Nothing in this Chapter shall be deemed to impose any liability upon any member of City Council or the City or any of its officers or employees nor to relieve the owner or occupant of any private property from the duty to keep his/her private property, sidewalks, planting strip and trees in front of such private property in a safe condition so as not to be hazardous to public travel nor to relieve said property owner of the obligation to pay the cost of planting, removal and replanting of street trees in the planting strip adjacent to the property of said property owner or to relieve said property owner of liability to persons injured or otherwise damaged by reason of the property owner’s failure to keep his/her private property, sidewalks, planting strips and trees fronting such private property in a safe condition so as not to be hazardous to public travel, as required by Titles 16, 17 and 20 of the Code of the City of Portland. Furthermore, every property owner shall be liable to the City of Portland for all expenses, including attorney fees, incurred by the City in defense of or paid by the City in settlement or satisfaction of any claim, demand, action or suit brought by reason of that property owner’s failure to satisfy the obligations imposed by Title 16, 17, 20 and 33 of the Code of the City of Portland.