While I was using the Suwanee Supercharger, the builder, contractor, Tesla service representative, and what looked like a county inspector were working to evaluate the remaining handicap spot and non-working chargers (3 + 1 handicap chargers this morning).
It looks like they're working on resolving the remaining issues so that the yellow tape can be removed on the non-working chargers.
The other eight superchargers are working great, though!