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wood construction

  1. admiralArchArch

    Fire barriers at roof truss in wood construction

    Regarding vertical continuity of a fire barrier at the roof (IBC 705.5), when you have roof truss/joists perpendicular to a fire barrier, in order to maintain continuity is it standard practice to design the fire barrier to bear the roof joist? Otherwise you have to frame the wall below the...
  2. Y

    IRC Section R602.7 Headers, Table R602.7(1)

    Does Table R602.7(1) take into account whether the exterior bearing wall is on eave side or gable side? It doesn't seem to distinguish clearly, except the small pictorial images indicate that the wall in consideration is on the eave side. But no verbiage to support this. BUT the width in this...
  3. C

    Rated Balconies-Is Soffit Required?

    Hi all, I've been racking my brain for a few days and need some help. I'm working on a Type V-A affordable housing development and am trying to avoid a soffit at the underside of the balconies. Can a balcony assembly be rated without a soffit? I am assuming yes, because I see exposed wood...
  4. A

    Fire barrier head of wall detail in wood construction

    We do a lot of projects that are sprinklered but still require separation of incidental uses with a 1 hour fire barrier, per 2018 IBC Section 509. We've done a handful of fit outs in single story unprotected combustible type IIIB or VB buildings. We've always directed the contractor to extend...
  5. H

    Firewall required when dividing construction types?

    Hi, We are designing an R-2 building which has 3-,4- and 5-story wood-framed portions over a podium. We had initially planned for the entire wood-framed portion to be Type III-B. However, FRTW, which is required for the exterior bearing walls in Type III-B, is crazy expensive right now so we...
  6. eyan50495

    Fire Alarms on Wood TJI Ceiling (Exposed)

    Hi All I am trying to determine the fire alarm requirement for a composite wood joist (TJI / Glulam) ceiling. Ceiling height is 12' floor to floor with 24" TJIs. Although I have an answer from the local fire alarm contractor and know that our county fire marshal points to NFPA 72, I still want...
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