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 715.4 - Fire door and shutter assemblies

Current through Register 1525, July 5, 2024
Approved
fire door
and fire shutter
				  assemblies shall be constructed of any material or assembly of component
				  materials that conforms to the test requirements of Section 715.4.1, 715.4.2 or
				  715.4.3 and the
fire protection rating
indicated in Table
				  715.4.
Fire door
frames with transom lights, sidelights or
				  both shall be permitted in accordance with Section 715.4.5.
Fire
				  door
assemblies and shutters shall be installed in accordance with the
				  provisions of this section and NFPA 80.
Exceptions:
1. Labeled protective assemblies that conform
				to the requirements of this section or UL 10A, UL 14B and UL 14C for tin-clad
fire door
assemblies.
2. Floor
fire door
assemblies in accordance with Section 712.8.
TABLE 715.4 FIRE DOOR AND FIRE SHUTTER FIRE PROTECTION
				  RATINGS
TYPE OF ASSEMBLY
REQUIRED ASSEMBLY RATING (hours)
MINIMUM FIRE DOOR AND FIRE SHUTTER ASSEMBLY
							 RATING (hours)
Fire walls and fire barriers having a
							 required fire-resistance rating greater than 1 hour
4
3
3
3a
2
11/2
11/2
11/2
Fire barriers having a required fire-resistance rating
							 of 1 hour:
Shaft, exit enclosure and exit passageway walls
1
1
Other fire barriers
1
3/4
Fire partitions:
Corridor walls
1
1/3
							 b
0.5
1/3
							 b
Other fire partitions
1
3/4
0.5
1/3
Exterior walls
3
11/2
2
11/2
1
3/4
Smoke barriers
1
1/3
														b
a. Two doors, each with a fire protection rating of
								11/2 hours, installed on
								opposite sides of the same opening in a fire wall, shall be deemed equivalent
								in fire protection rating to one 3-hour fire door.
b. For testing requirements, see Section
								715.4.3.
715.4.1
Side-hinged or pivoted swinging doors.
Fire door
assemblies with side-hinged and pivoted swinging doors shall be tested in
				accordance with NFPA 252 or UL 10C. After 5 minutes into the NFPA 252 test, the
				neutral pressure level in the furnace shall be established at 40 inches (1016
				mm) or less above the sill.
715.4.2
Other types of assemblies.
Fire door
assemblies
				with other types of doors, including swinging elevator doors and fire shutter
				assemblies, shall be tested in accordance with NFPA 252 or UL 10B. The pressure
				in the furnace shall be maintained as nearly equal to the atmospheric pressure
				as possible. Once established, the pressure shall be maintained during the
				entire test period.
715.4.3
Door assemblies in corridors and smoke barriers.
Fire
				door
assemblies required to have a minimum
fire protection
				rating
of 20 minutes where located in
corridor
walls
				or
smoke barrier
walls having a
fire-resistance
				rating
in accordance with Table 715.4 shall be tested in accordance
				with NFPA 252 or UL 10C without the hose stream test.
Exceptions:
1. Viewports that require a hole not larger
				than 1 inch (25 mm) in diameter through the door, have at least a
				0.25-inch-thick (6.4 mm) glass disc and the holder is of metal that will not
				melt out where subject to temperatures of 1,700°F (927°C).
2.
Corridor
door assemblies
				in occupancies of Group I-2 shall be in accordance with Section
				407.3.1.
3. Unprotected openings
				shall be permitted for
corridors
in multitheater complexes
				where each motion picture auditorium has at least one-half of its required
exit
or
exit
access doorways
opening directly to the exterior or into an
exit
passageway.
4. Horizontal sliding
				doors in
smoke barriers
that comply with Sections 408.3 and
				408.8.4 in occupancies in Group I-3.
715.4.3.1
Smoke and draft control.
Fire door
assemblies
				shall also 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 [0.01524
				m3/(s · m2)] of
				door opening at 0.10 inch (24.9 Pa) of water for both the ambient temperature
				and elevated temperature tests. Louvers shall be prohibited. Installation of
				smoke doors shall be in accordance with NFPA 105.
715.4.3.2
Glazing in door
				assemblies.
In a 20-minute
fire door
assembly, the
				glazing material in the door itself shall have a minimum fire-protection-rated
				glazing of 20 minutes and shall be exempt from the hose stream test. Glazing
				material in any other part of the door assembly, including transom lights and
				sidelights, shall be tested in accordance with NFPA 257 or UL 9, including the
				hose stream test, in accordance with Section 715.5.
715.4.4
Doors in exit
				enclosures and exit passageways.
Fire door
assemblies
				in
exit
enclosures and
exit
passageways shall
				have a maximum transmitted temperature end point of not more than 450°F
				(250°C) above ambient at the end of 30 minutes of standard fire test
				exposure.
Exception:
The maximum transmitted temperature
				  rise is not required in buildings equipped throughout with an
automatic
				  sprinkler system
installed in accordance with Section 903.3.1.1 or
				  903.3.1.2.
715.4.4.1
Glazing in
				doors.
Fire-protection-rated glazing in excess of 100 square inches
				(0.065 m2) shall be permitted in
fire
				door
assemblies when tested as components of the door assemblies and
				not as glass lights, and shall have a maximum transmitted temperature rise of
				450°F (250°C) in accordance with Section 715.4.4.
Exception:
The maximum transmitted temperature
				  rise is not required in buildings equipped throughout with an
automatic
				  sprinkler system
installed in accordance with Section 903.3.1.1 or
				  903.3.1.2.
715.4.5
Fire door frames with transom
				lights and sidelights.
Door frames with transom lights, sidelights, or
				both, shall be permitted where a
				3/4-hour
fire
				protection rating
or less is required in accordance with Table 715.4.
				Where a
fire protection rating
exceeding
				3/4-hour is required in
				accordance with Table 715.4,
fire door
frames with transom
				lights, sidelights, or both, shall be permitted where installed with
				fire-resistance-rated glazing tested as an assembly in accordance with ASTM E
				119 or UL 263.
715.4.6
Labeled protective assemblies.
Fire door
assemblies
				shall be labeled by an
approved agency
. The
labels
shall comply with NFPA 80, and shall be permanently
				affixed to the door or frame.
715.4.6.1
Fire door labeling requirements.
Fire doors
shall be
				labeled showing the name of the manufacturer or other identification readily
				traceable back to the manufacturer, the name or trademark of the third-party
				inspection agency, the
fire protection rating
and, where
				required for
fire doors
in
exit
enclosures
				and
exit
passageways by Section 715.4.4, the maximum
				transmitted temperature end point. Smoke and draft control doors complying with
				UL 1784 shall be labeled as such and shall also comply with Section 715.4.6.3.
				Labels shall be
approved
and permanently affixed. The
label
shall be applied at the factory or location where
				fabrication and assembly are performed.
715.4.6.2
Oversized doors.
Oversized
fire doors
shall bear an oversized
fire
				door
label
by an
approved agency
or
				shall be provided with a certificate of inspection furnished by an
approved
testing agency. When a certificate of inspection is
				furnished by an
approved
testing agency, the certificate shall
				state that the door conforms to the requirements of design, materials and
				construction, but has not been subjected to the fire test.
715.4.6.3
Smoke and draft control door
				labeling requirements.
Smoke and draft control doors complying with UL
				1784 shall be labeled in accordance with Section 715.4.6.1 and shall show the
				letter "S" on the fire rating
label
of the door. This marking
				shall indicate that the door and frame assembly are in compliance when
listed
or labeled gasketing is also installed.
715.4.6.4
Fire door frame labeling
				requirements.
Fire door
frames shall be labeled showing
				the names of the manufacturer and the third-party inspection agency.
715.4.7
Glazing
				material.
Fire-protection-rated glazing conforming to the opening
				protection requirements in Section 715.4 shall be permitted in
fire
				door
assemblies.
715.4.7.1
Size limitations.
Fire-protection-rated glazing used in
fire
				doors
shall comply with the size limitations of NFPA 80.
Exceptions:
1. Fire-protection-rated glazing located in
fire walls
shall be prohibited except where serving in a
fire door
in a horizontal
exit
, a
				self-closing swinging door shall be permitted to have a vision panel of not
				more than 100 square inches (0.065 m2) without a
				dimension exceeding 10 inches (254 mm).
2. Fire-protection-rated glazing shall not be
				installed in
fire doors
having a
				11/2-hour
fire
				protection rating
intended for installation in
fire
				barriers
, unless the glazing is not more than 100 square inches (0.065
				m2) in area.
715.4.7.2
Exit and elevator
				protectives.
Approved
fire-protection-rated glazing
				used in
fire door
assemblies in elevator and
exit
enclosures shall be so located as to furnish clear vision
				of the passageway or approach to the elevator, ramp or
stairway
.
715.4.7.3
Labeling.
Fire-protection-rated glazing shall bear a
label
or other
				identification showing the name of the manufacturer, the test standard and
				information required in Section 715.5.9.1 that shall be issued by an
approved agency
and shall be permanently affixed to the
				glazing.
715.4.7.3.1
Identification.
For fire protection-rated glazing, the
label
shall bear the following four-part identification: "D -
				H or NH - T or NT - XXX." "D" indicates that the glazing shall be used in
fire door
assemblies and that the glazing meets the fire
				protection requirements of NFPA 252. "H" shall indicate that the glazing meets
				the hose stream requirements of NFPA 252. "NH" shall indicate that the glazing
				does not meet the hose stream requirements of the test. "T" shall indicate that
				the glazing meets the temperature requirements of Section 715.4.4.1. "NT" shall
				indicate that the glazing does not meet the temperature requirements of Section
				715.4.4.1. The placeholder "XXX" shall specify the fire-protection-rating
				period, in minutes.
715.4.7.4
Safety glazing.
Fire-protection-rated glazing installed in
fire doors
in areas
				subject to human impact in hazardous locations shall comply with Chapter
				24.
715.4.8
Door
				closing.
Fire doors
shall be self- or automatic-closing
				in accordance with this section.
Exceptions:
1.
Fire doors
located in
				common walls separating
sleeping units
in Group R-1 shall be
				permitted without automatic- or self-closing devices.
2. The elevator car doors and the associated
				hoistway enclosure doors at the floor level designated for recall in accordance
				with Section 3003.2 shall be permitted to remain open during Phase I emergency
				recall operation.
715.4.8.1
Latch
				required.
Unless otherwise specifically permitted, single
fire
				doors
and both leaves of pairs of side-hinged swinging
fire
				doors
shall be provided with an active latch bolt that will secure the
				door when it is closed.
715.4.8.2
Automatic-closing fire door assemblies.
Automatic-closing
fire door
assemblies shall be self-closing in accordance with
				NFPA 80.
715.4.8.3
Smoke-activated doors.
Automatic-closing doors installed in the
				following locations shall be automatic-closing by the actuation of smoke
				detectors installed in accordance with Section 907.3 or by loss of power to the
				smoke detector or hold-open device. Doors that are automatic-closing by smoke
				detection shall not have more than a 10-second delay before the door starts to
				close after the smoke detector is actuated:
1.
				Doors installed across a
corridor
.
2. Doors that protect openings in
exits
or
corridors
required to be of
				fire-resistance-rated construction.
3. Doors that protect openings in walls that
				are capable of resisting the passage of smoke in accordance with Section
				508.2.5.2.
4. Doors installed in
smoke barriers
in accordance with Section 710.5.
5. Doors installed in
fire
				partitions
in accordance with Section 709.6.
6. Doors installed in a
fire
				wall
in accordance with Section 706.8.
7. Doors installed in shaft enclosures in
				accordance with Section 708.7.
8.
				Doors installed in refuse and laundry chutes and access and termination rooms
				in accordance with Section 708.13.
9. Doors installed in the walls for
				compartmentation of underground buildings in accordance with Section
				405.4.2.
10. Doors installed in the
				elevator lobby walls of underground buildings in accordance with Section
				405.4.3.
11. Doors installed in
				smoke partitions in accordance with Section 711.5.3.
715.4.8.4
Doors in pedestrian
				ways.
Vertical sliding or vertical rolling steel
fire
				doors
in openings through which pedestrians travel shall be heat
				activated or activated by smoke detectors with alarm
				verification.
715.4.9
Swinging fire shutters.
Where fire shutters of the swinging type are installed in exterior openings,
				not less than one row in every three vertical rows shall be arranged to be
				readily opened from the outside, and shall be identified by distinguishing
				marks or letters not less than 6 inches (152 mm) high.
715.4.10
Rolling fire shutters.
Where fire shutters of the rolling type are installed, such shutters shall
				include
approved
automatic-closing devices.