§ 204. Bulkheads. Every stair and fire-stair required by this chapter
to extend to the level of the roof shall extend to and through a
fireproof bulkhead or other fireproof enclosure in such roof. Such
bulkhead or enclosure shall give unobstructed access at all times to
such roof by means of a fireproof door and door assembly with the door
self-closing. Stairs to a bulkhead or enclosure shall have a handrail.
Where the roof of a dwelling is pitched or sloped more than fifteen
degrees, no bulkhead or stairs leading thereto shall be required.