The biggest challenge in maintaining drains and sewers is that they're hidden underground. Without a view, you don't know what's going on inside them. If we can only spot potential issues right away, we can prevent serious problems from developing. The answer to this is a CCTV drain survey. Using a high-tech camera, it's now easier to check whether your drain and sewers are working properly. In this guide, let's discuss what's all about a CCTV drain survey. A CCTV drain survey is a modern technology for assessing the condition of drains and sewers using a remote-controlled CCTV.