pianoloverus I think I hit upon a solution. I'm not going to play any "double stops" in the left hand throughout that passage, only the upper notes. Since each lower note is heard directly previously, or is concurrently doubled in the right hand, they can be omitted without changing the perception of the chord. This being my arrangement of wind ensemble music, I don't think I'll change the printed edition, though, as I imagine that most reasonably competent pianists can actually play what's written.
😉