The provisions of these regulations shall be considered the minimum requirements for the promotion of the public health, safety, morals, comfort and welfare. Where provisions of the regulations of this Chapter impose greater restrictions than those of any Statute, other ordinance or regulation, the provisions of the regulations of this Chapter shall be controlling. Where the provisions of any Statute, Home Rule Charter provision, other ordinance or regulation impose greater restrictions than this Chapter, the provisions of such Statute, Home Rule Charter provision, other ordinance or regulation shall be controlling.