Now we want to remove some of the beams and only install 1 new beam. Above, we want to place a support beam to ensure structural stability. We plan to use glulam beams (Leimbinder) for both. This is the plan (the 2 dashed beams are the new that we are planning to construct):
The upper beam would be approximately 315 cm long and 20 cm high. The lower beam would span the entire height and be 8 cm wide. Both beams would have a thickness of 8 cm.
Is our plan feasible from a structural perspective?
The house has 2 floors (+ attic) and no basement.