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12.1 General

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This chapter shall apply to existing, permanent, or temporary buildings.

12.2* Construction

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12.2.1*

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12.2.2

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12.3.1

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12.3.2* Quality Assurance for Penetrations and Joints

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12.3.2.1

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12.3.2.2

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12.3.3.1

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Required fire-resistive construction, including fire barriers, fire partition, fire walls, exterior walls due to location on property, fire-resistive requirements based on type of construction, draft-stop partitions, and roof coverings, shall be maintained as constructed or permitted under the Building Code.
Where required, fire-rated gypsum wallboard walls or ceilings that are damaged to the extent that through openings exist, the damaged gypsum wallboard shall be replaced or returned to the required level of fire resistance using a listed repair system or using materials and methods equivalent to the original construction.

12.3.3.3

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12.3.3.3.1

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12.3.3.3.2

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12.4.1
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The installation and maintenance of assemblies and devices used to protect openings in walls, floors, and ceilings against the spread of fire and smoke within, into, or out of buildings shall comply with Section 12.4 and NFPA 80, Standard for Fire Doors and Other Opening Protectives and with the Building Code.
With the exception of fabric fire safety curtain assemblies, Section 12.4 addresses assemblies that have been subjected to standardized fire tests. (See Chapter 20 of NFPA 80, Standard for Fire Doors and Other Opening Protectives.) [80:1.1.1]
Incinerator doors, record room doors, and vault doors are not covered in Section 12.4. [80:1.1.2]
Requirements for horizontally sliding, vertically sliding, and swinging doors as used in this Code do not apply to hoistway doors for elevators and dumbwaiters. [80:1.1.3]
Section 12.4 shall not cover fire resistance rated glazing materials and horizontally sliding accordion or folding assemblies fabricated for use as walls and tested as wall assemblies in accordance with ASTM E 119. [80:1.1.4]
Subsection 12.4.6 shall cover the inspection, testing, and maintenance of fire doors, fire shutters, fire windows, and opening protectives other than fire dampers and fabric fire safety curtains. [80:5.1.1.1]
Doors, shutters, and windows shall be operable at all times. [80:5.1.2.1]
Doors, shutters, and windows shall be kept closed and latched or arranged for automatic closing. [80:5.1.2.2]
Where it is necessary to replace fire doors, shutters, windows or their frames, glazing materials, hardware, and closing mechanisms, replacements shall meet the requirements for fire protection and shall be installed and tested as required by this section for new installations. [80:5.1.3]

12.4.6.4 Field Modifications

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12.4.6.4.1*

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12.4.6.4.2

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12.4.6.4.3

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12.4.6.5 Removal of Door or Window

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Upon completion of the installation, door, shutters, and window assemblies shall be inspected and tested in accordance with 5.2.4 of NFPA 80. [80:5.2.1]
A record of all inspections and testing shall be signed by the inspector and kept for inspection by the AHJ. [80:5.2.2]
Records of acceptance tests shall be retained for the life of the assembly. [80:5.2.2.1]
Unless a longer period is required by Section 5.4 of NFPA 80, records shall be retained for a period of at least 3 years. [80:5.2.2.2]
The records shall be on a medium that will survive the retention period. Paper or electronic media shall be permitted. [72:14.6.2.3]
A record of all inspections and testing shall be provided that includes, but is not limited to, the following information:
  1. Date of inspection
  2. Name of facility
  3. Address of facility
  4. Name of person(s) performing inspections and testing
  5. Company name and address of inspecting company
  6. Signature of inspector of record
  7. Individual record of each inspected and tested fire door assembly
  8. *Opening identifier and location of each inspected and tested fire door assembly
  9. *Type and description of each inspected and tested fire door assembly
  10. *Verification of visual inspection and functional operation
  11. Listing of deficiencies in accordance with 12.4.6.6.3, 12.4.6.7, and 12.4.6.8 [80:5.2.2.4]
Upon completion of maintenance work, fire door assemblies shall be inspected and tested in accordance with 5.2.3 of NFPA 80. [80:5.2.2.5]
Acceptance testing of fire door and window assemblies shall be performed by a qualified person with knowledge and understanding of the operating components of the type of assembly being subject to testing. [80:5.2.3.1]
Before testing, a visual inspection shall be performed to identify any damaged or missing parts that can create a hazard during testing or affect operation or resetting. [80:5.2.3.2]
Acceptance testing shall include the closing of the door by all means of activation. [80:5.2.3.3]
A record of these inspections and testing shall be made in accordance with 5.2.2 of NFPA 80. [80:5.2.3.4]
Fire door assemblies shall be visually inspected from both sides to assess the overall condition of door assembly. [80:5.2.3.5.1]
As a minimum, the following items shall be verified:
  1. Labels are clearly visible and legible.
  2. No open holes or breaks exist in surfaces of either the door or frame.
  3. Glazing, vision light frames, and glazing beads are intact and securely fastened in place, if so equipped.
  4. The door, frame, hinges, hardware, and noncombustible threshold are secured, aligned, and in working order with no visible signs of damage.
  5. No parts are missing or broken.
  6. Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7 of NFPA 80.
  7. The self-closing device is operational; that is, the active door completely closes when operated from the full open position.
  8. If a coordinator is installed, the inactive leaf closes before the active leaf.
  9. Latching hardware operates and secures the door when it is in the closed position.
  10. Auxiliary hardware items that interfere or prohibit operation are not installed on the door or frame.
  11. No field modifications to the door assembly have been performed that void the label.
  12. Meeting edge protection, gasketing and edge seals, where required, are inspected to verify their presence and integrity.
  13. Signage affixed to a door meets the requirements listed in 4.1.4 of NFPA 80. [80:5.2.3.5.2]
Fire door assemblies shall be visually inspected from both sides to assess the overall condition of door assembly. [80:5.2.3.6.1]
The following items shall be verified:
  1. Labels are clearly visible and legible.
  2. No open holes or breaks exist in surfaces of either the door or frame.
  3. Slats, endlocks, bottom bar, guide assembly, curtain entry hood, and flame baffle are correctly installed and intact for rolling steel fire doors.
  4. Glazing, vision light frames, and glazing beads are intact and securely fastened in place, if so equipped.
  5. Curtain, barrel, and guides are aligned, level, plumb, and true for rolling steel fire doors.
  6. Expansion clearance is maintained in accordance with manufacturer's listing.
  7. Drop release arms and weights are not blocked or wedged.
  8. Mounting and assembly bolts are intact and secured.
  9. Attachment to jambs are with bolts, expansion anchors, or as otherwise required by the listing.
  10. Smoke detectors, if equipped, are installed and operational.
  11. No parts are missing or broken.
  12. *Fusible links, if equipped, are in the location; chain/cable, s-hooks, eyes, and so forth, are in good condition; the cable or chain are not kinked, pinched, twisted, or inflexible; and links are not painted or coated with dust or grease.
  13. Auxiliary hardware items that interfere or prohibit operation are not installed on the door or frame.
  14. No field modifications to the door assembly have been performed that void the label.
  15. Doors have an average closing speed of not less than 6 in./sec (152 mm/sec) or more than 24 in./sec (610 mm/sec). [80:5.2.3.6.2]
All fire doors, fire shutters, and fire window assemblies shall be inspected and tested to check for proper operation and full closure. [80:5.2.3.7.1]
Resetting of the automatic-closing device shall be done in accordance with the manufacturer's instructions. [80:5.2.3.7.2]
Rolling steel fire doors shall be drop-tested twice. [80:5.2.3.7.3.1]
The first test shall be to check for proper operation and full closure. [80:5.2.3.7.3.2]
A second test shall be done to verify that the automatic-closing device has been reset correctly. [80:5.2.3.7.3.3]
Fusible links, release devices, and any other movable parts shall not be painted or coated with other materials that could interfere with the operation of the assembly. [80:5.2.3.8]
Periodic inspections and testing shall be performed not less than annually. [80:5.2.4.1]
As a minimum, the provisions of 12.4.6.6.3 shall be included in the periodic inspection and testing procedure. [80:5.2.4.2]
Inspection shall include an operational test for automatic-closing doors and windows to verify that the assembly will close under fire conditions. [80:5.2.4.3]
The assembly shall be reset after a successful test. [80:5.2.4.4]
Resetting of the release mechanism shall be done in accordance with the manufacturer's instructions. [80:5.2.4.5]
Hardware shall be examined, and inoperative hardware, parts, or other defective items shall be replaced without delay. [80:5.2.4.6]
Tin-clad and kalamein doors shall be inspected for dry rot of the wood core. [80:5.2.4.7]
Chains or cables employed shall be inspected for excessive wear, stretching, and binding. [80:5.2.4.8]
The operator, governor, and automatic-closing device on rolling steel fire doors shall be permitted to be retrofitted with a labeled retrofit operator under the conditions specified in 12.4.6.7.2 through 12.4.6.7.5. [80:5.3.1]
The retrofit operator shall be labeled as such. [80:5.3.2]
The retrofit operator shall be installed in accordance with its installation instructions and listing. [80:5.3.3]
The installation shall be acceptable to the AHJ. [80:5.3.4]
The retrofit operator shall be permitted to be provided by a manufacturer other than the original manufacturer of the rolling steel fire door on which it is retrofitted, provided its listing allows it to be retrofitted on that manufacturer's doors. [80:5.3.5]
As an alternate means of compliance with 12.4.6.6.4, subject to the AHJ, fire door assemblies shall be permitted to be inspected, tested, and maintained under a written performance-based program. [80:5.4.1]
Goals established under a performance-based program shall provide assurance that the fire door assembly will perform its intended function when exposed to fire conditions. [80:5.4.2]
Technical justification for inspection, testing, and maintenance intervals shall be documented in writing. [80:5.4.3]
The performance-based option shall include historical data acceptable to the AHJ. [80:5.4.4]
Repairs shall be made, and defects that could interfere with operation shall be corrected without delay. [80:5.5.1]
Damaged glazing material shall be replaced with labeled glazing. [80:5.5.2.]
Replacement glazing materials shall be installed in accordance with their individual listing. [80:5.5.3]
Any breaks in the face covering of doors shall be repaired without delay. [80:5.5.4]
Where a fire door, frame, or any part of its appurtenances is damaged to the extent that it could impair the door's proper emergency function, the following actions shall be performed:
  1. The fire door, frame, door assembly, or any part of its appurtenances shall be repaired with labeled parts or parts obtained from the original manufacturer.
  2. The door shall be tested to ensure emergency operation and closing upon completion of the repairs. [80:5.5.5]
If repairs cannot be made with labeled components or parts obtained from the original manufacturer or retrofitted in accordance with 12.4.6.7, the fire door frame, fire door assembly, or appurtenances shall be replaced. [80:5.5.6]
When holes are left in a door or frame due to changes or removal of hardware or plant-ons, the holes shall be repaired by the following methods:
  1. Install steel fasteners that completely fill the holes
  2. Fill the screw or bolt holes with the same material as the door or frame [80:5.5.7]

12.5.1

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12.5.2* General

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12.5.2.1

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12.5.2.2

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12.5.2.3

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12.5.2.4

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12.5.2.5*

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12.5.2.6

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12.5.3* Use of Interior Finishes

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12.5.3.1

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12.5.3.2*

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12.5.4* Interior Wall or Ceiling Finish Testing and Classification

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12.5.4.1

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12.5.4.2

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12.5.4.3

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12.5.4.4*

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12.5.4.4.1 Class A Interior Wall and Ceiling Finish

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12.5.4.4.2 Class B Interior Wall and Ceiling Finish

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12.5.4.4.3 Class C Interior Wall and Ceiling Finish

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12.5.4.4.4

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12.5.4.5

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12.5.4.6

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12.5.4.7*

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12.5.4.7.1

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12.5.4.7.2

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12.5.5* Specific Materials

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12.5.5.1* Textile Wall and Textile Ceiling Materials

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12.5.5.2* Expanded Vinyl Wall and Expanded Vinyl Ceiling Materials

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12.5.5.3 Cellular or Foamed Plastic

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12.5.5.3.1*

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12.5.5.3.1.1

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12.5.5.3.1.2*

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12.5.5.3.1.3

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12.5.5.3.2

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12.5.5.4* Light-Transmitting Plastics

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12.5.5.5 Decorations and Furnishings

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12.5.5.6 Metal Ceiling and Wall Panels

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12.5.5.7 Polypropylene (PP) and High-Density Polyethylene (HDPE)

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12.5.5.8 Site-Fabricated Stretch Systems

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12.5.5.9 Reflective Insulation Materials

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12.5.6.1 General

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12.5.6.2 Wall Base

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Bulletin boards, posters, and paper attached directly to the wall shall not exceed 20 percent of the aggregate wall area to which they are applied. [101: 10.2.5.3.1]
The provision of shall not apply to artwork and teaching materials in sprinklered educational or day-care occupancies in accordance with 20.2.4.4.3 and 20.3.4.2.3.5.3. [101: 10.2.5.3.2]

12.5.7* Fire-Retardant Coatings

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12.5.7.1*

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12.5.7.2

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12.5.7.3

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12.5.8* Interior Floor Finish Testing and Classification

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12.5.8.1*

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12.5.8.2*

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12.5.8.3*

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12.5.8.4

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12.5.8.4.1 Class I Interior Floor Finish

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12.5.8.4.2 Class II Interior Floor Finish

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12.5.8.5

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12.5.9 Automatic Sprinklers

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12.5.9.1

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12.5.9.2

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12.6.1

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Where required by the applicable provisions of this Code, draperies, curtains, and other similar loosely hanging furnishings and decorations shall meet the flame propagation performance criteria contained in Test Method 1 or Test Method 2, as appropriate, of NFPA 701, Standard Methods of Fire Tests for Flame Propagation of Textiles and Films. [101: 10.3.1]

12.6.3 Smoldering Ignition of Upholstered Furniture and Mattresses

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12.6.3.1* Upholstered Furniture

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Newly introduced upholstered furniture, except as otherwise permitted by Chapter 20, shall be resistant to a cigarette ignition (i.e., smoldering) in accordance with one of the following:
  1. The components of the upholstered furniture shall meet the requirements for Class I when tested in accordance with NFPA 260, Standard Methods of Tests and Classification System for Cigarette Ignition Resistance of Components of Upholstered Furniture.
  2. Mocked-up composites of the upholstered furniture shall have a char length not exceeding 11/2 in. (38 mm) when tested in accordance with NFPA 261, Standard Method of Test for Determining Resistance of Mock-Up Upholstered Furniture Material Assemblies to Ignition by Smoldering Cigarettes. [101: 10.3.2.1]
  3. The requirements of California Technical Bulletin 117-2013: Requirements, Test Procedure and Apparatus for Testing the Smolder Resistance of Materials Used in Upholstered Furniture.
Newly introduced mattresses, except as otherwise permitted by Chapter 20, shall have a char length not exceeding 2 in. (51 mm) when tested in accordance with 16 CFR 1632, "Standard for the Flammability of Mattresses and Mattress Pads" (FF 4-72). [101: 10.3.2.2]

12.6.3.2.1*

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12.6.3.2.2*

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12.6.3.3*

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Where required by the applicable provisions of this Code, upholstered furniture, unless the furniture is located in a building protected throughout by an approved automatic sprinkler system, shall have limited rates of heat release when tested in accordance with ASTM E 1537, Standard Test Method for Fire Testing of Upholstered Furniture, as follows:
  1. The peak rate of heat release for the single upholstered furniture item shall not exceed 80 kW.
  2. The total heat released by the single upholstered furniture item during the first ten minutes of the test shall not exceed 25 MJ. [101:10.3.3]

12.6.3.4*

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Where required by the applicable provisions of this Code, mattresses, unless the mattress is located in a building protected throughout by an approved automatic sprinkler system, shall have limited rates of heat release when tested in accordance with ASTM E 1590, Standard Test Method for Fire Testing of Mattresses, as follows: 
  1. The peak rate of heat release for the mattress shall not exceed 100 kW.
  2. The total heat released by the mattress during the first ten minutes of the test shall not exceed 25 MJ. [101:10.3.4]

12.6.3.5

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Seating shall not be purchased, leased or rented for use in a particular occupancy, unless labeled or identified by the manufacturer.

12.6.3.5.1

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The following shall be exempt:
  1. Cushions and pads intended solely for outdoor use.
  2. Any article which is smooth surfaced and contains no more than 1/2 inch of filling material, provided that such article does not have a horizontal surface meeting vertical surface.
  3. Articles manufactured solely for recreational use or physical fitness purposes, such as weight lifting benches, gymnasium mats or pads, side horses and similar articles.

12.6.3.6

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For spaces not protected by an approved sprinkler system, stackable molded plastic seating shall comply with ASTM E 1822: Standard Test Method for Fire Testing of Stacked Chairs, as modified. The test shall consist of a single chair, or prototypes thereof.

12.6.3.7 Labeled Furniture

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12.6.3.7.1

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The manufacturer shall affix a label to each article of regulated furniture that indicates:
  1. The article of furniture is composed of materials that meet the performance test.
  2. The nationally recognized testing laboratory and standards or publications as provided in this Code.

12.6.3.7.2

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The label shall be stitched or adhered onto each piece of regulated furniture.

12.6.3.8 Documentation of Furniture

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12.6.3.8.1

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The building manager shall maintain documentation of furniture within the building.

12.6.3.8.2

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The documentation shall be made available to the AHJ upon request

12.6.3.8.3

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The documentation shall include:
  1. The quantity and type of each article of furniture.
  2. Certification that the furniture items meet the performance requirements.
  3. The nationally recognized testing laboratory that conducted the tests.
  4. Descriptions of the upholstery cover fabric for each type of furniture within the inventory area, if the furniture is upholstered. The description of the upholstery cover fabric shall be provided by the fabric company or the chair manufacturer, and shall include fiber content, fabric type, fabric company name, and either a photo of the fabric for identification, or an actual fabric swatch, clearly labeled, at minimum size two inches x two inches.
  5. Fire retardant treatment maintenance and compliance documentation, if applicable.
Furnishings or decorations of an explosive or highly flammable character shall not be used. [101: 10.3.5]
Fire-retardant coatings shall be maintained to retain the effectiveness of the treatment under service conditions encountered in actual use. [101: 10.3.6]
Where required by the applicable provisions of this Code, furnishings and contents made with foamed plastic materials that are unprotected from ignition shall have a heat release rate not exceeding 100 kW when tested in accordance with UL 1975, Standard for Fire Tests for Foamed Plastics Used for Decorative Purposes, or when tested in accordance with NFPA 289, Standard Method of Fire Test for Individual Fuel Packages, using the 20 kW ignition source. [101: 10.3.7]
Where lockers constructed of combustible materials other than wood are used, the lockers shall be considered interior finish and shall comply with Section 12.5, except as permitted by 12.6.7.2. [101: 10.3.8.1]
Lockers constructed entirely of wood and of noncombustible materials shall be permitted to be used in any location where interior finish materials are required to meet a Class C classification in accordance with 12.5.4. [101: 10.3.8.2]

12.7 Fire Barriers

ILLUSTRATION

12.7.1 General

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12.7.2 Walls

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12.7.2.1

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12.7.2.1.1*

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12.7.2.1.2

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12.7.2.2

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12.7.2.3

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12.7.3 Fire Doors and Windows

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12.7.3.1

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12.7.3.1.1

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12.7.3.1.2

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12.7.3.2

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12.7.3.2.1*

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12.7.3.2.2

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12.7.3.2.3 Labels

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12.7.3.2.3.1*

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12.7.3.2.3.2

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12.7.3.3

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12.7.3.4

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12.7.3.5

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12.7.3.6*

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12.7.3.7

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12.7.3.8

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12.7.3.9

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12.7.3.10

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12.7.3.11

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12.7.3.12

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12.7.3.13

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12.7.4 Opening Protectives

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12.7.4.1

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12.7.4.2*

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12.7.4.2.1

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12.7.4.3

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12.7.4.4

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12.7.5 Penetrations

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This section has been amended at the state or city level.
The provisions of Section 12.7.5 shall govern the materials and methods of construction used to protect through-penetrations and membrane penetrations in fire walls, fire barrier walls, and fire resistance-rated horizontal assemblies. The provisions of Section 12.7.5 shall not apply to approved existing materials and methods of construction used to protect existing through-penetrations and existing membrane penetrations in fire walls, fire barrier walls, or fire resistance-rated horizontal assemblies, in accordance with the Building Code.
Penetrations for cables, cable trays, conduits, pipes, tubes, combustion vents and exhaust vents, wires, and similar items to accommodate electrical, mechanical, plumbing, and communications systems that pass through a wall, floor, or floor/ceiling assembly constructed as a fire barrier shall be protected by a firestop system or device. The firestop system or device shall be tested in accordance with ASTM E 814, Standard Test Method for Fire Tests of Through Penetration Fire Stops, or ANSI/UL 1479, Standard for Fire Tests of Through-Penetration Firestops, at a minimum positive pressure differential of 0.01 in. water column (2.5 N/m2) between the exposed and the unexposed surface of the test assembly. [101: 8.3.5.1]

12.7.5.1.1

AMENDMENT
This section has been amended at the state or city level.
The requirements of 12.7.5. I shall not apply where otherwise permitted by any one of the following:
  1. Where penetrations are tested and installed as part of an assembly tested and rated in accordance with ASTM E 119, Standard Test Methods for Fire Tests of Building Construction and Materials or ANSI/UL 263, Standard for Fire Tests of Building Construction and Materials
  2. Where penetrations through floors are enclosed in a shaft enclosure designed as a fire barrier
  3. Where concrete, grout, or mortar has been used to fill the annular spaces around cast-iron, copper, or steel piping that penetrates one or more concrete or masonry fire resistance-rated assemblies and both of the following criteria are also met:
    1. The nominal diameter of each penetrating item shall not exceed 6 in. (150 mm), and the opening size shall not exceed 1 ft2 (0.09 m2).
    2. The thickness of the concrete, grout, or mortar shall be the full thickness of the assembly.

12.7.5.1.2

AMENDMENT
This section has been amended at the state or city level.
The maximum nominal diameter of the penetrating item, shall not be greater than four inches (100 mm) and shall not exceed an aggregate 100 in.2 (64,520 mm2) opening in any 100 ft2 (9.3 m2) of floor or wall area. [101: 8.3.5.1.2]
Firestop systems and devices shall have a minimum 1-hour F rating, but not less than the required fire resistance rating of the fire barrier penetrated. [101: 8.3.5.1.3]
Penetrations in fire resistance-rated horizontal assemblies shall be required to have a T rating of at least 1 hour, but not less than the fire resistance rating of the horizontal assembly, and shall not be required for either of the following:
  1. Floor penetrations contained within the cavity of a wall assembly
  2. Penetrations through floors or floor assemblies where the penetration is not in direct contact with combustible material [101: 8.3.5.1.4]
Where the penetrating item uses a sleeve to penetrate the wall or floor, the sleeve shall be securely set in the wall or floor, and the space between the item and the sleeve shall be filled with a material that complies with 12.7.5.1. [101: 8.3.5.2]
Insulation and coverings for penetrating items shall not pass through the wall or floor unless the insulation or covering has been tested as part of the firestop system or device. [101: 8.3.5.3]
Where designs take transmission of vibrations into consideration, any vibration isolation shall meet one of the following conditions:
  1. It shall be provided on either side of the wall or floor.
  2. It shall be designed for the specific purpose. [101: 8.3.5.4]
Where piping penetrates a fire resistance-rated wall or floor assembly, combustible piping shall not connect to noncombustible piping within 36 in. (915 mm) of the firestop system or device without demonstration that the transition will not reduce the fire resistance rating, except in the case of previously approved installations. [101: 8.3.5.5.1]
Unshielded couplings shall not be used to connect noncombustible piping to combustible piping unless it can be demonstrated that the transition complies with the fire-resistive requirements of 12.7.5.1. [101: 8.3.5.5.2]
Membrane penetrations for cables, cable trays, conduits, pipes, tubes, combustion vents and exhaust vents, wires, and similar items to accommodate electrical, mechanical, plumbing, and communications systems that pass through a membrane of a wall, floor, or floor/ceiling assembly constructed as a fire barrier shall be protected by a firestop system or device and shall comply with 12.7.5.1 through 12.7.5.5.2. [101: 8.3.5.6.1]
The firestop system or device shall be tested in accordance with ASTM E 814, Standard Test Method for Fire Tests of Through Penetration Fire Stops, or ANSI/UL 1479, Standard for Fire Tests of Through-Penetration Firestops, at a minimum positive pressure differential of 0.01 in. water column (2.5 N/m2) between the exposed and the unexposed surface of the test assembly, unless one of the following applies:
  1. Membrane penetrations of ceilings that are not an integral part of a fire resistance-rated floor/ceiling or roof/ceiling assembly shall be permitted.
  2. Membrane penetrations of steel, ferrous, or copper conduits, pipes, tubes, or combustion vents or exhaust vents shall be permitted where the annular space is protected with an approved material, and the aggregate area of the openings does not exceed 0.7 ft2 (0.06 m2) in any 100 ft2 (9.3 m2) of ceiling area.
  3. Electrical outlet boxes and fittings shall be permitted, provided that such devices are listed for use in fire resistance-rated assemblies and are installed in accordance with their listing.
  4. The annular space created by the membrane penetration of a fire sprinkler shall be permitted, provided that the space is covered by a metal escutcheon plate. [101: 8.3.5.6.2]
Where walls or partitions are required to have a minimum 1-hour fire resistance rating, recessed fixtures shall be installed in the wall or partition in such a manner that the required fire resistance is not reduced, unless one of the following is met:
  1. Any steel electrical box not exceeding 0.1 ft2 (0.01 m2) shall be permitted where the aggregate area of the openings provided for the boxes does not exceed 0.7 ft2 (0.06 m2) in any 100 ft2 (9.3 m2) of wall area, and, where outlet boxes are installed on opposite sides of the wall, the boxes shall be separated by one of the following:
    1. Horizontal distance of not less than 24 in. (610 mm)
    2. Horizontal distance of not less than the depth of the wall cavity, where the wall cavity is filled with cellulose loose-fill, rockwool, or slag wool insulation
    3. *Solid fireblocking
    4. Other listed materials and methods
  2. Membrane penetrations for any listed electrical outlet box made of any material shall be permitted, provided that such boxes have been tested for use in fire resistance-rated assemblies and are installed in accordance with the instructions included in the listing.
  3. The annular space created by the membrane penetration of a fire sprinkler shall be permitted, provided that the space is covered by a metal escutcheon plate.
  4. Membrane penetrations by electrical boxes of any size or type, which have been listed as part of a wall opening protective material system for use in fire-resistance-rated assemblies and are installed in accordance with the instructions included in the listing shall be permitted. [101: 8.3.5.6.3]
Openings in fire barriers for air-handling ductwork or air movement shall be protected in accordance with 11.2.1. [101: 8.3.5.7]
The provisions of 12.7.5.8 shall govern the materials and methods of construction used to protect joints in between and at the perimeter of fire barriers or, where fire barriers meet other fire barriers, the floor or roof deck above, or the outside walls. The provisions of 12.7.5.8 shall not apply to approved existing materials and methods of construction used to protect existing joints in fire barriers, unless otherwise required by Chapters 11 through 43 of NFPA 101. [101: 8.3.6.1]
Joints made within or at the perimeter of fire barriers shall be protected with a joint system that is capable of limiting the transfer of smoke. [101: 8.3.6.2]
Joints made within or between fire barriers shall be protected with a smoke-tight joint system that is capable of limiting the transfer of smoke. [101: 8.3.6.3]
Testing of the joint system in a fire barrier shall be representative of the actual installation suitable for the required engineering demand without compromising the fire resistance rating of the assembly or the structural integrity of the assembly. [101: 8.3.6.4]
Joints made within or between fire resistance-rated assemblies shall be protected with a joint system that is designed and tested to prevent the spread of fire for a time period equal to that of the assembly in which the joint is located. Such materials, systems, or devices shall be tested as part of the assembly in accordance with the requirements of ASTM E 1966, Standard Test Method for Fire-Resistive Joint Systems, or ANSI/UL 2079, Standard for Tests for Fire Resistance of Building Joint Systems. [101: 8.3.6.5]
All joint systems shall be tested at their maximum joint width in accordance with the requirements of ASTM E 1966 or ANSI/UL 2079, under a minimum positive pressure differential of 0.01 in. water column (2.5 N/m2) for a time period equal to that of the assembly. All test specimens shall comply with the minimum height or length required by the standard. Wall assemblies shall be subjected to a hose stream test in accordance with ASTM E 119 or ANSI/UL 263. [101: 8.3.6.6]
Voids created between the fire resistance-rated floor assembly and the exterior curtain wall shall be protected with a perimeter joint system that is designed and tested in accordance with ASTM E 2307, Standard Test Method for Fire Resistance of Perimeter Fire Barriers Using Intermediate-Scale, Multistory Apparatus. [101: 8.3.6.7.1]
The perimeter joint system shall have an F rating equal to the fire resistance rating of the floor assembly. [101: 8.3.6.7.2]

12.8.1* General

AMENDMENT
This section has been amended at the state or city level.
Where required elsewhere in this Code, smoke partitions shall be maintained to limit the transfer of smoke.

12.8.2 Continuity

AMENDMENT
This section has been amended at the state or city level.
Doors in smoke partitions shall comply with 12.8.3.2 through 12.8.3.5. [101: 8.4.3.1]
Doors shall comply with the provisions of 7.2.1 of NFPA 101. [101: 8.4.3.2]
Doors shall not include louvers. [101: 8.4.3.3]
Door clearances shall be in accordance with NFPA 80. [101: 8.4.3.4]
Doors shall be self-closing or automatic-closing in accordance with 14.5.4. [101: 8.4.3.5]
The provisions of 12.8.4 shall govern the materials and methods of construction used to protect through-penetrations and membrane penetrations of smoke partitions. [101: 8.4.4]
Penetrations for cables, cable trays, conduits, pipes, tubes, vents, wires, and similar items to accommodate electrical, mechanical, plumbing, and communications systems that pass through a smoke partition shall be protected by a system or material that is capable of limiting the transfer of smoke. [101: 8.4.4.1]
Where designs take transmission of vibrations into consideration, any vibration isolation shall meet one of the following conditions:
  1. It shall be provided on either side of the smoke partition.
  2. It shall be designed for the specific purpose. [101: 8.4.4.2]

12.8.5 Joints

ILLUSTRATION
The provisions of 12.8.5 shall govern the materials and methods of construction used to protect joints in between and at the perimeter of smoke partitions or, where smoke partitions meet other smoke partitions, the floor or roof deck above, or the outside walls. The provisions of 12.8.5 shall not apply to approved existing materials and methods of construction used to protect existing joints in smoke partitions, unless otherwise required by Chapters 11 through 43 of NFPA 101. [101: 8.4.5.1]
Joints made within or at the perimeter of smoke partitions shall be protected with a joint system that is capable of limiting the transfer of smoke. [101: 8.4.5.2]
The provisions of 12.8.6 shall govern the materials and methods of construction used to protect air-transfer openings in smoke partitions. [101: 8.4.6.1]
Air-transfer openings in smoke partitions shall be provided with approved smoke dampers designed and tested in accordance with the requirements of ANSI/UL 555S, Standard for Smoke Dampers, to limit the transfer of smoke. [101: 8.4.6.2]
Smoke damper leakage ratings shall be not less than Class II. Elevated temperature ratings shall be not less than 250°F (140°C). [101: 8.4.6.3]
Dampers in air-transfer openings shall close upon detection of smoke by approved smoke detectors installed in accordance with NFPA 72, National Fire Alarm and Signaling Code and Section 13.7. [101: 8.4.6.4]

12.9 Smoke Barriers

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12.9.1* General

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12.9.2* Continuity

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12.9.2.1

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12.9.2.2

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12.9.2.3

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12.9.3 Fire Barrier Used as Smoke Barrier

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12.9.4 Opening Protectives

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12.9.4.1*

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12.9.4.2

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12.9.4.3

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12.9.4.4*

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12.9.4.5

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12.9.5 Ducts and Air-Transfer Openings

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12.9.5.1 General

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12.9.5.2 Smoke Dampers

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12.9.5.2.1

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12.9.5.2.2

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12.9.5.3 Smoke Damper Exemptions

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12.9.5.4 Installation, Testing, and Maintenance

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12.9.5.4.1

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12.9.5.4.2

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12.9.5.4.3

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12.9.5.5 Access and Identification

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12.9.5.5.1

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12.9.5.5.2

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12.9.5.5.3 Identification

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12.9.5.6 Smoke Damper Ratings

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12.9.5.7 Smoke Detectors

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12.9.5.7.1

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12.9.5.7.2

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12.9.5.7.3

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12.9.6 Penetrations

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12.9.6.1

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12.9.6.2

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12.9.6.3

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12.9.6.4

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12.9.6.5

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12.9.6.6

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12.9.7 Joints

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12.9.7.1

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12.9.7.2

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12.9.7.3

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12.9.7.4

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12.9.7.5

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