http://plumberinsydney.net.au - Need an Emergency Plumber In Sydney. Call Us For All Your Urgent Plumbing Needs In Sydney. Once the sewer pipes or blocked drains have been cleared, it’s much easier for a CCTV sewer pipe camera to locate the cause of the problem. In so many cases, Plumbers Sydney tend to pick up invasive tree roots damaging the pipes and causing the blocked drains. When a plumber is working to assess the damage done to any sewer pipes or storm water pipes below the ground, he may decide to use a CCTV sewer pipe inspection camera to identify the cause of the problem.