reglab/statecodes huggingface dataset:
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1018 - CORRIDORS › Subsection 1018.6 - Corridor continuity

Current through Register 1525, July 5, 2024
Fire-resistance-rated corridors shall be continuous from the
				  point of entry to an
exit
, and shall not be interrupted by
				  intervening rooms.
Exception:
Foyers, lobbies or reception rooms
				  constructed as required for
corridors
shall not be construed
				  as intervening rooms.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1019 - EGRESS BALCONIES › Subsection 1019.1 - General

Current through Register 1525, July 5, 2024
Balconies used for egress purposes shall conform to the same
				  requirements as
corridors
for width, headroom, dead ends and
				  projections.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1019 - EGRESS BALCONIES › Subsection 1019.2 - Wall separation

Current through Register 1525, July 5, 2024
Exterior egress balconies shall be separated from the
				  interior of the building by walls and opening protectives as required for
corridors
.
Exception:
Separation is not required where the
				  exterior egress balcony is served by at least two
stairs
and a
				  dead-end travel condition does not require travel past an unprotected opening
				  to reach a
stair
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1019 - EGRESS BALCONIES › Subsection 1019.3 - Openness

Current through Register 1525, July 5, 2024
The long side of an egress balcony shall be at least 50
				  percent open, and the open area above the guards shall be so distributed as to
				  minimize the accumulation of smoke or toxic gases.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1020 - EXITS › Subsection 1020.1 - General

Current through Register 1525, July 5, 2024
Exits
shall comply with Sections 1020
				  through 1026 and the applicable requirements of Sections 1003 through 1013. An
exit
shall not be used for any purpose that interferes with
				  its function as a
means of egress
. Once a given level of exit
				  protection is achieved, such level of protection shall not be reduced until
				  arrival at the
exit discharge
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1020 - EXITS › Subsection 1020.2 - Exterior exit doors

Current through Register 1525, July 5, 2024
Buildings or structures used for human occupancy shall have
				  at least one exterior door that meets the requirements of Section
				  1008.1.1.
1020.2.1
Detailed
				requirements.
Exterior
exit
doors shall comply with the
				applicable requirements of Section 1008.1.
1020.2.2
Arrangement.
Exterior
exit
doors shall lead directly to the
exit
				discharge
or the
public way
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1021 - NUMBER OF EXITS AND CONTINUITY › Subsection 1021.1 - Exits from stories

Current through Register 1525, July 5, 2024
All spaces within each
story
shall have
				  access to the minimum number of
approved
independent
exits
as specified in Table 1021.1 based on the
occupant load
of the
story
. For the purposes
				  of this chapter, occupied roofs shall be provided with
exits
as required for stories.
Exceptions:
1. As modified by Section 403.5.2.
2. As modified by Section 1021.2.
3.
Exit
access
stairways
and
ramps
that comply with Exception 3 or 4 of Section 1016.1 shall be permitted to
				provide the minimum number of
approved
independent
exits
required by Table 1021.1 on each
story
.
4. In Group
				R-2 and R-3 occupancies, one
means of egress
is permitted
				within and from individual dwelling units with a maximum
occupant
				load
of 20 where the dwelling unit is equipped throughout with an
automatic sprinkler system
in accordance with Section
				903.3.1.1 or 903.3.1.2.
5. Within a
story
, rooms and spaces complying with Section 1015.1 with
exits
that discharge directly to the exterior at the
level of exit discharge
, are permitted to have one
exit
.
TABLE 1021.1 MINIMUM NUMBER OF EXITS FOR OCCUPANT
				  LOAD
OCCUPANT LOAD
(persons
							 per story)
MINIMUM NUMBER OF EXITS
(per story)
1-500
2
501-1,000
3
More than 1,000
4
1021.1.1
Exits maintained.
The required number of
exits
from any
story
shall be maintained until arrival at grade or
				the
public way
.
1021.1.2
Parking structures.
Parking structures shall not have less than two
exits
from
				each parking tier, except that only one
exit
is required where
				vehicles are mechanically parked. Vehicle ramps shall not be considered as
				required
exits
unless pedestrian facilities are
				provided.
1021.1.3
Helistops.
The
means of egress
from helistops
				shall comply with the provisions of this chapter, provided that landing areas
				located on buildings or structures shall have two or more
exits
. For landing platforms or roof areas less than 60 feet
				(18 288 mm) long, or less than 2,000 square feet (186
				m2) in area, the second
means of
				egress
is permitted to be a fire escape,
alternating tread
				device
or ladder leading to the floor below.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1021 - NUMBER OF EXITS AND CONTINUITY › Subsection 1021.2 - Single exits

Current through Register 1525, July 5, 2024
Only one
exit
shall be required from Group
				  R-3 occupancy buildings or from stories of other buildings as indicated in
				  Table 1021.2. Occupancies shall be permitted to have a single
exit
in buildings otherwise required to have more than one
exit
if the areas served by the single
exit
do not exceed the limitations of Table 1021.2. Mixed occupancies shall be
				  permitted to be served by single
exits
provided each
				  individual occupancy complies with the applicable requirements of Table 1021.2
				  for that occupancy. Where applicable, cumulative
occupant
				  loads
from adjacent occupancies shall be considered in accordance with
				  the provisions of Section 1004.1. Basements with a single
exit
shall not be located more than one
story
below
grade
				  plane
.
TABLE 1021.2 STORIES WITH ONE EXIT
STORY
OCCUPANCY
MAXIMUM OCCUPANTS (OR DWELLING UNITS)
PER FLOOR AND TRAVEL DISTANCE
First story or basement
A, Bd,
							 Ee, Fd, M, U,
							 Sd
49 occupants and 75 feet travel distance
H-2, H-3
3 occupants and 25 feet travel distance
H-4, H-5, I, R
10 occupants and 75 feet travel distance
Sa
29 occupants and 100 feet travel distance
Second story
Bb, F, M,
							 Sa
29 occupants and 75 feet travel distance
R-2
4 dwelling units and 50 feet travel distance
Third story
R-2c
4 dwelling units and 50 feet travel distance
For SI: 1 foot = 304.8 mm.
a. For the
							 required number of exits for parking structures, see Section 1021.1.2.
b. For the required number of exits for air traffic control
							 towers, see Section 412.3.
c. Buildings classified as Group R-2
							 equipped throughout with an automatic sprinkler system in accordance with
							 Section 903.3.1.1 or 903.3.1.2 and provided with emergency escape and rescue
							 openings in accordance with Section 1029.
d. Group B, F and S
							 occupancies in buildings equipped throughout with an automatic sprinkler system
							 in accordance with Section 903.3.1.1 shall have a maximum travel distance of
							 100 feet.
e. Day care occupancies shall have a maximum occupant
							 load of 10.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1021 - NUMBER OF EXITS AND CONTINUITY › Subsection 1021.3 - Exit continuity

Current through Register 1525, July 5, 2024
Exits
shall be continuous from the point of
				  entry into the
exit
to the
exit
				  discharge
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1021 - NUMBER OF EXITS AND CONTINUITY › Subsection 1021.4 - Exit door arrangement

Current through Register 1525, July 5, 2024
Exit
door arrangement shall meet the
				  requirements of Sections 1015.2 through 1015.2.2.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.1 - Enclosures required

Current through Register 1525, July 5, 2024
Interior
exit
stairways
and interior
exit
ramps
shall be enclosed with
fire barriers
constructed in accordance with Section 707 or
horizontal
				  assemblies
constructed in accordance with Section 712, or both.
Exit enclosures
shall have a
fire-resistance
				  rating
of not less than 2 hours where connecting four stories or more
				  and not less than 1 hour where connecting less than four stories. The number of
				  stories connected by the
exit
enclosure
shall
				  include any basements but not any
mezzanines
.
Exit
				  enclosures
shall have a
fire-resistance rating
not
				  less than the floor assembly penetrated, but need not exceed 2 hours.
Exit enclosures
shall lead directly to the exterior of the
				  building or shall be extended to the exterior of the building with an
exit passageway
conforming to the requirements of Section
				  1023, except as permitted in Section 1027.1. An
exit
enclosure
shall not be used for any purpose other than
means of egress
.
Exceptions:
1. In all occupancies, other than Group H and
				I occupancies, a
stairway
is not required to be enclosed when
				the
stairway
serves an
occupant load
of less
				than 10 and the
stairway
complies with either Item 1.1 or 1.2.
				In all cases, the maximum number of connecting open stories shall not exceed
				two.
1.1. The
stairway
is
				open to not more than one
story
above its
level of
				exit discharge
; or
1.2.
				The
stairway
is open to not more than one
story
below its
level of exit
				discharge
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.2 - Termination

Current through Register 1525, July 5, 2024
Exit enclosures
shall terminate at an
exit discharge
or a
public way
.
Exception:
An
exit
enclosure
shall be permitted to terminate at an
exit
				  passageway
complying with Section 1023, provided the
exit
				  passageway
terminates at an
exit discharge
or a
public way
.
1022.2.1
Extension.
Where an
exit
enclosure
is extended to an
exit discharge
or
				a
public way
by an
exit passageway
, the
exit
enclosure
shall be separated from the
exit passageway
by a
fire barrier
constructed
				in accordance with Section 707 or a
horizontal assembly
constructed in accordance with Section 712, or both. The
fire-resistance rating
shall be at least equal to that
				required for the
exit
enclosure
. A
fire door assembly
complying with Section 715.4 shall be
				installed in the
fire barrier
to provide a
means of
				egress
from the
exit enclosure
to the
exit
				passageway
. Openings in the
fire barrier
other than
				the
fire door assembly
are prohibited. Penetrations of the
fire barrier
are prohibited.
Exception:
Penetrations of the
fire
				  barrier
in accordance with Section 1022.4 shall be
				  permitted.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.3 - Openings and penetrations

Current through Register 1525, July 5, 2024
.
Exit
enclosure
opening
				  protectives shall be in accordance with the requirements of Section 715.
Openings in
exit enclosures
other than
				  unprotected exterior openings shall be limited to those necessary for
exit
access
to the enclosure from normally
				  occupied spaces and for egress from the enclosure.
Elevators shall not open into an
exit
enclosure
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.4 - Penetrations

Current through Register 1525, July 5, 2024
Penetrations into and openings through an
exit
enclosure
are prohibited except for
				  required
exit
doors, equipment and ductwork necessary for
				  independent ventilation or pressurization, sprinkler piping, standpipes,
				  electrical raceway for fire department communication systems and electrical
				  raceway serving the
exit
enclosure
and
				  terminating at a steel box not exceeding 16 square inches (0.010
				  m2). Such penetrations shall be protected in
				  accordance with Section 713. There shall be no penetrations or communication
				  openings, whether protected or not, between adjacent
exit
				  enclosures
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.5 - Ventilation

Current through Register 1525, July 5, 2024
Equipment and ductwork for
exit
enclosure
ventilation as permitted by Section 1022.4 shall
				  comply with one of the following items:
1. Such equipment and ductwork shall be
				located exterior to the building and shall be directly connected to the
exit enclosure
by ductwork enclosed in construction as
				required for shafts.
2. Where such
				equipment and ductwork is located within the
exit
enclosure
, the intake air shall be taken directly from the
				outdoors and the exhaust air shall be discharged directly to the outdoors, or
				such air shall be conveyed through ducts enclosed in construction as required
				for shafts.
3. Where located within
				the building, such equipment and ductwork shall be separated from the remainder
				of the building, including other mechanical equipment, with construction as
				required for shafts.
In each case, openings into the fire-resistance-rated
				  construction shall be limited to those needed for maintenance and operation and
				  shall be protected by opening protectives in accordance with Section 715 for
				  shaft enclosures.
Exit
enclosure
ventilation
				  systems shall be independent of other building ventilation
				  systems.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.6 - Exit enclosure exterior walls

Current through Register 1525, July 5, 2024
Exterior walls
of an
exit
enclosure
shall comply with the requirements of Section 705
				  for
exterior walls
. Where nonrated walls or unprotected
				  openings enclose the exterior of the
stairway
and the walls or
				  openings are exposed by other parts of the building at an angle of less than
				  180 degrees (3.14 rad), the building
exterior walls
within 10
				  feet (3048 mm) horizontally of a nonrated wall or unprotected opening shall
				  have a
fire-resistance rating
of not less than 1 hour.
				  Openings within such
exterior walls
shall be protected by
				  opening protectives having a
fire protection rating
of not
				  less than 3/4 hour. This
				  construction shall extend vertically from the ground to a point 10 feet (3048
				  mm) above the topmost landing of the
stairway
or to the roof
				  line, whichever is lower.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.7 - Discharge identification

Current through Register 1525, July 5, 2024
A
stairway
in an
exit
				  enclosure
shall not continue below its
level of
exit discharge
unless an approved barrier is provided at the
level of
exit discharge
to prevent persons
				  from unintentionally continuing into levels below. Directional
exit
signs shall be provided as specified in Section
				  1011.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.8 - Floor identification signs

Current through Register 1525, July 5, 2024
A sign shall be provided at each floor landing in
exit enclosures
connecting more than three stories designating
				  the floor level, the terminus of the top and bottom of the
exit
				  enclosure
and the identification of the
stair
or
ramp
. The signage shall also state the
story
of, and the direction to, the
exit discharge
and the
				  availability of roof access from the enclosure for the fire department. The
				  sign shall be located 5 feet (1524 mm) above the floor landing in a position
				  that is readily visible when the doors are in the open and closed positions.
				  Floor level identification signs in tactile characters complying with ICC
				  A117.1 shall be located at each floor level landing adjacent to the door
				  leading from the enclosure into the corridor to identify the floor
				  level.
1022.8.1
Signage
				requirements.
Stairway
identification signs shall
				comply with all of the following requirements:
1. The signs shall be a minimum size of 18
				inches by 12 inches (457 mm by 305 mm).
2. The letters designating the identification
				of the stair enclosure shall be a minimum of
				11/2 inches (38 mm) in
				height.
3. The number designating
				the floor level shall be a minimum of 5 inches (127 mm) in height and located
				in the center of the sign.
4. All
				other lettering and numbers shall be a minimum of 1 inch (25 mm) in
				height.
5. Characters and their
				background shall have a nonglare finish. Characters shall contrast with their
				background, with either light characters on a dark background or dark
				characters on a light background.
6. When signs required by Section 1022.8 are
				installed in interior
exit enclosures
of buildings subject to
				Section 1024, the signs shall be made of the same materials as required by
				Section 1024.4.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1022 - EXIT ENCLOSURES › Subsection 1022.9 - Smokeproof enclosures and pressurized stairways

Current through Register 1525, July 5, 2024
In buildings required to comply with Section 403 or 405,
				  each of the
exit enclosures
serving a
story
with a floor surface located more than 75 feet (22 860 mm) above the lowest
				  level of fire department vehicle access or more than 30 feet (9144 mm) below
				  the finished floor of a
level of exit discharge
serving such
				  stories shall be a
smokeproof enclosure
or pressurized
stairway
in accordance with Section 909.20.
1022.9.1
Termination and
				extension.
A
smokeproof enclosure
or pressurized
stairway
shall terminate at an
exit discharge
or a
public way
. The
smokeproof enclosure
or
				pressurized
stairway
shall be permitted to be extended by an
exit passageway
in accordance with Section 1022.2. The
exit passageway
shall be without openings other than the
fire door
assembly
required by Section 1022.2
				and those necessary for egress from the
exit passageway
. The
exit passageway
shall be separated from the remainder of the
				building by 2-hour
fire barriers
constructed in accordance
				with Section 707 or
horizontal assemblies
constructed in
				accordance with Section 712, or both.
Exceptions:
1. Openings in the
exit
				passageway
serving a
smokeproof enclosure
are
				permitted where the
exit passageway
is protected and
				pressurized in the same manner as the
smokeproof enclosure
,
				and openings are protected as required for access from other floors.
2. Openings in the
exit
				passageway
serving a pressurized
stairway
are
				permitted where the
exit passageway
is protected and
				pressurized in the same manner as the pressurized
stairway
.
3. The
fire barrier
separating the
smokeproof
				enclosure
or pressurized
stairway
from the
exit passageway
is not required, provided the
exit
				passageway
is protected and pressurized in the same manner as the
smokeproof enclosure
or pressurized
stairway
.
4. A
smokeproof enclosure
or pressurized
stairway
shall be permitted to egress through areas on the level of discharge
				or vestibules as permitted by Section 1027.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1023 - EXIT PASSAGEWAYS › Subsection 1023.1 - Exit passageway

Current through Register 1525, July 5, 2024
Exit passageways
serving as an
exit
component in a
means of egress
system
				  shall comply with the requirements of this section. An
exit
				  passageway
shall not be used for any purpose other than as a
means of egress
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1023 - EXIT PASSAGEWAYS › Subsection 1023.2 - Width

Current through Register 1525, July 5, 2024
The width of
exit passageways
shall be
				  determined as specified in Section 1005.1 but such width shall not be less than
				  44 inches (1118 mm), except that
exit passageways
serving an
occupant load
of less than 50 shall not be less than 36 inches
				  (914 mm) in width. The required width of
exit passageways
shall be unobstructed.
Exception:
Doors complying with Section
				  1005.2.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1023 - EXIT PASSAGEWAYS › Subsection 1023.3 - Construction

Current through Register 1525, July 5, 2024
Exit passageway
enclosures shall have walls,
				  floors and ceilings of not less than 1-hour
fire-resistance
				  rating
, and not less than that required for any connecting
exit enclosure
.
Exit passageways
shall be
				  constructed as
fire barriers
in accordance with Section 707 or
horizontal assemblies
constructed in accordance with Section
				  712, or both.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1023 - EXIT PASSAGEWAYS › Subsection 1023.5 - Openings and penetrations

Current through Register 1525, July 5, 2024
Exit passageway
opening protectives shall be
				  in accordance with the requirements of Section 715.
Except as permitted in Section 402.4.6, openings in
exit passageways
other than exterior openings shall be limited
				  to those necessary for
exit access
to the
exit
				  passageway
from normally occupied spaces and for egress from the
exit passageway
.
Where an
exit enclosure
is extended to an
exit discharge
or a
public way
by an
exit passageway
, the
exit passageway
shall
				  also comply with Section 1022.2.1.
Elevators shall not open into an
exit
				  passageway
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1023 - EXIT PASSAGEWAYS › Subsection 1023.6 - Penetrations

Current through Register 1525, July 5, 2024
Penetrations into and openings through an
exit
				  passageway
are prohibited except for required
exit
doors, equipment and ductwork necessary for independent pressurization,
				  sprinkler piping, standpipes, electrical raceway for fire department
				  communication and electrical raceway serving the
exit
				  passageway
and terminating at a steel box not exceeding 16 square
				  inches (0.010 m2). Such penetrations shall be
				  protected in accordance with Section 713. There shall be no penetrations or
				  communicating openings, whether protected or not, between adjacent
exit
				  passageways
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1024 - LUMINOUS EGRESS PATH MARKINGS › Subsection 1024.1 - General

Current through Register 1525, July 5, 2024
Approved
luminous egress path markings
				  delineating the exit path shall be provided in buildings of Groups A, B, E, I,
				  M and R-1 having occupied floors located more than 75 feet (22 860 mm) above
				  the lowest level of fire department vehicle access in accordance with Sections
				  1024.1 through 1024.5.
Exceptions:
1. Luminous egress path markings shall not be
				required on the
level of exit discharge
in lobbies that serve
				as part of the exit path in accordance with Section 1027.1, Exception
				1.
2. Luminous egress path markings
				shall not be required in areas of
open parking garages
that
				serve as part of the exit path in accordance with Section 1027.1, Exception
				3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1024 - LUMINOUS EGRESS PATH MARKINGS › Subsection 1024.3 - Uniformity

Current through Register 1525, July 5, 2024
Placement and dimensions of markings shall be consistent and
				  uniform throughout the same
exit
enclosure
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1024 - LUMINOUS EGRESS PATH MARKINGS › Subsection 1024.4 - Self-luminous and photoluminescent

Current through Register 1525, July 5, 2024
Luminous egress path markings shall be permitted to be made
				  of any material, including paint, provided that an electrical charge is not
				  required to maintain the required luminance. Such materials shall include, but
				  are not limited to,
self-luminous
materials and
photoluminescent
materials. Materials shall comply with
				  either:
1. UL 1994; or
2. ASTM E 2072, except that the charging
				source shall be 1 footcandle (11 lux) of fluorescent illumination for 60
				minutes, and the minimum luminance shall be 30 millicandelas per square meter
				at 10 minutes and 5 millicandelas per square meter after 90 minutes.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1024 - LUMINOUS EGRESS PATH MARKINGS › Subsection 1024.5 - Illumination

Current through Register 1525, July 5, 2024
Exit enclosures
where photoluminescent exit
				  path markings are installed shall be provided with the minimum
means of
				  egress
illumination required by Section 1006 for at least 60 minutes
				  prior to periods when the building is occupied.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1025 - HORIZONTAL EXITS › Subsection 1025.1 - Horizontal exits

Current through Register 1525, July 5, 2024
Horizontal exits
serving as an
exit
in a
means of egress
system shall comply
				  with the requirements of this section. A
horizontal exit
shall
				  not serve as the only
exit
from a portion of a building, and
				  where two or more
exits
are required, not more than one-half
				  of the total number of
exits
or total
exit
width shall be
horizontal exits
.
Exceptions:
1.
Horizontal exits
are
				permitted to comprise two-thirds of the required
exits
from
				any building or floor area for occupancies in Group I-2.
2.
Horizontal exits
are
				permitted to comprise 100 percent of the
exits
required for
				occupancies in Group I-3. At least 6 square feet (0.6
				m2) of accessible space per occupant shall be
				provided on each side of the
horizontal exit
for the total
				number of people in adjoining compartments.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1025 - HORIZONTAL EXITS › Subsection 1025.2 - Separation

Current through Register 1525, July 5, 2024
The separation between buildings or refuge areas connected
				  by a
horizontal exit
shall be provided by a
fire
				  wall
complying with Section 706; or it shall be provided by a
fire barrier
complying with Section 707 or a
horizontal assembly
complying with Section 712, or both. The
				  minimum
fire-resistance rating
of the separation shall be 2
				  hours. Opening protectives in
horizontal exits
shall also
				  comply with Section 715. Duct and air transfer openings in a
fire
				  wall
or
fire barrier
that serves as a
horizontal exit
shall also comply with Section 716. The
horizontal exit
separation shall extend vertically through all
				  levels of the building unless floor assemblies have a
fire-resistance
				  rating
of not less than 2 hours with no unprotected openings.
Exception:
A
fire-resistance
				  rating
is not required at
horizontal exits
between a
				  building area and an above-grade
pedestrian walkway
constructed in accordance with Section 3104, provided that the distance between
				  connected buildings is more than 20 feet (6096 mm).
Horizontal exits
constructed as
fire barriers
shall be continuous from
exterior
				  wall
to
exterior wall
so as to divide completely the
				  floor served by the
horizontal exit
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1025 - HORIZONTAL EXITS › Subsection 1025.3 - Opening protectives

Current through Register 1525, July 5, 2024
Fire doors
in
horizontal
				  exits
shall be self-closing or automatic-closing when activated by a
smoke detector
in accordance with Section 715.4.8.3. Doors,
				  where located in a cross-corridor condition, shall be automatic-closing by
				  activation of a
smoke detector
installed in accordance with
				  Section 715.4.8.3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1025 - HORIZONTAL EXITS › Subsection 1025.4 - Capacity of refuge area

Current through Register 1525, July 5, 2024
The refuge area of a
horizontal exit
shall
				  be a space occupied by the same tenant or a public area and each such refuge
				  area shall be adequate to accommodate the original
occupant
				  load
of the refuge area plus the
occupant load
anticipated from the adjoining compartment. The anticipated
occupant
				  load
from the adjoining compartment shall be based on the capacity of
				  the
horizontal exit
doors entering the refuge area. The
				  capacity of the refuge area shall be computed based on a net floor area
				  allowance of 3 square feet (0.2787 m2) for each
				  occupant to be accommodated therein.
Exception:
The net floor area allowable per
				  occupant shall be as follows for the indicated occupancies:
1. Six square feet (0.6
				m2) per occupant for occupancies in Group
				I-3.
2. Fifteen square feet (1.4
				m2) per occupant for ambulatory occupancies in Group
				I-2.
3. Thirty square feet (2.8
				m2) per occupant for nonambulatory occupancies in
				Group I-2.
The refuge area into which a
horizontal exit
leads shall be provided with
exits
adequate to meet the
				  occupant requirements of this chapter, but not including the added
occupant load
imposed by persons entering it through
horizontal exits
from other areas. At least one refuge area
exit
shall lead directly to the exterior or to an
exit
enclosure
.
Exception:
The adjoining compartment shall not
				  be required to have a
stairway
or door leading directly
				  outside, provided the refuge area into which a
horizontal exit
leads has stairways or doors leading directly outside and are so arranged that
				  egress shall not require the occupants to return through the compartment from
				  which egress originates.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.1 - Exterior exit ramps and stairways

Current through Register 1525, July 5, 2024
Exterior
exit
ramps
and
stairways
serving as an element of
				  a required
means of egress
shall comply with this
				  section.
Exception:
Exterior exit
ramps
and
stairways
for outdoor stadiums
				  complying with Section 1022.1, Exception 2.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.2 - Use in a means of egress

Current through Register 1525, July 5, 2024
Exterior
exit
stairways
shall not be used as an element of a required
means of egress
for Group I-2 occupancies. For occupancies in
				  other than Group I-2,
exterior
exit
ramps
and
stairways
shall be permitted as an
				  element of a required
means of egress
for buildings not
				  exceeding six stories above
grade plane
or having occupied
				  floors more than 75 feet (22 860 mm) above the lowest level of fire department
				  vehicle access.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.3 - Open side

Current through Register 1525, July 5, 2024
Exterior
exit
ramps
and
stairways
serving as an element of
				  a required
means of egress
shall be open on at least one side.
				  An open side shall have a minimum of 35 square feet (3.3
				  m2) of aggregate open area adjacent to each floor
				  level and the level of each intermediate landing. The required open area shall
				  be located not less than 42 inches (1067 mm) above the adjacent floor or
				  landing level.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.4 - Side yards

Current through Register 1525, July 5, 2024
The open areas adjoining
exterior
exit ramps
or
stairways
shall be either
yards
,
courts
or
public
				  ways
; the remaining sides are permitted to be enclosed by the
exterior walls
of the building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.5 - Location

Current through Register 1525, July 5, 2024
Exterior
exit
ramps
and
stairways
shall be located in
				  accordance with Section 1027.3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1026 - EXTERIOR EXIT RAMPS AND STAIRWAYS › Subsection 1026.6 - Exterior ramps and stairway protection

Current through Register 1525, July 5, 2024
Exterior
exit ramps
and
stairways
shall be separated from the interior of the building
				  as required in Section 1022.1. Openings shall be limited to those necessary for
				  egress from normally occupied spaces.
Exceptions:
1. Separation from the interior of the
				building is not required for occupancies, other than those in Group R-1 or R-2,
				in buildings that are no more than two stories above
grade
				plane
where a
level of exit discharge
serving such
				occupancies is the first
story above grade plane
.
2. Separation from the interior of the
				building is not required where the
exterior ramp
or
stairway
is served by an exterior
ramp
or
				balcony that connects two remote
exterior
stairways
or other
approved exits
, with a
				perimeter that is not less than 50 percent open. To be considered open, the
				opening shall be a minimum of 50 percent of the height of the enclosing wall,
				with the top of the openings no less than 7 feet (2134 mm) above the top of the
				balcony.
3. Separation from the
				interior of the building is not required for an
exterior ramp
or
stairway
located in a building or structure that is
				permitted to have unenclosed
interior
stairways
in accordance with Section 1022.1.
4. Separation from the interior of the
				building is not required for
exterior ramps
or
stairways
connected to open-ended
corridors
,
				provided that Items 4.1 through 4.4 are met:
4.1. The building, including
corridors,
ramps
and
stairs
,
				shall be equipped throughout with an
automatic sprinkler
				system
in accordance with Section 903.3.1.1 or 903.3.1.2.
4.2. The open-ended
corridors
comply with Section 1018.
4.3. The open-ended
corridors
are connected on each end to an
exterior
exit
ramp
or
stairway
complying with Section 1026.
4.4. At any location in an open-ended
corridor
where a change of direction exceeding 45 degrees
				(0.79 rad) occurs, a clear opening of not less than 35 square feet (3.3
				m2) or an
exterior
ramp
or
stairway
shall be provided. Where
				clear openings are provided, they shall be located so as to minimize the
				accumulation of smoke or toxic gases.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.1 - General

Current through Register 1525, July 5, 2024
Exits
shall discharge directly to the
				  exterior of the building. The
exit discharge
shall be at grade
				  or shall provide direct access to grade. The
exit discharge
shall not reenter a building. The combined use of Exceptions 1 and 2 below
				  shall not exceed 50 percent of the number and capacity of the required
exits
.
Exceptions:
1. A maximum of 50 percent of the number and
				capacity of the
exit enclosures
is permitted to egress through
				areas on the level of discharge provided all of the following are met:
1.1. Such
exit enclosures
egress to a free and unobstructed path of travel to an exterior
exit
door and such
exit
is readily visible
				and identifiable from the point of termination of the
exit
enclosure.
1.2. The entire area of
				the
level of exit discharge
is separated from areas below by
				construction conforming to the
fire-resistance rating
for the
exit
enclosure
.
1.3. The egress path from the
exit
enclosure
on the
level of exit
				discharge
is protected throughout by an
approved automatic
				sprinkler system
. All portions of the
level of exit
				discharge
with access to the egress path shall either be protected
				throughout with an
automatic sprinkler system
installed in
				accordance with Section 903.3.1.1 or 903.3.1.2, or separated from the egress
				path in accordance with the requirements for the enclosure of
exits
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.2 - Exit discharge capacity

Current through Register 1525, July 5, 2024
The capacity of the
exit discharge
shall be
				  not less than the required discharge capacity of the
exits
being served.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.3 - Exit discharge location

Current through Register 1525, July 5, 2024
Exterior balconies,
stairways
and
ramps
shall be located at least 10 feet (3048 mm) from
				  adjacent
lot lines
and from other buildings on the same lot
				  unless the adjacent building
exterior walls
and openings are
				  protected in accordance with Section 705 based on
fire separation
				  distance
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.4 - Exit discharge components

Current through Register 1525, July 5, 2024
Exit discharge
components shall be
				  sufficiently open to the exterior so as to minimize the accumulation of smoke
				  and toxic gases.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.5 - Egress courts

Current through Register 1525, July 5, 2024
Egress courts
serving as a portion of the
exit discharge
in the
means of egress
system
				  shall comply with the requirements of Section 1027.
1027.5.1
Width.
The width of
egress courts
shall be determined as specified in Section
				1005.1, but such width shall not be less than 44 inches (1118 mm), except as
				specified herein.
Egress courts
serving Group R-3 and U
				occupancies shall not be less than 36 inches (914 mm) in width. The required
				width of
egress courts
shall be unobstructed to a height of 7
				feet (2134 mm).
Exception:
Doors complying with Section 1005.2.
Where an
egress court
exceeds the minimum
				  required width and the width of such
egress court
is then
				  reduced along the path of
exit
travel, the reduction in width
				  shall be gradual. The transition in width shall be affected by a guardnot less
				  than 36 inches (914 mm) in height and shall not create an angle of more than 30
				  degrees (0.52 rad) with respect to the axis of the
egress
				  court
along the path of egress travel. In no case shall the width of
				  the
egress court
be less than the required minimum.
1027.5.2
Construction and
				openings.
Where an
egress court
serving a building or
				portion thereof is less than 10 feet (3048 mm) in width, the
egress
				court
walls shall have not less than 1-hour
fire-resistance
-
rated
construction for a
				distance of 10 feet (3048 mm) above the floor of the
court
.
				Openings within such walls shall be protected by opening protectives having a
fire protection rating
of not less than
				3/4 hour.
Exceptions:
1.
Egress courts
serving an
occupant load
of less than 10.
2.
Egress courts
serving
				Group R-3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1027 - EXIT DISCHARGE › Subsection 1027.6 - Access to a public way

Current through Register 1525, July 5, 2024
The
exit discharge
shall provide a direct
				  and unobstructed access to a
public way
.
Exception:
Where access to a
public
				  way
cannot be provided, a safe dispersal area shall be provided where
				  all of the following are met:
1. The
				area shall be of a size to accommodate at least 5 square feet (0.46
				m2) for each person.
2. The area shall be located on the same lot
				at least 50 feet (15 240 mm) away from the building requiring egress.
3. The area shall be permanently maintained
				and identified as a safe dispersal area.
4. The area shall be provided with a safe and
				unobstructed path of travel from the building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1028 - ASSEMBLY › Subsection 1028.1 - General

Current through Register 1525, July 5, 2024
Occupancies in Group A and assembly occupancies accessory to
				  Group E which contain seats, tables, displays, equipment or other material
				  shall comply with this section.
1028.1.1
Bleachers.
Bleachers
,
grandstands
and
folding
				and telescopic seating
, that are not building elements, shall comply
				with ICC 300.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1028 - ASSEMBLY › Subsection 1028.2 - Assembly main exit

Current through Register 1525, July 5, 2024
Group A occupancies and assembly occupancies accessory to
				  Group E occupancies that have an
occupant load
of greater than
				  300 shall be provided with a main
exit
. The main
exit
shall be of sufficient width to accommodate not less than
				  one-half of the
occupant load
, but such width shall not be
				  less than the total required width of all
means of egress
leading to the
exit
. Where the building is classified as a
				  Group A occupancy, the main
exit
shall front on at least one
				  street or an unoccupied space of not less than 10 feet (3048 mm) in width that
				  adjoins a street or
public way
.
Exception:
In assembly occupancies where there
				  is no well-defined main
exit
or where multiple main
exits
are provided,
exits
shall be permitted
				  to be distributed around the perimeter of the building provided that the total
				  width of egress is not less than 100 percent of the required
				  width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1028 - ASSEMBLY › Subsection 1028.3 - Assembly other exits

Current through Register 1525, July 5, 2024
In addition to having access to a main
exit
, each level in Group A occupancies or assembly
				  occupancies accessory to Group E occupancies having an
occupant
				  load
greater than 300, shall be provided with additional
means
				  of egress
that shall provide an egress capacity for at least one-half
				  of the total
occupant load
served by that level and comply
				  with Section 1015.2.
Exception:
In assembly occupancies where there
				  is no well-defined main
exit
or where multiple main
exits
are provided,
exits
shall be permitted
				  to be distributed around the perimeter of the building, provided that the total
				  width of egress is not less than 100 percent of the required
				  width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1028 - ASSEMBLY › Subsection 1028.4 - Foyers and lobbies

Current through Register 1525, July 5, 2024
In Group A-1 occupancies, where persons are admitted to the
				  building at times when seats are not available, such persons shall be allowed
				  to wait in a lobby or similar space, provided such lobby or similar space shall
				  not encroach upon the required clear width of the
means of
				  egress
. Such foyer, if not directly connected to a public street by
				  all the main entrances or
exits
, shall have a straight and
				  unobstructed
corridor
or path of travel to every such main
				  entrance or
exit
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1028 - ASSEMBLY › Subsection 1028.5 - Interior balcony and gallery means of egress

Current through Register 1525, July 5, 2024
For balconies, galleries or press boxes having a seating
				  capacity of 50 or more located in Group A occupancies, at least two
means of egress
shall be provided, with one from each side of
				  every balcony, gallery or press box and at least one leading directly to an
exit
.
1028.5.1
Enclosure of openings.
Interior
stairways
and other vertical openings shall be enclosed in an
exit enclosure
as provided in Section 1022.1, except that
stairways
are permitted to be open between the balcony,
				gallery or press box and the main assembly floor in occupancies such as
				theaters,
places of religious worship
, auditoriums and sports
				facilities. At least one
accessible
means of
				egress
is required from a balcony, gallery or press box level
				containing accessible seating locations in accordance with Section 1007.3 or
				1007.4.