NFPA 13 does not allow ESFR protection for shelf or bin box storage. I can see the logic, and this has been in the code for years.
However, FM Data Sheet 8-9 does allow ESFR protection for shelf and bin box. I can protect shelving up to 15-feet with 0.85 over 2,500 sqft but I can't protect it with K25 at 70 psi.
Any insights on the logic here? Has testing been done that supports this one way or another?
Thanks in advance.
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