It shall be unlawful for any person to start a fire to any pile of papers, shavings, weeds, brush, leaves, grass or other combustible material on any of the streets, alleys, gutters, parkways, boulevards or upon any other public grounds in the City; provided, that a fire may be built in any stove or fireplace furnished by the Department of Parks and Recreation, and any such fire so started shall be extinguished and made safe before the persons starting or maintaining such fire shall leave the place where the fire is started. (Code 1981 § 16-116. Code 1995 § 70-161.)