923.04 PLACING HARMFUL SUBSTANCES NEAR TREES.

   No person shall permit any natural or artificial gas, salt, brine water, oil, liquid dye or any other substance deleterious to trees to come in contact with the soil surrounding the roots of any tree upon any public place in this City in such manner as to kill, injure, deface, destroy or affect the growth of such tree. (1964 Code §51.04)

923.05 PLACING STONE OR CONCRETE NEAR TREES.

   No person shall place or maintain upon the ground in any public place any stone, concrete, brick or other impervious material or substance in such a manner as may obstruct the free access of air and water to the roots of any tree upon any public place in the City, without first having obtained written permission from the Director of Public Works to do so. Unless otherwise provided, there shall be maintained about the base of the trunk of each such tree at least nine square feet of open ground for a tree three inches in diameter, and for every two inches of increase of such diameter there shall be an increase of at least one square foot of open ground.

(1964 Code §51.05)

923.06 CARE OF TREES DURING BUILDING OPERATIONS.

   No person in charge of or responsible for the erection, alteration or removal of any building or structure in the City shall permit any tree upon any public place in the vicinity of such operation to stand without a good and sufficient guard or protection as shall prevent injury, damage or defacement to such tree arising out of, in connection with or by reason of such operation. The quality of guard or protection shall be determined by the Director of Public Works.

(1964 Code §51.06)

923.07 MOVING TREES.

   All moving of trees upon any public place in the City made necessary by the moving of a building or structure or any other private enterprise shall be done under the supervision and with the written permission of the Director of Public Works and at the expense of the applicant or person seeking the removal of such tree. Such applicant, as one of the conditions to obtaining such permission, shall deposit with the City such sum in cash as the Director may determine and specify to cover all of the cost of moving and replacing such tree, if the conditions of such permission require the replacement thereof. However, in lieu of such cash deposit, the Director may, in his discretion, accept a good and sufficient bond in like amount conditioned upon the payment of all the costs of such moving and replacement. (1964 Code §51.07)

923.08 TRIMMING TREES ON PUBLIC PROPERTY.

   The Director of Public Works shall keep trimmed all trees standing upon any public place in the City so that the branches of such trees projecting over any public sidewalk, private driveway or into any public street beyond the curb line shall not conflict with the public welfare.

(1964 Code §51.08)

923.09 REMOVAL OF TREES ON PUBLIC PROPERTY.

   The Director of Public Works shall have the right and duty to trim any tree existing on any public place in the City so as to insure the public safety or to preserve the function or beauty of such public place; and he shall further have the right to remove any such tree, or any part thereof, which is in an unsafe condition or which, by reason of its location or nature, is injurious or detrimental to other public improvements in this City, or is infected with any injury, fungus, insect or other pest or disease which cannot otherwise be controlled. (1964 Code §51.10)

923.10 TRIMMING TREES ON PRIVATE PROPERTY.

   All trees standing upon private property in this City having branches projecting into public highways or public places shall, under the supervision of the Director of Public Works, be kept trimmed by the owner or occupant of such private property to such an extent that the lowest branches of such trees shall not come within nine feet of the ground where they overhang any public sidewalk, public place or public highway.

(1964 Code §51.09)