New York Codes, Rules and Regulations
Title 9 - EXECUTIVE DEPARTMENT
Appendices
Appendix S-1
CLASSIFICATION OF BUILDINGS BY OCCUPANCY OR USE
C1--Business
This group includes, but is not limited to, the following:
Banks
Buildings for broadcasting and telecasting having a capacity of not more than 99
persons
Computer and data processing buildings
Indoor tennis courts designed for or in-
tended to be used by not more than 99
persons, without seating for spectators
Administration buildings
Laboratories, other than chemical
Library buildings having a capacity of not more than 99 persons
Office buildings
Professional offices, incidental to other uses
School administration buildings without classrooms
Telephone exchanges
C2--Mercantile
This group includes, but is not limited to, the following:
Auto sales rooms
Display rooms
Gasoline service stations without mainte-
nance or repair facilities
Markets and supermarkets
Stores, including paint stores without bulk handling facilities
C3--Industrial
This group includes, but is not limited to, the following:
C3.1 Low Hazard:
Car wash facilities
Dairy product processing
Dry cleaning plants using nonflammable solvents
Electric substations
Electrolytic processing excluding those that generate flammable or toxic gases
Electronic assembly plants
Foundries
Power generating plants
Metal processing buildings
Metal fabrication buildings
Ceramic product manufacture
Masonry product manufacture
Waterpumping stations
Wineries, Breweries
C3.2 Moderate Hazard:
Aircraft maintenance and repair facili-
ties
Bakeries
Chemical laboratories and manufactur-
ers other than high hazard
Commercial laundries
Dry cleaning plants using flammable solvents
Metal-working shops requiring volatile or flammable liquids
Motor vehicle maintenance and repair shops
Papermills and sawmills
Woodworking plants excluding furniture manufacture
C3.3 High Hazard:
Celluloid, pyroxylin and nitrocellulose products
Explosives and fireworks manufacturing and distributing
Flammable dust
Gasoline plants and plants for flamma-
ble gas
Oil refineries and oil cracking facilities
Paint and varnish manufacture
Rooms with high oxygen atmosphere in-
cluding hospital operating rooms
Upholstering facilities
Wood furniture manufacture
C4--Storage
This group includes, but is not limited to, the following:
C4.1 Low Hazard:
Cold storage of food products
Firehouse without assembly space
Passenger car storage without mainte-
nance or repair facilities
Storage of noncombustible materials
C4.2 Moderate Hazard:
Aircraft hangars
Book storage
Firehouse with assembly space
Furniture storage, wood
Garage with maintenance or repair fa-
cilities
Grain elevators
Lumber storage without facilities for producing chips or dust
Paper or cardboard storage, tightly packed
Stables or barns within fire limits
Truck or commercial garages
Warehouse and truck terminals
C4.3 High Hazard:
Buildings wherein flammable chips or dust are produced
Gasoline bulk stations including han-
dling facilities
Storage of flammable medical gas or hy-
drogen
Wholesale chemical storage
C5--Assembly
This classification is subdivided into groups,
according to the number of persons or the use of the building, as follows:
Groups C5.1 for not more than six hundred persons.
Group C5.2 for more than six hundred, but not more than fifteen hundred persons.
Group C5.3 for more than fifteen hundred persons.
The above groups, based on number of persons,
include but are not limited to the following:
Amusement park buildings to which the public has access
Armories
Art galleries
Assembly halls
Auditoriums
Bath houses
Bowling alleys
Club rooms
Coliseums and stadiums
Court rooms
Dance halls
Exhibition halls or buildings
Grandstands
Gymnasiums
Indoor tennis courts with seating for spec-
tators
Lecture halls
Libraries and broadcasting and tele-
casting stations having a capacity of more than 99 persons
Lodge halls or rooms
Mortuary Chapels
Motion picture theaters
Museums
Night clubs
Passenger stations and terminals of air,
surface, underground and marine public transportation facilities
Recreation centers, halls and piers
Restaurants
Skating rinks
Tents and similar shelters
Theaters
The following groups include, but are not limited to:
Group C5.4--churches, synagogues, mosques,
and similar places of worship.
Group C5.5--schools, colleges and similar places of education.
C6--Institutional
This classification is subdivided into groups,
according to the movement of the occupants, and includes, but is not limited to, the following:
C6.1--for persons whose movements are not limited and have a normal sense of perception, as follows:
Out-patient clinics without domiciliary fa-
cilities
Days centers for, children 3 years of age or over
C6.2--for persons whose movements are limited because of illness, physical or mental handicap,
(except nursing and old-age homes regulated by the
State Building Construction Code applicable to
Multiple Dwellings).
Examples are as follows:
Child caring institutions with overnight sleeping facilities
Clinics with sleeping rooms
Community residences as defined in sec-
tion 803.3
Day care centers for children under 3
years of age
Hospitals
Infirmaries
Sanitariums
C6.3 Detained or Confined:
Detention homes
Houses of correction
Jails
Mental hospitals.
Penitentiaries
Police lockups
Prisons
Reformatories
C7--Miscellaneous
This group includes, but is not limited to, the following:
Boathouses
Chimneys, free standing
Contractors' temporary buildings
Roofed marine terminals
