1107.7.4.1.1 Units located in the cellar, basement, or first floor.
BC § 1107.7.4.1.1
In buildings or structures where the lowest story containing dwelling or sleeping units is the cellar, basement, or first floor, at least one such story containing dwelling or sleeping units, regardless of intent to occupy as a residence, shall be provided with an accessible entrance and accessible route from the exterior of the building or structure and all units on that story, regardless of intent to occupy as a residence, shall be Type B+NYC units. Where no dwelling units or sleeping units are located in the cellar, basement, or first floor, Type B units shall be provided where required by Section 1107.7.1 through 1107.7.3. Exceptions: 1. Buildings containing fewer than four dwelling units or sleeping units need not provide Type B units.
2.Group R-2 occupancies in buildings with first occupancy on or before March 13, 1991 need not provide Type B units.
