For the purposes of this title, the following words and phrases
shall have the meanings respectively ascribed to them by this chapter.
(Ord. 1768 § 2, 2003)
"Cambium layer" means a layer of actively dividing cells responsible
for the production of a tree's vascular tissue, critical to the translocation
of water, nutrients, and photosynthates to all living tissues within
the tree. The cambium layer is located just underneath the outer bark
of woody trees.
(Ord. 1768 § 2, 2003)
"Certified arborist" means a tree care professional meeting
International Society of Arboriculture (ISA) standards of tree care
and certified as such.
(Ord. 1768 § 2, 2003)
"Certified tree worker" means a tree care professional who works
trimming trees, meets ISA standards of tree trimming, and is certified
as such.
(Ord. 1768 § 2, 2003)
"City owned property" means property owned by the city, including
parkland, street median islands, and open space areas.
(Ord. 1768 § 2, 2003)
"Diameter at breast height," also referred to herein utilizing
the initials "DBH", means a measurement of the diameter of a tree
trunk approximately four and one-half feet above the root crown.
(Ord. 1768 § 2, 2003)
"Easement/right-of-way" means land owned by another over which
the city has an easement or right-of-way for street maintenance, utilities
and other related purposes.
(Ord. 1768 § 2, 2003)
"Drip line" means the ground area at the outside edge of a tree's
branches or canopy.
(Ord. 1768 § 2, 2003)
"Heritage tree" means any tree that has historical or cultural
importance or significance to the Glendora area, as determined by
the city forester.
(Ord. 1768 § 2, 2003)
"Inventory of parkway trees" means a city document that contains
data regarding parkway trees, including type of tree, size of tree,
address and location of trees, nature of the surrounding ground cover
and hardscape and condition thereof, and health of the tree.
(Ord. 1768 § 2, 2003)
"List of approved street trees" means a list of trees approved
by the community services commission that are suitable for planting
in city parkways.
(Ord. 1768 § 2, 2003)
"List of undesirable trees" means a list of trees approved by
the community services commission which are not suitable for planting
in city parkways or on other city-owned property.
(Ord. 1768 § 2, 2003)
Any type of cutting, scraping, scarring of the outer bark or
root crown of any tree caused by wire, rope, or machinery such as
lawnmowers, weed eaters, edgers, etc., that cuts into or removes the
outer bark of a tree.
(Ord. 1768 § 2, 2003)
"Parkway" means that portion of a public street, alley or avenue,
located within the city, which lies between the curb lines or edge
of pavement and also the line which would be the outside line of any
sidewalk.
(Ord. 1768 § 2, 2003)
"Post and beam construction" means a wood framework method of
building a structure with columns or posts supporting the structure.
(Ord. 1768 § 2, 2003)
"Root crown/root collar" means the junction between the roots
of a tree and its trunk(s) often indicated by a trunk flare.
(Ord. 1768 § 2, 2003)
"Root pruning" means a technique for the proper removal of unwanted
roots.
(Ord. 1768 § 2, 2003)
"Sight distance visibility" means the visible clearance required
from the perspective of the driver of a motor vehicle in the direction
of all on-coming traffic at street intersections.
(Ord. 1768 § 2, 2003)
"Street tree" means a tree maintained by the city located in
the city right-of-way or city easement.
(Ord. 1768 § 2, 2003)
"Topping" means a severe type of pruning which produces less
desirable results than more moderate pruning with respect to a tree's
natural form, and which is generally hazardous to the overall health
and stability of the tree.
(Ord. 1768 § 2, 2003)
"Tree crown" means that portion of the tree encompassed by the
lowest branches on the trunk extending to the top of the tree.
(Ord. 1768 § 2, 2003)
"Tree protection zones" means areas designated for special care
of trees during development.
(Ord. 1768 § 2, 2003)
"Tree root zones" mean those areas beneath the canopy of a tree
consisting of the mass of roots growing from the trunk of a tree along
with the surrounding soil extending to and including the drip line
of the tree.
(Ord. 1768 § 2, 2003)
"Unsafe tree" means a tree that presents a threat to the public
health, safety and welfare. An unsafe tree may include a tree that
is in the latter stages of disease, is structurally unstable, has
suffered damage due to storms, accidents, etc., or other reasons considered
by the tree forester.
(Ord. 1932 § 1, 2010)
"Undesirable tree" means a species of tree that is unsuitable
for planting or use in city parkways or on other city-owned property.
(Ord. 1932 § 2, 2010)
