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 710 - SMOKE BARRIERS › Subsection 710.8 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations in a
smoke 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 711 - SMOKE PARTITIONS › Subsection 711.3 - Fire-resistance rating

Current through Register 1525, July 5, 2024
Unless required elsewhere in the code, smoke partitions are
				  not required to have a
fire-resistance
				  rating
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 711 - SMOKE PARTITIONS › Subsection 711.4 - Continuity

Current through Register 1525, July 5, 2024
Smoke partitions shall extend from the top of the foundation
				  or floor below to the underside of the floor or roof sheathing, deck or slab
				  above or to the underside of the ceiling above where the ceiling membrane is
				  constructed to limit the transfer of smoke.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 711 - SMOKE PARTITIONS › Subsection 711.5 - Openings

Current through Register 1525, July 5, 2024
Windows shall be sealed to resist the free passage of smoke
				  or be automatic-closing upon detection of smoke. Doors in smoke partitions
				  shall comply with this section.
711.5.1
Louvers.
Doors in smoke
				partitions shall not include louvers.
711.5.2
Smoke and draft control
				doors.
Where required elsewhere in the code, doors in smoke partitions
				shall meet the requirements for a smoke and draft control door assembly tested
				in accordance with UL 1784. The air leakage rate of the door assembly shall not
				exceed 3.0 cubic feet per minute per square foot [0.015424
				m3/(s . m2)] of door
				opening at 0.10 inch (24.9 Pa) of water for both the ambient temperature test
				and the elevated temperature exposure test. Installation of smoke doors shall
				be in accordance with NFPA 105.
711.5.3
Self- or automatic-closing
				doors.
Where required elsewhere in the code, doors in smoke partitions
				shall be self- or automatic-closing by smoke detection in accordance with
				Section 715.4.8.3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 711 - SMOKE PARTITIONS › Subsection 711.6 - Penetrations and joints

Current through Register 1525, July 5, 2024
The space around penetrating items and in joints shall be
				  filled with an
approved
material to limit the free passage of
				  smoke.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 711 - SMOKE PARTITIONS › Subsection 711.7 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
The space around a duct penetrating a smoke partition shall
				  be filled with an
approved
material to limit the free passage
				  of smoke. Air transfer openings in smoke partitions shall be provided with a
smoke damper
complying with Section 716.3.2.2.
Exception:
Where the installation of a
smoke damper
will interfere with the operation of a required
				  smoke control system in accordance with Section 909,
approved
alternative protection shall be utilized.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.1 - General

Current through Register 1525, July 5, 2024
Floor and roof assemblies required to have a
fire-resistance rating
shall comply with this section.
				  Nonfire-resistance-rated floor and roof assemblies shall comply with Section
				  713.4.2.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.3 - Fire-resistance rating

Current through Register 1525, July 5, 2024
The
fire-resistance rating
of floor and
				  roof assemblies shall not be less than that required by the building type of
				  construction. Where the floor assembly separates mixed occupancies, the
				  assembly shall have a
fire-resistance rating
of not less than
				  that required by Section 508.4 based on the occupancies being separated. Where
				  the floor assembly separates a single occupancy into different
fire
				  areas
, the assembly shall have a
fire-resistance
				  rating
of not less than that required by Section 707.3.9.
Horizontal assemblies
separating
dwelling
units
in the same building and
horizontal
				  assemblies
separating
sleeping units
in the same
				  building shall be a minimum of 1-hour fire-resistance-rated
				  construction.
Exception:
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.
712.3.1
Ceiling panels.
Where
				the weight of lay-in ceiling panels, used as part of fire-resistance-rated
				floor/ceiling or roof/ceiling assemblies, is not adequate to resist an upward
				force of 1 pound per square foot (48 Pa), wire or other
approved
devices shall be installed above the panels to
				prevent vertical displacement under such upward force.
712.3.2
Access doors.
Access
				doors shall be permitted in ceilings of fire-resistance-rated floor/ceiling and
				roof/ceiling assemblies provided such doors are tested in accordance with ASTM
				E 119 or UL 263 as horizontal assemblies and labeled by an
approved
agency
for such purpose.
712.3.3
Unusable space.
In
				1-hour fire-resistance-rated floor assemblies, the ceiling membrane is not
				required to be installed over unusable crawl spaces. In 1-hour
				fire-resistance-rated roof assemblies, the floor membrane is not required to be
				installed where unusable
attic
space occurs above.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.4 - Continuity

Current through Register 1525, July 5, 2024
Assemblies shall be continuous without openings,
				  penetrations or joints except as permitted by this section and Sections 708.2,
				  713.4, 714 and 1022.1. Skylights and other penetrations through a
				  fire-resistance-rated roof deck or slab are permitted to be unprotected,
				  provided that the structural integrity of the fire-resistance-rated roof
				  assembly is maintained. Unprotected skylights shall not be permitted in roof
				  assemblies required to be fire-resistance rated in accordance with Section
				  705.8.6. The supporting construction shall be protected to afford the required
fire-resistance rating
of the
horizontal
				  assembly
supported.
Exception:
In buildings of Type IIB, IIIB or VB
				  construction, the construction supporting the
horizontal
				  assembly
is not required to be fire-resistance-rated at the
				  following:
1. Horizontal assemblies at
				the separations of incidental uses as specified by Table 508.2.5, provided the
				required
fire-resistance rating
does not exceed 1
				hour.
2. Horizontal assemblies at
				the separations of
dwelling
units
and
sleeping units
as required by Section 420.3.
3. Horizontal assemblies at
smoke
				barriers
constructed in accordance with Section 710.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.6 - Joints

Current through Register 1525, July 5, 2024
Joints made in or between
horizontal
				  assemblies
shall comply with Section 714. The void created at the
				  intersection of a floor/ceiling assembly and an exterior curtain wall assembly
				  shall be protected in accordance with Section 714.4.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.7 - Ducts and air transfer openings

Current through Register 1525, July 5, 2024
Penetrations in
horizontal assemblies
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 712 - HORIZONTAL ASSEMBLIES › Subsection 712.8 - Floor fire door assemblies

Current through Register 1525, July 5, 2024
Floor
fire door
assemblies used to protect
				  openings in fire-resistance-rated floors shall be tested in accordance with
				  NFPA 288, and shall achieve a
fire-resistance rating
not less
				  than the assembly being penetrated. Floor
fire door
assemblies
				  shall be labeled by an
approved agency
. The
label
shall be permanently affixed and shall specify the
				  manufacturer, the test standard and the
fire-resistance
				  rating
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 712 - HORIZONTAL ASSEMBLIES › Subsection 712.9 - Smoke barrier

Current through Register 1525, July 5, 2024
Where
horizontal assemblies
are required to
				  resist the movement of smoke by other sections of this code in accordance with
				  the definition of
smoke barrier
, penetrations and joints in
				  such
horizontal assemblies
shall be protected as required for
smoke barriers
in accordance with Sections 713.5 and 714.6.
				  Regardless of the number of
stories
connected by elevator
				  shaft enclosures, doors located in elevator shaft enclosures that penetrate the
horizontal assembly
shall be protected by enclosed elevator
				  lobbies complying with Section 708.14.1. Openings through
horizontal
				  assemblies
shall be protected by shaft enclosures complying with
				  Section 708.
Horizontal assemblies
shall not be allowed to
				  have unprotected vertical openings.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 713 - PENETRATIONS › Subsection 713.1 - Scope

Current through Register 1525, July 5, 2024
The provisions of this section shall govern the materials
				  and methods of construction used to protect
through
				  penetrations
and
membrane penetrations
of
horizontal assemblies
and fire-resistance-rated wall
				  assemblies.
713.1.1
Ducts and
				air transfer openings.
Penetrations of fire-resistance-rated walls by
				ducts that are not protected with
dampers
shall comply with
				Sections 713.2 through 713.3.3. Penetrations of
horizontal
				assemblies
not protected with a shaft as permitted by Exception 4 of
				Section 708.2, and not required to be protected with fire
dampers
by other sections of this code, shall comply with
				Sections 713.4 through 713.4.2.2. Ducts and air transfer openings that are
				protected with
dampers
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 713 - PENETRATIONS › Subsection 713.2 - Installation details

Current through Register 1525, July 5, 2024
Where sleeves are used, they shall be securely fastened to
				  the assembly penetrated. The space between the item contained in the sleeve and
				  the sleeve itself and any space between the sleeve and the assembly penetrated
				  shall be protected in accordance with this section. Insulation and coverings on
				  or in the penetrating item shall not penetrate the assembly unless the specific
				  material used has been tested as part of the assembly in accordance with this
				  section.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 713 - PENETRATIONS › Subsection 713.3 - Fire-resistance-rated walls

Current through Register 1525, July 5, 2024
Penetrations into or through
fire walls
,
fire barriers
,
smoke barrier
walls and
fire partitions
shall comply with Sections 713.3.1 through
				  713.3.3. Penetrations in
smoke barrier
walls shall also comply
				  with Section 713.5.
713.3.1
Through penetrations.
Through penetrations of fire-resistance-rated
				walls shall comply with Section 713.3.1.1 or 713.3.1.2.
Exception:
Where the penetrating items are
				  steel, ferrous or copper pipes, tubes or conduits, the
annular
				  space
between the penetrating item and the fire-resistance-rated wall
				  is permitted to be protected as follows:
1. In concrete or masonry walls where the
				penetrating item is a maximum 6-inch (152 mm) nominal diameter and the area of
				the opening through the wall does not exceed 144 square inches (0.0929
				m2), concrete, grout or mortar is permitted where it
				is installed the full thickness of the wall or the thickness required to
				maintain the
fire-resistance rating
; or
2. The material used to fill the
annular space
shall prevent the passage of flame and hot gases
				sufficient to ignite cotton waste when subjected to ASTM E 119 or UL 263
				time-temperature fire conditions under a minimum positive pressure differential
				of 0.01 inch (2.49 Pa) of water at the location of the penetration for the time
				period equivalent to the
fire-resistance rating
of the
				construction penetrated.
713.3.1.1
Fire-resistance-rated assemblies.
Penetrations shall be installed as
				tested in an
approved
fire-resistance-rated
				assembly.
713.3.1.2
Through-penetration firestop system.
Through
				penetrations
shall be protected by an
approved
penetration firestop system installed as tested in accordance with ASTM E 814
				or UL 1479, with a minimum positive pressure differential of 0.01 inch (2.49
				Pa) of water and shall have an F rating of not less than the required
fire-resistance rating
of the wall
				penetrated.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 713 - PENETRATIONS › Subsection 713.5 - Penetrations in smoke barriers

Current through Register 1525, July 5, 2024
Penetrations in
smoke barriers
shall be
				  tested in accordance with the requirements of UL 1479 for air leakage. The air
				  leakage rate of the penetration assemblies measured at 0.30 inch (7.47 Pa) of
				  water in both the ambient temperature and elevated temperature tests, shall not
				  exceed:
1. 5.0 cfm per square foot
				(0.025m3 / s . m2) of
				penetration opening for each
through-penetration firestop
				system
; or
2. A total
				cumulative leakage of 50 cfm (0.024m3/s) for any 100
				square feet (9.3 m2) of wall area, or floor
				area.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.1 - General

Current through Register 1525, July 5, 2024
Joints installed in or between fire-resistance-rated walls,
				  floor or floor/ceiling assemblies and roofs or roof/ceiling assemblies shall be
				  protected by an
approved
fire-resistant joint
				  system
designed to resist the passage of fire for a time period not
				  less than the required
fire-resistance rating
of the wall,
				  floor or roof in or between which it is installed.
Fire-resistant joint
				  systems
shall be tested in accordance with Section 714.3. The void
				  created at the intersection of a floor/ceiling assembly and an exterior curtain
				  wall assembly shall be protected in accordance with Section 714.4.
Exception:
Fire-resistant joint
				  systems
shall not be required for joints in all of the following
				  locations:
1. Floors within a single
dwelling
unit
.
2. Floors where the joint is protected by a
				shaft enclosure in accordance with Section 708.
3. Floors within atriums where the space
				adjacent to the atrium is included in the volume of the atrium for smoke
				control purposes.
4. Floors within
				malls.
5. Floors and ramps within
				open and enclosed parking garages or structures constructed in accordance with
				Sections 406.3 and 406.4, respectively.
6.
Mezzanine
floors.
7. Walls that are permitted
				to have unprotected openings.
8.
				Roofs where openings are permitted.
9. Control joints not exceeding a maximum
				width of 0.625 inch (15.9 mm) and tested in accordance with ASTM E 119 or UL
				263.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.2 - Installation

Current through Register 1525, July 5, 2024
Fire-resistant joint systems
shall be
				  securely installed in or on the joint for its entire length so as not to
				  dislodge, loosen or otherwise impair its ability to accommodate expected
				  building movements and to resist the passage of fire and hot
				  gases.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.3 - Fire test criteria

Current through Register 1525, July 5, 2024
Fire-resistant joint systems
shall be tested
				  in accordance with the requirements of either ASTM E 1966 or UL 2079.
				  Nonsymmetrical wall joint systems shall be tested with both faces exposed to
				  the furnace, and the assigned
fire-resistance rating
shall be
				  the shortest duration obtained from the two tests. When evidence is furnished
				  to show that the wall was tested with the least fire-resistant side exposed to
				  the furnace, subject to acceptance of the
building official
,
				  the wall need not be subjected to tests from the opposite side.
Exception:
For
exterior walls
with a horizontal
fire separation distance
greater than 5 feet
				  (1524 mm), the joint system shall be required to be tested for interior fire
				  exposure only.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.4 - Exterior curtain wall/floor intersection

Current through Register 1525, July 5, 2024
Where fire resistance-rated floor or floor/ceiling
				  assemblies are required, voids created at the intersection of the exterior
				  curtain wall assemblies and such floor assemblies shall be sealed with an
approved
system to prevent the interior spread of fire. Such
				  systems shall be securely installed and tested in accordance with ASTM E 2307
				  to prevent the passage of flame for the time period at least equal to the
fire-resistance rating
of the floor assembly and prevent the
				  passage of heat and hot gases sufficient to ignite cotton waste. Height and
				  fire-resistance requirements for curtain wall spandrels shall comply with
				  Section 705.8.5.
714.4.1
Exterior curtain wall/nonfire-resistance-rated floor assembly
				intersections.
Voids created at the intersection of exterior curtain
				wall assemblies and nonfire-resistance-rated floor or floor/ceiling assemblies
				shall be sealed with an
approved
material or system to retard
				the interior spread of fire and hot gases between
stories
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.5 - Spandrel wall

Current through Register 1525, July 5, 2024
Height and fire-resistance requirements for curtain wall
				  spandrels shall comply with Section 705.8.5. Where Section 705.8.5 does not
				  require a fire-resistance-rated spandrel wall, the requirements of Section
				  714.4 shall still apply to the intersection between the spandrel wall and the
				  floor.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 714 - FIRE-RESISTANT JOINT SYSTEMS › Subsection 714.6 - Fire-resistant joint systems in smoke barriers

Current through Register 1525, July 5, 2024
Fire-resistant joint systems in smoke barriers, and joints
				  at the intersection of a horizontal
smoke barrier
and an
				  exterior curtain wall, shall be tested in accordance with the requirements of
				  UL 2079 for air leakage. The air leakage rate of the joint shall not exceed 5
				  cfm per linear foot (0.00775 m3/s . m) of joint at
				  0.30 inch (7.47 Pa) of water for both the ambient temperature and elevated
				  temperature tests.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 715 - OPENING PROTECTIVES › Subsection 715.2 - Fire-resistance-rated glazing

Current through Register 1525, July 5, 2024
Fire-resistance-rated glazing tested as part of a
				  fire-resistance-rated wall assembly in accordance with ASTM E 119 or UL 263 and
				  labeled in accordance with Section 703.5 shall be permitted in
fire
				  doors
and
fire window assemblies
in accordance with
				  their listings and shall not otherwise be required to 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 715 - OPENING PROTECTIVES › Subsection 715.3 - Alternative methods for determining fire protection ratings

Current through Register 1525, July 5, 2024
The application of any of the alternative methods
listed
in this section shall be based on the fire exposure and
				  acceptance criteria specified in NFPA 252, NFPA 257 or UL 9. The required
fire resistance
of an opening protective shall be permitted to
				  be established by any of the following methods or procedures:
1. Designs documented in
approved
sources.
2. Calculations performed in an
approved
manner.
3. Engineering analysis based on a comparison
				of opening protective designs having
fire protection ratings
as determined by the test procedures set forth in NFPA 252, NFPA 257 or UL
				9.
4. Alternative protection
				methods as allowed by Section 104.11.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.1 - General

Current through Register 1525, July 5, 2024
The provisions of this section shall govern the protection
				  of duct penetrations and air transfer openings in assemblies required to be
				  protected.
716.1.1
Ducts that
				penetrate fire-resistance-rated assemblies without dampers.
Ducts that
				penetrate fire-resistance-rated assemblies and are not required by this section
				to have
dampers
shall comply with the requirements of Sections
				713.2 through 713.3.3. Ducts that penetrate
horizontal assemblies
not required to be contained within a shaft and not required by this
				section to have
dampers
shall comply with the requirements of
				Sections 713.4 through 713.4.2.2.
716.1.1.1
Ducts that penetrate nonfire-resistance-rated assemblies.
The
				space around a duct penetrating a nonfire-resistance-rated floor assembly shall
				comply with Section 716.6.3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.2 - Installation

Current through Register 1525, July 5, 2024
Fire dampers, smoke dampers, combination fire/smoke
				  dampers
and
ceiling radiation dampers
located within
				  air distribution and smoke control systems shall be installed in accordance
				  with the requirements of this section, the manufacturer's installation
				  instructions and the
dampers'
listing.
716.2.1
Smoke control system.
Where the installation of a fire
damper
will interfere
				with the operation of a required smoke control system in accordance with
				Section 909,
approved
alternative protection shall be
				utilized. Where mechanical systems including ducts and
dampers
utilized for normal building ventilation serve as part of the smoke
				control system, the expected performance of these systems in smoke control mode
				shall be addressed in the rational analysis required by Section
				909.4.
716.2.2
Hazardous
				exhaust ducts.
Fire dampers
for hazardous exhaust duct
				systems shall comply with the
International Mechanical
				Code.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.3 - Damper testing, ratings and actuation

Current through Register 1525, July 5, 2024
Damper
testing, ratings and actuation shall
				  be in accordance with Sections 716.3.1 through 716.3.3.
716.3.1
Damper testing.
Dampers
shall be
listed
and bear the
label
of an
approved
testing agency
				indicating compliance with the standards in this section.
Fire dampers
shall comply with the requirements of UL 555. Only
fire
dampers
labeled for use in dynamic
				systems shall be installed in heating, ventilation and air-conditioning systems
				designed to operate with fans on during a fire.
Smoke dampers
shall comply with the requirements of UL 555S.
Combination
				fire/smoke dampers
shall comply with the requirements of both UL 555
				and UL 555S.
Ceiling radiation dampers
shall comply with the
				requirements of UL 555C or shall be tested as part of a fire-resistance-rated
				floor/ceiling or roof/ceiling assembly in accordance with ATSTM E119 or UL
				263.
716.3.2
Damper rating.
Damper
ratings shall be in accordance with Sections
				716.3.2.1 through 716.3.2.3.
716.3.2.1
Fire damper ratings.
Fire dampers
shall have the
				minimum
fire protection rating
specified in Table 716.3.2.1
				for the type of penetration.
TABLE 716.3.2.1
FIRE DAMPER
				  RATING
TYPE OF
PENETRATION
MINIMUM DAMPER RATING
(hours)
Less than 3-hour fire-resistance-rated
							 assemblies
1.5
3-hour or greater fire-resistance-rated
							 assemblies
3
716.3.2.2
Smoke damper ratings.
Smoke damper
leakage ratings shall not be less than
				Class II. Elevated temperature ratings shall not be less than 250°F
				(121°C).
716.3.2.3
Combination fire/smoke damper ratings.
Combination fire/smoke
				dampers
shall have the minimum
fire protection rating
specified for
fire dampers
in Table 716.3.2.1 for the
				type of penetration and shall also have a minimum Class II leakage rating and a
				minimum elevated temperature rating of 250°F (121°C).
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.4 - Access and identification

Current through Register 1525, July 5, 2024
Fire and smoke
dampers
shall be provided
				  with an
approved
means of access, which is large enough to
permit
inspection and maintenance of the
damper
and its operating parts. The access shall not affect
				  the integrity of fire-resistance-rated assemblies. The access openings shall
				  not reduce the
fire-resistance rating
of the assembly. Access
				  points shall be permanently identified on the exterior by a
label
having letters not less than
				  1/2 inch (12.7 mm) in height
				  reading: FIRE/SMOKE DAMPER, SMOKE DAMPER or FIRE DAMPER. Access doors in ducts
				  shall be tight fitting and suitable for the required duct
				  construction.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.5 - Where required

Current through Register 1525, July 5, 2024
Fire dampers, smoke dampers
and
combination fire/smoke dampers
shall be provided at the
				  locations prescribed in Sections 716.5.1 through 716.5.7 and 716.6. Where an
				  assembly is required to have both
fire
dampers
and
smoke
dampers
,
combination fire/smoke
dampers
or a
fire damper
and a
smoke damper
shall be
				  required.
716.5.1
Fire
				walls.
Ducts and air transfer openings permitted in
fire
				walls
in accordance with Section 706.11 shall be protected with
listed fire dampers
installed in accordance with their
				listing.
716.5.1.1
Horizontal exits.
A
listed
smoke
damper
designed to resist the passage of smoke shall be provided at each point a duct
				or air transfer opening penetrates a
fire wall
that serves as
				a horizontal
exit
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.6 - Horizontal assemblies

Current through Register 1525, July 5, 2024
Penetrations by ducts and air transfer openings of a floor,
				  floor/ceiling assembly or the ceiling membrane of a roof/ceiling assembly shall
				  be protected by a shaft enclosure that complies with Section 708 or shall
				  comply with Sections 716.6.1 through 716.6.3.
716.6.1
Through penetrations.
In
				occupancies other than Groups I-2 and I-3, a duct constructed of
approved
materials in accordance with the
International Mechanical Code
that penetrates a
				fire-resistance-rated floor/ceiling assembly that connects not more than two
stories
is permitted without shaft enclosure protection,
				provided a
listed fire damper
is installed at the floor line
				or the duct is protected in accordance with Section 713.4. For air transfer
				openings, see Exception 7 to Section 708.2.
Exception:
A duct is permitted to penetrate
				  three floors or less without a
fire damper
at each floor,
				  provided such duct meets all of the following requirements:
1. The duct shall be contained and located
				within the cavity of a wall and shall be constructed of steel having a minimum
				wall thickness of 0.0187 inch (0.4712 mm) (No. 26 gage).
2. The duct shall open into only one
dwelling or sleeping unit
and the duct system shall be
				continuous from the unit to the exterior of the building.
3. The duct shall not exceed 4-inch (102 mm)
				nominal diameter and the total area of such ducts shall not exceed 100 square
				inches (0.065 m2) in any 100 square feet (9.3
				m2) of floor area.
4. The annular space around the duct is
				protected with materials that prevent the passage of flame and hot gases
				sufficient to ignite cotton waste where subjected to ASTM E 119 or UL 263
				time-temperature conditions under a minimum positive pressure differential of
				0.01 inch (2.49 Pa) of water at the location of the penetration for the time
				period equivalent to the
fire-resistance rating
of the
				construction penetrated.
5. Grille
				openings located in a ceiling of a fire-resistance-rated floor/ceiling or
				roof/ceiling assembly shall be protected with a
listed ceiling
				radiation damper
installed in accordance with Section
				716.6.2.1.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 716 - DUCTS AND AIR TRANSFER OPENINGS › Subsection 716.7 - Flexible ducts and air connectors

Current through Register 1525, July 5, 2024
Flexible ducts and air connectors shall not pass through any
				  fire-resistance-rated assembly. Flexible air connectors shall not pass through
				  any wall, floor or ceiling.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 717 - CONCEALED SPACES › Subsection 717.1 - General

Current through Register 1525, July 5, 2024
Fireblocking and draftstopping shall be installed in
				  combustible concealed locations in accordance with this section. Fireblocking
				  shall comply with Section 717.2. Draftstopping in floor/ceiling spaces and
attic
spaces shall comply with Sections 717.3 and 717.4,
				  respectively. The permitted use of combustible materials in concealed spaces of
				  buildings of Type I or II construction shall be limited to the applications
				  indicated in Section 717.5.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 717 - CONCEALED SPACES › Subsection 717.2 - Fireblocking

Current through Register 1525, July 5, 2024
In combustible construction, fireblocking shall be installed
				  to cut off concealed draft openings (both vertical and horizontal) and shall
				  form an effective barrier between floors, between a top
story
and a roof or
attic
space. Fireblocking shall be installed in
				  the locations specified in Sections 717.2.2 through 717.2.7.
717.2.1
Fireblocking materials.
Fireblocking shall consist of the following materials:
1. Two-inch (51 mm) nominal lumber.
2. Two thicknesses of 1-inch (25 mm) nominal
				lumber with broken lap joints.
3.
				One thickness of 0.719-inch (18.3 mm) wood structural panels with joints backed
				by 0.719-inch (18.3 mm) wood structural panels.
4. One thickness of 0.75-inch (19.1 mm)
				particleboard with joints backed by 0.75-inch (19 mm) particleboard.
5. One-half-inch (12.7 mm) gypsum
				board.
6. One-fourth-inch (6.4 mm)
				cement-based millboard.
7. Batts or
				blankets of mineral wool, mineral fiber or other approved materials installed
				in such a manner as to be securely retained in place.
717.2.1.1
Batts or blankets of mineral
				wool or mineral fiber.
Batts or blankets of mineral wool or mineral
				fiber or other
approved
nonrigid materials shall be permitted
				for compliance with the 10-foot (3048 mm) horizontal fireblocking in walls
				constructed using parallel rows of studs or staggered studs.
717.2.1.2
Unfaced fiberglass.
Unfaced fiberglass batt insulation used as fireblocking shall fill the entire
				cross section of the wall cavity to a minimum height of 16 inches (406 mm)
				measured vertically. When piping, conduit or similar obstructions are
				encountered, the insulation shall be packed tightly around the
				obstruction.
717.2.1.3
Loose-fill insulation material.
Loose-fill insulation material,
				insulating foam sealants and caulk materials shall not be used as a fireblock
				unless specifically tested in the form and manner intended for use to
				demonstrate its ability to remain in place and to retard the spread of fire and
				hot gases.
717.2.1.4
Fireblocking integrity.
The integrity of fireblocks shall be
				maintained.
717.2.1.5
Double
				stud walls.
Batts or blankets of mineral or glass fiber or other
				approved nonrigid materials shall be allowed as fireblocking in walls
				constructed using parallel rows of studs or staggered studs.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 717 - CONCEALED SPACES › Subsection 717.3 - Draftstopping in floors

Current through Register 1525, July 5, 2024
In combustible construction, draftstopping shall be
				  installed to subdivide floor/ceiling assemblies in the locations prescribed in
				  Sections 717.3.2 through 717.3.3.
717.3.1
Draftstopping materials.
Draftstopping materials shall not be less than ½-inch (12.7 mm) gypsum
				board, 3/8-inch (9.5 mm) wood
				structural panel, 3/8-inch
				(9.5 mm) particleboard, 1-inch (25-mm) nominal lumber, cement fiberboard, batts
				or blankets of mineral wool or glass fiber, or other
approved
materials adequately supported. The integrity of draftstops shall be
				maintained.
717.3.2
Groups
				R-1, R-2, R-3 and R-4.
Draftstopping shall be provided in floor/ceiling
				spaces in Group R-1 buildings, in Group R-2 buildings with three or more
dwelling units
, in Group R-3 buildings with two
dwelling units
and in Group R-4 buildings. Draftstopping shall
				be located above and in line with the
dwelling unit
and
sleeping unit
separations.
Exceptions:
1. Draftstopping is not required in buildings
				equipped throughout with an
automatic sprinkler system
in
				accordance with Section 903.3.1.1.
2. Draftstopping is not required in buildings
				equipped throughout with an
automatic sprinkler system
in
				accordance with Section 903.3.1.2, provided that automatic sprinklers are also
				installed in the combustible concealed spaces.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 717 - CONCEALED SPACES › Subsection 717.4 - Draftstopping in attics

Current through Register 1525, July 5, 2024
In combustible construction, draftstopping shall be
				  installed to subdivide
attic
spaces and concealed roof spaces
				  in the locations prescribed in Sections 717.4.2 and 717.4.3. Ventilation of
				  concealed roof spaces shall be maintained in accordance with Section
				  1203.2.
717.4.1
Draftstopping
				materials.
Materials utilized for draftstopping of attic spaces shall
				comply with Section 717.3.1.
717.4.1.1
Openings.
Openings in the partitions shall be protected by self-closing
				doors with automatic latches constructed as required for the
				partitions.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 717 - CONCEALED SPACES › Subsection 717.5 - Combustible materials in concealed spaces in Type I or II construction

Current through Register 1525, July 5, 2024
Combustible materials shall not be permitted in concealed
				  spaces of buildings of Type I or II construction.
Exceptions:
1. Combustible materials in accordance with
				Section 603.
2. Combustible
				materials exposed within plenums complying with Section 602 of the
International Mechanical Code
.
3. Class A
interior finish
materials classified in accordance with Section 803.
4. Combustible piping within partitions or
				shaft enclosures installed in accordance with the provisions of this
				code.
5. Combustible piping within
				concealed ceiling spaces installed in accordance with the
International
				Mechanical Code
and the
International Plumbing
				Code
.
6. Combustible
				insulation and covering on pipe and tubing, installed in concealed spaces other
				than plenums, complying with Section 719.7.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER › Subsection 718.1 - Thickness of plaster

Current through Register 1525, July 5, 2024
The minimum thickness of gypsum plaster or portland cement
				  plaster used in a fire-resistance-rated system shall be determined by the
				  prescribed fire tests. The plaster thickness shall be measured from the face of
				  the lath where applied to gypsum lath or metal lath.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER › Subsection 718.2 - Plaster equivalents

Current through Register 1525, July 5, 2024
For fire-resistance purposes,
				  1/2 inch (12.7 mm) of
				  unsanded gypsum plaster shall be deemed equivalent to
				  3/4 inch (19.1 mm) of
				  one-to-three gypsum sand plaster or 1 inch (25 mm) of portland cement sand
				  plaster.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER › Subsection 718.3 - Noncombustible furring

Current through Register 1525, July 5, 2024
In buildings of Type I and II construction, plaster shall be
				  applied directly on concrete or masonry or on
approved
noncombustible plastering base and furring.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER › Subsection 718.4 - Double reinforcement

Current through Register 1525, July 5, 2024
Plaster protection more than 1 inch (25 mm) in thickness
				  shall be reinforced with an additional layer of
approved
lath
				  embedded at least 3/4 inch
				  (19.1 mm) from the outer surface and fixed securely in place.
Exception:
Solid plaster partitions or where
				  otherwise determined by fire tests.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER › Subsection 718.5 - Plaster alternatives for concrete

Current through Register 1525, July 5, 2024
In reinforced concrete construction, gypsum plaster or
				  portland cement plaster is permitted to be substituted for
				  1/2 inch (12.7 mm) of the
				  required poured concrete protection, except that a minimum thickness of
				  3/8 inch (9.5 mm) of poured
				  concrete shall be provided in reinforced concrete floors and 1 inch (25 mm) in
				  reinforced concrete columns in addition to the plaster finish. The concrete
				  base shall be prepared in accordance with Section 2510.7.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.1 - General

Current through Register 1525, July 5, 2024
Insulating materials, including facings such as vapor
				  retarders and
vapor-permeable membranes
, similar coverings and
				  all layers of single and multilayer reflective foil insulations, shall comply
				  with the requirements of this section. Where a flame spread index or a
				  smoke-developed index is specified in this section, such index shall be
				  determined in accordance with ASTM E 84 or UL 723. Any material that is subject
				  to an increase in flame spread index or smoke-developed index beyond the limits
				  herein established through the effects of age, moisture or other atmospheric
				  conditions shall not be permitted.
Exceptions:
1. Fiberboard insulation shall comply with
				Chapter 23.
2. Foam plastic
				insulation shall comply with Chapter 26.
3. Duct and pipe insulation and duct and pipe
				coverings and linings in plenums shall comply with the
International
				Mechanical Code
.
4. All
				layers of single and multilayer reflective plastic core insulation shall comply
				with Section 2613.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.2 - Concealed installation

Current through Register 1525, July 5, 2024
Insulating materials, where concealed as installed in
				  buildings of any type of construction, shall have a flame spread index of not
				  more than 25 and a smoke-developed index of not more than 450.
Exception:
Cellulose loose-fill insulation that
				  is not spray applied, complying with the requirements of Section 719.6, shall
				  only be required to meet the smoke-developed index of not more than 450.
719.2.1
Facings.
Where such
				materials are installed in concealed spaces in buildings of Type III, IV or V
				construction, the flame spread and smoke-developed limitations do not apply to
				facings, coverings, and layers of reflective foil insulation that are installed
				behind and in substantial contact with the unexposed surface of the ceiling,
				wall or floor finish.
Exception:
All layers of single and multilayer
				  reflective plastic core insulation shall comply with Section
				  2613.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.3 - Exposed installation

Current through Register 1525, July 5, 2024
Insulating materials, where exposed as installed in
				  buildings of any type of construction, shall have a flame spread index of not
				  more than 25 and a smoke-developed index of not more than 450.
Exception:
Cellulose loose-fill insulation that
				  is not spray applied complying with the requirements of Section 719.6 shall
				  only be required to meet the smoke-developed index of not more than 450.
719.3.1
Attic floors.
Exposed
				insulation materials installed on
attic
floors shall have a
				critical radiant flux of not less than 0.12 watt per square centimeter when
				tested in accordance with ASTM E 970.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.4 - Loose-fill insulation

Current through Register 1525, July 5, 2024
Loose-fill insulation materials that cannot be mounted in
				  the ASTM E 84 or UL 723 apparatus without a screen or artificial supports shall
				  comply with the flame spread and smoke-developed limits of Sections 719.2 and
				  719.3 when tested in accordance with CAN/ULC S 102.2.
Exception:
Cellulose loose-fill insulation shall
				  not be required to be tested in accordance with CAN/ULC S 102.2, provided such
				  insulation complies with the requirements of Section 719.2 or 719.3, as
				  applicable, and Section 719.6.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.5 - Roof insulation

Current through Register 1525, July 5, 2024
The use of combustible roof insulation not complying with
				  Sections 719.2 and 719.3 shall be permitted in any type of construction
				  provided it is covered with
approved
roof coverings directly
				  applied thereto.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.6 - Cellulose loose-fill insulation

Current through Register 1525, July 5, 2024
Cellulose loose-fill insulation shall comply with CPSC 16
				  CFR, Part 1209 and CPSC 16 CFR, Part 1404. Each package of such insulating
				  material shall be clearly labeled in accordance with CPSC 16 CFR, Part 1209 and
				  CPSC 16 CFR, Part 1404.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 719 - THERMAL- AND SOUND-INSULATING MATERIALS › Subsection 719.7 - Insulation and covering on pipe and tubing

Current through Register 1525, July 5, 2024
Insulation and covering on pipe and tubing shall have a
				  flame spread index of not more than 25 and a smoke-developed index of not more
				  than 450.
Exception:
Insulation and covering on pipe and
				  tubing installed in plenums shall comply with the
International
				  Mechanical Code.