Jeez, I wish floor boards were that easy to get at. But yes, that's the idea.
For as much as I can I'm going to try to use a thin kerf air saw blade ... it will be asking a lot of it to cut through two layers of 19 gauge, specially at an angle. I'll have to start the cut with a cut-off wheel.
I'd use the plasma torch but it will leave an oxide edge on the metal that I wouldn't be able to grind off before welding.
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