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Recent content by MarsMax

  1. MarsMax

    Louvers vs Fire Rating vs Property Line

    Thank you!
  2. MarsMax

    Louvers vs Fire Rating vs Property Line

    Hi Experts, The building exterior that I want to install my new louvers are very close to another property (closer than 4 ft). Two new louvers one for outdoor air intake one for exhaust. They are ducted to new ERV in my space. Can anyone please let me know if my louvers need to be...
  3. MarsMax

    Fire Hose Replacement

    It's in Canada, Ontario.
  4. MarsMax

    Fire Hose Replacement

    Hi cdafd, The fire pump was tested. The technician simply attached two different nozzles (1/2”, 3/4”) to existing 75 ft hose during test and had pump pressure, nozzle pressure, hose residual pressure, calculated GPM recorded. The existing fire hose is standard 1-1/2” hose with 1-1/2” hose...
  5. MarsMax

    Fire Hose Replacement

    Hi guys, I want to determine if I can replace a 75’ hose to 100’. The fire pump is located at P1. The pressure test was performed based on existing 75’ hose. Now I have the numbers of static pressure, nozzle pressure, hose residual pressure and calculated GPM. What is the best approach to...
  6. MarsMax

    Sprinkler Requirement in Glass Vestibule

    cdafd, Thank you. I looked for 9.3.16 from 2019 but it refers to skylight :)
  7. MarsMax

    Sprinkler Requirement in Glass Vestibule

    cdafd, Thank you. I'm pretty much sure sprinkler is not required within such glass enclosed space. Found some pictures showing similar full glass vestibule: https://www.pinterest.ca/pin/360850988892092826/...
  8. MarsMax

    Sprinkler Requirement in Glass Vestibule

    cdafd, I see, but I'm not sure if it is applicable for my situation. I think my vestibule is interior? As it is inside of exterior wall while 8.15.7.2 addresses exterior projection, like a walking canopy?
  9. MarsMax

    Sprinkler Requirement in Glass Vestibule

    Hi, I've been reading but couldn't find an answer for this. We have a new vestibule for a retail space on ground floor. New vestibule is surrounded by glass partitions with 11" high base below the glasses. The ceiling is glass as well. There are also electric base-board heaters that will be...
  10. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    Travis, Sounds right. It's light hazard, and each suspended flat is 8 in. width. The top could be 18" below the higher T-bar ceiling. Sprinklers are at the higher ceiling. Sprinklers are standard spray, standard coverage sprinklers. It just seems to me that they can still interfere with...
  11. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    I see. Thank you @UFT12
  12. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    Right, and it's more than 70% open. I'm now just cannot find a certain clause for this situation, to make me safe... Apparently these dangly things are not considered as open-grid (8.15.14) nor suspended vertical obstruction (8.6.5.2.2).
  13. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    Hi @cdafd, That will be a typical open-grid without any problem I believe... With those dangly things, I'm not thinking that my situation can be considered as open-grid ceiling now.. they are so deep and will interfere with the spray pattern. Also an issue about the heat & sprinkler activation.
  14. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    Thanks for this very clear and thorough explanation @UFT12. I understand what you said and the architect is most likely willing to provide me necessary clearance needed. What I'm really confused now is, 8.6.4.1 requires 12" max. from the deflector to the ceiling. 8.15.14.1.(2) requires 18"...
  15. MarsMax

    Suspended acoustic baffle vs Sprinkler head

    Thank you!
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