923.02 AUTHORITY OF SERVICE DIRECTOR.

   The Director of Public Works is hereby given full jurisdiction, authority, control, supervision and direction of all trees which now or which may hereafter exist upon any public place in this City. The Director is also given full jurisdiction, authority and control in connection with the issuance of permits hereinafter provided for. In the exercise of any or all of the powers herein granted, the Director shall have the authority to delegate all or such part of his power and duties with respect to supervision and control of trees to his subordinates and assistants in the employ of the City as he may from time to time determine. (1964 Code §51.02)

923.03 PERMIT REQUIRED FOR HANDLING TREES IN PUBLIC PLACES.

   No person shall plant, remove, destroy, cut, prune, fertilize, treat, break, climb, injure or spray any tree existing on any public place in the City, or authorize or procure any person to do so, or remove or tamper with any device placed for the protection of any such tree, or attach any rope, wire, chain, sign or other device whatsoever either to such tree or to any device placed for the protection of such tree, or authorize or cause the same to be done, without first obtaining written permission from the Director of Public Works  to do so. (1964 Code §51.03)

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)