Dear cdaft,
Dear Cidona,
Thanks both for your help.
I could suppose we are outside the standard.
What do you think of the addition of a sprinkler under the main beam?
IF this is a solution whcich kind of sprinkler?
The same ESFR as on the roof (included in the 12 + 2 sprinklers or not?) or...
Thanks
The large main beam can not be considered as a draft curtain because above are other secondary beams. Heat and smoke can pass between two beams (See attachement).
Distance between 2 secondary beams is almost 20 ft or 6 m which allows exactly 2 lines of ESFR sprinklers. Distance between...
I have a question I could not find any answer in the NFPA 13.
A large storage building has a roof constructed of a very large beam which supports other beams. These beams supports the roof.
The main beam is very large (1 ft large and 6 ft high) and as result is in the flew space between the...