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  1. rgrace

    Type I hood used as a Type II

    I wondered about that :) From UL KNLZ.GuideInfo: These appliances have been investigated for the limit of 5 mg/m3 for the emission of grease-laden air to the room ambient in accordance with the recommendations of ANSI/NFPA 96, "Ventilation Control and Fire Protection of Commercial Cooking...
  2. rgrace

    Type I hood used as a Type II

    Is there an argument here for a Type II hood? Perhaps. Have you ever been inside one of those restaurants that uses panini grills to toast sandwiches, and looked at the ceiling above the panini grills where no hood was installed above these cooking appliances? The ceiling was layered in a dark...
  3. rgrace

    10' from roof edge

    Lots of discussion here, mostly in favor of guards for the replacement of a roof top unit. I have a different position, and it may only be a jurisdictional thing, since our state adopted Existing Building Code (VEBC) has undergone many changes. Current adoption edition is 2018. I start in our...
  4. rgrace

    Another Wood-Burning Pizza Oven

    Oh, and while this topic has been brought up again, there will be a new exception to the 2024 IMC Section 507.1 which reads: 5. Ovens listed and labeled for use with wood fuel in accordance with UL 2162 and vented in accordance with the manufacturer's instructions. Looks like everything...
  5. rgrace

    Another Wood-Burning Pizza Oven

    I always seem to be late :) Try this: https://www.shopulstandards.com/Account/Login.aspx?ReturnUrl=%2fProductDetail.aspx%3fUniqueKey%3d19809%26ShowFreeviewModal%3d1 You have to sign up, but its free.
  6. rgrace

    2018 IMC Definition of Corridor?

    Well that's a slippery slope. "Partial height" can be three feet tall or nine feet tall with a 6" to 8" opening between the top of the wall and the ceiling. Rated or non-rated is not significant and is moot. The intent of this section is to prevent smoke from being pulled from another area of...
  7. rgrace

    Is a permit required for a HABITABLE accessory structure

    Yes. ADM27-13. It was a two part code change. Part I was IBC, Part II was IRC. Proponent's reason statement said "The term “used as tool and storage sheds, playhouses and similar uses” is proposed to be deleted because there now exists in the IRC a definition for “accessory structure”. It is...
  8. rgrace

    Is a permit required for a HABITABLE accessory structure

    In my part of the country, we didn't change it. Thank the heavens for that, or I would be finding this discussion more disturbing rather than entertaining :) Our amended code currently reads: 108.2 Exemptions from application for permit. 2. One story detached structures used as tool and...
  9. rgrace

    2018 IMC - Is a 1 hour shaft required?

    I did look at Table 601 and it looks like the floor construction and the secondary members have to have a 1 hour rating in Type II-A construction, so mtlogcabin's response is appropriate.
  10. rgrace

    Unisex sinks in Katy Texas

    I believe steveray hit the nail on the head when he said The 2018 and 2021 codes have provisions for multi-user gender neutral toilet facilities. In my state, we have increased requirements for such facilities and included provisions that weren't well thought out on the ICC level. What this...
  11. rgrace

    2018 IBC Section 1020 Corridors

    Isn't something with four walls considered a "room"? ;)
  12. rgrace

    2018 IBC Section 1020 Corridors

    I'll throw in my opinion to the question "Does Table 1020.1 refer to walls, floors and ceilings or just walls?" The first sentence of Section 1020.1 says "Corridors shall be fire-resistance rated in accordance with Table 1020.1" Corridor is defined as "An enclosed exit access component that...
  13. rgrace

    Restaurant that is a B occupancy.

    Also note that the 2018 IBC took out the "Occupancy" (A-1, A-2, B, E etc.) to reinforce that plumbing fixtures are provided based on the actual use of the space, not the Group of the space.
  14. rgrace

    dual height drinking fountain and Elkay EZH20

    Right or wrong, the code is clear. IBC1109.5.1. 1109.5.1 Minimum number. No fewer than two drinking fountains shall be provided. One drinking fountain shall comply with the requirements for people who use a wheelchair and one drinking fountain shall comply with the requirements for standing...
  15. rgrace

    1970 or 1975 BOCA codes?

    I have the 1970 BOCA Building, 1971 BOCA Mechanical, 1975 BOCA Building and Mechanical. Which code year do you want the information from?
  16. rgrace

    CA all-gender restroom

    Robert, are you referring to CPC 422.2 exception 3? The answer may not matter, the language is there, right? I am more familiar with the IPC, and it had similar language that created similar issues (2015 IPC) with single-user toilet room restrictions. Changes made to the 2018 IPC eliminated...
  17. rgrace

    Need some flexibility with plumbing fixtures vs gender

    Steveray, you are correct. The 2021 IBC/IPC will read this way: 2902.1.2 Single-user toilet and bathing room fixtures. The plumbing fixtures located in single-user toilet and bathing rooms, including family or assisted use toilet and bathing rooms that are required by Section 1109.2.1 of the...
  18. rgrace

    Kitchen remodel

    Since we've reopened this thread, I thought I would throw my two cents in on the above quoted comment. Our administrative code regarding permit exemption for the IRC says "this section shall not be construed to exempt such activities from other applicable requirements of this code." IRC R105.2...
  19. rgrace

    Natural ventilation via overhead doors

    Great idea ! Nobody thought about that. I suppose you could. Too late now, that too was years ago :)
  20. rgrace

    Natural ventilation via overhead doors

    In my first year doing plan review, I had a structure that proposed natural ventilation. This was new to me, and as I went through the code requirements for natural ventilation, I though it was absurd. In my jurisdiction we have really hot summers and really cold winters. The code said that...
  21. rgrace

    Online Vintage Code Book Library

    Very cool Glenn. I have a collection of National Electrical Code books including handbooks from 1940 and 1947 (not willing to part with them). I noted also that I have the exact same copy of the 1922 NBFU Building Code :)
  22. rgrace

    Static and dynamic radiation dampers

    We tried to keep it simple by adding the following technical amendment to our codes: 717.6.2.2 Equipment shutdown. Where ceiling radiation dampers are listed as static dampers, the HVAC equipment shall be effectively shut down to stop the airflow prior to the damper closing using one of the...
  23. rgrace

    Static and dynamic radiation dampers

    FS64-18, as modified by committee. This is a good example why it is important to get involved with the code development process. This is broken and needs to be fixed. Code change proposals for this 2024 IMC/IBC section are due by January 11, 2021. I would be happy to work offline with anyone...
  24. rgrace

    Wood Floor Floor Fire Rating

    Dominic, back to your original post. Your mechanical engineer is correct, a fire damper is not tested and listed for installation in a combustible floor, or if one has recently been tested for such use, I am not aware. 2015 IMC Section 607.6.3, number 3 added language to address this in...
  25. rgrace

    Low temp dishwasher Type II hood

    cda posted the IMC requirement, but didn't point out the obvious …. "except where the heat and moisture loads from such appliances are incorporated into the HVAC system design or into the design of a separate removal system." This can be used in lieu of a Type II hood. I do not believe this...
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