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r-2

  1. M

    Debate with AHJ about omission of sprinklers

    We are installing a fire sprinkler system in a 13R occupancy with V-A construction. This is our second apartment complex this year and we had to appeal the AHJ's decision. They tried to require us to sprinkle the breezeway in both projects because they claimed they were open-ended corridors...
  2. tomtomtom

    "Within Dwelling Units"

    I try not to disparage building officials, but this is a new thread related to a previous one, discussing an issue where language is inadequate in code, and literal readings do not serves the spirit of the code: The IBC provides numerous exceptions for R-2 and R-3 uses, I am unable to find...
  3. 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...
  4. G

    Single Exits in R-2 Dwelling Units

    Referencing 2015 Michigan Building Code in relation to an R-2 building Trying to maximize the possibilities of a single-exit R-2 building. So looking at Section 1006 Number of Exits In particular, I'm looking at the single exit exceptions (1006.3.2)- if any of the conditions apply, a story is...
  5. M

    when are R-2 manual fire alarms not required?

    I have a plans examiner making vague statements that the manual fire alarms in my R-2 occupancy project cannot be eliminated unless we have a full NFPA 13 system. He's unwilling to cite the code section that indicates this, and I cannot find it. The project meets all the requirements to be...
  6. C

    Building Separation

    I have a triplex building (R-2) Type VB non-rated, consisting of 2 townhouse and a carriage unit over the garage. I have a breezeway between the townhomes taht is 9' wide, going back to the carriage entry. My plan checker is telling me that since we are separating the units with 1hr...
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