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Article 15 Construction Group I-Noncombustible
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Buildings or spaces in noncombustible construction group I are those in which the walls, exitways, shafts, structural members, floors, and roofs are constructed of noncombustible materials and assemblies affording the fire-resistance ratings specified in table 3-4. The noncombustible construction group I consists of classes I-A, I-B, I-C, I-D, and I-E.
Includes buildings and spaces in which the bearing walls and other major structural elements are generally of four-hour fire-resistance rating.
Includes buildings and spaces in which the bearing walls and other major structural elements are generally of three-hour fire-resistance rating.
Includes buildings and spaces in which the bearing walls and other major structural elements are generally of two-hour fire-resistance rating.
Includes buildings and spaces in which the bearing walls and other major structural elements are generally of one-hour fire-resistance rating.
Includes buildings and spaces in which the bearing walls and other major structural elements generally have no fire-resistance rating.
Related Code Sections
Article 15 Occupancy and Construction Classification, Construction Group I-Noncombustible
Buildings or spaces in noncombustible construction group I are those in which the walls, exitways, shafts, structural members, floors, and roofs ...
NYC 1968 Code (Vol I) > 3 Occupancy and Construction Classification > 15 Construction Group I-Noncombustible
§27-279 Occupancy and Construction Classification, Construction Class I-E
Includes buildings and spaces in which the bearing walls and other major structural elements generally have no fire-resistance rating ...
NYC 1968 Code (Vol I) > 3 Occupancy and Construction Classification > 15 Construction Group I-Noncombustible > §27-279 Construction Class I-E
§27-269 Occupancy and Construction Classification, Construction Classes
of articles fifteen, sixteen and seventeen of this subchapter.
TABLE 3-3 CONSTRUCTION CLASSES
Construction Group
Class
I ...
NYC 1968 Code (Vol I) > 3 Occupancy and Construction Classification > 14 Construction Classifications > §27-269 Construction Classes
§27-434 Special Uses and Occupancies, Construction
Heliports shall be permitted only on buildings classified in noncombustible construction group I. All heliport construction above the building roof ...
§27-346 Fire Protection Construction Requirements, Partitions and Furring
In buildings of construction group I, partitions and furring shall be constructed of noncombustible materials, except that nonbearing partitions ...
NYC 1968 Code (Vol I) > 5 Fire Protection Construction Requirements > 5 Prevention of Interior Fire Spread > §27-346 Partitions and Furring