reglab/statecodes huggingface dataset:
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.3 - Sprinklered, one story

Current through Register 1525, July 5, 2024
The area of a Group B, F, M or S building no more than one
story above grade plane
, or a Group A-4 building no more than
				  one
story
above
grade plane
of other than
				  Type V construction, shall not be limited when the building is provided with an
automatic sprinkler system
throughout in accordance with
				  Section 903.3.1.1 and is surrounded and adjoined by
public
				  ways
or
yards
not less than 60 feet (18 288 mm) in
				  width.
Exceptions:
1. Buildings and structures of Types I and II
				construction for rack storage facilities that do not have access by the public
				shall not be limited in height, provided that such buildings conform to the
				requirements of Sections 507.3, 903.3.1.1 and Chapter 23 of the
International Fire Code
.
2. The
automatic sprinkler
				system
shall not be required in areas occupied for indoor participant
				sports, such as tennis, skating, swimming and equestrian activities in
				occupancies in Group A-4, provided that:
2.1.
Exit
doors directly to the outside are provided for occupants
				of the participant sports areas; and
2.2. The building is equipped with a fire
				alarm system with manual fire alarm boxes installed in accordance with Section
				907.
507.3.1
Mixed occupancy buildings
				with Groups A-1 and A-2.
Group A-1 and A-2 occupancies of other than
				Type V construction shall be permitted within mixed occupancy buildings of
				unlimited area complying with Section 507.3, provided:
1. Group A-1 and A-2 occupancies are
				separated from other occupancies as required for separated occupancies in
				Section 508.4.4 with no reduction allowed in the
fire-resistance
				rating
of the separation based upon the installation of an
automatic sprinkler system
;
2. Each area of the portions of the building
				used for Group A-1 or A-2 occupancies shall not exceed the maximum allowable
				area permitted for such occupancies in Section 503.1; and
3. All
exit
doors from Group
				A-1 and A-2 occupancies shall discharge directly to the exterior of the
				building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.4 - Two story

Current through Register 1525, July 5, 2024
The area of a Group B, F, M or S building no more than two
stories
above
grade plane
shall not be
				  limited when the building is equipped throughout with an
automatic
				  sprinkler system
in accordance with Section 903.3.1.1, and is
				  surrounded and adjoined by
public ways
or
yards
not less than 60 feet (18 288 mm) in
				  width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.5 - Reduced open space

Current through Register 1525, July 5, 2024
The
public ways
or
yards
of 60 feet (18 288 mm) in width required in Sections 507.2, 507.3, 507.4, 507.6
				  and 507.11 shall be permitted to be reduced to not less than 40 feet (12 192
				  mm) in width provided all of the following requirements are met:
1. The reduced width shall not be allowed for
				more than 75 percent of the perimeter of the building.
2. The
exterior walls
facing
				the reduced width shall have a minimum
fire-resistance rating
of 3 hours.
3. Openings in the
exterior walls
facing the reduced width shall have opening
				protectives with a minimum
fire protection rating
of 3
				hours.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.6 - Group A-3 buildings of Type II construction

Current through Register 1525, July 5, 2024
The area of a Group A-3 building no more than one
story
above
grade plane
, used as a
place of religious worship
, community hall, dance hall,
				  exhibition hall, gymnasium, lecture hall, indoor swimming pool or tennis court
				  of Type II construction, shall not be limited when all of the following
				  criteria are met:
1. The building
				shall not have a stage other than a platform.
2. The building shall be equipped throughout
				with an
automatic sprinkler system
in accordance with Section
				903.3.1.1.
3. The building shall be
				surrounded and adjoined by
public ways
or
yards
not less than 60 feet (18 288 mm) in width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.7 - Group A-3 buildings of Types III and IV construction

Current through Register 1525, July 5, 2024
The area of a Group A-3 building no more than one
story
above
grade plane
,
				  used as a
place of religious worship
, community hall, dance
				  hall, exhibition hall, gymnasium, lecture hall, indoor swimming pool or tennis
				  court of Type III or IV construction, shall not be limited when all of the
				  following criteria are met:
1. The
				building shall not have a stage other than a platform.
2. The building shall be equipped throughout
				with an
automatic sprinkler system
in accordance with Section
				903.3.1.1.
3. The assembly floor
				shall be located at or within 21 inches (533 mm) of street or grade level and
				all
exits
are provided with ramps complying with Section
				1010.1 to the street or grade level.
4. The building shall be surrounded and
				adjoined by
public ways
or
yards
not less
				than 60 feet (18 288 mm) in width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.8 - Group H occupancies

Current through Register 1525, July 5, 2024
Group H-2, H-3 and H-4 occupancies shall be permitted in
				  unlimited area buildings containing Group F and S occupancies, in accordance
				  with Sections 507.3 and 507.4 and the limitations of this section. The
				  aggregate floor area of the Group H occupancies located at the perimeter of the
				  unlimited area building shall not exceed 10 percent of the area of the building
				  nor the area limitations for the Group H occupancies as specified in Table 503
				  as modified by Section 506.2, based upon the percentage of the perimeter of
				  each Group H floor area that fronts on a street or other unoccupied space. The
				  aggregate floor area of Group H occupancies not located at the perimeter of the
				  building shall not exceed 25 percent of the area limitations for the Group H
				  occupancies as specified in Table 503. Group H occupancies shall be separated
				  from the rest of the unlimited area building and from each other in accordance
				  with Table 508.4. For two-story unlimited area buildings, the Group H
				  occupancies shall not be located more than one
story
above
grade plane
unless permitted by the
				  allowable height in stories and feet as set forth in Table 503 based on the
				  type of construction of the unlimited area building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.9 - Aircraft paint hangar

Current through Register 1525, July 5, 2024
The area of a Group H-2 aircraft paint hangar no more than
				  one
story
above
grade plane
shall not be limited where such aircraft paint hangar complies with the
				  provisions of Section 412.6 and is surrounded and adjoined by
public
				  ways
or
yards
not less in width than one and one-half
				  times the
building height
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.10 - Group E buildings

Current through Register 1525, July 5, 2024
The area of a Group E building no more than one
story
above
grade plane
, of
				  Type II, IIIA or IV construction, shall not be limited when all of the
				  following criteria are met:
1. Each
				classroom shall have not less than two
means of egress
, with
				one of the
means of egress
being a direct
exit
to the outside of the building complying with Section
				1020.
2. The building is equipped
				throughout with an
automatic sprinkler system
in accordance
				with Section 903.3.1.1.
3. The
				building is surrounded and adjoined by
public ways
or
yards
not less than 60 feet (18 288 mm) in width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.11 - Motion picture theaters

Current through Register 1525, July 5, 2024
In buildings of Type II construction, the area of a motion
				  picture theater located on the first
story
above
grade plane
shall not be limited when
				  the building is provided with an
automatic sprinkler system
throughout in accordance with Section 903.3.1.1 and is surrounded and adjoined
				  by
public ways
or
yards
not less than 60 feet
				  (18 288 mm) in width.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 507 - UNLIMITED AREA BUILDINGS › Subsection 507.12 - Covered mall buildings and anchor stores

Current through Register 1525, July 5, 2024
The area of
covered mall buildings
and
anchor stores
not exceeding three
stories
in
				  height that comply with Section 402.6 shall not be limited.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 508 - MIXED USE AND OCCUPANCY › Subsection 508.1 - General

Current through Register 1525, July 5, 2024
Each portion of a building shall be individually classified
				  in accordance with Section 302.1. Where a building contains more than one
				  occupancy group, the building or portion thereof shall comply with the
				  applicable provisions of Section 508.2, 508.3 or 508.4, or a combination of
				  these sections.
Exceptions:
1. Occupancies separated in accordance with
				Section 509.
2. Where required by
				Table 415.3.2, areas of Group H-1, H-2 and H-3 occupancies shall be located in
				a separate and detached building or structure.
3. Uses within live/work units, complying
				with Section 419, are not considered separate occupancies.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 508 - MIXED USE AND OCCUPANCY › Subsection 508.2 - Accessory occupancies

Current through Register 1525, July 5, 2024
Accessory occupancies are those occupancies that are
				  ancillary to the main occupancy of the building or portion thereof. Accessory
				  occupancies shall comply with the provisions of Sections 508.2.1 through
				  508.2.5.3.
508.2.1
Area
				limitations.
Aggregate accessory occupancies shall not occupy more than
				10 percent of the
building area
of the
story
in which they are located and shall not exceed the tabular values in Table 503,
				without
building area
increases in accordance with Section 506
				for such accessory occupancies.
508.2.2
Occupancy classification.
Accessory occupancies shall be individually classified in accordance
				with Section 302.1. The requirements of this code shall apply to each portion
				of the building based on the occupancy classification of that space.
508.2.3
Allowable building area and
				height.
The allowable
building area and height
of the
				building shall be based on the allowable
building area and
				height
for the main occupancy in accordance with Section 503.1. The
				height of each accessory occupancy shall not exceed the tabular values in Table
				503, without increases in accordance with Section 504 for such accessory
				occupancies. The
building area
of the accessory occupancies
				shall be in accordance with Section 508.2.1.
508.2.4
Separation of occupancies.
No separation is required between accessory occupancies and the main
				occupancy.
Exceptions:
1. Group H-2, H-3, H-4 and H-5 occupancies
				shall be separated from all other occupancies in accordance with Section
				508.4.
2. Incidental accessory
				occupancies required to be separated or protected by Section 508.2.5.
3. Group I-1, R-1, R-2 and R-3
dwelling
units
and
sleeping
				units
shall be separated from other
dwelling
or
sleeping units
and from accessory occupancies contiguous to
				them in accordance with the requirements of Section 420.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 508 - MIXED USE AND OCCUPANCY › Subsection 508.3 - Nonseparated occupancies

Current through Register 1525, July 5, 2024
Buildings or portions of buildings that comply with the
				  provisions of this section shall be considered as nonseparated
				  occupancies.
508.3.1
Occupancy
				classification.
Nonseparated occupancies shall be individually
				classified in accordance with Section 302.1. The requirements of this code
				shall apply to each portion of the building based on the occupancy
				classification of that space except that the most restrictive applicable
				provisions of Section 403 and Chapter 9 shall apply to the building or portion
				thereof in which the nonseparated occupancies are located.
508.3.2
Allowable building area and
				height.
The allowable
building area
and
				height
of the building or portion thereof shall be based on the most
				restrictive allowances for the occupancy groups under consideration for the
				type of construction of the building in accordance with Section
				503.1.
508.3.3
Separation.
No separation is required between nonseparated occupancies.
Exceptions:
1. Group H-2, H-3, H-4 and H-5 occupancies
				shall be separated from all other occupancies in accordance with Section
				508.4.
2. Group I-1, R-1, R-2 and
				R-3
dwelling
units
and
sleeping
				units
shall be separated from other
dwelling
or
sleeping units
and from other occupancies contiguous to them
				in accordance with the requirements of Section 420.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 508 - MIXED USE AND OCCUPANCY › Subsection 508.4 - Separated occupancies

Current through Register 1525, July 5, 2024
Buildings or portions of buildings that comply with the
				  provisions of this section shall be considered as separated occupancies.
TABLE 508.4 REQUIRED SEPARATION OF OCCUPANCIES
				  (hours)
OCCUPANCY
Ad, E
I-1, I-3, I-4
I-2
R
F-2, S-2b, U
B, F-1, M, S-1
H-1
H-2
H-3, H-4, H-5
S
NS
S
NS
S
NS
S
NS
S
NS
S
NS
S
NS
S
NS
S
NS
A d, E
N
N
1
2
2
NP
1
2
N
1
1
2
NP
NP
3
4
2
3 a
I-1, I-3, I-4
-
-
N
N
2
NP
1
NP
1
2
1
2
NP
NP
3
NP
2
NP
I-2
-
-
-
-
N
N
2
NP
2
NP
2
NP
NP
NP
3
NP
2
NP
R
-
-
-
-
-
-
N
N
1 c
2 c
1
2
NP
NP
3
NP
2
NP
F-2, S-2b, U
-
-
-
-
-
-
-
-
N
N
1
2
NP
NP
3
4
2
3 a
B, F-1, M, S-1
-
-
-
-
-
-
-
-
-
-
N
N
NP
NP
2
3
1
2 a
H-1
-
-
-
-
-
-
-
-
-
-
-
-
N
NP
NP
NP
NP
NP
H-2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
N
NP
1
NP
H-3, H-4, H-5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1 e, f
NP
S = Buildings equipped throughout with an automatic
							 sprinkler system installed in accordance with Section 903.3.1.1.
NS
							 = Buildings not equipped throughout with an automatic sprinkler system
							 installed in accordance with Section 903.3.1.1.
N = No separation
							 requirement.
NP = Not permitted.
a. For Group H-5
							 occupancies, see Section 903.2.5.2.
b. The required separation from
							 areas used only for private or pleasure vehicles shall be reduced by 1 hour but
							 to not less than 1 hour.
c. See Section 406.1.4.
d.
							 Commercial kitchens need not be separated from the restaurant seating areas
							 that they serve.
e. Separation is not required between occupancies
							 of the same classification.
f. For H-5 occupancies, see Section
							 415.8.2.2.
508.4.1
Occupancy classification.
Separated occupancies shall be individually
				classified in accordance with Section 302.1. Each separated space shall comply
				with this code based on the occupancy classification of that portion of the
				building.
508.4.2
Allowable
				building area.
In each
story
, the
building
				area
shall be such that the sum of the ratios of the actual
building area
of each separated occupancy divided by the
				allowable
building
area of each separated occupancy shall not
				exceed 1.
508.4.3
Allowable
				height.
Each separated occupancy shall comply with the
building
				height
limitations based on the type of construction of the building
				in accordance with Section 503.1.
Exception:
Special provisions permitted by
				  Section 509.
508.4.4
Separation.
Individual occupancies shall be separated from adjacent
				occupancies in accordance with Table 508.4.
508.4.4.1
Construction.
Required
				separations shall be fire barriers constructed in accordance with Section 707
				or horizontal assemblies constructed in accordance with Section 712, or both,
				so as to completely separate adjacent occupancies.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.1 - General

Current through Register 1525, July 5, 2024
The provisions in this section shall permit the use of
				  special conditions that are exempt from, or modify, the specific requirements
				  of this chapter regarding the allowable heights and areas of buildings based on
				  the occupancy classification and type of construction, provided the special
				  condition complies with the provisions specified in this section for such
				  condition and other applicable requirements of this code. The provisions of
				  Sections 509.2 through 509.8 are to be considered independent and separate from
				  each other.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.2 - Horizontal building separation allowance

Current through Register 1525, July 5, 2024
A building shall be considered as separate and distinct
				  buildings for the purpose of determining area limitations, continuity of
fire walls
, limitation of number of
stories
and type of construction where all of the following conditions are met:
1. The buildings are separated with a
horizontal assembly
having a minimum 3-hour
fire-resistance rating
.
2. The building below the
horizontal
				assembly
is no more than one
story
above
grade plane
.
3. The building below the
horizontal
				assembly
is of Type IA construction.
4. Shaft,
stairway
, ramp and
				escalator enclosures through the
horizontal assembly
shall
				have not less than a 2-hour
fire-resistance rating
with
				opening protectives in accordance with Section 715.4.
Exception:
Where the enclosure walls below the
horizontal assembly
have not less than a 3-hour
fire-resistance rating
with opening protectives in accordance
				  with Section 715.4, the enclosure walls extending above the
horizontal
				  assembly
shall be permitted to have a 1-hour
fire-resistance
				  rating
, provided:
1. The
				building above the
horizontal assembly
is not required to be
				of Type I construction;
2. The
				enclosure connects less than four
stories
; and
3. The enclosure opening protectives above
				the
horizontal assembly
have a minimum 1-hour
fire
				protection rating
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.3 - Group S-2 enclosed parking garage with Group S-2 open parking garage above

Current through Register 1525, July 5, 2024
A Group S-2 enclosed parking garage with no more than one
story
above
grade plane
and located below a
				  Group S-2
open parking garage
shall be classified as a
				  separate and distinct building for the purpose of determining the type of
				  construction where all of the following conditions are met:
1. The allowable area of the building shall
				be such that the sum of the ratios of the actual area divided by the allowable
				area for each separate occupancy shall not exceed 1.
2. The Group S-2 enclosed parking garage is
				of Type I or II construction and is at least equal to the
fire-resistance
requirements of the Group S-2
open
				parking garage
.
3. The
				height and the number of tiers of the Group S-2
open parking
				garage
shall be limited as specified in Table 406.3.5.
4. The floor assembly separating the Group
				S-2 enclosed parking garage and Group S-2
open parking garage
shall be protected as required for the floor assembly of the Group S-2 enclosed
				parking garage. Openings between the Group S-2 enclosed parking garage and
				Group S-2
open parking garage
, except
exit
openings, shall not be required to be protected.
5. The Group S-2 enclosed parking garage is
				used exclusively for the parking or storage of private motor vehicles, but
				shall be permitted to contain an office, waiting room and toilet room having a
				total area of not more than 1,000 square feet (93
				m2), and mechanical equipment rooms incidental to
				the operation of the building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.4 - Parking beneath Group R

Current through Register 1525, July 5, 2024
Where a maximum one
story above
grade plane
Group S-2 parking garage, enclosed or open, or
				  combination thereof, of Type I construction or open of Type IV construction,
				  with grade entrance, is provided under a building of Group R, the number of
				  stories to be used in determining the minimum type of construction shall be
				  measured from the floor above such a parking area. The floor assembly between
				  the parking garage and the Group R above shall comply with the type of
				  construction required for the parking garage and shall also provide a
fire-resistance rating
not less than the mixed occupancy
				  separation required in Section 508.4.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.5 - Group R-1 and R-2 buildings of Type IIIA construction

Current through Register 1525, July 5, 2024
The height limitation for buildings of Type IIIA
				  construction in Groups R-1 and R-2 shall be increased to six
stories
and 75 feet (22 860 mm) where the first floor assembly
				  above the basement has a
fire-resistance rating
of not less
				  than 3 hours and the floor area is subdivided by 2-hour fire-resistance-rated
fire walls
into areas of not more than 3,000 square feet (279
				  m2).
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.6 - Group R-1 and R-2 buildings of Type IIA construction

Current through Register 1525, July 5, 2024
The height limitation for buildings of Type IIA construction
				  in Groups R-1 and R-2 shall be increased to nine
stories
and
				  100 feet (30 480 mm) where the building is separated by not less than 50 feet
				  (15 240 mm) from any other building on the lot and from
lot
				  lines
, the
exits
are segregated in an area enclosed
				  by a 2-hour fire-resistance-rated
fire wall
and the first
				  floor assembly has a
fire-resistance rating
of not less than
				  11/2 hours.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.7 - Open parking garage beneath Groups A, I, B, M and R

Current through Register 1525, July 5, 2024
Open parking garages
constructed under
				  Groups A, I, B, M and R shall not exceed the height and area limitations
				  permitted under Section 406.3. The height and area of the portion of the
				  building above the
open parking garage
shall not exceed the
				  limitations in Section 503 for the upper occupancy. The height, in both feet
				  and stories, of the portion of the building above the
open parking
				  garage
shall be measured from
grade plane
and shall
				  include both the
open parking garage
and the portion of the
				  building above the parking garage.
509.7.1
Fire separation.
Fire barriers
constructed in accordance with Section 707 or
horizontal assemblies
constructed in accordance with Section
				712 between the parking occupancy and the upper occupancy shall correspond to
				the required
fire-resistance rating
prescribed in Table 508.4
				for the uses involved. The type of construction shall apply to each occupancy
				individually, except that structural members, including main bracing within the
open
parking structure, which is necessary to support the
				upper occupancy, shall be protected with the more restrictive
				fire-resistance-rated assemblies of the groups involved as shown in Table 601.
Means of egress
for the upper occupancy shall conform to
				Chapter 10 and shall be separated from the parking occupancy by
fire
				barriers
having at least a 2-hour
fire-resistance
				rating
as required by Section 706 with self-closing doors complying
				with Section 715 or horizontal assemblies having at least a 2-hour
fire-resistance rating
as required by Section 712, with
				self-closing doors complying with Section 715.
Means of egress
from the
open parking garage
shall comply with Section
				406.3.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.8 - Group B or M with Group S-2 open parking garage

Current through Register 1525, July 5, 2024
Group B or M occupancies located no higher than the first
story
above
grade plane
shall be considered
				  as a separate and distinct building for the purpose of determining the type of
				  construction where all of the following conditions are met:
1. The buildings are separated with a
horizontal assembly
having a minimum 2-hour
fire-resistance rating
.
2. The occupancies in the building below the
horizontal assembly
are limited to Groups B and M.
3. The occupancy above the
horizontal
				assembly
is limited to a Group S-2
open parking
				garage
.
4. The building
				below the
horizontal assembly
is of Type I or II construction
				but not less than the type of construction required for the Group S-2
open parking garage
above.
5. The height and area of the building below
				the
horizontal assembly
does not exceed the limits set forth
				in Section 503.
6. The height and
				area of the Group S-2
open parking garage
does not exceed the
				limits set forth in Section 406.3. The height, in both feet and stories, of the
				Group S-2
open parking garage
shall be measured from
grade plane
and shall include the building below the
horizontal assembly
.
7. Exits serving the Group S-2
open
				parking garage
discharge directly to a street or
public
				way
and are separated from the building below the
horizontal
				assembly
by 2-hour
fire barriers
constructed in
				accordance with Section 707 or 2-hour
horizontal assemblies
constructed in accordance with Section 712, or both.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 5 - General Building Heights and Areas › Section 509 - SPECIAL PROVISIONS › Subsection 509.9 - Multiple buildings above Group S-2 parking garages

Current through Register 1525, July 5, 2024
Where two or more buildings are provided above the
horizontal assembly
separating a Group S-2
open
or closed
parking garage
from the
				  buildings above in accordance with the special provisions in Sections 509.2,
				  509.3 or 509.8, the buildings above the
horizontal assembly
shall be regarded as separate and distinct buildings from each other and shall
				  comply with all other provisions of this code as applicable to each separate
				  and distinct building.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 6 - Types of Construction › Section 602 - CONSTRUCTION CLASSIFICATION › Subsection 602.1 - General

Current through Register 1525, July 5, 2024
Buildings and structures erected or to be erected, altered
				  or extended in height or area shall be classified in one of the five
				  construction types defined in Sections 602.2 through 602.5. The building
				  elements shall have a
fire-resistance rating
not less than
				  that specified in Table 601 and exterior walls shall have a
fire-resistance rating
not less than that specified in Table
				  602. Where required to have a
fire-resistance rating
by Table
				  601, building elements shall comply with the applicable provisions of Section
				  703.2. The protection of openings, ducts and air transfer openings in building
				  elements shall not be required unless required by other provisions of this
				  code.
602.1.1
Minimum
				requirements.
A building or portion thereof shall not be required to
				conform to the details of a type of construction higher than that type which
				meets the minimum requirements based on occupancy even though certain features
				of such a building actually conform to a higher type of construction.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 6 - Types of Construction › Section 602 - CONSTRUCTION CLASSIFICATION › Subsection 602.2 - Types I and II

Current through Register 1525, July 5, 2024
Types I and II construction are those types of construction
				  in which the building elements listed in Table 601 are of noncombustible
				  materials, except as permitted in Section 603 and elsewhere in this
				  code.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 6 - Types of Construction › Section 602 - CONSTRUCTION CLASSIFICATION › Subsection 602.3 - Type III

Current through Register 1525, July 5, 2024
Type III construction is that type of construction in which
				  the exterior walls are of noncombustible materials and the interior building
				  elements are of any material permitted by this code.
Fire-retardant-treated wood
framing complying with Section
				  2303.2 shall be permitted within
exterior wall
assemblies of a
				  2-hour rating or less.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 6 - Types of Construction › Section 602 - CONSTRUCTION CLASSIFICATION › Subsection 602.5 - Type V

Current through Register 1525, July 5, 2024
Type V construction is that type of construction in which
				  the structural elements,
exterior walls
and interior walls are
				  of any materials permitted by this code.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 6 - Types of Construction › Section 603 - COMBUSTIBLE MATERIAL IN TYPE I AND II CONSTRUCTION › Subsection 603.1 - Allowable materials

Current through Register 1525, July 5, 2024
Combustible materials shall be permitted in buildings of
				  Type I or II construction in the following applications and in accordance with
				  Sections 603.1.1 through 603.1.3:
1.
Fire-retardant-treated wood
shall be permitted in:
1.1. Nonbearing partitions where the required
fire-resistance rating
is 2 hours or less.
1.2. Nonbearing
exterior
				walls
where no fire rating is required.
1.3. Roof construction, including girders,
				trusses, framing and decking.
Exception:
In buildings of Type IA construction
				  exceeding two
stories above
grade plane
,
fire-retardant-treated wood
is not permitted in roof
				  construction when the vertical distance from the upper floor to the roof is
				  less than 20 feet (6096 mm).
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 701 - GENERAL › Subsection 701.1 - Scope

Current through Register 1525, July 5, 2024
The provisions of this chapter shall govern the materials,
				  systems and assemblies used for structural
fire resistance
and
				  fire-resistance-rated construction separation of adjacent spaces to safeguard
				  against the spread of fire and smoke within a building and the spread of fire
				  to or from buildings.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 703 - FIRE-RESISTANCE RATINGS AND FIRE TESTS › Subsection 703.1 - Scope

Current through Register 1525, July 5, 2024
Materials prescribed herein for
fire
				  resistance
shall conform to the requirements of this
				  chapter.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 703 - FIRE-RESISTANCE RATINGS AND FIRE TESTS › Subsection 703.3 - Alternative methods for determining fire resistance

Current through Register 1525, July 5, 2024
The application of any of the alternative methods listed in
				  this section shall be based on the fire exposure and acceptance criteria
				  specified in ASTM E 119 or UL 263. The required
fire
resistance
of a building element, component or assembly shall
				  be permitted to be established by any of the following methods or
				  procedures:
1. Fire-resistance designs
				documented in approved sources.
2.
				Prescriptive designs of fire-resistance-rated building elements, components or
				assemblies as prescribed in Section 720.
3. Calculations in accordance with Section
				721.
4. Engineering analysis based
				on a comparison of building element, component or assemblies designs having
fire-resistance ratings
as determined by the test procedures
				set forth in ASTM E 119 or UL 263.
5. Alternative protection methods as allowed
				by Section 104.11.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 703 - FIRE-RESISTANCE RATINGS AND FIRE TESTS › Subsection 703.4 - Noncombustibility tests

Current through Register 1525, July 5, 2024
The tests indicated in Sections 703.4.1 and 703.4.2 shall
				  serve as criteria for acceptance of building materials as set forth in Sections
				  602.2, 602.3 and 602.4 in Type I, II, III and IV construction. The term
				  "noncombustible" does not apply to the flame spread characteristics of
interior finish
or
trim
materials. A material
				  shall not be classified as a noncombustible building construction material if
				  it is subject to an increase in combustibility or flame spread beyond the
				  limitations herein established through the effects of age, moisture or other
				  atmospheric conditions.
703.4.1
Elementary materials.
Materials required to be noncombustible shall be
				tested in accordance with ASTM E 136.
703.4.2
Composite materials.
Materials having a structural base of noncombustible material as
				determined in accordance with Section 703.4.1 with a surfacing not more than
				0.125 inch (3.18 mm) thick that has a
flame spread index
not
				greater than 50 when tested in accordance with ASTM E 84 or UL 723 shall be
				acceptable as noncombustible materials.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 703 - FIRE-RESISTANCE RATINGS AND FIRE TESTS › Subsection 703.5 - Fire-resistance-rated glazing

Current through Register 1525, July 5, 2024
Fire-resistance-rated glazing, when tested in accordance
				  with ASTM E 119 or UL 263 and complying with the requirements of Section 707,
				  shall be permitted. Fire-resistance-rated glazing shall bear a
label
or other identification showing the name of the
				  manufacturer, the test standard and the identifier "W-XXX," where the "XXX" is
				  the
fire-resistance rating
in minutes. Such
label
or identification shall be issued by an agency and shall
				  be permanently affixed to the glazing.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 703 - FIRE-RESISTANCE RATINGS AND FIRE TESTS › Subsection 703.6 - Marking and identification

Current through Register 1525, July 5, 2024
Fire walls, fire barriers, fire partitions, smoke
				  barriers
and smoke partitions or any other wall required to have
				  protected openings or penetrations shall be effectively and permanently
				  identified with signs or stenciling. Such identification shall:
1. Be located in accessible concealed floor,
				floor-ceiling or
attic
spaces;
2. Be repeated at intervals not exceeding 30
				feet (914 mm) measured horizontally along the wall or partition; and
3. Include lettering not less than 0.5 inch
				(12.7 mm) in height, incorporating the suggested wording: "FIRE AND/OR SMOKE
				BARRIER-PROTECT ALL OPENINGS," or other wording.
Exception:
Walls in Group R-2 occupancies that
				  do not have a removable decorative ceiling allowing access to the concealed
				  space.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.1 - Requirements

Current through Register 1525, July 5, 2024
The
fire-resistance ratings
of structural
				  members and assemblies shall comply with this section and the requirements for
				  the type of construction as specified in Table 601. The
fire-resistance
				  ratings
shall not be less than the ratings required for the
				  fire-resistance-rated assemblies supported by the structural members.
Exception:
Fire barriers, fire
				  partitions, smoke barriers
and
horizontal assemblies
as provided in Sections 707.5, 709.4, 710.4 and 712.4,
				  respectively.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.2 - Column protection

Current through Register 1525, July 5, 2024
Where columns are required to be fire-resistance rated, the
				  entire column shall be provided individual encasement protection by protecting
				  it on all sides for the full column length, including connections to other
				  structural members, with materials having the required
fire-resistance
				  rating.
Where the column extends through a ceiling, the encasement
				  protection shall be continuous from the top of the foundation or floor/ceiling
				  assembly below through the ceiling space to the top of the
				  column.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.3 - Protection of the primary structural frame other than columns

Current through Register 1525, July 5, 2024
Members of the primary structural frame other than columns
				  that are required to have a
fire-resistance rating
and support
				  more than two floors or one floor and roof, or support a
load-bearing
				  wall
or a nonload-bearing wall more than two
stories
high, shall be provided individual encasement protection by protecting them on
				  all sides for their full length, including connections to other structural
				  members, with materials having the required
fire-resistance
rating.
Exception:
Individual encasement protection on
				  all sides shall be permitted on all exposed sides provided the extent of
				  protection is in accordance with the required
fire-resistance
				  rating,
as determined in Section 703.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.4 - Protection of secondary members

Current through Register 1525, July 5, 2024
Secondary members that are required to have a
fire-resistance rating
shall be protected by individual
				  encasement protection, by the membrane or ceiling of a
horizontal
				  assembly
in accordance with Section 712, or by a combination of
				  both.
704.4.1
Light-frame
				construction.
King studs and boundary elements that are integral
				elements in
load-bearing walls
of light-frame construction
				shall be permitted to have required
fire-resistance ratings
provided by the membrane protection provided for the
load-bearing
				wall
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.5 - Truss protection

Current through Register 1525, July 5, 2024
The required thickness and construction of
				  fire-resistance-rated assemblies enclosing trusses shall be based on the
				  results of full-scale tests or combinations of tests on truss components or on
approved
calculations based on such tests that satisfactorily
				  demonstrate that the assembly has the required
fire
				  resistance
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.6 - Attachments to structural members

Current through Register 1525, July 5, 2024
The edges of lugs, brackets, rivets and bolt heads attached
				  to structural members shall be permitted to extend to within 1 inch (25 mm) of
				  the surface of the fire protection.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.7 - Reinforcing

Current through Register 1525, July 5, 2024
Thickness of protection for concrete or masonry
				  reinforcement shall be measured to the outside of the reinforcement except that
				  stirrups and spiral reinforcement ties are permitted to project not more than
				  0.5-inch (12.7 mm) into the protection.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.8 - Embedments and enclosures

Current through Register 1525, July 5, 2024
Pipes, wires, conduits, ducts or other service facilities
				  shall not be embedded in the required fire protective covering of a structural
				  member that is required to be individually encased.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.9 - Impact protection

Current through Register 1525, July 5, 2024
Where the fire protective covering of a structural member is
				  subject to impact damage from moving vehicles, the handling of merchandise or
				  other activity, the fire protective covering shall be protected by corner
				  guards or by a substantial jacket of metal or other noncombustible material to
				  a height adequate to provide full protection, but not less than 5 feet (1524
				  mm) from the finished floor.
Exception:
Corner protection is not required on
				  concrete columns in open or enclosed parking garages.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.10 - Exterior structural members

Current through Register 1525, July 5, 2024
Load-bearing structural members located within the
exterior walls
or on the outside of a building or structure
				  shall be provided with the highest
fire-resistance rating
as
				  determined in accordance with the following:
1. As required by Table 601 for the type of
				building element based on the type of construction of the building;
2. As required by Table 601 for exterior
				bearing walls based on the type of construction; and
3. As required by Table 602 for
exterior walls
based on the
fire separation
				distance
.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.11 - Bottom flange protection

Current through Register 1525, July 5, 2024
Fire protection is not required at the bottom flange of
				  lintels, shelf angles and plates, spanning not more than 6 feet (1829 mm)
				  whether part of the primary structural frame or not, and from the bottom flange
				  of lintels, shelf angles and plates not part of the primary structural frame,
				  regardless of span.
Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 7 - Fire and Smoke Protection Features › Section 704 - FIRE-RESISTANCE RATING OF STRUCTURAL MEMBERS › Subsection 704.12 - Seismic isolation systems

Current through Register 1525, July 5, 2024
Fire-resistance ratings for the isolation system shall meet
				  the
fire-resistance rating
required for the columns, walls or
				  other structural elements in which the isolation system is installed in
				  accordance with Table 601. Isolation systems required to have a
fire-resistance rating
shall be protected with
approved
materials or construction assemblies designed to
				  provide the same degree of
fire resistance
as the structural
				  element in which it is installed when tested in accordance with ASTM E 119 or
				  UL 263 (see Section 703.2).
Such isolation system protection applied to isolator units
				  shall be capable of retarding the transfer of heat to the isolator unit in such
				  a manner that the required gravity load-carrying capacity of the isolator unit
				  will not be impaired after exposure to the standard time-temperature curve fire
				  test prescribed in ASTM E 119 or UL 263 for a duration not less than that
				  required for the
fire-resistance rating
of the structure
				  element in which it is installed.
Such isolation system protection applied to isolator units
				  shall be suitably designed and securely installed so as not to dislodge,
				  loosen, sustain damage or otherwise impair its ability to accommodate the
				  seismic movements for which the isolator unit is designed and to maintain its
				  integrity for the purpose of providing the required fire-resistance
				  protection.