hello, the attached pdf shows the original house roofing blueprints with the walls we plan to remove in yellow. The roof has prefabbed trusses accross the whole span. and the homeowner wants to extend a 7' opening (with 2-2x8 headers there now) to 14' opening for a wall that is perp. to the ~40 foot trusses. The homeowner had an legit structural engineer come during the option period to investigate another problem. and the engr. (after looking in the roof) said that the walls in question were not load bearing and it was fine to remove, although it was an informal dialogue (his report was on another issue). but im not convinced the truss doesnt need a center wall, as there are center walls everywhere else in the whole house. if we remove, it will leave three trusses spanning ~35 feet. My first inclination was to put 2-2x12 headers for the 14' span, mirroring the 2-2x12 headers on the exisitng 14' span. however the existing 14' span has a different roof structure above it as seen in the blueprint. Debating a more extensive/expensive beam... Any suggestions?? the homeowner is trying to avoid another 600 engr. fee.
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