It is expressly the purpose of this Part to provide for and promote the health, safety and welfare of the general public and not to create or otherwise establish or designate any particular class or group of persons who will or should be especially protected or benefitted by the terms of this Part. It is the specific intent of this Part that no provision or term used in this Part is intended to impose any duty whatsoever upon the City of Reading or any of its officers or employees, for whom the implementation and enforcement of this Part shall be discretionary and not mandatory. Nothing contained in this Part is intended nor shall be construed to create or form the basis of any liability on the part of the City, or its officers, employees or agents, for any injury or damage resulting from any action or inaction of the Part of the City related in any matter to the enforcement of this Part by its officers, employees or agents.