It shall be unlawful for any person, coming under the provisions of § 951-4 of this chapter to dispose of flammable waste material incidental to such operations by burning or use of fire unless such burning or fire is contained in an adequate burning device which will prevent the escape of fire or sparks. Burning such material may be done without an enclosed burner if such material is surrounded by an area cleared of all flammable materials for a distance of four hundred feet (400') radiant from the material to be burned. The provisions of § 951-3 of this chapter relating to the time of year and obtaining of permits shall apply to this section. (Ord. 231, § 5, 4/8/1946)