For the purposes of this chapter, the following words and phrases shall have the following meanings:
"Alternate host plant"means one or more kinds of plants on which a pest must develop to complete its life cycle.
"ANSI A300"means the American National Standard for Tree Care Operations – Tree, Shrub and Other Woody Plant Maintenance – Standard Practices. This is a document offering basic performance standards for tree pruning, published in 1995 by the American National Standards Institute (ANSI) or the same as amended from time to time.
"Arboriculture"means the cultivation of trees, including planting, pruning, removal or any other action which affects the growth and maintenance of trees.
"City"means the city of Richland, Washington.
"Critical root zone"means the area under a tree extending from the base of a tree in all directions to an imaginary line 10 feet outside of the drip line or as determined at a preliminary site inspection by the municipal arborist.
"DBH"means the diameter at breast height – the average diameter of a street tree measured at a height of four and one-half feet above the ground.
"Diseased tree"means a tree or part thereof which has become infected with pathogens or has become significantly diseased.
"Emergency"means damage to utility systems, or to a public or private property or an immediate threat to the welfare of persons, due to storm or other acts of God or other accident, which requires immediate attention to alleviate the condition or complete repairs.
"Hazard"means any tree, public or private, with visibly defined structural defects likely to cause failure of all or part of the tree, and be a danger to public safety.
"Licensee"means a person with a valid contractor's license and/or tree service certification as required by this chapter.
"Maintenance"means the act of pruning (removing limbs larger than one inch in diameter on Class I trees, or larger than two inches in diameter on Class II and larger trees), guying or other approved horticulture practices. "Maintenance" work requires a permit, as opposed to "routine care" which does not. Such work applies to street trees located in or overhanging the public right-of-way; provided, that such pruning shall be done so as to retain the normal canopy and natural figure of the street tree.
"Municipal arborist"means the person appointed by the city's director of parks and recreation to carry out the provisions of this chapter. The municipal arborist shall manage and regulate the planting, maintenance, protection, removal and replacement of all public trees within the city limits, thus exercising the city's authority to do so, granted pursuant to the provisions of Chapter
35.22 RCW.
"Owner"means the person in whom is vested the ownership, dominion, or title of real property.
"Permit"means a written approval issued by the city and required for any activity on public trees or within the critical root zone of public trees, including maintenance, removal and street tree planting.
"Person"means every individual, firm, partnership, corporation, association, company or organization of any kind.
"Pest"means any insect, disease or other organism harmful to trees.
"Planting strip"means that portion of the public right-of-way not covered by a sidewalk or other paving lying between the property line and that portion of the street or highway usually used for vehicular traffic or parking.
"Private property"means any property owned by a person, firm, or corporation, not meeting the definition of public property and not under the ownership of the state or federal government.
"Pruning"means the practice of cutting tree limbs according to standards contained in ANSI A300 and NAA Guide.
"Public property"means any property owned by, dedicated to, or deeded to the public or for the public's use. City parks, public rights-of-way and other publicly owned, controlled, leased or managed properties are included in this definition. This definition excludes any federal or state owned properties except where otherwise provided by contract or law.
"Public rights-of-way"means improved or unimproved public property owned by, dedicated to, or deeded to the public or for the public's use, for the purpose of providing vehicular, pedestrian and other public use. Such public property provides circulation and travel to abutting properties and includes, but is not limited to, streets, sidewalks, landscaping, provisions for public utilities, cut and fill slopes, and open public space. For the purposes of this chapter, alleys are excluded from this definition.
"Public safety"means the condition of being safe from bodily harm and/or property damage resulting from tree conditions and/or failures while using public property.
"Public trees/shrubs"means any tree/shrub (inclusive of roots within the critical root zone) whose trunk is located, partly or in whole, on public property.
"Public utility easement"means the right-of-way acquired by a utility or governmental agency to locate utilities, including all types of pipelines, telephone and electric cables and towers.
"Replacement tree"means a street tree provided to or by the abutting property owner and approved by the city for planting by the abutting property owner as a replacement for a street tree removed from a particular location in the public right-of-way.
"Shrub"means a multiple-stemmed, woody plant whose height at maturity is between three feet and 15 feet.
"Street"means that portion of the public right-of-way which is improved, maintained and intended for use by vehicles to provide traffic circulation, primary access to abutting properties and parking. This definition includes all of the area typically located between curbs.
"Topping"refers to "rounding," "heading back" or any other term that can be described as severe cutting back of limbs as defined in ANSI A300.
"Tree"means any woody plant, which is 15 feet or more in height at maturity, with a single or multiple trunks, often unbranched for several feet above the ground and having a definite crown.
"Tree lawn"means that portion of the public right-of-way lying between the street and private property boundary lines which is generally unimproved and planted with grass or other vegetation.
"Tree service"means services provided for trees by a private individual or company including, but not limited to: planting, removal, topping, pruning or engaging in technical arboriculture.
"Vandalism"means damage, mutilate or destroy any part of the woody structure of trees, that is above or below ground, that affects the short or longer term health of the trees.
"Vision clearance triangle"means a method of providing adequate visual clearance for vehicular and pedestrian traffic approaching a street intersection, as established in Chapter
12.11 RMC, Intersection Sight Distance.
(Ord. 31-09 § 1.01)