Originally Posted by
belynch
Not sure if ORD is only at the gate; but that's primarily where de-icing is done.
I believe it is, at least under normal circumstances.
The plans for the ORD renovation (which include extending the train, building hotels, etc.) have a separate de-icing pad IIRC. Someone posted a schematic in the Chicago Destinations forum a while back. But obviously that's a few winters away.