N.J. Admin. Code § 5:23-6.29

Current through Register Vol. 56, No. 21, November 4, 2024

Section 5:23-6.29 - Mixed use buildings

(a) Each portion of a building shall be separately classified as to use. The requirements of this subcode shall apply to each portion of the building based on the group of that portion, except that the most restrictive requirements of this subcode for an automatic sprinkler system shall apply to the entire building.

1. Exception: An automatic sprinkler system shall not be required for uses that would not otherwise need an automatic sprinkler system provided that there is a one-hour fire separation between the use(s) requiring an automatic sprinkler system and the other use(s) in the same building. A two-hour fire separation assembly shall be required to apply this exception in any building where one or more of the uses is H. (Plan review--Building, Fire. Inspection--Building)

(b) Separation: In any nonresidential use located below or attached to one or more dwelling units, when the work area exceeds 50 percent of the gross enclosed floor area of the nonresidential use, the nonresidential use shall be separated from the residential use by a one hour fire resistance-rated wall or ceiling assembly designed to protect the dwelling unit(s) attached or above. (Plan review--Building, Fire. Inspection--Building)

(c) Alarms: In any nonresidential use located below or attached to one or more dwelling units (including single room occupancies), when the work area exceeds 50 percent of the gross enclosed floor area of the nonresidential use, single or multiple station smoke alarms shall be installed in the nonresidential portion(s) of the building in accordance with NFPA 72 and provided with an audible alarm located within each dwelling unit of the residential portion of the building. The alarms shall be AC powered with battery back-up. Hard-wired, interconnected smoke alarms installed throughout the building shall be accepted as meeting this requirement. (Fire)

N.J. Admin. Code § 5:23-6.29

Amended by 49 N.J.R. 1020(a), effective 5/1/2017