215 - Alcoves.

§  215.  Alcoves. No part of any room shall be enclosed or subdivided,  wholly or in part, by a curtain, portiere, fixed or movable partition or  other contrivance or device unless each such  enclosure  or  subdivision  shall  contain a separate window conforming to the provisions of section  thirty for rooms in multiple dwellings erected after  April  eighteenth,  nineteen  hundred  twenty-nine,  and have a clear floor area of at least  seventy square feet.