Layer Estimates:

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

XMin: -10726186.8626
YMin: 3581746.5649
XMax: -10726150.8944
YMax: 3581779.5548
Spatial Reference: 102100 (3857)

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

XMin: -10726193.3605
YMin: 3581740.4478
XMax: -10726146.9198
YMax: 3581787.0958
Spatial Reference: 102100 (3857)

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

XMin: -10726184.9481
YMin: 3581745.2358
XMax: -10726149.6053
YMax: 3581778.6455
Spatial Reference: 102100 (3857)