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Title 28: New York City Construction Codes
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§ 28-701.1 Update.
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Chapter 2: Definitions
Chapter 3: Use and Occupancy Classification
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Section BC 701: General
Section BC 702: Definitions
Section BC 703: Fire-Resistance Ratings and Fire Tests
Section BC 704: Fire-Resistance Rating of Structural Members
Section BC 705: Exterior Walls
Section BC 706: Fire Walls
Section BC 707: Fire Barriers
Section BC 708: Fire Partitions
Section BC 709: Smoke Barriers
Section BC 710: Smoke Partitions
Section BC 711: Horizontal Assemblies
Section BC 712: Vertical Openings
712.1 General.
712.1.1 Shaft enclosures.
712.1.2 Individual dwelling unit.
712.1.3 Escalator openings.
712.1.3.1 Opening size.
712.1.3.2 Automatic shutters.
712.1.4 Penetrations.
712.1.5 Joints.
712.1.5.1 Joints in or between horizontal assemblies.
712.1.5.2 Joints in or between nonfire-resistance-rated floor assemblies.
712.1.6 Ducts and air transfer openings.
712.1.7 Atriums.
712.1.8 Masonry chimney.
712.1.9 Two-story openings.
712.1.10 Parking garages.
712.1.10.1 Automobile ramps.
712.1.10.2 Elevators.
712.1.10.3 Duct systems.
712.1.11 Mezzanine.
712.1.12 Exit access stairways and ramps.
712.1.13 Openings.
712.1.13.1 Horizontal fire door assemblies.
712.1.13.2 Access doors.
712.1.14 Group I-3.
712.1.15 Skylights.
712.1.16 Openings otherwise permitted.
Section BC 713: Shaft Enclosures
Section BC 714: Penetrations
Section BC 715: Fire-Resistant Joint Systems
Section BC 716: Opening Protectives
Section BC 717: Ducts and Air Transfer Openings
Section BC 718: Concealed Spaces
Section BC 719: Fire-Resistance Requirements for Plaster
Section BC 720: Thermal- and Sound-Insulating Materials
Section BC 721: Prescriptive Fire Resistance
Section BC 722: Calculated Fire Resistance
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Chapter 29: Plumbing Systems
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Appendix Q: Modified National Standards for Automatic Sprinkler, Standpipe, Fire Pump, Fire Alarm, and Smoke Control Systems
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712.1.13 Openings.
Vertical openings for floor fire doors and access doors shall be permitted where protected by Section 712.1.13.1 or 712.1.13.2.
712.1.13.1 Horizontal fire door assemblies.
Horizontal fire door assemblies used to protect openings in fire-resistance-rated horizontal assemblies shall be tested in accordance with NFPA 288, and shall achieve a fire-resistance rating not less than the assembly being penetrated. Horizontal fire door assemblies shall be labeled by an approved agency. The label shall be permanently affixed and shall specify the manufacturer, the test standard and the fire-resistance rating.
712.1.13.2 Access doors.
Access doors shall be permitted in ceilings of fire-resistance-rated floor/ceiling and roof/ceiling assemblies, provided such doors are tested in accordance with ASTM E 119 or UL 263 as horizontal assemblies and labeled by an approved agency for such purpose.
712.1.14 Group I-3.
In Group I-3 occupancies, vertical openings shall be permitted in accordance with Section 408.5.
712.1.15 Skylights.
Skylights and other penetrations through a fire-resistance-rated roof deck or slab are permitted to be unprotected, provided that the structural integrity of the fire-resistance-rated roof assembly is maintained. Unprotected skylights shall not be permitted in roof assemblies required to be fire-resistance-rated in accordance with Section 705.8.6. The supporting construction shall be protected to afford the required fire-resistance rating of the horizontal assembly supported.
712.1.16 Openings otherwise permitted.
Vertical openings shall be permitted where allowed by other sections of this code.
Section BC 713: Shaft Enclosures
713.1 General.
The provisions of this section shall apply to shafts required to protect openings and penetrations through floor/ceiling and roof/ceiling assemblies. Interior exit stairways and ramps shall be enclosed in accordance with Section 1023.
713.2 Construction.
Shaft enclosures shall be constructed as fire barriers in accordance with Section 707 or horizontal assemblies in accordance with Section 711, or both.

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