Friday, September 11, 2009

Sort Your Drainage Problems Using CCTV

By Lee Davidson

As time goes on, drains and sewers can deteriorate leading to possible structural problems. The cause for this deterioration can be a variety of different reasons from ground movement, root intrusions or simply poor construction. Whatever the reason for the problem, it cannot harm you by knowing what is going on under your property. CCTV is one way to be sure that you know what problems that you may have to face

The simple fact is that you cannot tell from above ground exactly what is going on with a drain that is underground. You need to know exactly what is going on- where the blockage is happening for example, so the best solution can be found. Blockages can be from many causes, organic or otherwise, they need to be removed and quickly so that problems don't worsen

Once these problems arise, it is vital to know exactly where they are and what you are dealing with. There are two types of camera systems that can be used , the Push Rod and the Crawler System. These two systems are different but do effectively the same job. The technical differences of the two systems should not bother you- leave this to the professionals

The crawler system is used for drainage pipes over 150mm in diameter. Smaller drainage systems (less than 150mm) are diagnosed using the push rod system. Full, detailed reports are then compiled to show exactly what is wrong with the drain so you can then decide what is the best method of solving the drainage problem

When using CCTV, there are several problems that an experienced operator can pick up. Collapsed pipes can look very similar to blockages. Tree root intrusion can also be picked up on the screen but the thing that all have in common. Surveys are then written up following assessment and they are then burned on to DVD with recommendations to solve the problems

If you are planning to build and extension to a property, CCTV can be used for a build over survey. Basically, this is a survey of the drainage condition underground so that you can see the condition before building over them. If you bury a problem, it will be much more expensive in the future should problems arise in the future - 2364

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