Nothing contained in this chapter or in any related rule, regulation or policy (including the public tree policy) shall be deemed to impose any liability upon the city, its officers, employees or agents. Further, nothing contained in this chapter shall relieve any owner of property from the duty to keep any tree, shrub, plant or vegetation on his/her property or under his/her control including street tree areas in such condition as to prevent a hazard, nuisance or an impediment to travel. (Ord. 1948-93 § 11, 1993.)