Layer Estimates:

Layer: 1aCenterline (ID:0)
Count: 5
Extent:

XMin: -10726164.7034
YMin: 3581768.3053
XMax: -10726129.3668
YMax: 3581801.2618
Spatial Reference: 102100 (3857)

Layer: 1aHallways (ID:1)
Count: 2
Extent:

XMin: -10726163.4138
YMin: 3581766.9759
XMax: -10726128.0774
YMax: 3581800.3892
Spatial Reference: 102100 (3857)

Layer: 1aRooms (ID:2)
Count: 31
Extent:

XMin: -10726171.8257
YMin: 3581762.1867
XMax: -10726125.3892
YMax: 3581808.8407
Spatial Reference: 102100 (3857)