It shall be the duty of the department, among others, to extinguish fires; to rescue persons endangered by fire; to resuscitate, and to administer first aid to, persons injured in or about burning structures, or elsewhere in case of an emergency; to promote fire prevention; and unless otherwise provided, to enforce all ordinances relating to fires, fire prevention, and safety of persons from fires in theaters, stores and other public buildings. The department is authorized and responsible for providing emergency medical service within the authorized area of service, including all areas within the Haines Borough except the area south of the southern boundary line of Township 34 South. The provisions of Chapter 2.48 HBC regarding emergency medical services apply to the department as the operating department.