Descriptor, Meaning
- CAB, Under control area boundary
- IT, Service pit
- E, Earth conductor (Sydney Trains or external agency)
- F, Liquid Fuel Line (Sydney Trains or external agency)
- U, Unlocated unsurveyed cable (approximate position only)
- R, Redundant cable (type known, left in situ)
- AG, Above ground
- DB, Direct buried
- GST, Galvanised steel troughing
- GLT, Ground level troughing
- P, Ducted pipe
- UB, Directional under bore
- ARL, Aerial
- unknown, Unknown