If you re concerned about a persistent fault with your drains, utilising a CCTV drain survey could offer the perfect method of getting to the root of the problem. Many drain blockages can often be easily rectified. However, if a blockage is more persistent, there may be a more extensive issue to investigate and fix and CCTV surveys can be absolutely perfect. How Does CCTV Work? CCTV (closed circuit television) is a very useful tool for the drainage engineer as most drains are either concealed within the building or underground. There needs to be a way of diagnosing problems and finding out the condition of drain system components; the most cost effective and efficient way of doing this is via a CCTV survey. What Do We Do? A small CCTV camera is mounted on the end of a rubber hose and pushed into the drainage system transmitting a picture of the inside of the drainage pipework and sewers. This film can be viewed real time on a screen by the operator; the film is also recorded for re-in
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