A special hard cable with an illuminated camera attached to the end is pushed down the drain and is monitored on a colour screen.
A locating device in the camera emits a signal with the aid of a receiver can give the exact location and depth of the camera at any time.
This is invaluable as any root intrusions, breaks, sags in the drain, damaged or dislodged fittings can be pin-pointed and if necessary repaired with the least amount of excavation.
Different cameras utilized according to length and size of drain.
In some situations can be used before cleaning drain or to clear soft blockages, thus showing exact cause of blockage.
Inspection of a problem area or entire drain can be recorded in any format with narration if required.