official or such staff person designated to serve as liaison to the tree and landscape committee, takes part in the deliberations thereof but shall have no vote, except serves as chairman in the absence of the vice-chairman.
Heritage Class Trees:Trees having a DBH greater than or equal to forty-eight inches (48") are designated as "Heritage Class Trees".
Invasive plants:Exotic plants that crowd out or otherwise harm native plants because they have no natural enemies in the Texas Coastal Bend area and therefore reproduce unchecked. (See Table 106-D, Invasive Species.)
Landscape official:A City of Rockport employee designated by the city manager to administer the provisions of this document. If no designee, the duties and responsibilities herein shall default to the building official.
Landscaping:Any of the following combinations of living vegetative material, such as, but not limited to, grass, shrubs, vines, hedges, various forms of ground cover plants, shade/canopy trees or palms. In addition, non-living durable material, excluding sand, concrete and other forms of paving material may be used to compliment the landscaping for edging and decoration.
Landscape area:An area of property required to meet landscaping requirements as prescribed herein.
Natural area:An area of natural vegetation (brush, vines, grass, etc.) under a tree's canopy or drip line, which has no record of having been cleared and is considered to be in a natural state.
Pre-development activity:Construction activity which includes demolition, moving of buildings, site clearing, grubbing, grading and any other activity which disturbs the surface of land and is actually undertaken, or customarily undertaken, as preparation for development.
Protected Class Tree:Trees having a DBH (diameter at breast height measured four and one-half feet above existing ground level) between eight inches (8") and less than twenty-four inches (24") are designated as "Protected Class Trees".
Pruning:The cutting or removing any part of the branching structure of a tree in either the crown, trunk or root areas as defined by the latest ANSI A300 standard. (See Fig. 106-C.)
Public tree:Any tree now or hereafter growing on any city street right-of-way, in any city park, or any public area as designated by the city.
Street yard:The area of a lot which lies between the property line along a dedicated street and the actual wall line of the building; or, if no building exists, to the rear of the property line; or if parking is between the property line and wall line of the building, then between the parking and the property line. Such building lines extend outward from the corners of the building as illustrated in Fig. 106-B.
Tree:A woody plant having one well defined stem or trunk and a more or less definitely formed crown, and usually attaining a mature height of at least eight feet.
Tree specialist:Means a person who possesses professional credentials that attest to such person's proficiency in the science of trees and/or tree ecosystems (i.e.: forestry, arboriculture, etc.).
Tree survey:Means a comprehensive assessment of land containing trees and/or woody vegetation to ascertain their location, condition, size and species. Such survey may be accomplished through aerial photography, topographical maps, on-site inspections/calculations or a combination thereof, which can be adopted into a plan for subsequent development of said land.
Windswept Live Oak tree:Means any Live Oak tree (Quercus virginiana) whose crown shows a definite south-east to north-west influence as a result of Rockport's prevailing southeasterly wind. No Windswept Live Oak tree shall be exempt from the necessity to obtain a permit prior to its destruction, as provided herein, and shall be considered a protected tree.
Wood-for-wood:Means that for any given size (whole inches) of tree removed, relative size in wood is replaced. Example: one - eight-inch tree removed, replacement may be with either one - eight-inch tree or the equivalent number of trees to equal or exceed the numerical size of the tree removed.
Xeriscape:The conservation of water and energy through creative landscaping. The word xeriscape comes from the Greek work "xeros", meaning "dry". This does not mean the landscape is brown or devoid of plants. However, it does mean that it is a well designed landscape providing the same lush appearance as other non-xeriscape landscapes, but requires significantly less water, energy and maintenance.
(Ordinance 1349, § 2, 9-5-06; Ordinance 1880, 8-23-22)