29 - Dumbwaiter shafts.
§ 29. Dumbwaiter shafts. In every such dwelling three stories or more in height the doors of all dumbwaiter shafts shall be made self-closing and be covered on the shaft side with fire-resistive material.
§ 29. Dumbwaiter shafts. In every such dwelling three stories or more in height the doors of all dumbwaiter shafts shall be made self-closing and be covered on the shaft side with fire-resistive material.