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901.9.3 Additional Requirements for Enlargements
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Fire protection systems shall be provided in enlarged portions of a building and where this chapter would require such systems in new construction for a space or building.
Exception: Section 901.9.3 shall not require sprinklers to be installed in enlarged portions of unsprinklered buildings to be occupied exclusively as one- or two-family dwellings. This exception shall not apply where sprinklers are otherwise required by the provisions of Sections 901.9.2 or 901.9.4.
Related Code Sections
901.9.3 Fire Protection Systems, Additional Requirements for Enlargements
Fire protection systems shall be provided in enlarged portions of a building and where this chapter would require such systems in new construction ...
NYC Building Code 2014 > 9 Fire Protection Systems > 901 General > 901.9 Special Provisions for Prior Code Buildings > 901.9.3 Additional Requirements for Enlargements
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served. If inadequate, the existing system shall be enlarged as required or separate piping of adequate capacity shall be provided ...
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1704.24.1.2 Structural Tests and Special Inspections, Enlargements or Additions to Existing System
Where there is an enlargement that triggers a new standpipe system or there is an addition to an existing standpipe system, hydrostatic pressure ...
NYC Building Code 2014 > 17 Structural Tests and Special Inspections > 1704 Special Inspections > 1704.24 Standpipe System Special Inspection > 1704.24.1 Hydrostatic Pressure Testing > 1704.24.1.2 Enlargements or Additions to Existing System
§27-304 Building Limitations, Existing Excessive Area
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 ...
NYC 1968 Code (Vol I) > 4 Building Limitations > 6 Area Limitations > §27-304 Existing Excessive Area