For the purpose of this chapter, the following terms shall be defined:
"Applicant"means a property owner requesting permission to remove or prune a tree at a designated site.
"Building footprint"means the two-dimensional configuration of a building's perimeter boundaries measured on a horizontal plane at grade level.
"Certified arborist"means an individual who has demonstrated knowledge and competency by obtaining a current International Society of Arboriculture (ISA) certification, or who is a member of the American Society of Consulting Arborists.
"City arborist"means a city employee that has an International Society of Arboriculture certification and is so designated by the director of the parks and community services department.
"City property tree"means a tree maintained by the city on any property owned in fee by the city of Benicia, which includes trees within city parks, open space, lighting and landscaping districts, street median islands and along First Street (this does not include street trees which are listed as a separate category).
"Collar"means the ring of trunk tissue that surrounds a lateral branch at its point of attachment to the stem.
"Compaction"means compression of the soil structure by any means that creates an upper layer that is impermeable.
"Conditional replacement tree"means any tree that is planted on public or private property as a condition of mitigation for the removal of any tree(s).
"Construction zone access"means the area of a wooded parcel that is necessary to provide access to existing or future structures located on the parcel, where there exists no feasible means of access that would avoid protected trees. On single-family residential parcels, the portion of the parcel deemed to be the construction zone access shall not exceed 10 feet in width.
"Designated protected tree"means any tree specifically designated by the city to be planted, or protected on public or private property that is subject to city commission or council discretionary development approval, such as a zoning variance, design review, or subdivision review.
"Diameter"of the tree means as measured 48 inches above natural grade.
"Diseased"means an abnormal condition of a tree or part that impairs normal physiological functioning, especially as a result of infection, inherent weakness, or environmental stress.
"Drip line"means the line enclosing the outermost area from which water would drip from the tree. In cases where the drip line is difficult to determine, the drip line is considered the area that extends out and away from the trunk of the tree in all directions and ends at a distance measured 10 times the diameter of the trunk at 48 inches above grade.
"Drip line area"means the area measured from the trunk of the tree outward to a point at the perimeter of the outermost branch structure of the tree.
"Emergencies"means the condition in which a tree presents an immediate hazard to life or property; it may be removed without a permit on order of the city manager, or a member of the police, fire, or emergency response personnel.
"Hazardous tree"means a tree determined by the city manager, a member of the police, fire or emergency response personnel, or a certified arborist to be an immediate danger to persons or property. (Also see "potentially hazardous tree.")
"Heritage tree"means any tree or grove of trees within the city boundaries designated by a resolution of the city council due to special qualities or significance and having met the requirements set forth in this chapter.
"Historic tree(s)"means a protected tree or group of trees, which has importance or influence in marking the history and/or events of the city of Benicia and so designated by a resolution of the city council.
"Injure" or "injury"means any act that damages a tree including, but not limited to: cutting; carving; transplanting; neglect; injurious attachment of any rope, wire, nails, advertising posters, or other contrivance to any tree; allowing any gaseous, liquid, or solid substance that is harmful to trees to come into contact with them; setting fire or permitting any fire to burn when such fire or the heat will injure any part of any tree; knocking over any tree; or damage inflicted upon the root system of a tree by the application of toxic substances, the operation of heavy equipment, the change of natural grade above or below the root system or around the trunk of a tree.
"ISA"means the International Society of Arboriculture.
"Maintenance"means pruning, trimming, mulching, clipping, watering, staking, spraying, propping, fertilizing, bracing, treating disease or injury, and any other acts which promote the life, growth, or health of the city's trees.
"Mitigation"means any action taken to permanently eliminate or reduce the impact on the environment or community from the loss of a tree or trees.
"Multi-trunked tree"means any tree with more than one trunk at or below 48 inches from natural grade.
"Native tree"means a tree native to northern California, suited to conditions in Benicia.
"Nuisance tree"means a tree that is prone to excessive litter, pollen, pest infestation, is invasive, or has other habits that cause it to be a problem for people.
"Potentially hazardous tree"means a tree that has been determined to be a potential hazard if it (1) harbors a serious disease or infestation threatening the health of other trees, plants or humans; (2) interferes with safe vehicular or pedestrian circulation; or (3) is causing or is likely to cause damage to property.
"Protected tree"means a tree designated by the city of Benicia as having characteristics such as great age, size, type, species, unique form or any other quality of significance to the community.
"Protective tree fencing"means a temporary enclosure erected around a tree to protect the tree and identify the boundary of the tree protection zone (TPZ).
"Registered consulting arborist"means and includes arborists who are registered with the American Association of Consulting Arborists and who typically offer advice but do not perform tree services.
"Relocate"means to remove a tree from the place where it is growing and replant it in another location.
"Replacement value"means the actual cost of replacing the same tree size and canopy removed or destroyed or if irreplaceable, its value as determined pursuant to the "basic value" or "square inch formula" in effect by the Council of Tree and Landscape Appraisers adoption, as amended from time to time, and ensuring such planting results in survival for at least three years.
"Right-of-way"means the area upon which a legal right for a public street exists either as fee ownership or as an easement.
"Single-family residence"means any detached structure designed for occupation by one family. The term "single-family residence" includes mobile home spaces designed to be used for parking a mobile home on a temporary, semi-permanent or permanent basis.
"Street tree"means and includes trees intentionally planted along streets or roadways either within the public right-of-way or within private property adjacent to the roadway to enhance the environment. Street trees shall typically be within 10 feet from face of curb and shall be maintained by the adjacent property owner.
"Topping"means heading back (trimming) of the crown (top of the tree) and/or main leaders.
"Tree"means any live, woody plant with a single perennial woody stem of four inches diameter at 48 inches above natural grade, or a multi-stemmed perennial plant having an aggregate of 12 inches in diameter.
(Ord. 08-03 § 2; Ord. 24-06 § 13)