What Happens During a CCTV Drain Survey?

During a CCTV drain survey, a specialist waterproof camera is inserted into the drainage system through a suitable access point. The camera records the condition of the pipes while a drainage engineer examines the footage for blockages, cracks, displaced joints, root intrusion and other defects. The findings can then be used to recommend suitable maintenance or repairs.

There are numerous circumstances in which inspecting the inside of a drainage system can be worthwhile.

One of the most common is a recurring blocked drain. Clearing a blockage may restore the flow of water, but if the same problem continually returns, there may be an underlying reason for it.

Other warning signs can include slow drainage, unpleasant smells, gurgling noises and unexplained changes in how efficiently water leaves the property.

A CCTV drainage survey may also be useful where there is concern about the structural condition of underground pipework.

Tree roots can enter damaged pipes and joints. Older drainage systems can deteriorate over time. Ground movement can affect pipe alignment, while cracks and fractures can compromise the integrity of a drainage run.

The purpose of the survey is not to assume the worst. Quite the opposite. It allows the condition of the drain to be assessed properly before deciding whether further action is necessary.

There is no single length of time that applies to every CCTV drain survey.

A relatively straightforward residential drainage system with good access may naturally be easier to inspect than an extensive or complicated network of pipes.

The time required can depend upon the length and number of drainage runs, accessibility, the condition of the pipes and whether there are obstructions that prevent the camera from progressing.

If a drain needs to be unblocked or cleaned before useful footage can be obtained, this can also affect the overall process.

For this reason, it is better to assess each drainage system individually rather than promising an arbitrary inspection time.

What happens next depends entirely on what the CCTV drain survey reveals. If the engineer finds no significant problems, they may simply recommend preventative maintenance to keep your drainage system working efficiently.

If the survey uncovers deposits or obstructions, the engineer may recommend drain cleaning or unblocking. For structural problems, they may suggest drain repairs or drain relining, depending on the type, location and severity of the damage.

More serious damage may require further investigation, excavation or pipe replacement. A reputable drainage specialist will assess the findings carefully and recommend the most suitable solution for your drainage system.

Pro Drainage diagnoses drainage problems before recommending the right treatment. Our professional CCTV drain surveys allow us to inspect underground pipework, identify hidden issues and find the cause of recurring drainage problems.

Once we identify the problem, we can recommend the most suitable solution, from drain unblocking and high pressure water jetting to maintenance and repairs. This thorough approach gives you a clear understanding of your drainage system and the action needed to resolve the issue.