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fire

  1. S

    fire equal to that of floor?

    This is a sketch from a page of Ontario Building Code training workbook, which is about OBC Division B, 3.2.8.9.(7), and 3.2.8.9.(4) & (5). What does "FIRE EQUAL TO THAT OF FLOOR FOR PORTIONS NOT WITHIN THE ATRIUM" mean?
  2. jar546

    Should the IRC/IBC Require Fire Extinguishers in Dwelling Units in the Absence of IFC Adoption

    Since the number one reason for house fires in the US is cooking, and the number one adopted codebook is the IRC, should a FE or 2 (kitchen & garage) be required for a CO?
  3. S

    Building classfication of ONroute Service Centres

    Last week, looked a bit at the ceiling of a ONroute Service Centre on 401 Ontario when stopping by, it looks like there is no sprinkler system ( I may be wrong). There is a description here about ONroute Service Centre https://architizer.com/projects/onroute-service-centres/, where...
  4. M

    Table 601 Footnote a: Allows reducing wall fire rating on the top floor?

    Hi all, I'm a sole proprietor with 20 yrs, but doing my first Type IIIA multistory building. Per Table 601, the exterior walls need to be 2-hr. (All wood frame bearing walls.) However footnote a says, "Roof supports: Fire-resistance ratings of primary structural frame and bearing walls are...
  5. curban20

    Is it an Atrium?

    Hey all. We are working on a new 2-story retail building. The ground floor has the retail floor, cashier, and restrooms. Second floor is private offices. Access to the second floor is through an enclosed stair. The retail floor however, is a double-height space. I am trying to understand if it...
  6. P

    Fire Rating Question

    Hello, Our office is constructing an addition above an existing 7-story structure. The existing structure was originally constructed out of module steel boxes with light gauge cold-rolled steel floor, ceiling & wall infill framing. The new floor will be posted up above the existing roof framing...
  7. R

    Metal alternative for 2x4 truss rat runs when penetrating 1 hour fire wall

    I have 2x4 permanent truss bracing at the bottom chord (rat runs) that penetrate 1hour drywall tenant separation walls (and the inspector won't pass it with wood penetrating). Has anyone ever used any type of steel/ metal beams instead of 2x4s in certain areas? Or has anyone every built a metal...
  8. eyan50495

    High Voltage Transmission Lines Over Building?

    Hi, A contractor I've worked with on a previous project just asked me if I know anything about this subject. I haven't encountered it but I can't find anything on it from a building code or fire code point of view (just OSHA). A multifamily mid-story building in NYS is being constructed...
  9. eyan50495

    Ceiling Finish / Fire Issues?

    Hi All This is for a NYS Commercial Space (M): -1 Story + Basement -11,000 SF Floor Plate -Type V-B (Fully Sprinklered) -Roof Construction: Steel Posts, Microlam Girders with TJI Joists + Advantech Roof Sheathing -1st Floor Construction: 3-1/2" Concrete on Metal Deck over Microlam Girders w/...
  10. L

    Fire Separation between garage and single family (Joists)

    I am really hoping someone here can help. I have looked everywhere but have not yet found a specific answer to our question. I have a call into our local fire marshall but have not heard back from them. We are selling our home in RI and as part of the inspection, we were asked to add a fire...
  11. N

    Multiple Occupancy "Zones" in a 2-unit "Seperated" Building

    Short: The building we are located in supports 2-units; 3125sq/ft each. The two units are separated with a wall extending to the roof and they each have their own main entrance and a rear emergency exit. My business is considered both A-3 and M. The building itself is considered "separated"...
  12. A

    Egress Through Fire Wall Used Fir Area Separation

    The code allows you to use a fire wall to consider a portion of the building as a separate building for building area calculations. When this is done, are you allowed to have egress through the fire wall to share an exit or does each separate "building" need to have the required 2 exits?
  13. A

    Egress Through Fire Wall Used For Area Separation

    The code allows you to use a fire wall to consider a portion of the building as a separate building for building area calculations. When this is done, are you allowed to have egress through the fire wall to share an exit or does each separate "building" need to have the required 2 exits?
  14. S

    Is it a fire escape or is it a balcony in New Jersey

    I live in my second floor condo in a garden apartment complex (8 units/one building) in New Jersey. My unit has a cast iron structure attached to it, that is accessible from a full size sliding patio door. It as a solid bottom and a decorative railing and a decorative outdoor light next to it. I...
  15. LGreene

    Close Before You Doze

    You may have already heard about UL's initiative to teach the public about the benefits of closing their bedroom door while they're sleeping. UL has asked how to spread this message far and wide, and I know some of you will have ideas. If you wouldn't mind posting your thoughts here...
  16. LGreene

    Classroom Security

    I saw a post on LinkedIn from a fire marshal who is battling with the local police chief and school district about the use of classroom barricade devices...the law enforcement argument is that life safety codes are archaic. If anyone else is facing this problem, I just wrote an article for...
  17. W

    Separated vs. Non-Separated Occupancies

    The State of Florida recently issued a Declaratory Statement on Section 6.1.14.4 of the Florida Fire Prevention Code. (excerpt below) The Petition requests a determination as to: 1) Whether the proposed buildings must be considered mixed occupancy or separate occupancy if the building plans...
  18. J

    Escape Windows and Ladders, 3 questions

    I am remodeling a 2 story 4 unit duplex. I am gutting the entire thing and going back new with everything. I am new to the building code book, normally I just build and go, so I am asking a lot of questions so I pass inspections. I have read the building code the best I can and have come up...
  19. J

    R-2 Sprinkler System

    I have a two story duplex/apartment I am remodeling. It will have 3-4 separate apartments once complete. I read in section 903 that two or more units require sprinklers. The fire department reads this as well, but really does not get involved in the inspection process. I believe I need...
  20. LGreene

    UL: CloseYourDoor.org

    I've been preaching for years about sleeping with your bedroom closed, and now UL is talking about it too! http://idighardware.com/2016/10/ul-closeyourdoor-org/
  21. LGreene

    New Fire-Rated Frames in Existing Walls

    In case you've ever wondered how a new fire-rated frame should be installed in an existing walls, I posted some information here: http://idighardware.com/2016/10/qq-fire-door-frames-with-existing-wall-anchors/
  22. LGreene

    Wordless Wednesday and Fixed-it Friday

    Every Wednesday and Friday I post photos of what not to do - usually code issues with door openings. Today's WW photo isn't so much code-related, but you might like last week's FF photo of padlocked panic hardware. Here are links to all of the WW photos...
  23. Y

    Stretch ceiling

    Does anyone know if you need to drop sprinklers below a stretch ceiling, or are sprinklers above it ok?
  24. Y

    Are drop out ceiling tiles ok?

    I am planning on putting a drop ceiling in a commercial space in Oakland. There are already sprinklers in the space. I don't want to drop down sprinklers so I was thinking of getting drop out tiles. I was looking at Ceilume tiles. On their page they say that they are rated Class A and UL94 V-0...
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