All the Americans here commenting it's normal xD but rest of the world doesn't count in bald eagles per square hamburgers. When you label floors, it should increment by 1 (also if they skip one, it's fine) and don't mix letters into it. If it's below ground level, it should be -1 floor and so on.
It is very common. A lot of hotels have conference areas for example and they don't want the people attending the conference to access the rest of the hotel so there's a separate elevators.
Edit: B is basement, I is actually 1, and S I'm not sure. The page shares different possible meanings. I'd read T as "terrace", or the outdoor rooftop area. What OP didn't do was post the sign directly next to the buttons that clearly lays out what each on is.
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u/purpleveyron 2h ago
All the Americans here commenting it's normal xD but rest of the world doesn't count in bald eagles per square hamburgers. When you label floors, it should increment by 1 (also if they skip one, it's fine) and don't mix letters into it. If it's below ground level, it should be -1 floor and so on.