Each entrance coordinate has a designated entrance type:
- MAIN (main entrance)
- EMG (emergency room entrance)
- COMB (combined entrance).
Table relationship is 1:many.
| ATT_ID | ENT_ID | OBJ_ID | LAT | LON | ENT_TYP |
| xxxxxxxx | xx | xxxxx | xx.xxxxxx | xx.xxxxxx | MAIN |
| xxxxxxxx | xx | xxxxx | xx.xxxxxx | xx.xxxxxx | EMG |
| xxxxxxxx | xx | xxxxx | xx.xxxxxx | xx.xxxxxx | COMB |