Thank you both for you observations. I will check the latest FM 2-0 DS, I'm working with one dated Jan-2010.
Knowing this I will size my systems by NFPA because the local fire code is based on it and have to meet both requirements.
Thanks again.
Good day.
Does the NFPA system protection area limitation is equal to the required by FM Standards. I'm working in a FM fire protection system and I haven't found in which Data Sheet is this information. By NFPA I have extra hazard (one riser per every 40000ft2) and by FM Standard the project...