Inspecting pressure sewer pipes: Potential, requirements and results
Pressure sewer pipes are well down a sewer operator’s list of their favourite parts of the network. Because there are no inspection or maintenance ports. Because the precise location of the pipe is often not known. Because numerous bends obstruct the flow. They can be found in practically all drain and sewer networks, but their characteristics and their special design confront sewer network operators with a real challenge when it…