Source: https://up.codes/viewer/new_york_city/nyc_building_code_1968/chapter/4/building-limitations
Timestamp: 2017-11-21 19:00:19
Document Index: 718791274

Matched Legal Cases: ['§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27', '§27']

Subchapter 4: Building Limitations, NYC 1968 (Vol I) | UpCodes
§27-288 Scope
§27-289 Standards
§27-290 Definitions
3 Fire Districts
§27-293 Inside Fire Districts
§27-294 Outside Fire Districts
§27-295 Mixed Districts
4 Limitations Inside the Fire Districts
5 Limitations Outside the Fire Districts
§27-299 Limitations
§27-300 Additions to Existing Buildings
6 Area Limitations
§27-301 Area Limitations of Buildings
§27-302 Area Limitations of Spaces
§27-303 Frontage Increase
§27-304 Existing Excessive Area
7 Height Limitations
§27-305 Height Limitations of Buildings
§27-306 Measurement
§27-306.1 Measurement; Solar Thermal and Solar Electric (Photovoltaic) Collectors And/Or Panels and Their Supporting Equipment
The provisions of this article establish building access requirements; shall regulate the division of the city of New York into fire districts and control the occupancy groups and construction classes permitted therein; shall regulate permissible building areas, height and projections beyond the street line and shall establish special flood hazard areas and a regulatory flood datum in the city of New York and regulate permissible occupancies and construction or other improvement below such flood datum within such flood hazard areas.
The provisions of reference standard RS-4 shall be a part of this subchapter.
Article 3 Fire Districts
The following city areas are hereby established as being inside the fire districts:
(a) All of the borough of Manhattan.
(b) All of the borough of Bronx.
(c) All of the borough of Brooklyn.
(d) Such portions of the boroughs of Staten Island and Queens as are indicated on the "fire district maps" (reference standards RS4-1 and RS4-2).
All areas not included inside the fire districts shall be designated as outside fire districts.
Any building located on the boundary line of a fire district, so that it is both inside and outside the district, shall be of a type of construction required for the fire districts if more than twenty-five per cent of the total floor area of the building is located therein.
Article 5 Limitations Outside the Fire Districts
No buildings in those combinations of construction classes and occupancy groups prohibited by tables 4-1 and 4-2 shall be erected outside the fire districts. No building or space classified in occupancy group J-1 or J-2 may be located on a lot containing a building classified in construction group IE, IID or IIE. No building classified in construction group IE, IID, or IIE shall be located on a lot containing a building or space classified in occupancy group J-1 or J-2.
No building outside of the fire districts may be increased in area or height to exceed the limitations of tables 4-1 and 4-2.
Article 6 Area Limitations
No building or building section shall be constructed or altered so as to exceed the area limits established by tables 4-1 and 4-2 based on the occupancy group classification of the building or building section, except as these may be specifically modified by other provisions of this code.
No occupancy within a building or building section shall be constructed or altered so as to exceed in total cumulative area the area limits established by tables 4-1 and 4-2, except as these may be specifically modified by other provisions of this code.
When a building has more than twenty-five per cent of the total perimeter of the building fronting directly upon a street or frontage space, the tabular areas listed in tables 4-1 and 4-2 may be increased 1.33 per cent for each one per cent of such excess frontage.
Any building existing on December sixth, nineteen hundred sixty-eight that exceeds the maximum allowable area permitted under the provisions of this section, may be enlarged if the addition is separated from the existing building by a fire division meeting the requirements of subchapter five of this chapter, and if the additional area does not exceed the limits established by tables 4-1 and 4-2 for the specific occupancy group and construction class.
Article 7 Height Limitations
* TABLE 4-1 AREA AND HEIGHT LIMITATIONS FOR UNSPRINKLERED BUILDINGS AND SPACES
Notes for Table 4-1:
Tabulated areas are given in sq. ft. and establish maximum gross area permitted on any one story within a building or fire area. See section 27-303 and subdivision (e) of section 27-328 for permissible area increases. Tabulated heights are given in feet and number of stories (in parentheses).
a See section 27-297 for construction exemptions.
b See article eleven of subchapter seven of chapter one of this title for area and height limitations of open parking structures.
c See paragraph two of subdivision (b) of section 27-548 for grandstand limitations.
d See subdivision (c) of section 27-339 for area limitations for existing office buildings one hundred feet or more in height with mechanical ventilation and/or air-conditioning systems that serve floors other than the floor on which the equipment is located.
e Spaces in occupancy group A solely due to their containing gas distribution piping at pressure levels above fifteen psig may be unsprinklered and conform with the area and height limitations set forth in table 4-2, provided other fire protection requirements set forth in section 27-404 and subchapters five and seventeen of chapter one of this title are met.
f See section 27-954 for area limitations for buildings less than seventy-five ft. in height.
g See subdivisions (u) and (v) of section 27-954 for requirements pertaining to F-4 spaces within J-1 buildings, catering establishments and banquet halls with occupant load of three hundred or more persons.
*Local Law 10-1999.
TABLE 4-2 AREA AND HEIGHT LIMITATIONS FOR SPRINKLERED BUILDINGS AND SPACES
Notes for Table 4-2:
Tabulated areas are given in square feet and establish maximum gross area permitted on any one story within a building or fire area. See section 27-303 for permissible area increases. Tabulated heights are given in feet and number of stories (in parentheses).
p>a See section 27-297 for construction exemptions.
b See article eleven of subchapter seven of this chapter for area and height limitations of open parking structures.
No building or building section shall be constructed or altered so as to exceed the height limits established by tables 4-1 and 4-2 based on the occupancy group classification of the building or building section, except as these may be specifically modified by other provisions of this code.
In applying the provisions of this code governing height limits, the following appurtenant structures shall not be included in the height of the building unless the aggregate area of all such structures, exclusive of any solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment, exceeds thirty-three and one-third percent of the area of the roof of the building upon which they are erected:
(a) Roof tanks and their supports.
(b) Ventilating, air conditioning, combined heat and power systems, and similar building service equipment.
(c) Roof structures, bulkheads, and penthouses.
(d) Chimneys.
(e) Parapet walls four feet or less in height.
Notwithstanding any inconsistent provision of section 27-306 of this code, solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment that exceed 33 and one-third percent of the area of the roof of the building upon which they are erected shall not be included in the height of a building or considered an additional story.