D.C. Mun. Regs. tit. 12, r. AM103
Exception: One and two family dwelling units used as a home day care occupancy where the occupancy is equipped throughout with an automatic sprinkler system in accordance with Section R313 shall provide an exit door that provides direct access to the exterior.
At grade level nine occupants or less. At grade levels with an occupant load of nine or less shall be provided with an exit door that provides direct access to the exterior and a means of escape in compliance with Section R310.
Exception: One and two family dwelling units used as a home day care occupancy equipped with an automatic sprinkler system in accordance with Section R313 need only provide an exit door that provides direct access to the exterior.
At grade level more than nine occupants. At grade levels with an occupant load of more than nine shall be provided with two means of egress one of which shall be an exit door that provides direct access to the exterior.
Second story nine occupants or less. The second story with an occupant load of nine or less shall be provided with a means of exit access and a means of escape in compliance with Section R310.
Second story more than nine occupants. The second story with an occupant load of more than nine shall be provided with two means of egress one of which shall be an exit door that provides direct access to the exterior.
Exception: One and two family dwelling units used as a home day care occupancy equipped with an automatic sprinkler system in accordance Section R313 need only provide a means of exit access and a means of escape in compliance with Section R310.
Dwellings with Three or More Stories. Home day care shall not be provided above the second story in dwellings with three or more stories.
Exception: The third story is allowed to be used for home day care where the dwelling is equipped throughout with an automatic sprinkler system in accordance with Section R313 and the third story is provided with a means of exit access and a means of escape in compliance with Section R310.
Type of fence and hardware. The fence shall be of durable materials and be at least 6 feet (1529 mm) tall, completely enclosing the area used for the day care operations. Each opening shall be a gate or door equipped with a self-closing and self- latching device to be installed at a minimum of 5 feet (1528 mm) above the ground.
Exception: The door of any dwelling which forms part of the enclosure need not be equipped with self-closing and self- latching devices.
The maximum vertical clearance between grade and the bottom of the fence, wall or enclosure shall be 2 inches (51 mm).
Solid walls or enclosures that do not have openings, such as masonry or stone walls, shall not contain indentations or protrusions, except for tooled masonry joints.
Maximum mesh size for chain link fences shall be 11/4 inches (32 mm) square, unless the fence has slats at the top or bottom which reduce the opening to no more than 1/4inches (44 mm). The wire shall not be less than 9 gage [0.148 inch (3.8 mm)].
Type of lock and latches for exits. Regardless of the occupant load served, exit doors shall be capable of being opened from the inside without the use of a key or any special knowledge or effort. When the occupant load is 10 or less, a night latch, dead bolt or security chain may be used, provided such devices are capable of being opened from the inside without the use of a key or tool, and mounted at a height not to exceed 48 inches (1219 mm) above the finished floor.
Landings. Landings for stairways and doors shall comply with Section R311, except that landings shall be required for the exterior side of a sliding door when a home day care is being operated in the dwelling.
D.C. Mun. Regs. tit. 12, r. AM103