Layer Estimates:

Layer: Lines (ID:0)
Count: 139
Extent:

XMin: 357258.6232
YMin: 172734.5635
XMax: 363250.3953
YMax: 175767.953299999
Spatial Reference: 27700 (27700)

Layer: Zones (ID:1)
Count: 15
Extent:

XMin: 358269.353
YMin: 172772.943600001
XMax: 363254.9996
YMax: 175768.3292
Spatial Reference: 27700 (27700)

Layer: Sites (ID:2)
Count: 31
Extent:

XMin: 357248.623181124
YMin: 172724.563521675
XMax: 363264.999563937
YMax: 175778.329194389
Spatial Reference: 27700 (27700)