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I am designing a sprinkler system per FM requirements.
I have areas containing storage within non-storage occupancies, therefor I'm following FM Global Data Sheet (FMDS) 3-26. The storage area meets all of the limitations of Incidental storage. My question is, if the hazard class of the space is deemed HC-1 or HC-2, are the sprinklers protecting this area required to be FM-approved storage-type sprinklers...aka K11.2 sprinklers? If so, this would then tighten up my spacing to 100 sf? My ceiling is 11'-0. Thanks in advance for any help. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
4 Comments
Glenn Berger
10/17/2024 08:20:58 am
Need so much more information to provide a correct response.
Jesse
10/17/2024 09:14:58 am
I'm with Glenn, there's a lot of unknowns here
Jack G
10/17/2024 10:20:18 am
Questions:
Mike Morey
10/24/2024 08:34:44 am
If you meet all of the detailed requirements of incidental storage for FM as you state, I believe the answer is no. You protect per 2.3.1.10. If you need to bump up to HC-2 because you have class IV or plastic obviously you need to meet any additional criteria for that hazard classification. I'm basing that mainly on flowchart Fig 2.2.1. Leave a Reply. |
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