Current through Register Vol. 49, No. 13, September 23, 2024
Subpart 1. [Repealed, 39 SR 1605; 44 SR 609
effective 3/31/2020]
Subp.
1a.
IBC section 907.1.2.
IBC [F] section 907.1.2 is amended to read as follows:
907.1.2
Fire alarm shop drawings.
Shop drawings for fire alarm systems shall be submitted for review and
approval before system installation, and shall include all of the following
where applicable to the system being installed:
1. A floor plan that indicates the use of all
rooms.
2. Locations of
alarm-initiating devices.
3.
Locations of alarm notification appliances, including candela ratings for
visible alarm notification appliances.
4. Design minimum audibility level for
occupant notification.
5. Maximum
sound pressure.
6. Location of fire
alarm control unit, transponders, and notification power supplies.
7. Annunciators.
8. Power connection.
9. Battery calculations.
10. Conductor type and sizes.
11. Voltage drop calculations.
12. Manufacturers data sheets indicating
model numbers and listing information for equipment, devices, and
materials.
13. Details of ceiling
height and construction.
14. The
interface of fire safety control functions.
15. Classification of the supervising
station.
Subp.
1b.
IBC [F] section 907.2.
IBC [F] section 907.2 is amended to read as follows:
907.2
Where required in new buildings
and occupancies. An approved manual, automatic, or manual and automatic
fire alarm system shall be provided in new buildings and occupancies in
accordance with Sections 907.2.1 through 907.2.24.2 and NFPA 72. For the
purposes of Sections 907.2.1 through 907.2.24.2, fire barrier walls or fire
walls shall not define separate buildings. In buildings containing mixed
occupancies that are designed as separated uses in accordance with Section
508.4, fire alarm and detection systems need only be installed in those
occupancies where required by this section.
Exception: In areas protected by an approved,
supervised automatic sprinkler system installed in accordance with Section
903.3.1.1 or 903.3.1.2, automatic fire detectors required by Section 907.2 need
not be provided. Where Section 907.2 requires smoke detectors, such protection
shall be installed.
Subp.
2. [39 SR 1605 Repealed, 32 SR 7 44 SR 609 effective
3/31/2020]
Subp. 2a.
IBC [F] section
907.2.1.
IBC [F] section 907.2.1 is amended to read as follows:
907.2.1
Group A, general. A fire
alarm system shall be installed in accordance with Sections 907.2.1 through
907.2.1.3 in Group A occupancies having an occupant load of 300 or more.
Exceptions:
1. Assembly areas used solely for worship
purposes.
2. A fire alarm system is
not required in buildings with an occupant load of less than 1,000 when an
approved automatic fire-extinguishing system is installed throughout the
building.
3. Assembly uses within
Group E occupancies shall have alarms as required for the Group E
occupancy.
4. Group A-5
occupancies.
Subp.
3.
IBC [F] section 907.2.1.1.
IBC [F] section 907.2.1.1 is amended to read as follows:
907.2.1.1
Initiation. Initiation
of the fire alarm system shall be by automatic means. Approved automatic fire
detectors shall be installed in laundry rooms, boiler and furnace rooms,
mechanical and electrical rooms, shops, kitchens, trash collection rooms,
storage rooms, and similar areas.
Subp. 4.
IBC [F] section
907.2.1.2.
IBC [F] section 907.2.1.2 is amended to read as follows:
907.2.1.2
Notification. The
required fire alarm system shall activate an audible and visible notification
appliance at a constantly attended location within the building for the
purposes of initiating emergency action. A presignal feature and positive alarm
sequencing in accordance with NFPA 72 are permitted.
Occupant notification shall be by means of voice announcements,
either live or prerecorded, initiated by the person in the constantly attended
location.
Exception: Where no constantly attended location
exists, an automatic fire alarm system providing a general evacuation signal or
an approved emergency voice/alarm communications system is
permitted.
Subp.
5.
IBC [F] section 907.2.1.3.
IBC [F] section 907.2.1 is amended by adding a section to read
as follows:
907.2.1.3
System
initiation in Group A occupancies with an occupant load of 1,000 or
more. Activation of the fire alarm system in Group A occupancies with an
occupant load of 1,000 or more shall immediately initiate an approved
prerecorded message announcement using an approved emergency voice/alarm
communications system in accordance with NFPA 72.
Exception: Where approved, the prerecorded
announcement is allowed to be manually deactivated for a period of time, not to
exceed 3 minutes, for the sole purpose of allowing a live voice announcement
from an approved constantly attended location.
Subp. 6.
IBC [F] section
907.2.2.
IBC [F] section 907.2.2 is amended to read as follows:
907.2.2
Group B, general. A fire
alarm system shall be installed in accordance with Sections 907.2.2 through
907.2.2.3 in Group B occupancies where:
1.
The building has an occupant load of 500 or more persons;
2. The building has an occupant load of more
than 100 persons above or below the lowest level of exit discharge;
or
3. The building contains an
ambulatory care facility.
When automatic sprinkler systems or automatic fire detectors
are installed in ambulatory care facilities, such systems or detectors shall be
connected to the building fire alarm system.
Exception: In other than ambulatory care
facilities, a fire alarm system is not required when an approved automatic fire
extinguishing system is installed throughout the building.
Subp. 7.
IBC [F]
section 907.2.2.1.
IBC [F] section 907.2.2.1 is amended to read as follows:
907.2.2.1
Initiation. Initiation
of the fire alarm system shall be by automatic means. Approved automatic fire
detectors shall be provided in boiler and furnace rooms, shops, kitchens,
mechanical and electrical rooms, trash collection rooms, storage rooms and
similar areas. In ambulatory care facilities, initiation of the fire alarm
system shall also be by manual means.
Subp. 8.
IBC [F] section
907.2.2.2.
IBC [F] section 907.2.2 is amended by adding a section to read
as follows:
907.2.2.2
Notification. Activation of the fire alarm system shall initiate a
general evacuation signal.
Exception: In lieu of audible notification
appliances, visible notification appliances shall be permitted to be used in
patient care areas.
Subp.
9.
IBC [F] section 907.2.2.3.
IBC [F] section 907.2.2 is amended by adding a section to read
as follows:
907.2.2.3
Ambulatory
care facilities. Corridors and rooms or spaces open to corridors within
an ambulatory care facility shall be protected by an automatic smoke detection
system.
Subp. 10.
IBC [F] section 907.2.3.
IBC [F] section 907.2.3 is amended to read as follows:
907.2.3
Group E, general. A fire
alarm system shall be installed in accordance with Sections 907.2.3 through
907.2.3.3 in Group E occupancies having an occupant load of 50 or
more.
Subp. 11.
IBC [F] section 907.2.3.1.
IBC [F] section 907.2.3 is amended by adding a section to read
as follows:
907.2.3.1
Initiation. Initiation of the fire alarm system shall be by manual and
automatic means. Approved automatic fire detectors shall be provided in laundry
rooms, boiler and furnace rooms, mechanical and electrical rooms, shops,
laboratories, kitchens, locker rooms, custodial closets, trash collection
rooms, storage rooms, lounges, and similar areas.
Exception:
In buildings protected throughout by an approved automatic
sprinkler system or having an approved fire alarm system equipped with corridor
smoke detection, manual fire alarm boxes are only required in any main office
and in any custodial area.
Subp. 12.
IBC [F] section
907.2.3.2.
IBC [F] section 907.2.3 is amended by adding a section to read
as follows:
907.2.3.2
Travel
through adjoining rooms. Where the only means of egress travel from an
interior room or rooms having an aggregate occupant load of more than 10
occupants is through an adjoining or intervening room, automatic smoke
detectors shall be installed throughout the common atmosphere through which the
path of egress travel passes.
Exception: In buildings that are protected
throughout by an approved automatic sprinkler system installed in accordance
with Section 903.3.1.1, smoke detectors are not required in intervening or
adjoining rooms.
Subp.
13.
IBC [F] section 907.2.3.3.
IBC [F] section 907.2.3 is amended by adding a subsection to
read as follows:
907.2.3.3
Notification. Activation of the fire alarm system or automatic sprinkler
system shall initiate an emergency voice/alarm communication system meeting the
requirements of Section 907.5.2.2 and installed in accordance with Section
907.6.
Exception: An emergency voice/alarm communication
system is not required in Group E occupancies with occupant loads of 100 or
less, as long as the activation of the fire alarm system or automatic sprinkler
system in those occupancies initiates a general evacuation
signal.
Subp. 14.
IBC [F] section 907.2.4.
IBC [F] section 907.2.4 is amended to read as follows:
907.2.4
Group F, general. A fire
alarm system shall be installed in accordance with Sections 907.2.4 through
907.2.4.2 in Group F occupancies that are two or more stories in height and
have an occupant load of 500 or more above or below the lowest level of exit
discharge.
Exception: A fire alarm system is not required
when an approved automatic fire extinguishing system is installed throughout
the building.
Subp.
15.
IBC [F] section 907.2.4.1.
IBC [F] section 907.2.4 is amended by adding a section to read
as follows:
907.2.4.1
Initiation. Initiation of the fire alarm system shall be by manual
and automatic means. Approved automatic fire detectors shall be provided in
boiler and furnace rooms, trash collection rooms, kitchens, mechanical and
electrical rooms, and similar areas.
Subp. 16.
IBC [F] section
907.2.4.2.
IBC [F] section 907.2.4 is amended by adding a section to read
as follows:
907.2.4.2
Notification. Activation of the fire alarm system shall initiate a
general evacuation signal.
Subp.
17.
IBC [F] section 907.2.5.
IBC [F] section 907.2.5 is amended to read as follows:
907.2.5
Group H, general. A fire
alarm system shall be installed in accordance with Sections 907.2.5 through
907.2.5.2 in Group H-5 occupancies, occupancies used for the manufacture of
organic coatings, and, when required by chapters 60, 62, and 63 of the
Minnesota State Fire Code at the following locations:
1. rooms or areas where highly toxic
compressed gases are stored or used;
2. rooms or areas where Class I, II, or III
organic peroxides are stored; and
3. liquid and solid oxidizer storage
areas.
Subp.
18.
IBC [F] section 907.2.5.1.
IBC [F] section 907.2.5 is amended by adding a section to read
as follows:
907.2.5.1
Initiation. Initiation of the fire alarm system in Group H-5 Occupancies
and in occupancies used for the manufacture of organic coatings shall be by
manual means. Initiation of fire alarm systems installed for highly toxic
gases, organic peroxides and oxidizers shall be by automatic means, as
specified in chapters 60, 62, and 63 of the Minnesota State Fire
Code.
Subp. 19.
IBC [F] section 907.2.5.2.
IBC [F] section 907.2.5 is amended by adding a section to read
as follows:
907.2.5.2
Notification. Activation of the fire alarm system in Group H-5
Occupancies and in occupancies used for the manufacture of organic coatings
shall initiate a general evacuation signal. Activation of the automatic
detection systems installed for highly toxic gases, organic peroxides, and
oxidizers shall sound a local alarm.
Subp. 20. [39 SR 1605 Repealed, 32 SR 7 44 SR
609 effective 3/31/2020]
Subp.
21. [39 SR 1605 Repealed, 32 SR 7 44 SR 609 effective
3/31/2020]
Subp. 22.
IBC [F] section
907.2.6.
IBC [F] section 907.2.6 and all subsections are deleted in
their entirety and replaced with the following:
907.2.6
Group I, general. A fire
alarm system shall be installed in accordance with Sections 907.2.6.1 through
907.2.6.4.2 in Group I occupancies.
907.2.6.1
Group I-1 occupancies-general. A manual and automatic fire alarm
system shall be installed in Group I-1 occupancies in accordance with Sections
907.2.6.1.1 through 907.2.6.1.3.
907.2.6.1.1
Initiation. Initiation of the fire alarm system shall be by manual
and automatic means. Approved automatic fire detectors shall be installed in
laundry and soiled linen rooms, boiler and furnace rooms, mechanical and
electrical rooms, shops, laboratories, kitchens, locker rooms, custodial
closets, trash-collection rooms, storage rooms, lounges, gift shops, and
similar areas. Automatic smoke detectors shall be provided in corridors and
areas that are open to corridors.
Exception: Manual fire alarm boxes in patient
sleeping areas of Group I-1 occupancies shall not be required at exits if
located at all nurses stations or other constantly attended staff locations,
provided such fire alarm boxes are visible and continuously accessible and
provided that travel distances required by Section 907.4.2 are not
exceeded.
907.2.6.1.2
Notification. Activation of the fire alarm system or automatic sprinkler
system shall initiate a general evacuation signal. In addition, activation of
the fire alarm system shall immediately transmit an alarm to an approved
central station or remote station service.
Exceptions:
1. In lieu of audible notification
appliances, visible notification appliances shall be allowed to be used in
critical care areas.
2. Where
occupants are incapable of evacuating themselves because of age,
physical/mental disabilities, or physical restraint, only the attendants or
other personnel required to evacuate occupants from a zone, area, floor, or
building shall be required to be notified. This notification shall include
means to readily identify the zone, area, floor, or building in need of
evacuation.
907.2.6.1.3
Sleeping room smoke alarms. Smoke alarms shall be installed in
resident sleeping rooms in accordance with Section 907.2.10.2.
907.2.6.2
Group I-2
occupancies-general. A manual and automatic fire alarm system shall be
installed in Group I-2 occupancies in accordance with Sections 907.2.6.2.1
through 907.2.6.2.4.
907.2.6.2.1
Initiation. Initiation of the fire alarm system shall be by manual
and automatic means. Approved automatic fire detectors shall be installed in
laundry and soiled linen rooms, boiler and furnace rooms, mechanical and
electrical rooms, shops, laboratories, kitchens, locker rooms, custodial
closets, trash-collection rooms, storage rooms, lounges, gift shops, and
similar areas. Hospitals, nursing homes (both intermediate care and skilled
nursing facilities), board and care homes, and detoxification facilities shall
be provided with smoke detection throughout the corridor and areas open to the
corridors, other than nurses stations.
Exceptions:
1. Corridor smoke detection shall not be
required where the sleeping room smoke detectors required in Section
907.2.6.2.3 are connected to an approved fire alarm system and activate a
general evacuation signal.
2.
Manual fire alarm boxes shall not be required at exits from patient sleeping
areas if located at all nurses stations or other constantly attended staff
locations, provided such fire alarm boxes are visible and continuously
accessible and provided that travel distances horizontally on the same floor
shall not exceed 200 feet to reach a manual fire alarm box.
907.2.6.2.2
Notification. Activation of the fire alarm system or automatic
sprinkler system shall initiate a signal that is distinctive from audible
signals used for other purposes in the same building. Such signal is intended
to notify staff and need not meet the minimum sound pressure levels required
for general evacuation fire alarm notification. In addition, activation of the
fire alarm system shall immediately transmit an alarm to an approved central
station or remote station service.
Exceptions:
1. In lieu of audible notification
appliances, visible notification appliances shall be allowed to be used in
critical care areas.
2. Where
occupants are incapable of evacuating themselves because of age,
physical/mental disabilities, or physical restraint, only the attendants or
other personnel required to evacuate occupants from a zone, area, floor, or
building shall be required to be notified. This notification shall include
means to readily identify the zone, area, floor, or building in need of
evacuation.
3. Where total
evacuation of occupants is impractical due to building configuration, only the
occupants in the affected zones shall be initially notified. Provisions shall
be made to selectively notify occupants in other zones to afford orderly
evacuation of the entire building.
907.2.6.2.3
Patient room smoke
detectors. Smoke detectors shall be installed in patient sleeping rooms
of hospitals and nursing homes. Such detectors primary power shall be other
than battery power. Actuation of such detectors shall cause a visual display on
the corridor side of the room where the detector is located and shall cause a
distinct audible and visual alarm at the nurses station attending the room.
Such detectors may be part of the facilitys fire alarm system, nurses call
system, or a standalone system.
907.2.6.2.3.1
Integral smoke detectors for automatic door-closing devices.
Integral smoke detectors for automatic door-closing devices on sleeping room
doors can be installed only if they also meet all of the requirements in
Section 907.2.6.2.3.
907.2.6.2.4
Sleeping room smoke
alarms. For Group I-2 facilities other than hospitals and nursing homes,
single station smoke alarms shall be installed in resident sleeping
rooms.
907.2.6.3
Group I-3 occupancies-general. A manual and automatic fire alarm system
shall be installed in Group I-3 occupancies in accordance with Sections
907.2.6.3.1 through 907.2.6.3.4.
907.2.6.3.1
Initiation. Initiation of the fire alarm system shall be by manual
and automatic means. Approved automatic fire detectors shall be installed in
laundry and soiled linen rooms, boiler and furnace rooms, mechanical and
electrical rooms, shops, laboratories, kitchens, locker rooms, custodial
closets, trash-collection rooms, storage rooms, lounges, gift shops,
commissaries, and similar areas. Actuation of an automatic fire-extinguishing
system, a manual fire alarm box, or a fire detector shall initiate an approved
fire alarm signal, which automatically notifies staff. Presignal systems shall
not be used.
907.2.6.3.2
Manual fire alarm boxes. Manual fire alarm boxes are not required to be
located in accordance with Section 907.4 where the fire alarm boxes are
provided at staff-attended locations having direct supervision over areas where
manual fire alarm boxes have been omitted.
Manual fire alarm boxes are permitted to be locked in areas
occupied by detainees, provided that staff members are present within the
subject area and have keys readily available to operate the manual fire alarm
boxes.
907.2.6.3.3
Smoke detectors. An approved automatic smoke-detection system shall be
installed throughout resident housing areas, including sleeping areas and
contiguous day rooms, group activity spaces, and other common spaces normally
accessible to residents.
Exceptions:
1. Other approved smoke-detection
arrangements providing equivalent protection, such as placing detectors in
exhaust ducts from cells or behind protective grills, are allowed when
necessary to prevent damage or tampering.
2. Smoke detectors are not required in
sleeping rooms with four or fewer occupants in smoke compartments that are
equipped throughout with an approved automatic sprinkler system.
907.2.6.3.4
Notification. Activation of the fire alarm system or automatic
sprinkler system shall initiate a signal that is distinctive from audible
signals used for other purposes in the same building. Such signal is intended
to notify staff and need not meet the minimum sound pressure levels required
for general evacuation fire alarm notification. In addition, activation of the
fire alarm system shall immediately transmit an alarm to an approved central
station or remote station service.
907.2.6.4
Group I-4
occupancies-general. A manual and automatic fire alarm system shall be
installed in Group I-4 occupancies in accordance with Sections 907.2.6.4.1
through 907.2.6.4.2.
907.2.6.4.1
Initiation. Initiation of the fire alarm system shall be by manual and
automatic means. Approved automatic fire detectors shall be installed in
laundry and soiled linen rooms, boiler and furnace rooms, mechanical and
electrical rooms, shops, laboratories, kitchens, locker rooms, custodial
closets, trash-collection rooms, storage rooms, lounges, gift shops, and
similar areas. Automatic smoke detectors shall be provided in corridors and
areas that are open to corridors.
907.2.6.4.2
Notification.
Activation of the fire alarm system or automatic sprinkler system shall
initiate a general evacuation signal. In addition, activation of the fire alarm
system shall immediately transmit an alarm signal to an approved central
station or remote station service.
Subp. 23.
IBC [F] section
907.2.7.
IBC [F] section 907.2.7 is deleted in its entirety.
Subp. 24.
IBC [F] section
907.2.7.1.
IBC [F] section 907.2.7.1 is deleted in its entirety.
Subp. 25.
IBC [F] section
907.2.8.
IBC [F] section 907.2.8 is amended to read as follows:
907.2.8
Group R-1, general. A
fire alarm system shall be installed in accordance with Sections 907.2.8.1
through 907.2.8.3 in Group R-1 occupancies.
Exceptions:
1. A fire alarm system is not required in
buildings not over two stories in height where all individual sleeping units
and contiguous attic and crawl spaces are separated from each other and public
or common areas by at least one-hour fire partitions and each sleeping unit has
an exit directly to a public way, exit court, or yard.
2. Buildings containing five or fewer
sleeping units shall be allowed to be equipped with approved multiple-station
smoke alarms installed as required for Group R-3 Occupancies. Installation
shall be in accordance with Section 907.2.10.
907.2.8.1
Initiation. Initiation
of the fire alarm system shall be by automatic means. Approved automatic fire
detectors shall be provided in boiler and furnace rooms, shops, laundry and
soiled linen rooms, mechanical and electrical rooms, trash collection rooms,
storage rooms, gift shops, kitchens, locker rooms, custodial closets, lounges,
and similar areas. Automatic smoke detectors shall be provided in all common
areas and interior corridors serving as required means of egress.
Exception: System fire and smoke detectors are not
required when an approved automatic fire extinguishing system is installed in
accordance with Section 903.3.1.1 or 903.3.1.2 and a manual fire alarm box is
provided at a constantly attended location. When a constantly attended location
is not provided, the manual fire alarm box shall be provided at the main
exit.
907.2.8.2
Notification. Activation of the fire alarm system or automatic sprinkler
system shall initiate a general evacuation signal.
907.2.8.3
Sleeping unit smoke alarms.
Sleeping unit smoke alarms required by Section 907.2.10 shall not be
connected to a fire alarm system.
Exception: Connection of such alarms for
annunciation only.
Subp. 26.
IBC [F] section
907.2.9.
IBC [F] section 907.2.9 and all subsections are deleted in
their entirety and replaced with the following:
907.2.9
Groups R-2 and R-4 , general.
Fire alarm systems and smoke alarms shall be installed in Group R-2 and
Group R-4 occupancies. Group R-2 occupancies shall comply with Sections
907.2.9.1 through 907.2.9.1.3. Group R-4 occupancies shall comply with Sections
907.2.9.2 through 907.2.9.2.3.
907.2.9.1
Group R-2, general. A fire alarm system shall be installed in
accordance with Sections 907.2.9.1 through 907.2.9.1.2 in Group R-2 occupancies
where:
1. any sleeping unit or dwelling unit
is located two or more stories above the story containing the lowest level of
exit discharge;
2. any sleeping
unit or dwelling unit is located > one story below the highest level of exit
discharge of exits serving the dwelling unit;
3. the building contains > 16 dwelling
units or sleeping units; or
4. the
building is used as a congregate living facility, dormitory, convent,
monastery, fraternity, sorority, group home, or shelter and has an occupant
load of 20 or more.
Exception: A fire alarm system is not required in
buildings not over two stories in height where all dwelling units and
contiguous attic and crawl spaces are separated from each other and public or
common areas by at least one-hour fire partitions and each dwelling unit has an
exit directly to a public way, exit court, or yard.
907.2.9.1.1
Initiation.
Initiation of the fire alarm system shall be by automatic means.
Automatic fire detectors shall be provided in boiler and furnace rooms,
trash-collection rooms, shops, laundry rooms, common kitchens, locker rooms,
lounges, mechanical and electrical rooms, storage rooms, and similar areas.
Automatic smoke detectors shall be provided in all common areas and interior
corridors serving as required means of egress.
Exception: System fire and smoke detectors are not
required when an approved automatic fire extinguishing system is installed
throughout the building.
907.2.9.1.2
Notification.
Activation of the fire alarm system or automatic sprinkler system shall
initiate a general evacuation signal.
907.2.9.1.3
Dwelling unit smoke
alarms. Dwelling unit smoke alarms required by Section 907.2.10 shall
not be connected to the building fire alarm system.
Exception: Connection of such alarms for
annunciation only.
907.2.9.2
Group R-4, general. A
fire alarm system shall be installed in accordance with Sections 907.2.9.2.1
through 907.2.9.2.3 in Group R-4 occupancies.
Exceptions:
1. A fire alarm system is not required in
buildings two stories or less in height where all individual sleeping units,
attics, and crawl spaces contiguous to those units are separated from each
other and public or common areas by at least one-hour fire partitions and each
sleeping unit room has an exit directly to a public way, exit court, or
yard.
2. Buildings containing five
or fewer sleeping units are permitted to be equipped with approved
multiple-station smoke alarms installed as required for Group R-3 occupancies.
Installation shall be in accordance with Section 907.2.10.
907.2.9.2.1
Initiation.
Initiation of the fire alarm system shall be by automatic means.
Approved automatic fire detectors shall be provided in boiler and furnace
rooms, shops, laundry and soiled linen rooms, mechanical and electrical rooms,
common kitchens, lounges, trash collection rooms, storage rooms, gift shops,
locker rooms, and similar areas. Automatic smoke detectors shall be provided in
all common areas and interior corridors serving as required means of egress.
Exception: System fire and smoke detectors are not
required when an approved automatic fire-extinguishing system is installed in
accordance with Section 903.3.1.1, 903.3.1.2, or 903.3.1.3.
907.2.9.2.2
Notification.
Activation of the fire alarm system or automatic sprinkler system shall
initiate a general evacuation signal.
907.2.9.2.3
Smoke alarms. Single
and multiple-station smoke alarms shall be installed in accordance with Section
907.2.10.
Subp.
26a. [Repealed, 39 SR 1605; 44 SR 609 effective
3/31/2020]
Subp. 26b. [Repealed, 39 SR 1605; 44 SR 609
effective 3/31/2020]
IBC [F] section 907.2.10 is amended to read as follows:
907.2.10
Group R-4, general. A
fire alarm system shall be installed in accordance with Sections 907.2.10
through 907.2.10.3 in Group R-4 occupancies.
Exceptions:
1. A fire
alarm system is not required in buildings two stories or less in height where
all individual sleeping units and contiguous attic and crawl spaces to those
units are separated from each other and public or common areas by at least
1-hour fire partitions and each sleeping unit room has an exit directly to a
public way, exit court, or yard.
2.
Buildings containing five or fewer sleeping units shall be allowed to be
equipped with approved multiple-station smoke alarms installed as required for
Group R-3 occupancies. Installation shall be in accordance with Section
907.2.11.
907.2.10.1
Initiation. Initiation of the fire alarm system shall be by
automatic means. Approved automatic fire detectors shall be provided in boiler
and furnace rooms, shops, laundry rooms, mechanical and electrical rooms, trash
collection rooms, storage rooms, gift shops, locker rooms, and similar areas.
Automatic smoke detectors shall be provided in all common areas and interior
corridors serving as required means of egress.
Exception: System fire and smoke detectors are not
required when an approved automatic fire-extinguishing system is installed in
accordance with Section 903.3.1.1, 903.3.1.2, or 903.3.1.3.
907.2.10.2
Notification.
Activation of the fire alarm system or automatic sprinkler system shall
initiate a general evacuation signal.
907.2.10.3
Smoke alarms. Single
and multistation smoke alarms shall be installed in accordance with Section
907.2.11.
Subp.
27. [Repealed, 39 SR 1605; 44 SR 609 effective
3/31/2020]
IBC [F] section 907.2.11.4 is amended to read as
follows:
907.2.11.4
Power
source. In new construction, required smoke alarms shall receive their
primary power from the building wiring where such wiring is served from a
commercial source and shall be equipped with a battery backup. Smoke alarms
shall emit a signal when the batteries are low. Wiring shall be permanent and
without a disconnecting switch other than as required for overcurrent
protection.
Exceptions:
1. Smoke
alarms are not required to be equipped with battery backup in Group R-1
occupancies where they are connected to an emergency electrical
system.
2. Smoke alarms are not
required to be equipped with battery backup in Group R-2 occupancies equipped
throughout with an automatic sprinkler system installed in accordance with
Section 903.3.1.1 or 903.3.1.2.
Subp. 27a. [Repealed, 39 SR 1605; 44 SR 609
effective 3/31/2020]
Subp.
27b.
IBC [F] section 907.2.22.
IBC [F] section 907.2.22 is amended to read as follows:
907.2.22
Battery rooms. An
automatic smoke detection system shall be installed in areas containing
stationary storage battery systems where the battery capacity exceeds that
listed in Table 907.2.22. Battery systems exceeding the quantities listed in
Table 907.2.22 shall comply with Minnesota Rules, chapter 7511, the Minnesota
State Fire Code.
Subp.
27c.
IBC [F] section 907.2.22.
IBC [F] section 907.2.22 is amended to add Table 907.2.22 as
follows:
TABLE 907.2.22
BATTERY STORAGE SYSTEM THRESHOLD QUANTITIES
|
Battery Technology
|
Capacity
a
|
| Flow batteries
b
|
20 kWh |
| Lead acid, all types |
70 kWh |
| Lithium, all types |
20 kWh |
| Nickel cadmium (Ni-Cd) |
70 kWh |
| Sodium, all types |
20 kWh
c
|
| Other battery technologies |
10 kWh |
For SI: 1 kilowatt hour = 3.6 megajoules.
a For batteries rated in amp-hours,
kWh shall equal rated voltage times amp-hour rating divided by 1000.
b Shall include vanadium,
zinc-bromine, polysulfide-bromide, and other flowing electrolyte-type
technologies.
c 70 kWh for sodium-ion
technologies.
Subp. 27d.
IBC [F] section 907.2.23.
IBC [F] section 907.2.23 is amended to read as follows:
907.2.23
Capacitor energy storage
systems. An automatic smoke detection system shall be installed in areas
containing capacitor energy storage systems where the storage capacity exceeds
3 kWh (10.8 megajoules). Systems exceeding 3 kWh (10.8 megajoules) shall comply
with Minnesota Rules, chapter 7511, the Minnesota State Fire Code.
Subp. 28.
IBC [F] section
907.2.24.
IBC [F] section 907.2 is amended by adding sections to read as
follows:
907.2.24
Residential
hospices. A fire alarm system shall be installed in accordance with
Sections 907.2.24.1 and 907.2.24.2 in residential hospices. When automatic
sprinkler systems or automatic fire detectors are installed, such systems or
detectors shall be connected to the building fire alarm system.
907.2.24.1
Initiation.
Initiation of the fire alarm system shall be by manual and automatic
means. Approved automatic fire detectors shall be provided in boiler and
furnace rooms, kitchens, laboratories, shops, gift shops, commissaries, laundry
and soiled linen rooms, mechanical and electrical rooms, locker rooms, storage
rooms, custodial closets, trash collection rooms, lounges, and similar areas.
Automatic smoke detectors shall be provided in sleeping rooms, corridors, and
spaces open to the corridors.
Exception: Manual fire alarm boxes are not
required at exits if manual fire alarm boxes are located at all nurses stations
or other continuously attended staff locations, provided such fire alarm boxes
are visible and continuously accessible and that travel distances required by
Section 907.4.2 are not exceeded.
907.2.24.2
Notification.
Activation of the fire alarm system or automatic sprinkler system shall
initiate a general evacuation signal. In addition, the fire alarm system shall
be monitored by an approved central station service in accordance with Section
903.4.1.
Exception: In lieu of audible notification
appliances, visible notification appliances shall be allowed to be used in
sleeping areas.
Subp. 29. [39 SR 1605 Repealed, 32 SR 7 44 SR
609 effective 3/31/2020]
Subp.
30. [Repealed, 39 SR 1605; 44 SR 609 effective
3/31/2020]
Subp. 31.
IBC [F] section 907.3.
IBC [F] section 907.3 is amended, and subsections added, to
read as follows:
907.3
Fire
safety functions. Automatic fire detectors required by Section 907.2 of
this code and Chapter 11 of the Minnesota State Fire Code are to activate
notification appliances in accordance with those sections. When automatic fire
detectors are installed for other fire safety functions, they shall perform the
intended function upon activation. When automatic detectors are installed for
fire safety functions and the building has a fire alarm system, the detectors
shall activate supervisory signals at the fire alarm control panel or at a
constantly attended location. When the building does not have a fire alarm
system, the detectors shall activate a visual and audible supervisory signal at
an approved location, which shall indicate the source of the signal.
907.3.1
Air distribution and
air-handling systems. Smoke detectors installed to shut down the air
distribution or air-handling system shall, upon activation, perform the
intended function. Air distribution or air-handling equipment that is part of a
smoke-control system shall switch to smoke-control mode upon activation of a
detector.
907.3.1.1
Fire alarm system
interface. Smoke detectors that are installed in air distribution or
air-handling systems for shutdown purposes and that are connected to a fire
alarm system shall not sound a general evacuation signal.
907.3.2
Elevator control functions.
Smoke detectors that are installed to control or recall elevators or to
control doors for elevators, elevator lobbies, or elevator shafts and that are
connected to a fire alarm system shall not sound a general evacuation signal.
Elevator recall and firefighters emergency operation for elevators shall only
be controlled by elevator smoke detectors and shall not initiate upon other
building fire detectors or evacuation signals.
907.3.3
Door hold-open functions.
Smoke detectors that are installed to hold open fire doors under
nonemergency conditions and that are connected to a fire alarm system shall
sound a general evacuation signal when the doors being held open are part of
the means of egress corridor or stair system. Door hold-open smoke detectors
are not required to activate a visual or audible signal.
(Subsection 907.3.4 remains unchanged.)
Subp. 31a. [Repealed,
39 SR 1605; 44 SR 609 effective 3/31/2020]
IBC [F] section 907.6.5 and its subsections are deleted in
their entirety.
Subp. 31b.
IBC [F] section 907.5.2.1.2.
IBC [F] section 907.5.2.1.2 is amended to read as
follows:
907.5.2.1.2
Maximum
sound pressure. Fire alarm system audibility levels shall not exceed 35
dB above the average ambient sound level described in Section 907.5.2.1.1 or 35
dB above the peak ambient sound level. The maximum sound pressure level for
audible alarm notification appliances shall be 110 dBA at the minimum hearing
distance from the audible appliance. Where the average ambient noise is greater
than 95 dBA, visible alarm notification appliances shall be provided in
accordance with NFPA 72 and audible alarm notification appliances shall not be
required.
Subp. 32.
[Repealed, 44 SR 609 effective 3/31/2020]
Subp.
32a.
IBC [F] section 907.6.6.
IBC [F] section 907.6.6 is amended to read as follows:
907.6.6
Monitoring. Where
provided, monitoring of fire alarm systems shall comply with Sections 907.6.6.1
and 907.6.6.2.
(The exceptions are removed.)
(Subsections 907.6.6.1 and 907.6.6.2 remain unchanged.)
Subp. 33. [Repealed, 39
SR 1605; 44 SR 609 effective 3/31/2020]
Statutory Authority: MS s
16B.37;
16B.59 to
16B.76;
326B.02;
326B.101 to
326B.194
