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Hello. How are you doing? I'll be happy to assist you.
Is this supporting a single floor and attic?
What is the joist length on each side of the beam?
Will it support any ceramic tile?
Is the beam spanning 14' with no post in the middle?
That beam has no business spanning anywhere close to that distance. That is an unsafe condition that should be addressed immediately.
As an absolute bare minimum, you need a 5.25" x 11.875" 2.0E LVL.
I can size steel channels you can then bolt to the wood. Is the beam under the joists or do the joists frame into the side of the beam?
Congratulations on the win! I will look at this and get back to you today.
C9x13.4 on each side with 1/2" through bolts at 12" on center. The channels must bear on the supports
Two rows of bolts. Staggered high and low. Maintain a 2.5" edge distance to the wood. 3" of bearing for the steel is ok. Start bolts at the support and use a tighter spacing in the middle, if needed. Washer size is not critical.
If the channels bear directly on the support then you can start staggering right away.
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