// CODE SNIPPET
602.2.1.2 Fire Sprinkler Piping
JUMP TO FULL CODE CHAPTER
Plastic fire sprinkler piping exposed within a plenum shall be used only in wet pipe systems and shall be listed and labeled as having a peak optical density not greater than 0.50, an average optical density not greater than 0.15, and a flame spread distance not greater than 5 feet (1524 mm) when tested in accordance with UL 1887.
Related Code Sections
602.2.1.2 Duct Systems, Fire Sprinkler Piping
Plastic fire sprinkler piping exposed within a plenum shall be used only in wet pipe systems and shall be listed and labeled as having a peak ...
Mechanical Code 2018 of Maryland > 6 Duct Systems > 602 Plenums > 602.2 Construction > 602.2.1 Materials Within Plenums > 602.2.1.2 Fire Sprinkler Piping