Just to close the loop on this. The SE and the owner of the company who has been doing this for 40 years both came back out to revaluate after I pulled down more of the drywall. The owner was immediately able to confirm that the wall was not load bearing.
The double web member was in place to...
@phamENG, thanks for the reply. Yes, there is a wall directly above that double web member. I took down some more drywall to make it easier for him to see and he said he's going to come back out tomorrow and take another look now that he can actually see what is going on behind the drywall. With...
regular upload won't work so attached is the very rough floorplan sketchhttps://files.engineering.com/getfile.aspx?folder=d4414d98-f8bc-4f0d-a732-99bec4950d2a&file=Screen_Shot_2020-06-11_at_10.54.33_AM.png
I just had a structural engineer come out to verify that a pair of perpendicular interior walls were or were not load bearing before taking them down but I wanted to get a second opinion.
I had been told by our home inspector, who is also a structure engineer, that generally with floor trusses...