Need clarification on NFPA-72, section 188.8.131.52.4.2 for beam pockets and waffle type beam configurations.
it says beam spacing greater or less than 40%...is this beam spacing referring to both width and length of the pocket or one side only?
Rory not into math but this may help:
Fire Alarms on Wood TJI Ceiling (Exposed) | The Building Code Forum
Don’t guarantee this, so check the results Hit the sd beam tab and do the calculations https://drive.google.com/file/d/15PEEYRVXup8u3ZABvtk2X843KYAN8Agv/view
that's a nice reference sheet however my question is in regards to beam spacing, whether 0.4H is in both directions of the pocket or Width only.
Spacing between beams
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