There is hereby adopted, and incorporated by reference as if fully set out at length herein, for the purpose of establishing rules and regulations for the construction, alteration, removal, demolition, equipment, use and occupancy, location and maintenance, of one, two and three-family dwellings and appurtenant structures, that certain code known as the National Building Code, 1976 edition, recommended by the American Insurance Association, subject to the modifications provided under Section 1325.04.