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Title 28: New York City Construction Codes
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§ 28-701.1 Update.
§ 28-701.2 Enactment of the New York City Building Code.
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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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Chapter 31: Special Construction
Chapter 32: Encroachments Into the Public Right-of-Way
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Appendix N: Assistive Listening Systems Performance Standards
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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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Title 74: Community Hiring
712.1.5 Joints.
Joints shall be permitted where complying with Section 712.1.5.1 or 712.1.5.2, as applicable.
712.1.5.1 Joints in or between horizontal assemblies.
Joints made in or between horizontal assemblies shall comply with Section 715. The void created at the intersection of a floor/ceiling assembly and an exterior curtain wall assembly shall be permitted where protected in accordance with Section 715.4.
712.1.5.2 Joints in or between nonfire-resistance-rated floor assemblies.
Joints in or between floor assemblies without a required fire-resistance rating shall be permitted where they comply with one of the following:
   1.   The joint shall be concealed within the cavity of a wall.
   2.   The joint shall be located above a ceiling.
   3.   The joint shall be sealed, treated or covered with an approved material or system to resist the free passage of flame and the products of combustion.
   Exception: Joints meeting one of the exceptions listed in Section 715.1.
712.1.6 Ducts and air transfer openings.
Penetrations by ducts and air transfer openings shall be protected in accordance with Section 717. Grease ducts shall be protected in accordance with the New York City Mechanical Code.
712.1.7 Atriums.
In other than Group H occupancies, atriums complying with Section 404 shall be permitted.
712.1.8 Masonry chimney.
Approved vertical openings for masonry chimneys shall be permitted where the annular space is fireblocked at each floor level in accordance with Section 718.2.5.

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