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  1. Ryan Schultz

    Limit on fixtures in a rated floor/ceiling assembly

    Thanks everyone. Per this conversation, ff anyone's interested, added a few floor/ceiling UL assemblies to our open source Revit template https://github.com/OpeningDesign/OD_Library/blob/master/BIM/OD_Revit_Template.rte
  2. Ryan Schultz

    A UL assembly allows a 2x4 - swap out a recessed can?

    Upon @rgla's assessment here, it appears any fixture could be swapped in as long as it matches the rating of the assembly itself.
  3. Ryan Schultz

    Stacked Washer/Dryer - Type B Unit

    even though I can find stackable washer/dryers that claim they are ADA accessible, I'm not so sure they really can be. It seems the top dryer door would be too far up to reach.
  4. Ryan Schultz

    Stacked Washer/Dryer - Type B Unit

    From my understanding, they make stacked washer/dryers that are ADA compliant. Assuming that is correct, with a stacked washer/dryer arrangement in a Type B Unit, can the 30"x48" clearance be a forward approach, or would it need to be a parallel approach centered on the fixture, as illustrated...
  5. Ryan Schultz

    Limit on fixtures in a rated floor/ceiling assembly

    For example, the following UL restricts 24 sq ft (of 2x4 fixtures) per 100 sq ft of ceiling area. https://iq.ulprospector.com/en/profile?e=14281 Am I to assume, if the fixture is not rated, but has 'fixture protection' to cover it as outlined in the UL listing above, than the fixtures would be...
  6. Ryan Schultz

    A UL assembly allows a 2x4 - swap out a recessed can?

    If a particular UL listing accommodates a 2x4 fixture in a ceiling/floor assembly, is there any method for using a recessed can instead? Or does the UL listing have to specifically outline provisions for a recessed can? If so, that seems odd to me.
  7. Ryan Schultz

    Limit on fixtures in a rated floor/ceiling assembly

    With certain UL listed floor/ceiling assemblies, there's limits with how many light fixture penetrations you can have per a certain SF. Generically, does this limit apply even if the fixture has an equal rating as the assembly? That is, if you have an 1hr rated floor/ceiling for example, can...
  8. Ryan Schultz

    Min. sill height for an operable window on a upper floor?

    Let's say you have a double hung window on a multiple story multifamily. If the bottom sash is operable, does it have to be a min. of 42" a.f.f.? For safety reasons, this seems right, but conventionally, it seems there's a number of newish projects out there that don't adhere to this. Is there...
  9. Ryan Schultz

    Calculated Fire Resistant - Swap out Timber with Equivalent Sistered 2X?

    It looks like my AHJ might allow it.
  10. Ryan Schultz

    Calculated Fire Resistant - Swap out Timber with Equivalent Sistered 2X?

    Let's say you use the following to determine that a 3"x5.5" timber will be enough for a certain fire X rating. https://www.awc.org/pdf/codes-standards/publications/tr/AWC-TR10-1510.pdf Is it possible to swap out the 3"x5.5" timber with (2) sistered 2x6's?
  11. Ryan Schultz

    Is there a maximum distance between an elevator and a dwelling unit, for example?

    Is there a maximum distance between an elevator and a dwelling unit, for example? I've been searching for some time, and coming up empty.
  12. Ryan Schultz

    A shower in a 2nd bathroom in a Type B unit.

    that triangle is a planned mechanical chase.
  13. Ryan Schultz

    A shower in a 2nd bathroom in a Type B unit.

    This is how it's going so far...
  14. Ryan Schultz

    A shower in a 2nd bathroom in a Type B unit.

    A den or office.
  15. Ryan Schultz

    A shower in a 2nd bathroom in a Type B unit.

    FYI, from my AHJ... In Type B, Option A units all restroom fixtures are required to comply with the requirements for Option A per ANSI A117.1 (2009) Section 1004.11.3.1 to the extent described in the subsections. The shower in the smaller restroom would be required to be 36”x36” clear as it is...
  16. Ryan Schultz

    A shower in a 2nd bathroom in a Type B unit.

    The layout illustrated below is a Type B unit. The master bathroom is an 'Option A' bathroom. The smaller bathroom, as I understand it, also has to be an 'Option A' bathroom. Is that truncated shower in the smaller bathroom, allowed? Or does that need a 36"x36" clear per 1004.11.3.1.3.3, as...
  17. Ryan Schultz

    Creating a 1-hr floor from an exiting floor without adding a layer above the joists.

    Right you are...
  18. Ryan Schultz

    Creating a 1-hr floor from an exiting floor without adding a layer above the joists.

    I think http://productspec.ul.com/document.php?id=BXUV.M537 is the ticket. I think we can achieve a 50 STC based on the following NRC report: http://www.primaryacoustics.com/images/ir766.pdf Thanks.
  19. Ryan Schultz

    Creating a 1-hr floor from an exiting floor without adding a layer above the joists.

    I need to create a 1hr floor between a new dwelling unit and an existing unit. The existing floor is.. tile/carpet 1/2 plywood sub floor 2x10 and 2x12 wood joists. Want to do something like the following... http://productspec.ul.com/document.php?id=BXUV.L201...
  20. Ryan Schultz

    Exposed joists in a 1/2hr rated corridor.

    @RLGA , can you tell me where this concept is called out specifically in the code? Would like to educate myself. Thanks, Ryan
  21. Ryan Schultz

    What load factor do you use for Restrooms?

    lord have mercy on our souls. :)
  22. Ryan Schultz

    What load factor do you use for Restrooms?

    Let's say the main occupancy of the building is a (Airport terminal - Baggage claim) which is at (20 gross/occupant). Do I then need to use a (20 gross/occupant) for the restroom areas that serve that Baggage claim? Seems high.
  23. Ryan Schultz

    What load factor do you use for Restrooms?

    What load factor do you use for Restrooms? I have in the past, used a zero load factor for these--categorizing them as circulation. My AHJ hasn't seem to have a problem with that.
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