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§27-281 Construction Class II-A
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Includes heavy timber construction in which fire-resistance is attained by limiting the minimum sizes of wood structural members and the minimum thickness and composition of wood floors and roofs; by avoiding concealed spaces under floors and roofs or by providing fire-stopping protection for these spaces; and by using fastenings, construction details, and adhesives for structural members as required by article seven of subchapter ten of this chapter. The minimum dimensions for framing members shall be prescribed in section 27-623 of article seven of subchapter ten of this chapter, except that members which are protected to provide a fire-resistance rating of at least one hour need not comply with this requirement.
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§27-281 Occupancy and Construction Classification, Construction Class II-A
Includes heavy timber construction in which fire-resistance is attained by limiting the minimum sizes of wood structural members and the minimum ...
NYC 1968 Code (Vol I) > 3 Occupancy and Construction Classification > 16 Construction Group II-Combustible > §27-281 Construction Class II-A
§27-623 Structural Work, Heavy Timber Construction (Construction Class II-A)
(a) Minimum sizes of members. To conform to the fire resistance rating requirements for heavy timber construction (construction class II-A), members ...
NYC 1968 Code (Vol I) > 10 Structural Work > 7 Wood > §27-623 Heavy Timber Construction (Construction Class II-A)
§27-496 Special Uses and Occupancies, Construction
and supported directly from the ground may, when located outside of the fire districts, be constructed of timber meeting the requirements of construction class ...
NYC 1968 Code (Vol I) > 7 Special Uses and Occupancies > 16 Radio and Television Towers > §27-496 Construction
§27-336 Fire Protection Construction Requirements, Porticos, Porches, Etc
or assemblies on buildings of construction class II-E to an unlimited extent, and on buildings of construction classes II-A, II-B, II-C, and II-D under ...
NYC 1968 Code (Vol I) > 5 Fire Protection Construction Requirements > 4 Prevention of Exterior Fire Spread > §27-336 Porticos, Porches, Etc
§27-283 Occupancy and Construction Classification, Construction Class II-C
for class II-A construction, or are of other combustible or noncombustible materials having no fire-resistance ratings ...
NYC 1968 Code (Vol I) > 3 Occupancy and Construction Classification > 16 Construction Group II-Combustible > §27-283 Construction Class II-C