It shall be the responsibility of property owners in the Borough to conform to the requirements of this article as to trees upon property owned by them, or along streets, alleys and sidewalks abutting upon such property, and, upon notice from the Borough, to remove any tree or trees growing in violation of §
408-2 of this article and to trim or cut the branches or limbs of trees as required by §
408-3 hereof. Any person failing to comply with any such notice, within the time limit stated therein, shall be guilty of a violation of this article and, following the expiration of such time limit, the Borough Council shall have the authority to cause the work required by such notice to be done by the Borough or under contract therewith, and to collect the cost of such work, with an additional amount of 10% from such property owner in default.