OD_Library/AEC Literature/B10 Superstructure/B1010 Floor Construction/Sprinklers in Concealed space.md

1,001 B

NFPA 13 Sprinkler System:

  • Provide sprinklers in concealed spaces; no draftstopping is required
  • No sprinklers in concealed spaces required if one of the following is met:
    • Firestopping installed to compartmentalize the concealed spaces to max. 160 ft3; provide draftstopping above and in line with dwelling unit and sleeping unit separations per 718.3.2 (may utilize draftstopping at these locations to also work toward compartmentalization)
    • Fill concealed spaces (2-in air gap at top permitted) with noncombustible insulation; provide draftstopping above and in line with dwelling unit and sleeping unit separations per 718.3.2
    • Other options per NFPA 8.15

NFPA 13R Sprinkler System:

  • No sprinklers required in concealed spaces; provide draftstopping above and in line with dwelling unit and sleeping unit separations per IBC 718.3.2
  • Provide sprinklers in concealed spaces, no draft stopping is required