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.
N.Y. Mult. Resid. Law § 29
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.
N.Y. Mult. Resid. Law § 29