Layer Estimates:

Layer: Sub_Cables (ID:1)
Count: 135098
Extent:

XMin: -583575557.000004
YMin: -127342597.999993
XMax: 649440272.000001
YMax: 929925312.000006
Spatial Reference: PROJCS["NSW_Transverse_Mercator_mm_NSW_Essential_Energy_Meters",GEOGCS["GCS_Geocentric_Datum_of_Australia_1994",DATUM["D_GDA_1994",SPHEROID["Geodetic_Reference_System_of_1980",6378137.0,298.257222100892]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",4000000000.0],PARAMETER["Central_Meridian",147.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["MILLIMETER",0.001]]