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602.2.2 Fire Sprinkler Piping

Los Angeles Mechanical Code > 6 Duct Systems > 602.0 Material > 602.2 Combustibles Within Ducts or Plenums > 602.2.2 Fire Sprinkler Piping
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Nonmetallic fire sprinkler piping in plenums shall be listed and labeled for use in plenums and shall have a flame spread distance not exceeding 5 feet (1524 mm), an average optical density not exceeding 0.15 and, a peak optical density not exceeding 0.5, where tested in accordance with UL 1887.
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Related Code Sections


602.2.2 Duct Systems, Fire Sprinkler Piping
Nonmetallic fire sprinkler piping in plenums shall be listed and labeled for use in plenums and shall have a flame spread distance not exceeding 5 ...
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