HomeMy WebLinkAboutA GN-2 T
BUILDING CODE REVIEW - FBC 2020 - 7th Edition = _ �= N
ti
.
9 iv
N4 . 0 �
S ' C_ `� d
� i4 �n J
2020 FLORIDA BUILDING CODE, EXISTING BUILDING, 7th EDITION 504.4NUMBEROFSTORIES. SECTION603 _I]
THE MAXIMUM NUMBER OF STORIES OF A BUILDING SHALL NOT EXCEED THE LIMITS SPECIFIED IN TABLE 504.4. COMBUSTIBLE MATERIAL IN 3 = y- H
CHAPTER 11 TABLE 504.4(a,b) TYPES I AND II CONSTRUCTION = _ � _ M�-/�
ADDITIONS ALLOWABLE NUMBER OF STORIES ABOVE GRADE PLANE
to E c N W
N .1
603.1 ALLOWABLE MATERIALS. SECTION 711 s -
TYPE OF CONSTRUCTION N a ° s
OCCUPANCY Combustible materials shall be permitted in buildings of Type I or II construction in the following applications and in FLOOR AND ROOF ASSEMBLIES (continued) ° L E m - E
SECTION 1101 TYPE II accordance with Sections 603.1.1 through 603.1.3: ' ' - a � •2
GENERAL CLASSIFICATION SEE FOOTNOTES L z'° ° d a
1101.1 Scope. A B 1.Fire-retardant-treated wood shall be permitted in: 711.2.3 SUPPORTING CONSTRUCTION. N E_
An addition to a building or structure shall comply with the Florida Building Code as adopted for new construction without 1 .1.Non beaIg partitions where the required fire-resistance rating is 2 hours or less. The supporting construction shall be protected to afford the required fire-resistance rating of the horizontal assembly supported. o ° 45 v
requiring the existing building or structure to comply with any requirements of those codes or of these provisions, except as F-1 NS 4 2 1 .2.Nonbearing exterior walls where fire-resistance-rated construction is not required. _- .� 2 0 �
required by this chapter. Where an addition impacts the existing building or structure, that portion shall comply With this S 5 3 1 .3.Roof construction, including girders,trusses,framing and decking. EXCEPTIONS. r E co
code. t k f 0 G 2 r N M 4 .�
In buildings of Type IIB, IIIB or VB construction,the construction supporting the horizontal assembly is not required to be � -
Exception: In buildings of Type IA construction exceeding two stories above grade plane,fire-retardant-treated wood is not fire-resistance rated at the following: z o
1101.2 Creation or extension of nonconformity. Note: UL=Unlimited, NP =Not Permitted; NS= Buildings not equipped throughout with an automatic sprinkler system; S =Buildings permitted in roof construction where the vertical distance from the upper floor to the roof is less than 20 feet(6096 mm). 1.Horizontal assemblies at the separations of incidental uses as specified by Table 509 provided the required
An addition shall not create or extend any nonconformity in the existing building to which the addition is being made with equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.11 S13R=Buildings equipped 0
fire-resistance rating does not exceed 7 hour.
regard to accessibility, structural strength, fire safety, means of egress, or the capacity of mechanical, plumbing, or throughout with an automatic sprinkler system installed in accordance with Section 903,3.1,2, 2.Thermal and acoustical insulation other than foam plastics, having a flames read index of not more than 25. 2.Horizontal assemblies at the separations of dwelling units and sleeping units as required b Section 420.3. �
electrical systems. a.See Chapters 4 and 5 for specific exceptions to the allowable height in this chapter, p g p p g p g q y C) 10�
b.See Section 903.2 for the minimum thresholds for protection by an automatic sprinkler system for specific occupancies. 3.Horizontal assemblies at smoke barriers constructed in accordance with Section 709. QN,
Exceptions: � � 0� ti
1101.3 Other work. � O Q � � v�
An repair or alteration work within an existing building to which an addition is being made shall comply with the applicable 1.Insulation placed between two layers of noncombustible materials without an intervening airspace shall be allowed to have 711.2.4 FIRE-RESISTANCE RATING. � I W o Q
Y p g 9 g Ply PP SECTION 505 a flames read index of not more than 100. The fire-resistance rating of horizontal assemblies shall comply with Sections 711.2.4.1 through 711 .2.4.6 but shall be not less
re uirements for the work as classified in Cha ter 6. p g p Y g
q P MEZZANINES AND EQUIPMENT PLATFORMS C/3 u- Q W Q
13
2.Insulation installed between a finished floor and solid decking without intervening airspace shall be allowed to have a than that required by the building type of construction. z � ~2 I Q � �
flame spread index of not more than 200.
SECTION 1102 505.1 GENERAL. `r6� ��8 52
6.Millwork such as doors, door frames,window sashes and frames.
HEIGHTS AND AREAS Mezzanines shall comply with Section 505.2. Equipment platforms shall comply with Section 505.3. SECTION714 {, S CGS
7.Interior wall and ceiling finishes installed in accordance with Sections 801 and 803. • FZ�
1102.1 Height limitations. 505.2 MEZZANINES. 8.Trim installed in accordance with Section 806. PENETRATIONS
No addition shall increase the height of an existing building beyond that permitted underthe applicable provisions of A mezzanine or mezzanines in compliance with Section 505.2 shall be considered a portion of the story below, Such 9.Where not installed greater than 15 feet(4572 mm) above grade, show windows, nailing or furring strips and wooden m
9 9 g Y P PP P p p ry 714.1 SCOPE. a)
Chapter 5 of the Florida Building Code, Building for new buildings. mezzanines shall not contribute to either the building area or number of stories as regulated by Section 503.1.The area of the bulkheads below show windows, including their frames,aprons and show cases. THE PROVISIONS OF THIS SECTION SHALL GOVERN THE MATERIALS AND METHODS OF CONSTRUCTION USED TO PROTECT L.L W
mezzanine shall be included in determining the fire area. The clear height above and below the mezzanine floor construction 10.Finish flooring installed in accordance with Section 805. THROUGH PENETRATIONS AND MEMBRANE PENETRATIONS OF HORIZONTAL ASSEMBLIES AND FIRE-RESISTANCE-RATED
1102.2 Area limitations. shall be not less than 7 feet(2134 rim). 1 1.Partitions dividing portions of stores, offices or similar places occupied by one tenant only and that do not establish a WALL ASSEMBLIES, F__ Wood
signed by Brent A.
No addition shall increase the area of an existing building beyond that permitted under the applicable provisions of Chapter corridor servin an occu ant load of 30 or more shall be ermitted to be constructed of fire-retardant-treated wood 1-hour wood
g p P � LLI DN:cn=Brent A.Wood,
5 of the Florida Building Code, Building for new buildings unless fire separation as required by the Florida Building Code, 505.2.1 AREA LIMITATION. fire-resistance-rated construction or of wood panels or similar light construction up to 6 feet(1829 mm)in height. 714.1.1 DUCTS AND Al R TRANSFER OPENINGS. ' Brent A. o=Brent A.Wood
Building is provided. The aggregate area of a mezzanine or mezzanines within a room shall be not greater than one-third of the floor area of that 14.Blocking such as for handrails, millwork,cabinets and window and doorframes. PENETRATIONS OF FIRE-RESISTANCE-RATED WALLS BY DUCTS THAT ARE NOT PROTECTED WITH DAMPERS SHALL Architecture,LLC.,
Exception: I n-filling of floor openings and nonoccupiable appendages such as elevator and exit stairway shafts shall be room or space in which they are located. The enclosed portion of a room shall not be included in a determination of the floor ou=Architecture,
COMPLY WITH SECTIONS 714.3 THROUGH 714.4.3. PENETRATIONS OF HORIZONTAL ASSEMBLIES NOT PROTECTED WITH `n/OO� m
email=erick@bawoodarch.c
permitted beyond that permitted by the Florida Building Code, Building, area of the room in which the mezzanine is located. In determining the allowable mezzanine area, the area of the mezzanine A SHAFT AS PERMITTED BY SECTION 717.6, AND NOT REQUIRED TO BE PROTECTED WITH FIRE DAMPERS BY OTHER Q Wood o ,c=us
shall not be included in the floor area of the room, CHAPTER 7 SECTIONS OF THIS CODE, SHALL COMPLY WITH SECTIONS 714.5 THROUGH 714.6.2. DUCTS AND AIR TRANSFER � -oa�oo�
Date:2021.05.0816:15:39
1102.3 Fire protection systems. FIRE AND SMOKE PROTECTION FEATURES OPENINGS THAT ARE PROTECTED WITH DAMPERS SHALL COMPLY WITH SECTION 717.
Existing fire areas increased by the addition shall comply With Chapter 9 of the Florida Building Code, Building. Exceptions: :E U
Exception: If an existing warehouse is expanded, the addition must comply with the requirements in Chapter 9 of the 1.The aggregate area of mezzanines in buildings and structures of Type I or 11 construction for special industrial SECTION 705 714.2INSTALLATION. Im i..-I
Florida Building Code, Building; however, the existing warehouse need not be updated to meet those requirements so long occupancies in accordance with Section 503.1.1 shall be not greater than two-thirds of the floor area of the room. EXTERIOR WALLS A LISTED PENETRATION FIRESTOP SYSTEM SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S
as it is in compliance With the Florida Building Code, 2001 edition, and with requirements concerning automatic sprinkler INSTALLATION INSTRUCTIONS AND THE LISTING CRITERIA.
systems in Section 903 of the Florida Building Code, Building. 2,7he aggregate area of mezzanines in buildings and structures of Type I or II construction shall be not greater than U
TABLE 705.8 I--I w
one-half of the floor area of the room in buildings and structures equipped throughout with an approved automatic MAXIMUM AREA OF EXTERIOR WALL OPENINGS BASED ON 714.3INSTALLATION DETAILS. ,,
SECTION 1103 sprinkler system in accordance with Section 903,3,1.1 and an approved emergency voice/alarm communication system in FIRE SEPARATION DISTANCE AND DEGREE OF OPENING PROTECTION WHERE SLEEVES ARE USED, THEY SHALL BE SECURELY FASTENED TO THE ASSEMBLY PENETRATED.THE SPACE BETWEEN - C 04
accordance with Section 907,5,2.2, THE ITEM CONTAINED IN THE SLEEVE AND THE SLEEVE ITSELF AND ANY SPACE BETWEEN THE SLEEVE AND THE ASSEMBLY
STRUCTURAL � Q
505.2.2Means of egress. FIRE SEPARATION DISTANCE (FEET) DEGREE OF OPENING PROTECTION ALLOWABLE AREAa PENETRATED SHALL BE PROTECTED IN ACCORDANCE WITH THIS SECTION. INSULATION AND COVERINGS ON OR IN THE co a -
[BS]1103.1Compliance with the Florida Building Code,Building. PENETRATING ITEM SHALL NOT PENETRATE THE ASSEMBLY UNLESS THE SPECIFIC MATERIAL USED HAS BEEN TESTED AS w
Additions to existingbuildin s or structures are new construction and shall comply with the Florida BuildingCode, Building. The means of egress for mezzanines shall comply with the applicable provisions of Chapter 10. � A 0
g ply g' 30 OR GREATER UNPROTECTED NONSPRINKLERED (UP, NS) NO LIMIT PART OF THE ASSEMBLY IN ACCORDANCE WITH THIS SECTION. J 0)
LL
[BS]1103.2Additional gravity loads. 505.2.3 Openness. UNPROTECTED, SPRINKLERED (UP,S)i NO LIMIT
714.4FI RE-RES ISTANCE-RATED WALLS. w M N
A mezzanine shall be open and unobstructed to the room in which such mezzanine is located except for walls not more than 42 PROTECTED (P) NO LIMIT � r-
Existing structural elements supporting any additional gravity loads as a result of additions shall comply with the Florida PENETRATIONS INTO OR THROUGH FIRE WALLS, FIRE BARRIERS, SMOKE BARRIER WALLS AND FIRE PARTITIONS SHALL
BuildingCoda, Building. inches (1067 mm)in height, columns and posts. CV [� U � X
g• COMPLY WITH SECTIONS 714 4.1 THROUGH 714.4.3. PENETRATIONS IN SMOKE BARRIER WALLS SHALL ALSO COMPLY WITH Q z M
For S1: 1 foot= 304.8 mm. SECTION 714.5,4, CV *-- -0 ILL
Exceptions: Exceptions. UP, NS =Unprotected openings in buildings notequipped throu hout with an automatics sprinkler system in accordance with
p pg9 p Y 0 mr
1. Structural elements whose stress is not increased b more than 5 percent. 1.Mezzanines or portions thereof are not required to be open to the room in which the mezzanines are located, provided Section 903.3.1.1. M
Y P 714.4,1THROUGH PENETRATIONS. C�
that the occupant load of the aggregate area of the enclosed space is not greater than 10, � aa)
2. Buildings of Group R occupancy with no more than five dwelling units or sleeping units used solely for residential UP, S = Unprotected openings in buildings equipped throughout with an automatic sprinkler system in accordance with Section THROUGH PENETRATIONS OF FIRE-RESISTANCE-RATED WALLS SHALL COMPLY WITH SECTION 714.4.1.1 OR 714 4.1.2. C) N
purposes where the existing building and the addition comply with the conventional lightframe construction methods of 903.3.1.1. 6 -- w Q O N
2.A mezzanine having two or more exits or access to exits is not required to be open to the room in which the mezzanine O m
Florida Building Code, Building orthe provisions of the Florida Building Code, Residential. P =Openings protected with an opening protective assembly in accordance with Section 705.8.2. EXCEPTION: WHERE THE PENETRATING ITEMS ARE STEEL, FERROUS OR COPPER PIPES,TUBES ORCONDUITS, THE Z ''� ,.-
the
is located. w U)
ANNULAR SPACE BETWEEN THE PENETRATING ITEM AND THE FIRE-RESISTANCE-RATED WALL IS PERMITTEDTO BE 2
[BS]1103.3Lateral force-resisting system. 3.Mezzanines or portions thereof are not required to be open to the room in which the mezzanines are located, provided t i.Not applicable to Group H-1, H-2 and H-3 occupancies. PROTECTED BY EITHER OF THE FOLLOWING MEASURES. Q 00 d I_The lateral force-resisting system of existing buildings to which additions are made shall comply with Sections 1103,31,
1103,3,2 and 1103,3.3, hat the aggregate floor area of the enclosed space is not greater than 10 percent of the mezzanine area. 1.I N CONCRETE OR MASONRY WALLS WHERE THE PENETRATING ITEM IS A MAXIMUM 6-INCH(152 MM)NOMINAL
Exceptions: SECTION708 DIAMETER AND THE AREA OF THE OPENING THROUGH THE WALL DOES NOT EXCEED 144 SQUARE INCHES
1. Buildings of Group R occupancy with no more than five dwelling or sleeping units used solely for residential purposes 4,In industrial facilities, mezzanines used for control equipment are permitted to be glazed on all sides, FIRE PARTITIONS (0,0929 M2), CONCRETE, GROUT OR MORTAR IS PERMITTED WHERE INSTALLED THE FULL THICKNESS OF THE
where the existing building and the addition comply with the conventional light-frame construction methods of the Florida WALL OR THE THICKNESS REQUIRED TO MAINTAIN THE FIRE-RESISTANCE RATING,
Building Code, Building orthe provisions of the Florida Building Code, Residential. 5.In occupancies other than Groups H and I, that are no more than two stories above grade plane and equipped
throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, a mezzanine having two or more 708.1 GENERAL.
2.Any existing lateral load-carrying structural element whose demand-capacity ratio with the addition considered is not THE FOLLOWING WALL ASSEMBLIES SHALL COMPLY WITH THIS SECTION. 2.THE MATERIAL USED TO FILL THE ANNULAR SPACE SHALL PREVENTTHE PASSAGE OF FLAME AND HOTGASES
more than 10 percent greater than its demand-capacity ratio with the addition ignored shall be permitted to remain means of egress shall not be required to be open to the room in which the mezzanine is located. SUFFICIENT TO IGNITE COTTON WASTE WHEN SUBJECTED TO ASTM E119 OR UL 263 TIME-TEMPERATURE FIRE
unaltered, For purposes of this exception, comparisons of demand-capacity ratios and calculation of design lateral loads, 1. SEPARATION WALLS AS REQUIRED SECTION FOR GROUPS I-1, R-1 , AND R-3. CONDITIONS UNDER A MINIMUM POSITIVE PRESSURE DIFFERENTIAL OF 0.01 INCH(2.49 PA)OF WATERATTHE
forces and capacities shall account for the cumulative effects of additions and alterations since original construction. For 2. WALLS SEPARATING TENANT SPACESS IN COVEREEDD A AND OPEN MALL BUILDINGS AS REQUIRED BY SECTION LOCATION OF THE PENETRATION FOR THE TIME PERIOD EQUIVALENTTO THE FIRE-RESISTANCE RATING OFTHE
of calculating demandca acit ratios,the demand shall consider applicable load combinations involving full SECTION 506 402.4.2.1.
purposes 9 P Y PP� 9 CONSTRUCTION PENETRATED.
seismic forces. BUILDING AREA 3. CORRIDOR WALLS AS REQUIRED BY SECTION 1020.1.
4. ELEVATOR LOBBY SEPARATION AS REQUIRED BY SECTION 3006.2. 714.4,1.11FIRE-RESISTANCE-RATED ASSEMBLIES.
[BS]1103.3.lVertical addition. 506.1 GENERAL. 5. EGRESS BALCONIES AS REQUIRED BY SECTION 1019.2 THROUGH PENETRATIONS SHALL BE PROTECTED USING SYSTEMS INSTALLEDAS TESTED INTHE APPROVED
Any element of the lateral force-resisting system of an existing building subjected to an increase in vertical or lateral loads The floor area of a building shall be determined based on the type of construction, occupancy classification, whether there FIRE-RESISTANCE-RATED ASSEMBLY.
from the vertical addition shall comply with the Florida Building Code, Building Wind provisions and the full seismic forces. is an automatic sprinkler system installed throughout the building and the amount of building frontage on public way or open 708.2 MATERIALS. IZ
space. THE WALLS SHALL BE OF MATERIALS PERMITTED BY THE BUILDING TYPE OF CONSTRUCTION. 714.4,1,2THROUGH-PENETRATION FIRESTOP SYSTEM.
[BS]1103.3.2Horizontal addition. THROUGH PENETRATIONS SHALL BE PROTECTED BY AN APPROVED PENETRATION FIRESTOP SYSTEM INSTALLED AS O N
Where horizontal additions are structural connected to an existing structure, all lateral force-resisting elements of the 506.2 ALLOWABLE AREA DETERMINATION. �
structurally g g 708.3 FIRE-RESISTANCE RATING. TESTED IN ACCORDANCE WITH ASTM E814 OR UL 1479, WITH A MINIMUM POSITIVE PRESSURE DIFFERENTIAL OF 0.01
existing structure affected by such addition shall comply With the Florida Building Code, Building wind provisions and the full The allowable area of a building shall be determined in accordance With the applicable provisions of Sections 506.21 N
through 506.2.4 and Section 506.3. FIRE PARTITIONS SHALL HAVE A FIRE-RESISTANCE RATING OF NOT LESS THAN 1 HOUR. INCH (2.49 PA) OF WATER AND SHALL HAVE AN F RATING OF NOT LESS THAN THE REQUIRED FIRE-RESISTANCE RATING }, J
seismic forces, g OF THE WALL PENETRATED. O 6)
EXCEPTIONS:
[BS]1103.3.3Voluntary addition of structural elements to improve the lateral force-resisting system. Im -) � A
TABLE 506.2 (a, b) 1. CORRIDOR WALLS PERMITTED TO HAVE A 1/2-HOUR FIRE-RESISTANCE RATING BY TABLE 1020.1. SECTION718 �
Voluntary addition of structural elements to improve the lateral force resisting system of an existing building shall comply ( applicable) 2. DWELLING UNIT AND SLEEPING UNIT SEPARATIONS IN BUILDINGS OF TYPE IIB, IIIB AND VB CONSTRUCTION SHALL CONCEALED SPACES .j i .1 LL
ALLOWABLE AREA FACTOR At =NS, S1, S13R, orSM, as a licable IN SQUARE FEET
with Section 807.6. HAVE FIRE-RESISTANCE RATINGS OF NOT LESS THAN 1/2 HOUR IN BUILDINGS EQUIPPED THROUGHOUT WITH AN 'i`
TYPE OF CONSTRUCTION Z3
OCCUPANCY AUTOMATIC SPRINKLER SYSTEM IN ACCORDANCE WITH SECTION 903.3.1.1. 718.1 GENERAL. a) . . -0 "
CLASSIFICATION FIREBLOCKING AND DRAFTSTOPPING SHALL BE INSTALLED IN COMBUSTIBLE CONCEALED LOCATIONS IN ACCORDANCE WITH Q ti
2020 FLORIDA BUILDING CODE, 7th EDITION SEE FOOTNOTES A B THIS SECTION RREBLOCKING SHALL COMPLY WITH SECTION 718.2. DRAFTSTOPPING IN FLOOR/CEILING SPACES AND ATTIC U d 0
TYPE II .E
co
708.4 CONTINUITY.
NS 25,000 15,500 FIRE PARTITIONS SHALL EXTEND FROM THE TOP OF THE FOUNDATION OR FLOOR/CEILING ASSEMBLY BELOWTOTHE SPACES SHALL COMPLY WITH SECTIONS 718.3 AND 718.4, RESPECTIVELY. THE PERMITTED USE OF COMBUSTIBLE MATERIALS
UNDERSIDE OF THE FLOOR OR ROOF SHEATHING, SLAB OR DECK ABOVE OR TO THE FIRE-RESISTANCE-RATED IN CONCEALED SPACES OF BUILDINGS OFTYPE I OR II CONSTRUCTION SHALL BE LIMITED TO THE APPLICATIONS INDICATED m
CHAPTER 3 F-1 S1 100,000 62,000 IN SECTION 718.5. '-
USE AND OCCUPANCY CLASSIFICATION SM 75,000 46,500 FLOOR/CEILING OR ROOF/CEILING ASSEMBLY ABOVE, AND SHALL BE SECURELY ATTACHED THERETO. IN
COMBUSTIBLE CONSTRUCTION WHERE THE FIRE PARTITIONS ARE NOT REQUIRED TO BE CONTINUOUS TO THE 718.2 FIREBLOCKING.
FACTORY
G SHEATHING, DECK OR SLAB,THE SPACE BETWEEN THE CEILING AND THE SHEATHING, DECK OR SLAB ABOVE SHALL BE
FACTORY GROUP F PRIMARY OCCUPANCY Note: UL = Unlimited; NP = Not permitted; INCOMBUSTIBLE CONSTRUCTION, FIREBLOCKING SHALL BE INSTALLED TO CUT OFF CONCEALED DRAFT OPENINGS(BOTH
For SI: 1 square foot=0.0929 I FIREB LOCK ND OR DRAFTSTOPPED IN ACCORDANCE WITH SECTIONS 718.2 AND 718.3 AT THE PARTITION LINE.THE VERTICAL AND HORIZONTAL)AND SHALL FORM AN EFFECTIVE BARRIER BETWEEN FLOORS, BETWEEN A TOP STORY AND A ❑O
306.1 FACTORY INDUSTRIAL GROUP F. NS = Buildings not equipped throughout with an automatic sprinkler system; S1 =Buildings a maximum of one story SUPPORTING CONSTRUCTION SHALL BE PROTECTED TO AFFORD THE REQUIRED FIRE-RESISTANCE RATING OF THE ROOF OR ATTIC SPACE, FIREBLOCKING SHALL BE INSTALLED IN THE LOCATIONS SPECIFIED IN SECTIONS 718 2,2 THROUGH
above grade plane equipped throughout with an automatic sprinkler system installed in accordance With Section WALL SUPPORTED, EXCEPT FOR WALLS SEPARATING TENANT SPACES IN COVERED AND OPEN MALL BUILDINGS , 718.2.7. �
❑
FACTORY INDUSTRIAL GROUP F OCCUPANCY INCLUDES, AMONG OTHERS, THE USE OFA BUILDING OR 903.3.1.1; SM=Buildings two or more stories above grade plane equipped throughout with an automatic sprinkler WALLS SEPARATING DINELLINGUNITS,WALLS SEPARATING SLEEPING UNITS AND CORRIDOR WALLS, IN BUILDINGS OF M
STRUCTURE, OR A PORTION THEREOF, FOR ASSEMBLING, DISASSEMBLING, FABRICATING, FINISHING, system installed in accordance with Section 903.3.1.1, S13R=Buildings equipped throughout with an automatic TYPE IIB, IIIB AND VB CONSTRUCTION. 718.2.1 FIREBLOCKING MATERIALS. 0-
MANUFACTURING, PACKAGING, REPAIR OR PROCESSING OPERATIONS THATARE NOTCLASSIFIED AS A sprinkler system installed in accordance with Section 903.3.1.2. FIREBLOCKING SHALL CONSIST OF THE FOLLOWING MATERIALS. W
GROUP H HAZARDOUS OR GROUP S STORAGE OCCUPANCY. a,See Chapters 4 and 5 for specific exceptions to the allowable height in this chapter EXCEPTIONS: 1 1.TWO-INCH (51 MM) NOMINAL LUMBER
3 0 6.2 MODERATE-HAZARD FACTORY INDUSTRIAL, GROUP F-1. b,See Section 903.2 forthe minimum thresholds forprotection by an automatic sprinkler system for specific 1. THE WALL NEED NOT BE EXTENDED INTO THE CRAWL SPACE BELOW WHERE THE FLOOR ABOVE THE CRAWL 2. 2.TWO THICKNESSES OF 1-INCH (25 MM) NOMINAL LUMBER WITH BROKEN LAP JOINTS. =
FACTORY INDUSTRIAL USES THAT ARE NOT CLASSIFIED AS FACTORY INDUSTRIAL F-2 LOW HAZARD SHALL BE occupancies. 3. 3.ONE THICKNESS OF 0.719-INCH (18.3 MM)WOOD STRUCTURAL PANELS WITH JOINTS BACKED BY 0.719-INCH(18.3 MM) Q)
SPACE HAS A MINIMUM 1-HOUR FIRE-RESISTANCE RATING .
CLASSIFIED AS F-1 MODERATE HAZARD AND SHALL INCLUDE, BUT NOT BE LIMITED TO, THE FOLLOWING. 2. WHERE THE ROOM-SIDE FIRE-RESISTANCE-RATED MEMBRANE OF THE CORRIDOR IS CARRIED THROUGH TO THE WOOD STRUCTURAL PANELS, M
507.1 SPRINKLERED ONE-STORY BUILDINGS. UNDERSIDE OF THE FLOOR OR ROOF SHEATHING, DECK OR SLAB OF A FIRE-RESISTANCE-RATED FLOOR OR 4, 4.01NE THICKNESS OF 0,75-INCH (19.1 MM)PARTICLEBOARD WITH JOINTS BACKED BY 0,75-INCH(19 MM)PARTICLEBOARD. I_-
• Automobiles and other motorvehicles The area of a Group A-4 building no more than one story above grade plane of otherthan Type V construction, orthe area ROOF ABOVE THE CEILING OF THE CORRIDOR SHALL BE PERMITTED TO BE PROTECTED BY THE USE OF CEILING 5. 5.ONE-HALF-INCH (127 MM)GYPSUM BOARD. 0-
• Boats of a Group B, F, M or S building no more than one story above grade plane of any construction type, shall not be limited 6. 6.ONE-FOURTH-INCH(6,4 MM) CEMENT-BASED MILLBOARD,
Canvas or similar fabric MATERIALS AS REQUIRED FOR 1-HOUR FIRE-RESISTANCE-RATED FLOOR OR ROOF SYSTEM. 7. 7.BATTS OR BLANKETS OF MINERAL WOOL , MINERAL FIBER OR OTHER APPROVED MATERIALS INSTALLED IN SUCH A
• where the building is provided with an automatic sprinklersystem throughout in accordance with Section 903.3.1.1 and is 3. WHERE THE CORRIDOR CEILING IS CONSTRUCTED AS REQUIRED FOR THE CORRIDOR WALLS THE WALLS SHALL 0-
surrounded and adjoined by public ways or yards not less than 60 feet(18 288 mm)in Width, MANNER AS TO BE SECURELY RETAINED IN PLACE. �
SECTION311 BE PERMITTED TO TERMINATE AT THE UPPER MEMBRANE OF SUCH CEILING ASSEMBLY. 8. 8.CELLULOSE INSULATION INSTALLED AS TESTED FOR THE SPECIFIC APPLICATION. O
STORAGE GROUP S SECONDARY OCCUPANCY 4. THE FIRE PARTITIONS SEPARATING TENANT SPACES IN A COVERED OR OPEN MALL BUILDING , COMPLYING WITH g
SECTION 509 SECTION 402.4.2.1,ARE NOT REQUIRED TO EXTEND BEYOND THE UNDERSIDE OF A CEILING THAT IS NOT PART OF 718.2.1.1 BATTS OR BLANKETS OF MINERAL WOOL OR MINERAL FIBER
311.1STORAGE GROUP S. INCIDENTAL USES A FIRE-RESISTANCE-RATED ASSEMBLY. A WALL IS NOT REQUIRED IN ATTIC OR CEILING SPACES ABOVE TENANT BATTS OR BLANKETS OF MINERAL WOOL OR MINERAL FIBER OR OTHER APPROVED NONRIGID MATERIALS SHALL BE �
Storage Group S occupancy includes, among others,the use of a building or structure, or a portion thereof,for SEPARATION WALLS. PERMITTED FOR COMPLIANCE WITH THE 10-FOOT(3048 MM)HORIZONTAL FIREBLOCKING IN WALLS CONSTRUCTED USING O (.0
storage that is not classified as a hazardous occupancy. TABLE 509 INCIDENTAL USES 5. ATTIC FIREBLOCKING OR DRAFTSTOPPING IS NOT REQUIRED AT THE PARTITION LINE IN GROUP R-2 BUILDINGS PARALLEL ROWS OF STUDS OR STAGGERED STUDS. co _. a
THAT DO NOT EXCEED FOUR STORIESABOVE GRADEPLANE , PROVIDED THE ATTIC SPACE IS SUBDIVIDED BY � m CO
311.1.1ACCESSORY STORAGE SPACES. DRAFTSTOPPING INTO AREAS NOT EXCEEDING 3,000 SQUARE FEET(279 M2)OR ABOVE EVERY TWO DWELLING 718.2.1.2 UNFACED FIBERGLASS. U .°) �
SEPERATION OR 0
A room or space used for storage purposes that is accessory to another occupancy shall be classified as part of that ROOM OR AREA UNITS WHICHEVER IS SMALLER. UNFACED FIBERGLASS BAIT INSULATION USED AS FIREBLOCKING SHALL FILL THE ENTIRE CROSS SECTION OF THE WALL L Z5 ai
PROTECTION CAVITY TO A MINIMUM HEIGHT OF 16 INCHES 406 MM MEASURED VERTICALLY, WHERE PIPING, CONDUIT OR SIMILAR ai Qa . L
occupancy. 6. FIREBLOCKING OR DRAFTSTOPPING IS NOT REQUIRED AT THE PARTITION LINE IN BUILDINGS EQUIPPED WITH AN ( }
OBSTRUCTIONS ARE ENCOUNTERED, THE INSULATION SHALL BE PACKED TIGHTLY AROUND THE OBSTRUCTION. E > 6) .°�
AUTOMATIC SPRINKLER SYSTEM INSTALLED THROUGHOUT IN ACCORDANCE WITH SECTION 903.3.1.1 OR 903.3.1.2 W M a
311.3LOW-HAZARD STORAGE GROUP S-2_ ELECTRICAL See Sections 110.26 through 110.34 and Z �
Storage Group S-1 occupancies are buildings occupied for storage uses that are not classified as Group S-2, including, but INSTALLATIONS AND Sections 450.8 through 450.48 of NFPA 70 PROVIDED THAT AUTOMATIC SPRINKLERS ARE INSTALLED IN COMBUSTIBLE FLOOR/CEILING AND ROOF/CEILING 718.2.1.3 LOOSE-FILL INSULATION MATERIAL. v
not limited to, storage of the following. TRANSFORMER for protection and separation requirements. SPACES. LOOSE-FILL INSULATION MATERIAL, INSULATING FOAM SEALANTS AND CAULK MATERIALS SHALL NOT BE USED AS A
FIREBLOCK UNLESS SPECIFICALLY TESTED IN THE FORM AND MANNER INTENDED FOR USE TO DEMONSTRATE ITS ABILITY a-
• Cardboard and cardboard boxes 708.5 EXTERIOR WALLS. TO REMAIN IN PLACE AND TO RETARD THE SPREAD OF FIRE AND HOT GASES.
• Dry boat storage (indoor) WHERE EXTERIOR WALLS SERVE AS A PART OF A REQUIRED FIRE-RESISTANCE-RATED SEPARATION,SUCH WALLS
SHALL COMPLY WITH THE REQUIREMENTS OF SECTION 705 FOR EXTERIOR WALLS, AND THE FIRE-RESISTANCE-RATED 718.2.1.4 FIREBLOCKING INTEGRITY.
CHAPTER6 SEPARATION REQUIREMENTS SHALL NOT APPLY. THE INTEGRITY OF FIREBLOCKS SHALL BE MAINTAINED.
CHAPTER 5 TYPES OF CONSTRUCTION EXCEPTION. EXTERIOR WALLS REQUIRED TO BE FIRE-RESISTANCE RATED IN ACCORDANCE WITH SECTION 1021.2 FOR Uj
SECTION 501 EXTERIOR EGRESS BALCONIES, SECTION 1023.7 FOR INTERIOR EXIT STAIRWAYS AND RAMPS AND SECTION 1027.6 FOR 718.2.3 CONNECTIONS BETWEEN HORIZONTAL AND VERTICAL SPACES. >_
GENERAL 602.5 Type V. EXTERIOR EXIT STAIRWAYS AND RAMPS. FIREBLOCKING SHALL BE PROVIDED AT INTERCONNECTIONS BETWEEN CONCEALED VERTICAL STUD WALL ORPARTITION
[F]501.2Address identification. SPACES AND CONCEALED HORIZONTAL SPACES CREATED BY AN ASSEMBLY OF FLOOR JOISTS ORTRUSSES, AND BETWEEN J
New and existing buildings shall be provided with approved address identification. The address identification shall Type V construction is that type Of construction in which the structural elements, exterior walls and Q
interior walls are of an materials permitted b this Code. 708.6 OPENINGS. CONCEALED VERTICAL AND HORIZONTAL SPACES SUCH AS OCCUR AT SOFFITS, DROP CEILINGS, COVE CEILINGS AND Z
be legible and placed in a position that is visible from the street or road fronting the property.Address identification y p y SIMILAR LOCATIONS.
characters shall contrast with their background.Address numbers shall be Arabic numbers or alphabetical letters. OPENINGS IN A FIRE PARTITION SHALL BE PROTECTED IN ACCORDANCE WITH SECTION 716.
W
Numbers shall not be spelled out. Each character shall be a minimum of 4 inches (102 mm) high with a minimum
708.7 PENETRATIONS. 718.2.5 CEILING AND FLOOR OPENINGS. U/j ❑
stroke width of 1/2 inch (12.7 mm).Where required by the fire code official, address identification shall be provided TABLE 601 PENETRATIONS OF FIRE PARTITIONS SHALL COMPLY WITH SECTION 714. WHERE REQUIRED BY SECTION 712.1.8, EXCEPTION 1 OF SECTION 714.5.1.2 OR SECTION 714 6, FIREBLOCKING OF THE Z O
in additional approved locations to facilitate emergency response. Where access is by means of a private road FIRE-RESISTANCE RATING REQUIREMENTS FOR BUILDING ELEMENTS (HOURS) ANNULAR SPACE AROUND VENTS, PIPES, DUCTS, CHIMNEYS AND FIREPLACES AT CEILINGS AND FLOOR LEVELS SHALL BE 0 0
and the building address cannot be viewed from the public way,a monument,pole or other approved sign or INSTALLED WITH A MATERIAL SPECIFICALLY TESTED IN THE FORM AND MANNER INTENDED FOR USE TO DEMONSTRATE ITS H (]
means shall be used to identify the structure. Address identification shall be maintained. BUILDING ELEMENT TYPE II-B 708.8 JOINTS. ABILITY TO REMAIN IN PLACE Q Z
JOINTS MADE IN OR BETWEEN FIRE PARTITIONS SHALL COMPLY WITH SECTION 715. > p
503.1.1 SPECIAL INDUSTRIAL OCCUPANCIES. f 718.2.6 EXTERIOR WALL COVERINGS. W J
0 708.9 DUCTS AND AIR TRANSFER OPENINGS. FIREBLOCKING SHALL BE INSTALLED WITHIN CONCEALED SPACES OF EXTERIOR WALL COVERINGS AND OTHER EXTERIOR m
PRIMARY STRUCTURAL FRAME D
(see section 202) PENETRATIONS IN A FIRE PARTITION BY DUCTS AND AIR TRANSFER OPENINGS SHALL COMPLY WITH SECTION 717. ARCHITECTURAL ELEMENTS WHERE PERMITTED TO BE OF COMBUSTIBLE CONSTRUCTION AS SPECIFIED IN SECTION 1406 OR Ib 00
Buildings and structures designed to house special industrial processes that require large areas and unusual WHERE ERECTED WITH COMBUSTIBLE FRAMES. FIREBLOCKING SHALL BE INSTALLED AT MAXIMUM INTERVALS OF 20 FEET Q 06
building heights to accommodate craneways or special machinery and equipment, including, among others,rolling BEARING WALLS (6096 MM) IN EITHER DIMENSION SO THAT THERE WILL BE NO CONCEALED SPACE EXCEEDING 100 SQUARE FEET(9 3 M2) U)
mills; structural metal fabrication shops and foundries; or the production and distribution of electric, gas or steam EXTERIOR e,f 0 SECTION 711 BETWEEN FIREBLOCKING. WHERE WOOD FURRING STRIPS ARE USED, THEY SHALL BE OF APPROVED WOOD OF NATURAL W H
power, shall be exempt from the building height, number of stories and building area limitations specified in INTERIOR 0 FLOOR AND ROOF ASSEMBLIES DECAY RESISTANCE OR PRESERVATIVE-TREATED WOOD. IF NONCONTINUOUS, SUCH ELEMENTS SHALL HAVE CLOSED ENDS, ❑ 0
Sections 504 and 506. WITH NOT LESS THAN 4 INCHES (102 MM) OF SEPARATION BETWEEN SECTIONS. Z Z
NONBEARING WALLS AND PARTITIONS 711.1 GENERAL. EXCEPTIONS: J
504.3 HEIGHT IN FEET. INTERIORd 0 1,FIREBLOCKING OF CORNICES IS NOT REQUIRED IN SINGLE-FAMILY DWELLINGS, FIREBLOCKING OF CORNICES OFA 2 Z <
Horizontal assemblies shall comply with Section 711.2. Nonfire-resi stance-rated floor and roof assemblies shall comply with E
The maximum height, in feet, of a building shall not exceed the limits specified in Table 504.3. TWO-FAMILY DWELLING IS REQUIRED ONLY ATTHE LINE OF DWELLING UNIT SEPARATION,
FLOOR CONSTRUCTION AND Section 711.3. z Q W
2,FIREBLOCKING SHALL NOT BE REQUIRED WHERE THE EXTERIOR WALL COVERING IS INSTALLED ON
SECONDARY MEMBERS (see section 202) 0 C Z
TABLE 504.3 (a) NONCOMBUSTIBLE FRAMING AND THE FACE OF THE EXTERIOR WALL COVERING EXPOSED TO THE CONCEALED SPACE of W
711.2 HORIZONTAL ASSEMBLIES.
ALLOWABLE BUILDING HEIGHT IN FEET ABOVE GRADE PLANE IS COVERED BY ONE OF THE FOLLOWING MATERIALS: m ❑ (D
ROOF CONSTRUCTION AND 0c Horizontal assemblies shall comply with Sections 711.2.1 through 711.2.6. 2.1.ALUMINUM HAVING A MINIMUM THICKNESS OF 0.019 INCH(0.5 II Q
OCCUPANCY
TYPE OF CONSTRUCTION SECONDARY MEMBERS (see section 202) 2.2.CORROSION-RESISTANT STEEL HAVING ABASE METAL THICKNESS NOT LESS THAN 0.016 INCH(0.4 MM)ATANY
CLASSIFICATION TYPE II 711.2.1 MATERIALS. POINT.
SEE FOOTNOTES A B For SI: 1 foot= 304.8 mm. Assemblies shall be of materials permitted by the building type of construction. 2.3.OTHER APPROVED NONCOMBUSTIBLE MATERIALS
a.Roof supports: Fire-resistance ratings of primary structural frame and bearing walls are permitted to be 3.FIREBLOCKING SHALL NOT BE REQUIRED WHERE THE EXTERIOR WALL COVERING HAS BEEN TESTED IN
NS (b) 65 55 reduced by 1 hour where supporting a roof only. 711.2.2 CONTINUITY. ACCORDANCE WITH, AND COMPLIES WITH THE ACCEPTANCE CRITERIA OF, NFPA 285 THE EXTERIOR WALL COVERING 0
F b.Except in Group F-1, H, M and S-1 occupancies,fire protection of structural members shall not be required, Assemblies shall be continuous without vertical openings, except as permitted by this section and Section 712. SHALL BE INSTALLED AS TESTED IN ACCORDANCE WITH NFPA 285. 0 d o
S 85 75 including protection of roof framing and decking where every part of the roof construction is 20 feet or more Cq ti �
above any floor immediately below. Fire-retardant-treated wood members shall be allowed to be used for 718.3.1 DRAFTSTOPPING MATERIALS. N L d Q
For SI: 1 foot=304,8 mm, such unprotected members. DRAFTSTOPPING MATERIALS SHALL BE NOT LESS THAN 1/2-INCH(12.7 MM)GYPSUM BOARD, 3/8-INCH(9.5 MM)WOOD a) 1 -0 � c
Note: UL=Unlimited; NS =Buildings notequipped throw hout with an automatics rinklers stem;S=Buildin sequipped throu hout STRUCTURAL PANEL, 3/8 INCH 9.5 MM PARTICLEBOARD, 1 INCH 25 MM NOMINAL LUMBER, CEMENT FIBERBOARD, BAITS OR a)
9g P Y 9g c.ln all occupancies, heavy timber shall be allowed where a 1-hour or less fire-resistance rating is required. ( ) ( ) E z 0 m
with an automatic sprinkler system installed in accordance with Section 903.3.1.1;S13R=Buildings equipped throughoutwith an d.Not less than the fire-resistance rating required by other sections of this code. BLANKETS OF MINERAL WOOL OR GLASS FIBER, OR OTHER APPROVED MATERIALS ADEQUATELY SUPPORTED. THE z Z
automatic sprinkler system installed in accordance with Section 903.3.1.2. INTEGRITY OF DRAFTSTOPS SHALL BE MAINTAINED. a� r � a
a,See Chapters 4 and 5 for specific exceptions to the allowable height in this chapter, e.Not less than the fire-resistance rating based on fire separation distance{see Table 602}. V .o o N
b.See Section 903.2 for the minimum thresholds for protection by an automatic sprinkler system for specific occupancies. f.Not less than the fire-resistance rating as referenced in Section 704.10. W d E O