Each section and each part of each section of these codified ordinances, including each section and each part of each section of any standard technical code adopted by reference in these codified ordinances, is hereby declared to be an independent section or part of a section and, notwithstanding any other evidence of legislative intent, it is hereby declared to be the controlling legislative intent that if any such section or part of a section, or any provision thereof, or the application thereof to any person or circumstance, is held to be invalid or unconstitutional, the remaining sections or parts of sections and the application of such provision to any other person or circumstance, other than those as to which it is held invalid or unconstitutional, shall not be affected thereby, and it is hereby declared to be the legislative intent that these codified ordinances would have been adopted independently of such section or part of a section so held to be invalid or unconstitutional.