The picture is unclear, but you cannot use GFCI for bonding. These black pipes look like PVC -- bonding fittings are separate and 1/2 Romex, connecting wire, and grounding bar all wrong from where...
Kim -- accessible and workmanlike too. Double stacking conduits is in itself questionable.
Oh, where to begin. Most important is your hint. The ground rod is insufficient.
Agree with login. Also, these spare parts to conceal wiring not approved. Again, you get what you pay for. Hopefully, homeowner gets a copy of inspection certificate.
I personally don't like location of lug. Also, this could become a hazard on the paneling. I think this is poor workmanship.