We have a 40-foot tall steel construction building, with lumber strapped and stacked, stored in 20-foot high solid piles.
The building is unheated. The building owner has been told by another fire sprinkler contractor that this will require ESFR sprinklers. The owner would prefer a dry pipe system.
We have researched NFPA 13, 2019 edition. It looks as if Chapters 20 and 21 will allow a dry pipe system for this application using CMDA sprinklers.
Anyone else have experience with a scenario like this? What path would you recommend?
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