Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1014 - EXIT ACCESS › Subsection 1014.2 - Egress through intervening spaces

Current through Register 1525, July 5, 2024
Egress through intervening spaces shall comply with this
				  section.
1. Egress from a room or
				space shall not pass through adjoining or intervening rooms or areas, except
				where such adjoining rooms or areas and the area served are accessory to one or
				the other, are not a Group H occupancy and provide a discernible path of egress
				travel to an
exit
.
Exception:
Means of egress
are
				  not prohibited through adjoining or intervening rooms or spaces in a Group H, S
				  or F occupancy when the adjoining or intervening rooms or spaces are the same
				  or a lesser hazard occupancy group.
2. An
exit access
shall not
				pass through a room that can be locked to prevent egress.
3.
Means of egress
from
				dwelling units or sleeping areas shall not lead through other sleeping areas,
				toilet rooms or bathrooms.
4.
				Egress shall not pass through kitchens, storage rooms, closets or spaces used
				for similar purposes.
Exceptions:
1.
Means of egress
are not
				prohibited through a kitchen area serving adjoining rooms constituting part of
				the same dwelling unit or sleeping unit.
2.
Means of egress
are not
				prohibited through stockrooms in Group M occupancies when all of the following
				are met:
2.1. The stock is of the same hazard
				classification as that found in the main retail area;
2.2. Not more than 50 percent of the
exit access
is through the stockroom;
2.3. The stockroom is not subject to locking
				from the egress side; and
2.4. There
				is a demarcated, minimum 44-inch-wide (1118 mm)
aisle
defined
				by full- or partial-height fixed walls or similar construction that will
				maintain the required width and lead directly from the retail area to the
exit
without obstructions.
1014.2.1
Multiple tenants.
Where
				more than one tenant occupies any one floor of a building or structure, each
				tenant space, dwelling unit and sleeping unit shall be provided with access to
				the required
exits
without passing through adjacent tenant
				spaces, dwelling units and sleeping units.
Exception:
The
means of egress
from a smaller tenant space shall not be prohibited from passing through a
				  larger adjoining tenant space where such rooms or spaces of the smaller tenant
				  occupy less than 10 percent of the area of the larger tenant space through
				  which they pass; are the same or similar occupancy group; a discernable path of
				  egress travel to an
exit
is provided; and the
means of
				  egress
into the adjoining space is not subject to locking from the
				  egress side. A required
means of egress
serving the larger
				  tenant space shall not pass through the smaller tenant space or spaces.
1014.2.2
Group I-2.
Habitable rooms or
suites
in Group I-2 occupancies
				shall have an
exit access
door leading directly to a
corridor
.
Exception:
Rooms with
exit
doors opening directly to the outside at ground level.
1014.2.3
Suites in patient sleeping
				areas.
Patient sleeping areas in Group I-2 occupancies shall be
				permitted to be divided into
suites
with one intervening room
				if one of the following conditions is met:
1.
				The intervening room within the
suite
is not used as an
exit access
for more than eight patient beds.
2. The arrangement of the
suite
allows for direct and constant visual supervision by
				nursing personnel.
1014.2.3.1
Area.
Suites
of sleeping rooms shall not exceed 5,000 square
				feet (465 m2).
1014.2.3.2
Exit access.
Any
				patient sleeping room, or any
suite
that includes patient
				sleeping rooms, of more than 1,000 square feet (93
				m2) shall have at least two
exit
				access
doors remotely located from each other.
1014.2.3.3
Travel distance.
The
				travel distance between any point in a
suite
of sleeping rooms
				and an
exit access
door of that
suite
shall
				not exceed 100 feet (30 480 mm).
1014.2.4
Suites in areas other than
				patient sleeping areas.
Areas other than patient sleeping areas in Group
				I-2 occupancies shall be permitted to be divided into
suites
.
1014.2.4.1
Area.
Suites
of rooms, other than patient sleeping rooms,
				shall not exceed 10,000 square feet (929
				m2).
1014.2.4.2
Exit access.
Any room
				or
suite
of rooms, other than patient sleeping rooms, of more
				than 2,500 square feet (232 m2) shall have at least
				two
exit access
doors remotely located from each
				other.
1014.2.4.3
One
				intervening room.
For rooms other than patient sleeping rooms,
suites
of rooms are permitted to have one intervening room if
				the travel distance within the
suite
to the
exit
				access
door is not greater than 100 feet (30 480 mm).
1014.2.4.4
Two intervening rooms.
For rooms other than patient sleeping rooms located within a
suite
,
exit access
travel from within the
suite
shall be permitted through two intervening rooms where
				the travel distance to the
exit access
door is not greater
				than 50 feet (15 240 mm).
1014.2.5
Exit access through suites.
Exit access
from all other portions of a building not
				classified as a
suite
in a Group I-2 occupancy shall not pass
				through a
suite
.
1014.2.6
Travel distance.
The
				travel distance between any point in a Group I-2 occupancy patient sleeping
				room and an
exit access
door in that room shall not exceed 50
				feet (15 240 mm).
1014.2.7
Separation.
Suites
in Group I-2 occupancies shall be
				separated from other portions of the building by a
smoke
				partition
complying with Section 711.