Get a refund now, not later, now. If you choose any other route you're nuts. I can't believe that power supply is mounted on what looks like a plastic sheet. epic
And holy shit, are those McCallisteresque drill chatter marks I see too?!?!? Christ.
Actually, they just create work for you when I get sued. It's pretty amazing no one was hurt and that significant damage wasn't done yesterday. It's been a bad week for contractors so far, today was another doozy.
You are not the first to propose the "teeter totter" solution. Unfortunately that is not a code-approved approach nor can I use good engineering judgment to justify it.
Glad to hear that Mike, enjoy the Pappy and JH's. I'm stuck writing reports for inept contractors who do not understand that in order for a beam to work it must have a column (or other means of support) at both ends.
It's been my experience that 90% of Grados are Red=Left, White=Right, Blue=Ground. Which ground is which is pretty easy to determine once they have been separated.