No person, without a permit, shall burn, cause or permit to be burned, on private property, outside of any building, any paper, trash or other combustible materials; provided, that such burning is done in an approved incinerator or container so constructed as to prevent embers or burning paper or other combustible material from being cast upon or blown upon any public or private property; and provided further that such burning is done between the hours of 5:00 p.m., and 8:00 p.m. (Ord. 1990-8. Passed 7-17-90.)