13.50.050 Trees.
   A.   City Engineer’s Authority. A permit granted under this Chapter does not permit, license or allow any person, firm or corporation whatever, except the City Engineer to trim, prune, cut or deface in any manner any tree upon any grounds or property belonging to the City or upon any road or street.
   B.   Supervision of Cutting Trees. At the written request of a roving contractor holding an unrevoked permit granted pursuant to the provisions of this Chapter, the City Engineer, subject to his election to so do, as provided in Section 13.50.040, within a reasonable time after such request, shall, where it will not harm the trees, trim such trees under his supervision, only to the extent necessary to move the building or structure to the location specified in the permit.