§ 151 — Spaces under stairs

§ 151. Spaces under stairs. 1. It shall be unlawful to have a closet\nof any kind under any public stair.\n 2. The space beneath every stair from the foot of the stair to a point\nwhere the soffit is four feet or more above the floor shall be entirely\nenclosed with unpierced fire-retarded partitions. Such enclosure beneath\na flight of public stairs leading from the entrance story to the story\nnext above shall be fireproof.\n 3. Any unenclosed portion of the space beneath a flight of public\nstairs leading from the entrance story to the story next above shall be\nleft entirely open and kept clear and free from encumbrance.\n