The purpose of this chapter is to provide minimum requirements for the protection of life, limb, health, property, safety, and welfare of the general public and the owners and occupants of residential buildings. It is the further purpose of the provisions of the chapter to foster the preservation of buildings and structures of historical value by discouraging their demolition, and to protect against the unintentional damaging or destruction of structures of historical value through the demolition of dangerous buildings structurally connected to such historical structures. (Prior code § 49.01.102)