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 of, and with the permission of the Director, and at the expense of the applicant or person seeking the removal of such tree. As one of the conditions to obtaining permission the applicant 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 the 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 cost of such moving and replacing.
(1980 Code 94.20)