We are working on a project where a feed main is running through an unsprinklered space to get to a sprinklered area. I've heard that sprinkler pipe needs to be protected by sprinklers so we are trying to figure out if this is an actual requirement or not.
We are talking about putting uprights on the feed main in the unsprinklered area to protect the pipe but I can't find anything in NFPA 13 that actually requires the pipe to be protected.
Does anyone know if this is a requirement or not?
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