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Chapter 1: Administration
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Chapter 3: Maintenance of Buildings
Chapter 4: Licensing and Registration of Businesses, Trades and Occupations Engaged in Building Work
Chapter 5: Miscellaneous Provisions
Chapter 6: New York City Plumbing Code
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Article 701: Enactment and Update of the New York City Building Code
§ 28-701.1 Update.
§ 28-701.2 Enactment of the New York City Building Code.
Chapter 1: Administration
Chapter 2: Definitions
Chapter 3: Use and Occupancy Classification
Chapter 4: Special Detailed Requirements Based on Use and Occupancy
Section BC 401: Scope
Section BC 402: Covered Mall and Open Mall Buildings
Section BC 403: High-Rise Buildings
Section BC 404: Atriums
Section BC 405: Underground Buildings and Spaces
Section BC 406: Motor Vehicle-Related Occupancies
Section BC 407: Group I-2
Section BC 408: Group I-3
Section BC 409: Motion Picture Projection Rooms
Section BC 410: Stages, Platforms and Technical Production Areas
Section BC 411: Special Amusement Buildings
Section BC 412: Aircraft-Related Occupancies
Section BC 413: Combustible Storage
Section BC 414: Hazardous Materials
Section BC 415: Groups H-1, H-2, H-3, H-4 and H-5
415.1 Scope.
415.2 Definitions.
415.3 Automatic fire detection systems.
415.4 Automatic sprinkler system.
415.5 Emergency alarms.
415.5.1 Storage.
415.5.2 Dispensing, use and handling.
415.5.3 Supervision.
415.5.4 Emergency alarm systems.
415.6 Fire separation distance.
415.6.1 Group H occupancy minimum fire separation distance.
415.6.1.1 Group H-1.
415.6.1.2 Group H-2.
415.6.1.3 Groups H-2 and H-3.
415.6.1.4 Explosive materials.
415.6.2 Detached buildings for Group H-1, H-2 or H-3 occupancy.
415.6.2.1 Wall and opening protection.
415.7 Special provisions for Group H-1 occupancies.
415.7.1 Floors in storage rooms.
415.8 Special provisions for Group H-2 and H-3 occupancies.
415.8.1 Multiple hazards.
415.8.2 Separation of incompatible materials.
415.8.3 Water reactives.
415.8.4 Floors in storage rooms.
415.8.5 Waterproof room.
415.9 Group H-2.
415.9.1 Flammable and combustible liquids.
415.9.1.1 Mixed occupancies.
415.9.1.1.1 Height exception.
415.9.1.2 Tank protection.
415.9.1.2.1 Tanks.
415.9.1.3 Suppression.
415.9.1.4 Leakage containment.
415.9.1.5 Leakage alarm.
415.9.1.6 Tank vent.
415.9.1.7 Room ventilation.
415.9.1.8 Explosion venting.
415.9.1.9 Tank openings other than vents.
415.9.2 Liquefied petroleum gas-distribution facilities.
415.9.3 Dry cleaning plants.
415.10 Groups H-3 and H-4.
415.10.1 Flammable and combustible liquids.
415.10.2 Gas rooms.
415.10.3 Floors in storage rooms.
415.10.4 Separation - highly toxic solids and liquids.
415.11 Group H-5.
415.11.1 Fabrication areas.
415.11.1.1 Hazardous materials.
415.11.1.1.1 Aggregate quantities.
415.11.1.1.2 Hazardous production materials.
415.11.1.2 Separation.
415.11.1.3 Location of occupied levels.
415.11.1.4 Floors.
415.11.1.5 Shafts and openings through floors.
415.11.1.6 Ventilation.
415.11.1.7 Transporting hazardous production materials to fabrication areas.
415.11.1.8 Electrical.
415.11.1.8.1 Workstations.
415.11.2 Corridors.
415.11.3 Service corridors.
415.11.3.1 Use conditions.
415.11.3.2 Mechanical ventilation.
415.11.3.3 Means of egress.
415.11.3.4 Minimum width.
415.11.3.5 Emergency alarm system.
415.11.3.5.1 Service corridors.
415.11.3.5.2 Exit access corridors and exit enclosures.
415.11.3.5.3 Liquid storage rooms, HPM rooms and gas rooms.
415.11.3.5.4 Alarm-initiating devices.
415.11.3.5.5 Alarm signals.
415.11.4 Storage of hazardous production materials.
415.11.5 HPM rooms, gas rooms, liquid storage room construction.
415.11.5.1 HPM rooms and gas rooms.
415.11.5.2 Liquid storage rooms.
415.11.5.3 Floors.
415.11.5.4 Location.
415.11.5.5 Explosion control.
415.11.5.6 Exits.
415.11.5.7 Doors.
415.11.5.8 Ventilation.
415.11.5.9 Emergency alarm system.
415.11.6 Piping and tubing.
415.11.6.1 HPM having a health-hazard ranking of 3 or 4.
415.11.6.2 Location in service corridors.
415.11.6.3 Excess flow control.
415.11.6.4 Installations in corridors and above other occupancies.
415.11.6.5 Identification.
415.11.7 Continuous gas detection systems.
415.11.7.1 Where required.
415.11.7.1.1 Fabrication areas.
415.11.7.1.2 HPM rooms.
415.11.7.1.3 Gas cabinets, exhausted enclosures and gas rooms.
415.11.7.1.4 Corridors.
415.11.7.2 Gas detection system operation.
415.11.7.2.1 Alarms.
415.11.7.2.2 Shutoff of gas supply.
415.11.8 Manual fire alarm system.
415.11.9 Emergency control station.
415.11.9.1 Location.
415.11.9.2 Staffing.
415.11.9.3 Signals.
415.11.10 Emergency power system.
415.11.10.1 Required electrical systems.
415.11.10.2 Exhaust ventilation systems.
415.11.11 Automatic sprinkler system protection in exhaust ducts for HPM.
415.11.11.1 Metallic and noncombustible nonmetallic exhaust ducts.
415.11.11.2 Combustible nonmetallic exhaust ducts.
415.11.11.3 Automatic sprinkler locations.
Section BC 416: Application of Flammable Finishes
Section BC 417: Drying Rooms
Section BC 418: Organic Coatings
Section BC 419: Reserved
Section BC 420: Groups I-1, R-1, R-2, R-3
Section BC 421: Hydrogen Fuel Gas Rooms
Section BC 422: Ambulatory Care Facilities
Section BC 423: Storm Shelters
Section BC 424: Children's Play Structures
Section BC 425: Hyperbaric Facilities
Section BC 426: Combustible Dusts, Grain Processing and Storage
Section BC 427: Non-Production Chemical Laboratories
Section BC 428: Uses and Occupancies Involving Radioactive Materials and Radiation-Producing Equipment
Chapter 5: General Building Heights and Areas; Separation of Occupancies
Chapter 6: Types of Construction
Chapter 7: Fire and Smoke Protection Features
Chapter 8: Interior Finishes
Chapter 9: Fire Protection Systems
Chapter 10: Means of Egress
Chapter 11: Accessibility
Chapter 12: Interior Environment
Chapter 13: Energy Efficiency
Chapter 14: Exterior Walls
Chapter 15: Roof Assemblies and Rooftop Structures
Chapter 16: Structural Design
Chapter 17: Special Inspections and Tests
Chapter 18: Soils and Foundations
Chapter 19: Concrete
Chapter 20: Aluminum
Chapter 21: Masonry
Chapter 22: Steel
Chapter 23: Wood
Chapter 24: Glass and Glazing
Chapter 25: Gypsum Board, Gypsum Panel Products and Plaster
Chapter 26: Plastic
Chapter 27: Electrical
Chapter 28: Mechanical Systems
Chapter 29: Plumbing Systems
Chapter 30: Elevators and Conveying Systems
Chapter 31: Special Construction
Chapter 32: Encroachments Into the Public Right-of-Way
Chapter 33: Safeguards During Construction or Demolition
Chapter 34: Reserved
Chapter 35: Referenced Standards
Appendix A: Reserved
Appendix B: Reserved
Appendix C: Reserved
Appendix D: Fire Districts
Appendix E: Supplementary Accessibility Requirements
Appendix F: Rodent Proofing
Appendix G: Flood-Resistant Construction
Appendix H: Outdoor Signs
Appendix I Reserved
Appendix J Reserved
Appendix K: Modified Industry Standards for Elevators and Conveying Systems
Appendix L: Reserved
Appendix M: Supplementary Requirements for One- and Two-Family Dwellings
Appendix N: Assistive Listening Systems Performance Standards
Appendix O: Reserved
Appendix P: Reserved
Appendix Q: Modified National Standards for Automatic Sprinkler, Standpipe, Fire Pump, Fire Alarm, and Smoke Control Systems
Appendix R: Acoustical Tile and Lay-In Panel Ceiling Suspension Systems
Appendix S: Supplementary Figures for Luminous Egress Path Markings
Appendix U: Ancillary Dwelling Units
Chapter 8: New York City Mechanical Code
Chapter 9: New York City Fuel Gas Code
Chapter 10: New York City Energy Code
Chapter 11: The New York City Electrical Code
Title 29: New York City Fire Code
Title 30: Emergency Management
Title 31: Department of Veterans' Services
Title 32: Labor and Employment
Title 33: Investigations
Title 34: Racial Equity
Appendix A: Unconsolidated Local Laws
The Rules of the City of New York
THE RULES OF THE CITY OF NEW YORK
Title 1: Department of Buildings
Title 2: Board of Standards and Appeals
Title 3: Fire Department
Title 6: Department of Consumer and Worker Protection
Title 9: Procurement Policy Board Rules
Title 12: Franchise and Concession Review Committee
Title 15: Department of Environmental Protection
Title 16: Department of Sanitation
Title 17: Business Integrity Commission
Title 19: Department of Finance
Title 20: Tax Appeals Tribunal
Title 21: Tax Commission
Title 22: Banking Commission
Title 24: Department of Health and Mental Hygiene
Title 25: Department of Mental Health and Retardation [Repealed]
Title 28: Housing Preservation and Development
Title 29: Loft Board
Title 30: Rent Guidelines Board
Title 31: Mayor's Office of Homelessness and Single Room Occupancy
Title 34: Department of Transportation
Title 35: Taxi and Limousine Commission
Title 38: Police Department
Title 38-A: Civilian Complaint Review Board
Title 39: Department of Correction
Title 40: Board of Correction
Title 41: Department of Juvenile Justice
Title 42: Department of Probation
Title 43: Mayor
Title 44: Comptroller
Title 45: Borough Presidents
Title 46: Law Department
Title 47: Commission on Human Rights
Title 48: Office of Administrative Trials and Hearings (OATH)
Title 49: Department of Records and Information Services
Title 50: Community Assistance Unit
Title 51: City Clerk
Title 52: Campaign Finance Board*
Title 53: Conflicts of Interest Board
Title 55: Department of Citywide Administrative Services
Title 56: Department of Parks and Recreation
Title 57: Art Commission
Title 58: Department of Cultural Affairs
Title 60: Civil Service Commission
Title 61: Office of Collective Bargaining
Title 62: City Planning
Title 63: Landmarks Preservation Commission
Title 66: Department of Small Business Services
Title 67: Department of Information Technology and Telecommunications
Title 68: Human Resources Administration
Title 69: Department of Aging
Title 70: In Rem Foreclosure Release Board
Title 71: Voter Assistance Commission
Title 72: Office of Emergency Management
Title 73: Civic Engagement Commission
Title 74: Community Hiring
415.11.7 Continuous gas detection systems.
A continuous gas detection system shall be provided for HPM gases where the physiological warning threshold level of the gas is at a higher level than the accepted permissible exposure limit (PEL) for the gas and for flammable gases in accordance with Sections 415.11.7.1 and 415.11.7.2.
415.11.7.1 Where required.
A continuous gas detection system shall be provided in the areas identified in Sections 415.11.7.1.1 through 415.11.7.1.4.
415.11.7.1.1 Fabrication areas.
A continuous gas detection system shall be provided in fabrication areas where gas is used in the fabrication area.
415.11.7.1.2 HPM rooms.
A continuous gas detection system shall be provided in HPM rooms where gas is used in the room.
415.11.7.1.3 Gas cabinets, exhausted enclosures and gas rooms.
A continuous gas detection system shall be provided in gas cabinets and exhausted enclosures. A continuous gas detection system shall be provided in gas rooms where gases are not located in gas cabinets or exhausted enclosures.
415.11.7.1.4 Corridors.
Where gases are transported in piping placed within the space defined by the walls of a corridor and the floor or roof above the corridor, a continuous gas detection system shall be provided where piping is located and in the corridor.
   Exception: A continuous gas detection system is not required for occasional transverse crossings of the corridors by supply piping that is enclosed in a ferrous pipe or tube for the width of the corridor.
415.11.7.2 Gas detection system operation.
The continuous gas detection system shall be capable of monitoring the room, area or equipment in which the gas is located at or below all the following gas concentrations:
   1.   Immediately dangerous to life and health (IDLH) values where the monitoring point is within an exhausted enclosure, ventilated enclosure or gas cabinet.
   2.   Permissible exposure limit (PEL) levels where the monitoring point is in an area outside an exhausted enclosure, ventilated enclosure or gas cabinet.
   3.   For flammable gases, the monitoring detection threshold level shall be vapor concentrations in excess of 25 percent of the lower flammable limit (LFL) where the monitoring is within or outside an exhausted enclosure, ventilated enclosure or gas cabinet.
   4.   Except as noted in this section, monitoring for highly toxic and toxic gases shall also comply with the New York City Fire Code.

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