reglab/statecodes huggingface dataset:
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.13 - Sprayed fire-resistant materials (SFRM)

Current through Register 1525, July 5, 2024
Sprayed fire-resistant materials (SFRM) shall comply with
				  Sections 704.13.1 through 704.13.5.
704.13.1
Fire-resistance rating.
The application of SFRM shall be consistent with the
fire-resistance
				rating
and the listing, including, but not limited to, minimum
				thickness and dry density of the applied SFRM, method of application, substrate
				surface conditions and the use of bonding adhesives, sealants, reinforcing or
				other materials.
704.13.2
Manufacturer's installation instructions.
The application of SFRM
				shall be in accordance with the manufacturer's installation instructions. The
				instructions shall include, but are not limited to, substrate temperatures and
				surface conditions and SFRM handling, storage, mixing, conveyance, method of
				application, curing and ventilation.
704.13.3
Substrate condition.
The SFRM shall be applied to a substrate in compliance with Sections
				704.13.3.1 through 704.13.3.2.
704.13.3.1
Surface conditions.
Substrates to receive SFRM shall be free of
				dirt, oil, grease, release agents, loose scale and any other condition that
				prevents adhesion. The substrates shall also be free of primers, paints and
				encapsulants other than those fire tested and
listed
by a
				nationally recognized testing agency. Primed, painted or encapsulated steel
				shall be allowed, provided that testing has demonstrated that required adhesion
				is maintained.
704.13.3.2
Primers, paints and encapsulants.
Where the SFRM is to be applied over
				primers, paints or encapsulants other than those specified in the listing, the
				material shall be field tested in accordance with ASTM E 736. Where testing of
				the SFRM with primers, paints or encapsulants demonstrates that required
				adhesion is maintained, SFRM shall be permitted to be applied to primed,
				painted or encapsulated wide flange steel shapes in accordance with the
				following conditions:
1. The beam flange width
				does not exceed 12 inches (305 mm); or
2. The column flange width does not exceed 16
				inches (400 mm); or
3. The beam or
				column web depth does not exceed 16 inches (400 mm).
4. The average and minimum bond strength
				values shall be determined based on a minimum of five bond tests conducted in
				accordance with ASTM E 736. Bond tests conducted in accordance with ASTM E 736
				shall indicate a minimum average bond strength of 80 percent and a minimum
				individual bond strength of 50 percent, when compared to the bond strength of
				the SFRM as applied to clean uncoated
				1/8-inch-thick (3 mm) steel
				plate.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.2 - Projections

Current through Register 1525, July 5, 2024
Cornices, eave overhangs, exterior balconies and similar
				  projections extending beyond the
exterior wall
shall conform
				  to the requirements of this section and Section 1406. Exterior egress balconies
				  and
exterior
exit
stairways
shall also comply with Sections 1019 and 1026, respectively. Projections shall
				  not extend beyond the distance determined by the following three methods,
				  whichever results in the lesser projection:
1. A point one-third the distance from the
				exterior face of the wall to the
lot line
where protected
				openings or a combination of protected and unprotected openings are required in
				the
exterior wall
.
2. A point one-half the distance from the
				exterior face of the wall to the
lot line
where all openings
				in the
exterior wall
are permitted to be unprotected or the
				building is equipped throughout with an
automatic sprinkler
				system
installed under the provisions of Section 705.8.2.
3. More than 12 inches (305 mm) into areas
				where openings are prohibited.
Buildings on the same lot and considered as portions of one
				  building in accordance with Section 705.3 are not required to comply with this
				  section.
705.2.1
Type I and II
				construction.
Projections from walls of Type I or II construction shall
				be of noncombustible materials or combustible materials as allowed by Sections
				1406.3 and 1406.4.
705.2.2
Type III, IV or V construction.
Projections from walls of Type III, IV
				or V construction shall be of any
approved
material.
705.2.3
Combustible projections.
Combustible projections located where openings are not permitted or where
				protection of openings is required shall be of at least 1-hour
				fire-resistance-rated construction, Type IV construction,
fire-retardant-treated wood
or as required by Section 1406.3.
Exception:
Type V construction shall be allowed
				  for R-3 occupancies.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.3 - Buildings on the same lot

Current through Register 1525, July 5, 2024
For the purposes of determining the required wall and
				  opening protection and roof-covering requirements, buildings on the same lot
				  shall be assumed to have an imaginary line between them.
Where a new building is to be erected on the same lot as an
				  existing building, the location of the assumed imaginary line with relation to
				  the existing building shall be such that the
exterior wall
and
				  opening protection of the existing building meet the criteria as set forth in
				  Sections 705.5 and 705.8.
Exception:
Two or more buildings on the same
				  lot shall either be regulated as separate buildings or shall be considered as
				  portions of one building if the aggregate area of such buildings is within the
				  limits specified in Chapter 5 for a single building. Where the buildings
				  contain different occupancy groups or are of different types of construction,
				  the area shall be that allowed for the most restrictive occupancy or
				  construction.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.5 - Fire-resistance ratings

Current through Register 1525, July 5, 2024
Exterior walls
shall be fire-resistance
				  rated in accordance with Tables 601 and 602 and this section. The required
fire-resistance rating
of
exterior walls
with
				  a
fire separation distance
of greater than 10 feet (3048 mm)
				  shall be rated for exposure to fire from the inside. The required
fire-resistance rating
of
exterior walls
with
				  a
fire separation distance
of less than or equal to 10 feet
				  (3048 mm) shall be rated for exposure to fire from both
				  sides.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.6 - Structural stability

Current through Register 1525, July 5, 2024
The wall shall extend to the height required by Section
				  705.11 and shall have sufficient structural stability such that it will remain
				  in place for the duration of time indicated by the required
fire-resistance rating
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.7 - Unexposed surface temperature

Current through Register 1525, July 5, 2024
Where protected openings are not limited by Section 705.8,
				  the limitation on the rise of temperature on the unexposed surface of
exterior walls
as required by ASTM E 119 or UL 263 shall not
				  apply. Where protected openings are limited by Section 705.8, the limitation on
				  the rise of temperature on the unexposed surface of
exterior
				  walls
as required by ASTM E 119 or UL 263 shall not apply provided
				  that a correction is made for radiation from the unexposed
exterior
				  wall
surface in accordance with the following formula:
A
e
=
							 A
+ (
A
f
F
eo)
(Equation 7-1)
Ae
=
Equivalent area of protected openings.
A
=
Actual area of protected openings.
Af
=
Area of
exterior wall
surface in the
story
under consideration exclusive of openings, on which the
							 temperature limitations of ASTM E 119 or UL 263 for walls are exceeded.
Feo
=
An "equivalent opening factor" derived from Figure
							 705.7 based on the average temperature of the unexposed wall surface and the
fire-resistance rating
of the wall.
Click to view
							 image
For SI: °C = [(°F) - 32] / 1.8.
FIGURE 705.7 EQUIVALENT OPENING
				  FACTOR
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.9 - Joints

Current through Register 1525, July 5, 2024
Joints made in or between
exterior walls
required by this section to have a
fire-resistance rating
shall comply with Section 714.
Exception:
Joints in
exterior
				  walls
that are permitted to have unprotected
				  openings.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.10 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations by air ducts and air transfer openings in
				  fire-resistance-rated
exterior walls
required to have
				  protected openings shall comply with Section 716.
Exception:
Foundation vents installed in
				  accordance with this code are permitted.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 705 - EXTERIOR WALLS › Subsection 705.11 - Parapets

Current through Register 1525, July 5, 2024
Parapets shall be provided on
exterior
				  walls
of buildings.
Exceptions:
A parapet need not be provided on
				  an
exterior wall
where any of the following conditions
				  exist:
1. The wall is not required to
				be fire-resistance rated in accordance with Table 602 because of
fire
				separation distance
.
2.
				The building has an area of not more than 1,000 square feet (93
				m2) on any floor.
3. Walls that terminate at roofs of not less
				than 2-hour fire-resistance-rated construction or where the roof, including the
				deck or slab and supporting construction, is constructed entirely of
				noncombustible materials.
4.
				One-hour fire-resistance-rated
exterior walls
that terminate
				at the underside of the roof sheathing, deck or slab, provided:
4.1. Where the roof/ceiling framing elements
				are parallel to the walls, such framing and elements supporting such framing
				shall not be of less than 1-hour fire-resistance-rated construction for a width
				of 4 feet (1220 mm) for Groups R and U and 10 feet (3048 mm) for other
				occupancies, measured from the interior side of the wall.
4.2. Where roof/ceiling framing elements are
				not parallel to the wall, the entire span of such framing and elements
				supporting such framing shall not be of less than 1-hour fire-resistance-rated
				construction.
4.3. Openings in the
				roof shall not be located within 5 feet (1524 mm) of the 1-hour
				fire-resistance-rated
exterior wall
for Groups R and U and 10
				feet (3048 mm) for other occupancies, measured from the interior side of the
				wall.
4.4. The entire building
				shall be provided with not less than a Class B roof covering.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.1 - General

Current through Register 1525, July 5, 2024
Each portion of a building separated by one or more
fire walls
that comply with the provisions of this section
				  shall be considered a separate building. The extent and location of such
fire walls
shall provide a complete separation. Where a
fire wall
also separates occupancies that are required to be
				  separated by a
fire barrier
wall, the most restrictive
				  requirements of each separation shall apply.
706.1.1
Party walls.
Any wall
				located on a
lot line
between adjacent buildings, which is
				used or adapted for joint service between the two buildings, shall be
				constructed as a
fire wall
in accordance with Section 706.
				Party walls shall be constructed without openings and shall create separate
				buildings.
Exception:
Openings in a party wall separating
				  an
anchor building
and a mall shall be in accordance with
				  Section 402.7.3.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.2 - Structural stability

Current through Register 1525, July 5, 2024
Fire walls
shall have sufficient structural
				  stability under fire conditions to allow collapse of construction on either
				  side without collapse of the wall for the duration of time indicated by the
				  required
fire-resistance rating
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.3 - Materials

Current through Register 1525, July 5, 2024
Fire walls
shall be of any
approved
noncombustible materials.
Exception:
Buildings of Type V
				  construction.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.4 - Fire-resistance rating

Current through Register 1525, July 5, 2024
Fire walls
shall have a
fire-resistance rating
of not less than that required by Table
				  706.4.
TABLE 706.4 FIRE WALL FIRE-RESISTANCE
				  RATINGS
GROUP
FIRE-RESISTANCE RATING (hours)
A, B, E, H-4, I, R-1, R-2, U
3a
F-1, H-3b, H-5, M, S-1
3
H-1, H-2
4b
F-2, S-2, R-3, R-4
2
a. In Type II or V construction, walls shall be
							 permitted to have a 2-hour fire-resistance rating.
b. For Group H-1, H-2 or H-3 buildings, also see
							 Sections 415.4 and 415.5.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.5 - Horizontal continuity

Current through Register 1525, July 5, 2024
Fire walls
shall be continuous from
exterior wall
to
exterior wall
and shall
				  extend at least 18 inches (457 mm) beyond the exterior surface of
exterior walls
.
Exceptions:
1.
Fire walls
shall be
				permitted to terminate at the interior surface of combustible exterior
				sheathing or siding provided the
exterior wall
has a
fire-resistance rating
of at least 1 hour for a horizontal
				distance of at least 4 feet (1220 mm) on both sides of the
fire
				wall
. Openings within such
exterior walls
shall be
				protected by opening protectives having a
fire protection
				rating
of not less than
				3/4 hour.
2.
Fire walls
shall be
				permitted to terminate at the interior surface of noncombustible exterior
				sheathing, exterior siding or other noncombustible exterior finishes provided
				the sheathing, siding, or other exterior noncombustible finish extends a
				horizontal distance of at least 4 feet (1220 mm) on both sides of the
fire wall
.
3.
Fire walls
shall be permitted to terminate at the interior
				surface of noncombustible exterior sheathing where the building on each side of
				the
fire wall
is protected by an
automatic sprinkler
				system
installed in accordance with Section 903.3.1.1 or 903.3.1.2.
706.5.1
Exterior walls.
Where
				the
fire wall
intersects
exterior walls
, the
fire-resistance rating
and opening protection of the
exterior walls
shall comply with one of the following:
1. The
exterior walls
on
				both sides of the
fire wall
shall have a 1-hour
fire-resistance rating
with
				3/4-hour protection where
				opening protection is required by Section 705.8. The
fire-resistance
				rating
of the
exterior wall
shall extend a minimum of
				4 feet (1220 mm) on each side of the intersection of the
fire
				wall
to
exterior wall
.
Exterior wall
intersections at
fire walls
that form an angle equal to or
				greater than 180 degrees (3.14 rad) do not need
exterior wall
protection.
2. Buildings or spaces
				on both sides of the intersecting
fire wall
shall assume to
				have an imaginary
lot line
at the
fire wall
and extending beyond the exterior of the
fire wall
. The
				location of the assumed line in relation to the
exterior walls
and the
fire wall
shall be such that the
exterior
				wall
and opening protection meet the requirements set forth in
				Sections 705.5 and 705.8. Such protection is not required for
exterior
				walls
terminating at
fire walls
that form an angle
				equal to or greater than 180 degrees (3.14 rad).
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.6 - Vertical continuity

Current through Register 1525, July 5, 2024
Fire walls
shall extend from the foundation
				  to a termination point at least 30 inches (762 mm) above both adjacent
				  roofs.
Exceptions:
1. Stepped buildings in accordance with
				Section 706.6.1.
2. Two-hour
				fire-resistance-rated walls shall be permitted to terminate at the underside of
				the roof sheathing, deck or slab, provided:
2.1. The lower roof assembly within 4 feet
				(1220 mm) of the wall has not less than a 1-hour
fire-resistance
				rating
and the entire length and span of supporting elements for the
				rated roof assembly has a
fire-resistance rating
of not less
				than 1 hour.
2.2. Openings in the
				roof shall not be located within 4 feet (1220 mm) of the
fire
				wall
.
2.3. Each building
				shall be provided with not less than a Class B roof covering.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.7 - Combustible framing in fire walls

Current through Register 1525, July 5, 2024
Adjacent combustible members entering into a concrete or
				  masonry
fire wall
from opposite sides shall not have less than
				  a 4-inch (102 mm) distance between embedded ends. Where combustible members
				  frame into hollow walls or walls of hollow units, hollow spaces shall be
				  solidly filled for the full thickness of the wall and for a distance not less
				  than 4 inches (102 mm) above, below and between the structural members, with
				  noncombustible materials
approved
for fireblocking.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.8 - Openings

Current through Register 1525, July 5, 2024
Each opening through a
fire wall
shall be
				  protected in accordance with Section 715.4 and shall not exceed 156 square feet
				  (15 m2). The aggregate width of openings at any
				  floor level shall not exceed 25 percent of the length of the wall.
Exceptions:
1. Openings are not permitted in party walls
				constructed in accordance with Section 706.1.1.
2. Openings shall not be limited to 156
				square feet (15 m2) where both buildings are
				equipped throughout with an
automatic sprinkler system
installed in accordance with Section 903.3.1.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 706 - FIRE WALLS › Subsection 706.11 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Ducts and air transfer openings shall not penetrate
fire walls
.
Exception:
Penetrations by ducts and air
				  transfer openings of
fire walls
that are not on a
lot
				  line
shall be allowed provided the penetrations comply with Section
				  716. The size and aggregate width of all openings shall not exceed the
				  limitations of Section 706.8.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.1 - General

Current through Register 1525, July 5, 2024
Fire barriers
installed as required
				  elsewhere in this code or the
International Fire Code
shall
				  comply with this section.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.3 - Fire-resistance rating

Current through Register 1525, July 5, 2024
The
fire-resistance rating
of
fire
				  barriers
shall comply with this section.
707.3.1
Shaft enclosures.
The
fire-resistance rating
of the
fire barrier
separating building areas from a shaft shall comply with Section
				708.4.
707.3.2
Exit
				enclosures.
The
fire-resistance rating
of the
fire barrier
separating building areas from an
exit
shall comply with Section 1022.1.
707.3.3
Exit passageway.
The
fire-resistance rating
of the
fire barrier
separating building areas from an
exit
passageway shall comply
				with Section 1023.3.
707.3.4
Horizontal exit.
The
fire-resistance rating
of the
				separation between building areas connected by a horizontal
exit
shall comply with Section 1025.1.
707.3.5
Atriums.
The
fire-resistance rating
of the
fire barrier
separating atriums shall comply with Section 404.6.
707.3.6
Incidental accessory
				occupancies.
The
fire barrier
separating incidental
				accessory occupancies from other spaces in the building shall have a
fire-resistance rating
of not less than that indicated in
				Table 508.2.5.
707.3.7
Control areas.
Fire barriers
separating
control
				areas
shall have a
fire-resistance rating
of not less
				than that required in Section 414.2.4.
707.3.8
Separated occupancies.
Where the provisions of Section 508.4 are applicable, the
fire
				barrier
separating mixed occupancies shall have a
fire-resistance rating
of not less than that indicated in
				Table 508.4 based on the occupancies being separated.
707.3.9
Fire areas.
The
fire barriers
or
horizontal assemblies
, or
				both, separating a single occupancy into different
fire areas
shall have a
fire-resistance rating
of not less than that
				indicated in Table 707.3.9. The
fire barriers
or
horizontal assemblies
, or both, separating
fire
				areas
of mixed occupancies shall have a
fire-resistance
				rating
of not less than the highest value indicated in Table 707.3.9
				for the occupancies under consideration.
TABLE 707.3.9 FIRE-RESISTANCE RATING REQUIREMENTS FOR
				  FIRE BARRIER ASSEMBLIES OR HORIZONTAL ASSEMBLIES BETWEEN FIRE
				  AREAS
OCCUPANCY GROUP
FIRE-RESISTANCE RATING (hours)
H-1, H-2
4
F-1, H-3, S-1
3
A, B, E, F-2, H-4, H-5, I, M, R, S-2
2
U
1
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.4 - Exterior walls

Current through Register 1525, July 5, 2024
Where
exterior walls
serve as a part of a
				  required fire-resistance-rated shaft or
exit
enclosure, or
				  separation, such walls shall comply with the requirements of Section 705 for
exterior walls
and the fire-resistance-rated enclosure or
				  separation requirements shall not apply.
Exception:
Exterior walls
required to be fire-resistance rated in accordance with Section 1019 for
				  exterior egress balconies, Section 1022.6 for
exit
enclosures
				  and Section 1026.6 for exterior
exit
ramps and
stairways
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.5 - Continuity

Current through Register 1525, July 5, 2024
Fire barriers shall extend from the top of the foundation or
				  floor/ceiling assembly below to the underside of the floor or roof sheathing,
				  slab or deck above and shall be securely attached thereto. Such
fire
				  barriers
shall be continuous through concealed spaces, such as the
				  space above a suspended ceiling.
707.5.1
Supporting construction.
The supporting construction for a
fire barrier
shall be
				protected to afford the required
fire-resistance rating
of the
fire barrier
supported. Hollow vertical spaces within a
fire barrier
shall be fireblocked in accordance with Section
				717.2 at every floor level.
Exceptions:
1. The maximum required
fire-resistance rating
for assemblies supporting
fire
				barriers
separating tank storage as provided for in Section 415.6.2.1
				shall be 2 hours, but not less than required by Table 601 for the building
				construction type.
2. Shaft
				enclosures shall be permitted to terminate at a top enclosure complying with
				Section 708.12.
3. Supporting
				construction for 1-hour
fire barriers
required by Table
				508.2.5 in buildings of Type IIB, IIIB and VB construction is not required to
				be fire-resistance rated unless required by other sections of this
				code.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.6 - Openings

Current through Register 1525, July 5, 2024
Openings in a
fire barrier
shall be
				  protected in accordance with Section 715. Openings shall be limited to a
				  maximum aggregate width of 25 percent of the length of the wall, and the
				  maximum area of any single opening shall not exceed 156 square feet (15
				  m2). Openings in
exit
enclosures
				  and
exit
passageways shall also comply with Sections 1022.3
				  and 1023.5, respectively.
Exceptions:
1. Openings shall not be limited to 156
				square feet (15 m2) where adjoining floor areas are
				equipped throughout with an
automatic sprinkler system
in
				accordance with Section 903.3.1.1.
2. Openings shall not be limited to 156
				square feet (15 m2) or an aggregate width of 25
				percent of the length of the wall where the opening protective is a
fire door
serving an
exit
enclosure.
3. Openings shall not be
				limited to 156 square feet (15 m2) or an aggregate
				width of 25 percent of the length of the wall where the opening protective has
				been tested in accordance with ASTM E 119 or UL 263 and has a minimum
fire-resistance rating
not less than the
fire-resistance rating
of the wall.
4. Fire window assemblies permitted in atrium
				separation walls shall not be limited to a maximum aggregate width of 25
				percent of the length of the wall.
5. Openings shall not be limited to 156
				square feet (15 m2) or an aggregate width of 25
				percent of the length of the wall where the opening protective is a
fire door
assembly in a
fire barrier
separating an
exit
enclosure from an
exit
passageway in accordance with Section 1022.2.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.7 - Penetrations

Current through Register 1525, July 5, 2024
Penetrations of
fire barriers
shall comply
				  with Section 713.
707.7.1
Prohibited penetrations.
Penetrations into an
exit
enclosure or an
exit
passageway shall be allowed only when
				permitted by Section 1022.4 or 1023.6, respectively.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.8 - Joints

Current through Register 1525, July 5, 2024
Joints made in or between
fire barriers
,
				  and joints made at the intersection of
fire barriers
with
				  underside of the floor or roof sheathing, slab or deck above, shall comply with
				  Section 714.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 707 - FIRE BARRIERS › Subsection 707.9 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations in a
fire barrier
by ducts and
				  air transfer openings shall comply with Section 716.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.1 - General

Current through Register 1525, July 5, 2024
The provisions of this section shall apply to shafts
				  required to protect openings and penetrations through floor/ceiling and
				  roof/ceiling assemblies. Shaft enclosures shall be constructed as
fire
				  barriers
in accordance with Section 707 or
horizontal
				  assemblies
in accordance with Section 712, or both.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.2 - Shaft enclosure required

Current through Register 1525, July 5, 2024
Openings through a floor/ceiling assembly shall be protected
				  by a shaft enclosure complying with this section.
Exceptions:
1. A shaft enclosure is not required for
				openings totally within an individual residential
dwelling
unit
and connecting four
stories
or
				less.
2. A shaft enclosure is not
				required in a building equipped throughout with an
automatic sprinkler
				system
in accordance with Section 903.3.1.1 for an escalator opening
				or
stairway
that is not a portion of the
means of
				egress
protected according to Item 2.1 or 2.2.
2.1. Where the area of the floor opening
				between
stories
does not exceed twice the horizontal projected
				area of the escalator or
stairway
and the opening is protected
				by a draft curtain and closely spaced sprinklers in accordance with NFPA 13. In
				other than Groups B and M, this application is limited to openings that do not
				connect more than four
stories
.
2.2. Where the opening is protected by
approved
power-operated automatic shutters at every penetrated
				floor. The shutters shall be of noncombustible construction and have a
fire-resistance rating
of not less than 1.5 hours. The shutter
				shall be so constructed as to close immediately upon the actuation of a smoke
				detector installed in accordance with Section 907.3 and shall completely shut
				off the well opening. Escalators shall cease operation when the shutter begins
				to close. The shutter shall operate at a speed of not more than 30 feet per
				minute (152.4 mm/s) and shall be equipped with a sensitive leading edge to
				arrest its progress where in contact with any obstacle, and to continue its
				progress on release therefrom.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.4 - Fire-resistance rating

Current through Register 1525, July 5, 2024
Shaft 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 shaft enclosure shall include any basements but not any
mezzanines
. Shaft enclosures shall have a
fire-resistance rating
not less than the floor assembly
				  penetrated, but need not exceed 2 hours. Shaft enclosures shall meet the
				  requirements of Section 703.2.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.5 - Continuity

Current through Register 1525, July 5, 2024
Shaft enclosures shall be constructed as
fire
				  barriers
in accordance with Section 707 or
horizontal
				  assemblies
constructed in accordance with Section 712, or both, and
				  shall have continuity in accordance with Section 707.5 for
fire
				  barriers
or Section 712.4 for
horizontal assemblies
as applicable.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.6 - Exterior walls

Current through Register 1525, July 5, 2024
Where
exterior walls
serve as a part of a
				  required shaft enclosure, such walls shall comply with the requirements of
				  Section 705 for
exterior walls
and the fire-resistance-rated
				  enclosure requirements shall not apply.
Exception:
Exterior walls
required to be fire-resistance rated in accordance with Section 1019.2 for
				  exterior egress balconies, Section 1022.6 for
exit
enclosures
				  and Section 1026.6 for exterior
exit
ramps and
stairways
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.7 - Openings

Current through Register 1525, July 5, 2024
Openings in a shaft enclosure shall be protected in
				  accordance with Section 715 as required for
fire barriers
.
				  Doors shall be self- or automatic-closing by smoke detection in accordance with
				  Section 715.4.8.3.
708.7.1
Prohibited openings.
Openings other than those necessary for the purpose
				of the shaft shall not be permitted in shaft enclosures.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.8 - Penetrations

Current through Register 1525, July 5, 2024
Penetrations in a shaft enclosure shall be protected in
				  accordance with Section 713 as required for
fire
				  barriers
.
708.8.1
Prohibited penetrations.
Penetrations other than those necessary for the
				purpose of the shaft shall not be permitted in shaft enclosures.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.10 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations of a shaft enclosure by ducts and air transfer
				  openings shall comply with Section 716.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.11 - Enclosure at the bottom

Current through Register 1525, July 5, 2024
Shafts that do not extend to the bottom of the building or
				  structure shall comply with one of the following:
1. They shall be enclosed at the lowest level
				with construction of the same
fire-resistance rating
as the
				lowest floor through which the shaft passes, but not less than the rating
				required for the shaft enclosure.
2. They shall terminate in a room having a
				use related to the purpose of the shaft. The room shall be separated from the
				remainder of the building by
fire barriers
constructed in
				accordance with Section 707 or
horizontal assemblies
constructed in accordance with Section 712, or both. The
fire-resistance rating
and opening protectives shall be at
				least equal to the protection required for the shaft enclosure.
3. They shall be protected by
approved
fire
dampers
installed in accordance with their listing at the lowest floor level within the
				shaft enclosure.
Exceptions:
1. The fire-resistance-rated room separation
				is not required, provided there are no openings in or penetrations of the shaft
				enclosure to the interior of the building except at the bottom. The bottom of
				the shaft shall be closed off around the penetrating items with materials
				permitted by Section 717.3.1 for draftstopping, or the room shall be provided
				with an
approved
automatic fire suppression system.
2. A shaft enclosure containing a refuse
				chute or laundry chute shall not be used for any other purpose and shall
				terminate in a room protected in accordance with Section 708.13.4.
3. The fire-resistance-rated room separation
				and the protection at the bottom of the shaft are not required provided there
				are no combustibles in the shaft and there are no openings or other
				penetrations through the shaft enclosure to the interior of the
				building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.12 - Enclosure at the top

Current through Register 1525, July 5, 2024
A shaft enclosure that does not extend to the underside of
				  the roof sheathing, deck or slab of the building shall be enclosed at the top
				  with construction of the same
fire-resistance rating
as the
				  topmost floor penetrated by the shaft, but not less than the
fire-resistance rating
required for the shaft
				  enclosure.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 708 - SHAFT ENCLOSURES › Subsection 708.13 - Refuse and laundry chutes

Current through Register 1525, July 5, 2024
Refuse and laundry chutes, access and termination rooms and
				  incinerator rooms shall meet the requirements of Sections 708.13.1 through
				  708.13.6.
Exception:
Chutes serving and contained within
				  a single
dwelling
unit
.
708.13.1
Refuse and laundry chute
				enclosures.
A shaft enclosure containing a refuse or laundry chute shall
				not be used for any other purpose and shall be enclosed in accordance with
				Section 708.4. Openings into the shaft, including those from access rooms and
				termination rooms, shall be protected in accordance with this section and
				Section 715. Openings into chutes shall not be located in
corridors
. Doors shall be self- or automatic-closing upon the
				actuation of a smoke detector in accordance with Section 715.4.8.3, except that
				heat-activated closing devices shall be permitted between the shaft and the
				termination room.
708.13.2
Materials.
A shaft enclosure containing a refuse or laundry chute shall
				be constructed of materials as permitted by the building type of
				construction.
708.13.3
Refuse and laundry chute access rooms.
Access openings for refuse and
				laundry chutes shall be located in rooms or compartments enclosed by not less
				than 1-hour
fire barriers
constructed in accordance with
				Section 707 or
horizontal assemblies
constructed in accordance
				with Section 712, or both. Openings into the access rooms shall be protected by
				opening protectives having a
fire protection rating
of not
				less than 3/4 hour. Doors
				shall be self- or automatic-closing upon the detection of smoke in accordance
				with Section 715.4.8.3.
708.13.4
Termination room.
Refuse and laundry chutes shall discharge into
				an enclosed room separated from the remainder of the building by not less than
				1-hour
fire barriers
constructed in accordance with Section
				707 or
horizontal assemblies
constructed in accordance with
				Section 712, or both. Openings into the termination room shall be protected by
				opening protectives having a
fire protection rating
of not
				less than 3/4 hour. Doors
				shall be self- or automatic-closing upon the detection of smoke in accordance
				with Section 715.4.8.3. Refuse chutes shall not terminate in an incinerator
				room. Refuse and laundry rooms that are not provided with chutes need only
				comply with Table 508.2.5.
708.13.5
Incinerator room.
Incinerator rooms shall comply with Table
				508.2.5.
708.13.6
Automatic
				sprinkler system.
An
approved
automatic
				sprinkler system
shall be installed in accordance with Section
				903.2.11.2.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 709 - FIRE PARTITIONS › Subsection 709.1 - General

Current through Register 1525, July 5, 2024
The following wall assemblies shall comply with this
				  section.
1. Walls separating
dwelling
units
in the same building as
				required by Section 420.2.
2. Walls
				separating
sleeping units
in the same building as required by
				Section 420.2.
3. Walls separating
				tenant spaces in
covered mall buildings
as required by Section
				402.7.2.
4. Corridor walls as
				required by Section 1018.1.
5.
				Elevator lobby separation as required by Section 708.14.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 709 - FIRE PARTITIONS › Subsection 709.3 - Fire-resistance rating

Current through Register 1525, July 5, 2024
Fire partitions shall have a
fire-resistance
				  rating
of not less than 1 hour.
Exceptions:
1. Corridor walls permitted to have a
				1/2-hour
fire-resistance rating
by Table 1018.1.
2.
Dwelling unit
and
sleeping unit
separations in buildings of Type IIB, IIIB and
				VB construction shall have
fire-resistance ratings
of not less
				than 1/2-hour in buildings
				equipped throughout with an
automatic sprinkler system
in
				accordance with Section 903.3.1.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 709 - FIRE PARTITIONS › Subsection 709.4 - Continuity

Current through Register 1525, July 5, 2024
Fire partitions shall extend from the top of the foundation
				  or floor/ceiling assembly below to the underside of the floor or roof
				  sheathing, slab or deck above or to the fire-resistance-rated floor/ceiling or
				  roof/ceiling assembly above, and shall be securely attached thereto. If the
				  partitions are not continuous to the sheathing, deck or slab, and where
				  constructed of combustible construction, the space between the ceiling and the
				  sheathing, deck or slab above shall be fireblocked or draftstopped in
				  accordance with Sections 717.2 and 717.3 at the partition line. The supporting
				  construction shall be protected to afford the required
fire-resistance
				  rating
of the wall supported, except for walls separating tenant
				  spaces in
covered mall buildings
, walls separating
dwelling
units
, walls separating
sleeping units
and
corridor
walls, in
				  buildings of Type IIB, IIIB and VB construction.
Exceptions:
1. The wall need not be extended into the
				crawl space below where the floor above the crawl space has a minimum 1-hour
fire-resistance rating
.
2. Where the room-side fire-resistance-rated
				membrane of the
corridor
is carried through to the underside
				of the floor or roof sheathing, deck or slab of a fire-resistance-rated floor
				or roof above, the ceiling of the
corridor
shall be permitted
				to be protected by the use of ceiling materials as required for a 1-hour
				fire-resistance-rated floor or roof system.
3. Where the
corridor
ceiling is constructed as required for the
corridor
walls, the
				walls shall be permitted to terminate at the upper membrane of such ceiling
				assembly.
4. The fire partitions
				separating tenant spaces in a
covered mall building
, complying
				with Section 402.7.2, are not required to extend beyond the underside of a
				ceiling that is not part of a fire-resistance-rated assembly. A wall is not
				required in
attic
or ceiling spaces above tenant separation
				walls.
5. Fireblocking or
				draftstopping is not required at the partition line in Group R-2 buildings that
				do not exceed four
stories
above
grade plane
, provided the
attic
space is
				subdivided by draftstopping into areas not exceeding 3,000 square feet (279
				m2) or above every two
dwelling
units
, whichever is smaller.
6. Fireblocking or draftstopping is not
				required at the partition line in buildings equipped with an
automatic
				sprinkler system
installed throughout in accordance with Section
				903.3.1.1 or 903.3.1.2, provided that automatic sprinklers are installed in
				combustible floor/ceiling and roof/ceiling spaces.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 709 - FIRE PARTITIONS › Subsection 709.5 - Exterior walls

Current through Register 1525, July 5, 2024
Where
exterior walls
serve as a part of a
				  required fire-resistance-rated separation, such walls shall comply with the
				  requirements of Section 705 for
exterior walls
, and the
				  fire-resistance-rated separation requirements shall not apply.
Exception:
Exterior walls
required to be fire-resistance rated in accordance with Section 1019.2 for
				  exterior egress balconies, Section 1022.6 for
exit
enclosures
				  and Section 1026.6 for exterior
exit
ramps and
stairways
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 709 - FIRE PARTITIONS › Subsection 709.9 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations in a
fire partition
by ducts
				  and air transfer openings shall comply with Section 716.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 710 - SMOKE BARRIERS › Subsection 710.3 - Fire-resistance rating

Current through Register 1525, July 5, 2024
A 1-hour
fire-resistance rating
is required
				  for
smoke barriers
.
Exception:
Smoke barriers
constructed of minimum 0.10-inch-thick (2.5 mm) steel in Group I-3
				  buildings.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 710 - SMOKE BARRIERS › Subsection 710.4 - Continuity

Current through Register 1525, July 5, 2024
Smoke barriers
shall form an effective
				  membrane continuous from outside wall to outside wall and from the top of the
				  foundation or floor/ceiling assembly below to the underside of the floor or
				  roof sheathing, deck or slab above, including continuity through concealed
				  spaces, such as those found above suspended ceilings, and interstitial
				  structural and mechanical spaces. The supporting construction shall be
				  protected to afford the required
fire-resistance rating
of the
				  wall or floor supported in buildings of other than Type IIB, IIIB or VB
				  construction.
Exception:
Smoke-barrier walls are not required
				  in interstitial spaces where such spaces are designed and constructed with
				  ceilings that provide resistance to the passage of fire and smoke equivalent to
				  that provided by the smoke-barrier walls.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 710 - SMOKE BARRIERS › Subsection 710.5 - Openings

Current through Register 1525, July 5, 2024
Openings in a
smoke barrier
shall be
				  protected in accordance with Section 715.
Exceptions:
1. In Group I-2, where doors are installed
				across
corridors
, a pair of opposite-swinging doors without a
				center mullion shall be installed having vision panels with
				fire-protection-rated glazing materials in fire-protection-rated frames, the
				area of which shall not exceed that tested. The doors shall be close fitting
				within operational tolerances, and shall not have undercuts in excess of
				3/4-inch, louvers or grilles.
				The doors shall have head and jamb stops, astragals or rabbets at meeting edges
				and shall be automatic-closing by smoke detection in accordance with Section
				715.4.8.3. Where permitted by the door manufacturer's listing,
				positive-latching devices are not required.
2. In Group I-2, horizontal sliding doors
				installed in accordance with Section 1008.1.4.3 and protected in accordance
				with Section 715.