I would arrive at least 30 minutes prior. They will let guests into the veranda 15 minutes before the wedding.
Yes, it is formal attire. So, dresses, suits, tuxes, dress pants, polo shirts. No jeans, overalls, t-shirts, or sweatpants.
Yes, there is a big parking lot and there is handicapped parking.
As long as you let us know that you have a plus one or more so we can make sure we have enough food at least a month before.
Yes, there is handicap parking, a handicap entrance, and a elevator to help move between the floors.