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Can an elevator hoistway connecting two adjacent stories be considered a "convenience opening" and avoid a fire resistance rating altogether based on NFPA 5000?
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We have a project with an air supported dome structure. It's serving around 430,000+ sqft of indoor sports.
However, I am a bit confused with the type of construction this would be clasified as. As per NFPA 5000 and IBC, an air-supported structure can be Type II-B (000), but wouldn't we be limited on allowable floor area restrictions for the site of the building? Are there any exceptions to sprinkler protection for a building like this? I would really appreciate your point of view, thanks in advance. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe Does a correctional occupancy type imply secure ceilings are required?
NFPA 5000 could be interpreted as such, but as we know, it's more about the construction of the building. There is a ceilings section though so I'm unsure. If plans called for an institutional sprinkler and secure ceilings but the owner/government changes their mind and installs standard sprinklers, is there any issue or repercussion? Look forward to your interpretations. Thanks. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe I have a question about protection of sprinklers in windows specifically for a connection of a basement parking garage and a first level mall commercial space. NFPA 101 accepts that there is a connection between both occupancies, but there must be compartmentalization of 3-hours without automatic sprinklers and 2-hours with automatic sprinklers. In this case, we have an escalator from the basement up to level 1, as shown below:  Can we consider this to be compartmentalized with glass and sprinklers on both sides of the glass? Do the access doors have to be 1-1/2 hour, our could they not have any fire resistance if I have sprinklers on both sides? This project is under NFPA 101 (specifically Table 6.1.14.4.1 for separation between occupancies), NFPA 5000, and NFPA 13 (9.3.5/19.4.3 for sprinkler protection of windows). Posted anonymously for discussion. Discuss This | Submit Your Question | Subscribe |
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