reglab/statecodes huggingface dataset:
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.1 - General

Current through Register 1525, July 5, 2024
The provisions of this section apply to building spaces
				  having a floor level used for human occupancy more than 30 feet (9144 mm) below
				  the finished floor of the lowest
level of exit
				  discharge
.
Exceptions:
1. One- and two-family
dwellings
, sprinklered in accordance with Section
				903.3.1.3.
2. Parking garages with
				automatic sprinkler systems in compliance with Section 405.3.
3. Fixed guideway transit systems.
4. Grandstands,
bleachers
,
				stadiums, arenas and similar facilities.
5. Where the lowest
story
is
				the only
story
that would qualify the building as an
				underground building and has an area not exceeding 1,500 square feet (139
				m2) and has an
occupant load
less
				than 10.
6. Pumping stations and
				other similar mechanical spaces intended only for limited periodic use by
				service or maintenance personnel.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.3 - Automatic sprinkler system

Current through Register 1525, July 5, 2024
The highest level of
exit discharge
serving
				  the underground portions of the building and all levels below shall be equipped
				  with an
automatic sprinkler system
installed in accordance
				  with Section 903.3.1.1. Water-flow switches and control valves shall be
				  supervised in accordance with Section 903.4. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.4 - Compartmentation

Current through Register 1525, July 5, 2024
Compartmentation shall be in accordance with Sections
				  405.4.1 through 405.4.3.
405.4.1
Number of compartments.
A building having a floor level more than
				60 feet (18 288 mm) below the finished floor of the lowest
level of
				exit discharge
shall be divided into a minimum of two compartments of
				approximately equal size. Such compartmentation shall extend through the
				highest
level of exit discharge
serving the underground
				portions of the building and all levels below.
Exception:
The lowest
story
need not be compartmented where the area does not exceed 1,500 square feet (139
				  m2) and has an
occupant load
of
				  less than 10.
405.4.2
Smoke barrier penetration.
The compartments shall be separated
				from each other by a
smoke barrier
in accordance with Section
				710. Penetrations between the two compartments shall be limited to plumbing and
				electrical piping and conduit that are firestopped in accordance with Section
				713. Doorways shall be protected by
fire door assemblies
that
				are automatic-closing by smoke detection in accordance with Section 715.4.8.3
				and are installed in accordance with NFPA 105 and Section 715.4.3. Where
				provided, each compartment shall have an air supply and an exhaust system
				independent of the other compartments.
405.4.3
Elevators.
Where
				elevators are provided, each compartment shall have direct access to an
				elevator. Where an elevator serves more than one compartment, an elevator lobby
				shall be provided and shall be separated from each compartment by a
				s
moke barrier
in accordance with Section 710. Doors shall be
				gasketed, have a drop sill and be 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 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.5 - Smoke control system

Current through Register 1525, July 5, 2024
A smoke control system shall be provided in accordance with
				  Sections 405.5.1 and 405.5.2. [F]
405.5.1
Control system.
A smoke
				control system is required to control the migration of products of combustion
				in accordance with Section 909 and the provisions of this section. Smoke
				control shall restrict movement of smoke to the general area of fire origin and
				maintain
means of egress
in a usable condition. [F]
405.5.2
Compartment smoke control
				system.
Where compartmentation is required, each compartment shall have
				an independent smoke control system. The system shall be automatically
				activated and capable of manual operation in accordance with Sections 907.2.18
				and 907.2.19. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.6 - Fire alarm systems

Current through Register 1525, July 5, 2024
A fire alarm system shall be provided where required by
				  Sections 907.2.18 and 907.2.19. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.7 - Means of egress

Current through Register 1525, July 5, 2024
Means of egress
shall be in accordance with
				  Sections 405.7.1 and 405.7.2.
405.7.1
Number of exits.
Each floor level shall be provided with a
				minimum of two
exits
. Where compartmentation is required by
				Section 405.4, each compartment shall have a minimum of one
exit
and shall also have an
exit access
doorway into the adjoining compartment.
405.7.2
Smokeproof enclosure.
Every required
stairway
serving floor levels more than 30 feet
				(9144 mm) below the finished floor of its
level of exit
				discharge
shall comply with the requirements for a smokeproof
				enclosure as provided in Section 1022.9.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.8 - Standby power

Current through Register 1525, July 5, 2024
A standby power system complying with Chapter 27 shall be
				  provided standby power loads specified in Section 405.8.1. [F]
405.8.1
Standby power loads.
The
				following loads are classified as standby power loads: [F]
1. Smoke control system.
2. Ventilation and automatic fire detection
				equipment for smokeproof enclosures.
3. Fire pumps.
Standby power shall be provided for elevators in accordance
				  with Section 3003.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.9 - Emergency power

Current through Register 1525, July 5, 2024
An emergency power system complying with Chapter 27 shall be
				  provided for emergency power loads specified in Section 405.9.1. [F]
405.9.1
Emergency power loads.
The following loads are classified as emergency power loads: [F]
1. Emergency voice/alarm communications
				systems.
2. Fire alarm
				systems.
3. Automatic fire
				detection systems.
4. Elevator car
				lighting.
5.
Means of
				egress
and exit sign illumination as required by Chapter 10.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 405 - UNDERGROUND BUILDINGS › Subsection 405.10 - Standpipe system

Current through Register 1525, July 5, 2024
The underground building shall be equipped throughout with a
				  standpipe system in accordance with Section 905. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.1 - Private garages and carports

Current through Register 1525, July 5, 2024
406.1.1
Classification.
Buildings or parts of buildings classified as Group U occupancies because of
				the use or character of the occupancy shall not exceed 1,000 square feet (93
				m2) in area or one
story
in height
				except as provided in Section 406.1.2. Any building or portion thereof that
				exceeds the limitations specified in this section shall be classified in the
				occupancy group other than Group U that it most nearly resembles.
406.1.2
Area increase.
Group U
				occupancies used for the storage of private or pleasure-type motor vehicles
				where no repair work is completed or fuel is dispensed are permitted to be
				3,000 square feet (279 m2) when the following
				provisions are met:
1. For a mixed occupancy
				building, the
exterior wall
and opening protection for the
				Group U portion of the building shall be as required for the major occupancy of
				the building. For such a mixed occupancy building, the allowable floor area of
				the building shall be as permitted for the major occupancy contained
				therein.
2. For a building
				containing only a Group U occupancy, the
exterior wall
shall
				not be required to have a
fire-resistance rating
and the area
				of openings shall not be limited when the
fire separation
				distance
is 5 feet (1524 mm) or more.
More than one 3,000-square-foot (279
				  m2) Group U occupancy shall be permitted to be in
				  the same building, provided each 3,000-square-foot (279
				  m2) area is separated by
fire walls
complying with Section 706.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.2 - Parking garages

Current through Register 1525, July 5, 2024
406.2.1
Classification.
Parking garages shall be classified as either open, as
				defined in Section 406.3, or enclosed and shall meet the appropriate criteria
				in Section 406.4. Also see Section 509 for special provisions for parking
				garages.
406.2.2
Clear
				height.
The clear height of each floor level in vehicle and pedestrian
				traffic areas shall not be less than 7 feet (2134 mm). Vehicle and pedestrian
				areas accommodating van-accessible parking required by Section 1106.5 shall
				conform to ICC A117.1.
406.2.3
Guards.
Guards
shall be provided in accordance
				with Section 1013.
Guards
serving as vehicle barrier systems
				shall comply with Sections 406.2.4 and 1013.
406.2.4
Vehicle barrier systems.
Vehicle barrier systems not less than 2 feet 9 inches (835 mm) high
				shall be placed at the end of drive lanes, and at the end of parking spaces
				where the vertical distance to the ground or surface directly below is greater
				than 1 foot (305 mm). Vehicle barrier systems shall comply with the loading
				requirements of Section 1607.7.3.
Exception:
Vehicle storage compartments in a
				  mechanical access parking garage.
406.2.5
Ramps.
Vehicle ramps
				shall not be considered as required
exits
unless pedestrian
				facilities are provided. Vehicle ramps that are utilized for vertical
				circulation as well as for parking shall not exceed a slope of 1:15 (6.67
				percent).
406.2.6
Floor
				surface.
Parking surfaces shall be of concrete or similar noncombustible
				and nonabsorbent materials.
The area of floor used for parking of automobiles or other
				  vehicles shall be sloped to facilitate the movement of liquids to a drain or
				  toward the main vehicle entry doorway.
Exceptions:
1. Asphalt parking surfaces shall be
				permitted at ground level.
2.
				Floors of Group S-2 parking garages shall not be required to have a sloped
				surface.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.3 - Open parking garages

Current through Register 1525, July 5, 2024
406.3.1
Scope.
Except where specific provisions are made in Sections
				406.3.2 through 406.3.13, other requirements of this code shall
				apply.
406.3.2
Definitions.
The following words and terms shall, for the purposes of
				this chapter and as used elsewhere in this code, have the meanings shown
				herein.
MECHANICAL-ACCESS OPEN PARKING GARAGES.
Open parking garages
employing parking machines, lifts,
				  elevators or other mechanical devices for vehicles moving from and to street
				  level and in which public occupancy is prohibited above the street
				  level.
OPEN PARKING GARAGE.
A structure or portion of a
				  structure with the openings as described in Section 406.3.3.1 on two or more
				  sides that is used for the parking or storage of private motor vehicles as
				  described in Section 406.3.4.
RAMP-ACCESS OPEN PARKING GARAGES.
Open
				  parking garages
employing a series of continuously rising floors or a
				  series of interconnecting ramps between floors permitting the movement of
				  vehicles under their own power from and to the street level.
406.3.3
Construction.
Open parking garages
shall be of Type I, II or IV
				construction.
Open parking garages
shall meet the design
				requirements of Chapter 16. For vehicle barrier systems, see Section 406.2.4.
406.3.3.1
Openings.
For natural
				ventilation purposes, the exterior side of the structure shall have uniformly
				distributed openings on two or more sides. The area of such openings in
exterior walls
on a tier must be at least 20 percent of the
				total perimeter wall area of each tier. The aggregate length of the openings
				considered to be providing natural ventilation shall constitute a minimum of 40
				percent of the perimeter of the tier. Interior walls shall be at least 20
				percent open with uniformly distributed openings.
Exception:
Openings are not required to be
				  distributed over 40 percent of the building perimeter where the required
				  openings are uniformly distributed over two opposing sides of the
				  building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.4 - Enclosed parking garages

Current through Register 1525, July 5, 2024
406.4.1
Heights and areas.
Enclosed vehicle parking garages and portions
				thereof that do not meet the definition of
open parking
				garages
shall be limited to the allowable heights and areas specified
				in Table 503 as modified by Sections 504, 506 and 507. Roof parking is
				permitted.
406.4.2
Ventilation.
A mechanical ventilation system shall be provided in
				accordance with the
International Mechanical Code
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.5 - Motor fuel-dispensing facilities

Current through Register 1525, July 5, 2024
406.5.1
Construction.
Motor
				fuel-dispensing facilities shall be constructed in accordance with the
International Fire Code
and Sections 406.5.1 through
				406.5.3.
406.5.2
Vehicle
				fueling pad.
The vehicle shall be fueled on noncoated concrete or other
approved
paving material having a resistance not exceeding 1
				megohm as determined by the methodology in EN 1081.
406.5.3
Canopies.
Canopies under
				which fuels are dispensed shall have a clear, unobstructed height of not less
				than 13 feet 6 inches (4115 mm) to the lowest projecting element in the vehicle
				drive-through area. Canopies and their supports over pumps shall be of
				noncombustible materials,
fire-retardant-treated wood
complying with Chapter 23, wood of Type IV sizes or of construction providing
				1-hour
fire resistance
. Combustible materials used in or on a
				canopy shall comply with one of the following:
1. Shielded from the pumps by a
				noncombustible element of the canopy, or wood of Type IV sizes;
2. Plastics covered by aluminum facing having
				a minimum thickness of 0.010 inch (0.30 mm) or corrosion-resistant steel having
				a minimum base metal thickness of 0.016 inch (0.41 mm). The plastic shall have
				a
flame spread index
of 25 or less and a smoke-developed index
				of 450 or less when tested in the form intended for use in accordance with ASTM
				E 84 or UL 723 and a self-ignition temperature of 650°F (343°C) or
				greater when tested in accordance with ASTM D 1929; or
3. Panels constructed of light-transmitting
				plastic materials shall be permitted to be installed in canopies erected over
				motor vehicle fuel-dispensing station fuel dispensers, provided the panels are
				located at least 10 feet (3048 mm) from any building on the same lot and face
				yards or streets not less than 40 feet (12 192 mm) in width on the other sides.
				The aggregate areas of plastics shall not exceed 1,000 square feet (93
				m2). The maximum area of any individual panel shall
				not exceed 100 square feet (9.3 m2).
406.5.3.1
Canopies used to support
				gaseous hydrogen systems.
Canopies that are used to shelter dispensing
				operations where flammable compressed gases are located on the roof of the
				canopy shall be in accordance with the following:
1. The canopy shall meet or exceed Type I
				construction requirements.
2.
				Operations located under canopies shall be limited to refueling only.
3. The canopy shall be constructed in a
				manner that prevents the accumulation of hydrogen gas.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 406 - MOTOR-VEHICLE-RELATED OCCUPANCIES › Subsection 406.6 - Repair garages

Current through Register 1525, July 5, 2024
406.6.1
General.
Repair garages shall be constructed in accordance with the
International Fire Code
and Sections 406.6.1 through 406.6.6.
				This occupancy shall not include motor fuel-dispensing facilities, as regulated
				in Section 406.5.
406.6.2
Mixed uses.
Mixed uses shall be allowed in the same building as a repair
				garage subject to the provisions of Section 508.1.
406.6.3
Ventilation.
Repair
				garages shall be mechanically ventilated in accordance with the
International Mechanical Code
. The ventilation system shall be
				controlled at the entrance to the garage.
406.6.4
Floor surface.
Repair
				garage floors shall be of concrete or similar noncombustible and nonabsorbent
				materials.
Exception:
Slip-resistant, nonabsorbent,
interior floor finishes
having a critical radiant flux not
				  more than 0.45 W/cm2, as determined by NFPA 253,
				  shall be permitted.
406.6.5
Heating equipment.
Heating equipment shall be installed in
				accordance with the
International Mechanical Code
.
406.6.6
Gas detection system.
Repair garages used for repair of vehicles fueled by nonodorized gases, such as
				hydrogen and nonodorized LNG, shall be provided with a flammable gas detection
				system. [F]
406.6.6.1
System
				design.
The flammable gas detection system shall be listed or approved
				and shall be calibrated to the types of fuels or gases used by vehicles to be
				repaired. Gas detectors or sensors shall be listed in accordance with UL 2075
				and shall indicate the gases they are intended to detect. The gas detection
				system shall be designed to activate when the level of flammable gas exceeds 25
				percent of the lower explosive limit. Gas detection shall also be provided in
				lubrication or chassis repair pits of garages used for repairing nonodorized
				LNG-fueled vehicles. [F]
406.6.6.2
Operation.
Activation of the gas detection system shall result in
				all of the following: [F]
1. Initiation of
				distinct audible and visual alarm signals in the repair garage.
2. Deactivation of all heating systems
				located in the repair garage.
3.
				Activation of the mechanical ventilation system, where the system is
				interlocked with gas detection.
406.6.6.3
Failure of the gas detection
				system.
Failure of the gas detection system shall result in the
				deactivation of the heating system, activation of the mechanical ventilation
				system when the system is interlocked with the gas detection system and cause a
				trouble signal to sound in an
approved
location. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.1 - General

Current through Register 1525, July 5, 2024
Occupancies in Group I-2 shall comply with the provisions of
				  Sections 407.1 through 407.9 and other applicable provisions of this
				  code.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.2 - Corridors

Current through Register 1525, July 5, 2024
Corridors
in occupancies in Group I-2 shall
				  be continuous to the
exits
and separated from other areas in
				  accordance with Section 407.3 except spaces conforming to Sections 407.2.1
				  through 407.2.4.
407.2.1
Waiting and similar areas.
Waiting areas and similar spaces constructed
				as required for
corridors
shall be permitted to be open to a
corridor
, only where all of the following criteria are met:
1. The spaces are not occupied for patient
sleeping units
, treatment rooms, hazardous or incidental
				accessory occupancies in accordance with Section 508.2.
2. The open space is protected by an
				automatic fire detection system installed in accordance with Section
				907.
3. The
corridors
onto which the spaces open, in the same smoke
				compartment, are protected by an automatic fire detection system installed in
				accordance with Section 907, or the smoke compartment in which the spaces are
				located is equipped throughout with quick-response sprinklers in accordance
				with Section 903.3.2.
4. The space
				is arranged so as not to obstruct access to the required
exits
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.3 - Corridor walls

Current through Register 1525, July 5, 2024
Corridor
walls shall be constructed as smoke
				  partitions in accordance with Section 711.
407.3.1
Corridor doors.
Corridor
doors, other than those in a wall required to be
				rated by Section 508.2.5 or for the enclosure of a vertical opening or an
exit
, shall not have a required
fire protection rating
and shall not be required to be equipped with self-closing or
				automatic-closing devices, but shall provide an effective barrier to limit the
				transfer of smoke and shall be equipped with positive latching. Roller latches
				are not permitted. Other doors shall conform to Section 715.4.
407.3.2
Locking devices.
Locking
				devices that restrict access to the patient room from the
corridor
, and that are operable only by staff from the
corridor
side, shall not restrict the
means of
				egress
from the patient room except for patient rooms in mental health
				facilities.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.4 - Smoke barriers

Current through Register 1525, July 5, 2024
Smoke barriers
shall be provided to
				  subdivide every
story
used by patients for sleeping or
				  treatment and to divide other
stories
with an
occupant
				  load
of 50 or more persons, into at least two smoke compartments. Such
stories
shall be divided into smoke compartments with an area
				  of not more than 22,500 square feet (2092 m2) and
				  the travel distance from any point in a smoke compartment to a
smoke
				  barrier
door shall not exceed 200 feet (60 960 mm). The
smoke
				  barrier
shall be in accordance with Section 710.
407.4.1
Refuge area.
At least 30
				net square feet (2.8 m2) per patient shall be
				provided within the aggregate area of
corridors
, patient
				rooms, treatment rooms, lounge or dining areas and other low-hazard areas on
				each side of each s
moke barrier.
On floors not housing
				patients confined to a bed or litter, at least 6 net square feet (0.56
				m2) per occupant shall be provided on each side of
				each
smoke barrier
for the total number of occupants in
				adjoining smoke compartments.
407.4.2
Independent egress.
A
means of egress
shall be provided from each smoke compartment
				created by
smoke barriers
without having to return through the
				smoke compartment from which
means of egress
originated.
407.4.3
Horizontal assemblies.
Horizontal assemblies
supporting
smoke barriers
required by this section shall be designed to
				resist the movement of smoke and shall comply with Section 712.9.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.5 - Automatic sprinkler system

Current through Register 1525, July 5, 2024
Smoke compartments containing patient
sleeping
				  units
shall be equipped throughout with an
automatic sprinkler
				  system
in accordance with Section 903.3.1.1. The smoke compartments
				  shall be equipped with
approved
quick-response or residential
				  sprinklers in accordance with Section 903.3.2. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.6 - Fire alarm system

Current through Register 1525, July 5, 2024
A fire alarm system shall be provided in accordance with
				  Section 907.2.6. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.7 - Automatic fire detection

Current through Register 1525, July 5, 2024
Corridors
in nursing homes (both
				  intermediate care and skilled nursing facilities), detoxification facilities
				  and spaces permitted to be open to the
corridors
by Section
				  407.2 shall be equipped with an automatic fire detection system. Hospitals
				  shall be equipped with smoke detection as required in Section 407.2. [F]
Exceptions:
1.
Corridor
smoke detection
				is not required where patient
sleeping units
are provided with
				smoke detectors that comply with UL 268. Such detectors shall provide a visual
				display on the
corridor
side of each patient
sleeping
				unit
and an audible and visual alarm at the nursing station attending
				each unit.
2.
Corridor
smoke detection is not required where patient
sleeping unit
doors are equipped with automatic door-closing
				devices with integral smoke detectors on the unit sides installed in accordance
				with their listing, provided that the integral detectors perform the required
				alerting function.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.8 - Secured yards

Current through Register 1525, July 5, 2024
Grounds are permitted to be fenced and gates therein are
				  permitted to be equipped with locks, provided that safe dispersal areas having
				  30 net square feet (2.8 m2) for bed and litter
				  patients and 6 net square feet (0.56 m2) for
				  ambulatory patients and other occupants are located between the building and
				  the fence. Such provided safe dispersal areas shall not be located less than 50
				  feet (15 240 mm) from the building they serve.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 407 - GROUP I-2 › Subsection 407.9 - Hyperbaric facilities

Current through Register 1525, July 5, 2024
Hyperbaric facilities in Group I-2 occupancies shall meet
				  the requirements contained in Chapter 20 of NFPA 99.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.1 - General

Current through Register 1525, July 5, 2024
Occupancies in Group I-3 shall comply with the provisions of
				  Sections 408.1 through 408.10 and other applicable provisions of this code (see
				  Section 308.4).
408.1.1
Definition.
The following words and terms shall, for the purposes of
				this chapter and as used elsewhere in this code, have the meanings shown
				herein.
CELL.
A room within a housing unit in a
				  detention or correctional facility used to confine inmates or prisoners.
CELL TIER.
Levels of cells vertically stacked
				  above one another within a housing unit.
HOUSING UNIT.
A dormitory or a group of cells
				  with a common dayroom in Group I-3.
SALLYPORT.
A security vestibule with two or more
				  doors or gates where the intended purpose is to prevent continuous and
				  unobstructed passage by allowing the release of only one door or gate at a
				  time.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.2 - Other occupancies

Current through Register 1525, July 5, 2024
Buildings or portions of buildings in Group I-3 occupancies
				  where security operations necessitate the locking of required
means of
				  egress
shall be permitted to be classified as a different occupancy.
				  Occupancies classified as other than Group I-3 shall meet the applicable
				  requirements of this code for that occupancy provided provisions are made for
				  the release of occupants at all times.
Means of egress
from detention and
				  correctional occupancies that traverse other use areas shall, as a minimum,
				  conform to requirements for detention and correctional occupancies.
Exception:
It is permissible to exit through a
horizontal
exit
into other contiguous
				  occupancies that do not conform to detention and correctional occupancy egress
				  provisions but that do comply with requirements set forth in the appropriate
				  occupancy, as long as the occupancy is not a Group H use.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.3 - Means of egress

Current through Register 1525, July 5, 2024
Except as modified or as provided for in this section, the
				  provisions of Chapter 10 shall apply.
408.3.1
Door width.
Doors to
				resident
sleeping units
shall have a clear width of not less
				than 28 inches (711 mm).
408.3.2
Sliding doors.
Where doors in a
means of egress
are of the horizontal-sliding type, the force to slide the door to its fully
				open position shall not exceed 50 pounds (220 N) with a perpendicular force
				against the door of 50 pounds (220 N).
408.3.3
Guard tower doors.
A
				hatch or trap door not less than 16 square feet (610
				m2) in area through the floor and having minimum
				dimensions of not less than 2 feet (610 mm) in any direction shall be permitted
				to be used as a portion of the
means of egress
from guard
				towers.
408.3.4
Spiral
				stairways.
Spiral stairways
that conform to the
				requirements of Section 1009.9 are permitted for access to and between staff
				locations.
408.3.5
Ship
				ladders.
Ship ladders shall be permitted for egress from control rooms
				or elevated facility observation rooms in accordance with Section
				1009.11.
408.3.6
Exit
				discharge.
Exits
are permitted to discharge into a
				fenced or walled courtyard. Enclosed yards or
courts
shall be
				of a size to accommodate all occupants, a minimum of 50 feet (15 240 mm) from
				the building with a net area of 15 square feet (1.4
				m2) per person.
408.3.7
Sallyports.
A sallyport
				shall be permitted in a
means of egress
where there are
				provisions for continuous and unobstructed passage through the sallyport during
				an emergency egress condition.
408.3.8
Exit enclosures.
One of
				the required
exit enclosures
in each building shall be
				permitted to have glazing installed in doors and interior walls at each landing
				level providing access to the enclosure, provided that the following conditions
				are met:
1. The
exit
				enclosure
shall not serve more than four floor levels.
2. Exit doors shall not be less than
				3/4-hour
fire
				door
assemblies
complying with Section
				715.4
3. The total area of glazing
				at each floor level shall not exceed 5,000 square inches (3
				m2) and individual panels of glazing shall not
				exceed 1,296 square inches (0.84 m2).
4. The glazing shall be protected on both
				sides by an
automatic sprinkler system
. The sprinkler system
				shall be designed to wet completely the entire surface of any glazing affected
				by fire when actuated.
5. The
				glazing shall be in a gasketed frame and installed in such a manner that the
				framing system will deflect without breaking (loading) the glass before the
				sprinkler system operates.
6.
				Obstructions, such as curtain rods, drapery traverse rods, curtains, drapes or
				similar materials shall not be installed between the automatic sprinklers and
				the glazing.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.4 - Locks

Current through Register 1525, July 5, 2024
Egress doors are permitted to be locked in accordance with
				  the applicable use condition. Doors from a refuge area to the exterior are
				  permitted to be locked with a key in lieu of locking methods described in
				  Section 408.4.1. The keys to unlock the exterior doors shall be available at
				  all times and the locks shall be operable from both sides of the door.
408.4.1
Remote release.
Remote
				release of locks on doors in a
means of egress
shall be
				provided with reliable means of operation, remote from the resident living
				areas, to release locks on all required doors. In Occupancy Conditions 3 or 4,
				the arrangement, accessibility and security of the release mechanism(s)
				required for egress shall be such that with the minimum available staff at any
				time, the lock mechanisms are capable of being released within 2 minutes.
Exception:
Provisions for remote locking and
				  unlocking of occupied rooms in Occupancy Condition 4 are not required provided
				  that not more than 10 locks are necessary to be unlocked in order to move
				  occupants from one smoke compartment to a refuge area within 3 minutes. The
				  opening of necessary locks shall be accomplished with not more than two
				  separate keys.
408.4.2
Power-operated doors and locks.
Power-operated sliding doors or
				power-operated locks for swinging doors shall be operable by a manual release
				mechanism at the door, and either emergency power or a remote mechanical
				operating release shall be provided.
Exception:
Emergency power is not required in
				  facilities with 10 locks or less complying with the exception to Section
				  408.4.1.
408.4.3
Redundant operation.
Remote release, mechanically operated sliding doors
				or remote release, mechanically operated locks shall be provided with a
				mechanically operated release mechanism at each door, or shall be provided with
				a redundant remote release control.
408.4.4
Relock capability.
Doors
				remotely unlocked under emergency conditions shall not automatically relock
				when closed unless specific action is taken at the remote location to enable
				doors to relock.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.5 - Protection of vertical openings

Current through Register 1525, July 5, 2024
Any vertical opening shall be protected by a shaft enclosure
				  in accordance with Section 708, or shall be in accordance with Section
				  408.5.1.
408.5.1
Floor
				openings.
Openings in floors within a housing unit are permitted without
				a shaft enclosure, provided all of the following conditions are met:
1. The entire normally occupied areas so
				interconnected are open and unobstructed so as to enable observation of the
				areas by supervisory personnel;
2.
Means of egress
capacity is sufficient for all occupants from
				all interconnected cell tiers and areas;
3. The height difference between the floor
				levels of the highest and lowest cell tiers shall not exceed 23 feet (7010 mm);
				and
4. Egress from any portion of
				the cell tier to an
exit
or
exit
access
door shall not require travel on more than one
				additional floor level within the housing unit.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.6 - Smoke barrier

Current through Register 1525, July 5, 2024
Occupancies in Group I-3 shall have
smoke
				  barriers
complying with Sections 408.8 and 710 to divide every
story
occupied by residents for sleeping, or any other
story
having an
occupant load
of 50 or more
				  persons, into at least two smoke compartments.
Exception:
Spaces having a direct
exit
to one of the following, provided that the locking
				  arrangement of the doors involved complies with the requirements for doors at
				  the
smoke barrier
for the use condition involved:
1. A
public way
.
2. A building separated from the resident
				housing area by a 2-hour fire-resistance-rated assembly or 50 feet (15 240 mm)
				of open space.
3. A secured
yard
or
court
having a holding space 50 feet
				(15 240 mm) from the housing area that provides 6 square feet (0.56
				m2) or more of refuge area per occupant, including
				residents, staff and visitors.
408.6.1
Smoke compartments.
The maximum number of residents in any smoke
				compartment shall be 200. The travel distance to a door in a
smoke
				barrier
from any room door required as
exit
access
shall not exceed 150 feet (45 720 mm). The travel
				distance to a door in a
smoke barrier
from any point in a room
				shall not exceed 200 feet (60 960 mm).
408.6.2
Refuge area.
At least 6
				net square feet (0.56 m2) per occupant shall be
				provided on each side of each
smoke barrier
for the total
				number of occupants in adjoining smoke compartments. This space shall be
				readily available wherever the occupants are moved across the
smoke
				barrier
in a fire emergency.
408.6.3
Independent egress.
A
means of egress
shall be provided from each smoke compartment
				created by smoke barriers without having to return through the smoke
				compartment from which
means of egress
originates.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.7 - Security glazing

Current through Register 1525, July 5, 2024
In occupancies in Group I-3, windows and doors in 1-hour
				  fire barriers constructed in accordance with Section 707, fire partitions
				  constructed in accordance with Section 709 and smoke barriers constructed in
				  accordance with Section 710 shall be permitted to have security glazing
				  installed provided that the following conditions are met.
1. Individual panels of glazing shall not
				exceed 1,296 square inches (0.84 m2).
2. The glazing shall be protected on both
				sides by an
automatic sprinkler system
. The sprinkler system
				shall be designed to, when actuated, wet completely the entire surface of any
				glazing affected by fire.
3. The
				glazing shall be in a gasketed frame and installed in such a manner that the
				framing system will deflect without breaking (loading) the glass before the
				sprinkler system operates.
4.
				Obstructions, such as curtain rods, drapery traverse rods, curtains, drapes or
				similar materials shall not be installed between the automatic sprinklers and
				the glazing.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.8 - Subdivision of resident housing areas

Current through Register 1525, July 5, 2024
Sleeping areas and any contiguous day room, group activity
				  space or other common spaces where residents are housed shall be separated from
				  other spaces in accordance with Sections 408.8.1 through 408.8.4.
408.8.1
Occupancy Conditions 3 and
				4.
Each sleeping area in Occupancy Conditions 3 and 4 shall be separated
				from the adjacent common spaces by a smoke-tight partition where the travel
				distance from the sleeping area through the common space to the
corridor
exceeds 50 feet (15 240 mm).
408.8.2
Occupancy Condition 5.
Each sleeping area in Occupancy Condition 5 shall be separated from adjacent
				sleeping areas,
corridors
and common spaces by a smoke- tight
				partition. Additionally, common spaces shall be separated from the
corridor
by a smoke-tight partition.
408.8.3
Openings in room face.
The aggregate area of openings in a solid sleeping room face in Occupancy
				Conditions 2, 3, 4 and 5 shall not exceed 120 square inches (77 419
				mm2). The aggregate area shall include all openings
				including door undercuts, food passes and grilles. Openings shall be not more
				than 36 inches (914 mm) above the floor. In Occupancy Condition 5, the openings
				shall be closeable from the room side.
408.8.4
Smoke-tight doors.
Doors
				in openings in partitions required to be smoke tight by Section 408.8 shall be
				substantial doors, of construction that will resist the passage of smoke.
				Latches and door closures are not required on cell doors.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.9 - Windowless buildings

Current through Register 1525, July 5, 2024
For the purposes of this section, a windowless building or
				  portion of a building is one with nonopenable windows, windows not readily
				  breakable or without windows. Windowless buildings shall be provided with an
				  engineered smoke control system to provide a tenable environment for exiting
				  from the smoke compartment in the area of fire origin in accordance with
				  Section 909 for each windowless smoke compartment.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 408 - GROUP I-3 › Subsection 408.10 - Fire alarm system

Current through Register 1525, July 5, 2024
A fire alarm system shall be provided in accordance with
				  Section 907.2.6.3. [F]
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 409 - MOTION PICTURE PROJECTION ROOMS › Subsection 409.1 - General

Current through Register 1525, July 5, 2024
The provisions of Sections 409.1 through 409.5 shall apply
				  to rooms in which ribbon-type cellulose acetate or other safety film is
				  utilized in conjunction with electric arc, xenon or other light-source
				  projection equipment that develops hazardous gases, dust or radiation. Where
				  cellulose nitrate film is utilized or stored, such rooms shall comply with NFPA
				  40.
409.1.1
Projection room
				required.
Every motion picture machine projecting film as mentioned
				within the scope of this section shall be enclosed in a projection room.
				Appurtenant electrical equipment, such as rheostats, transformers and
				generators, shall be within the projection room or in an adjacent room of
				equivalent construction.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 409 - MOTION PICTURE PROJECTION ROOMS › Subsection 409.2 - Construction of projection rooms

Current through Register 1525, July 5, 2024
Every projection room shall be of permanent construction
				  consistent with the construction requirements for the type of building in which
				  the projection room is located. Openings are not required to be
				  protected.
The room shall have a floor area of not less than 80 square
				  feet (7.44 m2) for a single machine and at least 40
				  square feet (3.7 m2) for each additional machine.
				  Each motion picture projector, floodlight, spotlight or similar piece of
				  equipment shall have a clear working space of not less than 30 inches by 30
				  inches (762 mm by 762 mm) on each side and at the rear thereof, but only one
				  such space shall be required between two adjacent projectors. The projection
				  room and the rooms appurtenant thereto shall have a ceiling height of not less
				  than 7 feet 6 inches (2286 mm). The aggregate of openings for projection
				  equipment shall not exceed 25 percent of the area of the wall between the
				  projection room and the auditorium. Openings shall be provided with glass or
				  other
approved
material, so as to close completely the
				  opening.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 4 - Special Detailed Requirements Based on Use and Occupancy › Section 409 - MOTION PICTURE PROJECTION ROOMS › Subsection 409.3 - Projection room and equipment ventilation

Current through Register 1525, July 5, 2024
Ventilation shall be provided in accordance with the
International Mechanical Code
.
409.3.1
Supply air.
Each
				projection room shall be provided with adequate air supply inlets so arranged
				as to provide well-distributed air throughout the room. Air inlet ducts shall
				provide an amount of air equivalent to the amount of air being exhausted by
				projection equipment. Air is permitted to be taken from the outside; from
				adjacent spaces within the building, provided the volume and infiltration rate
				is sufficient; or from the building air-conditioning system, provided it is so
				arranged as to provide sufficient air when other systems are not in
				operation.
409.3.2
Exhaust
				air.
Projection rooms are permitted to be exhausted through the lamp
				exhaust system. The lamp exhaust system shall be positively interconnected with
				the lamp so that the lamp will not operate unless there is the required
				airflow. Exhaust air ducts shall terminate at the exterior of the building in
				such a location that the exhaust air cannot be readily recirculated into any
				air supply system. The projection room ventilation system is permitted to also
				serve appurtenant rooms, such as the generator and rewind rooms.
409.3.3
Projection machines.
Each projection machine shall be provided with an exhaust duct that will draw
				air from each lamp and exhaust it directly to the outside of the building. The
				lamp exhaust is permitted to serve to exhaust air from the projection room to
				provide room air circulation. Such ducts shall be of rigid materials, except
				for a flexible connector
approved
for the purpose. The
				projection lamp or projection room exhaust system, or both, is permitted to be
				combined but shall not be interconnected with any other exhaust or return
				system, or both, within the building.