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What’s Involved in a CCTV Drain Survey?

clearfirst drainage doing a CCTV drain survey in a residential drain

In order to maintain and prolong the condition of your drains, it helps to know exactly what’s going on in your pipes. The best way to do that is through a CCTV drain survey. In this article, we’ll run through what a CCTV drain survey is, when and why you might need one, and what happens during the survey itself.

What is a CCTV drain survey?

Simply put, a drain survey is an in-depth inspection of your drainage system, using high-tech CCTV cameras which are inserted into your drains. These drainage cameras send a live-feed back to us, letting your drainage engineer get a good view into your drains so they can identify any issues that might be present.

Why and when would I need a survey?

CCTV surveys are an indispensable tool in a number of situations. For example, a pre purchase drain survey can be arranged before you purchase a new home. The survey will generate a precise review of the current condition of the property’s drainage system, and will provide an overview of any necessary repairs in the future. The survey provides buyers the opportunity to make a fully-informed decision before they sign any contracts.

Homeowners or tenants may also need a CCTV survey when they face one-off or ongoing drainage issues. A survey can find the root cause of a problem, so they’re essential if you’re experiencing drain troubles but have no idea why.

What equipment is used?

When you arrange for a CCTV drain survey, a technician will come to your property with a range of tools and equipment ready to use during the survey.

Here are some details about some of the equipment used:

  • Waterproof cameras: These state-of-the-art cameras must operate under flowing water and in tight spaces. They provide engineers with a clear view into your drains, including areas that would otherwise be impossible to see.
  • Access rods: These are highly flexible, and are used to push the cameras along your drainage system, helping them to navigate tight turns and corners.
  • Crawlers: Remote-operated crawlers are used to provide quick visual access to sewer systems, providing excellent mobility even in obstructed pipes.
  • Sonar units: Sonar surveys are reserved for filled pipes, providing acoustic profiling to gain insight into the condition of the pipe where visual access is impeded.

The process

Here’s how a CCTV drain survey is typically carried out:

  1. Call up your drainage contractor to arrange a survey
  2. Your drainage engineer will arrive at the allotted time, and will discuss your drainage issue with you, before setting up the necessary survey equipment
  3. The engineer will gain access to your drains, and will insert the CCTV camera, using the most suitable equipment for your drain system
  4. The camera will provide a real time view of your drains. This is fed back to the engineer who can observe the condition of your drains. Any damage or blockage will be identified during this stage.
  5. The engineer will report the findings of the survey back to you – along with their recommendations if repair works or cleaning is required. Depending on the findings, you might wish to arrange for the issue to be resolved immediately. Or you may choose to arrange a follow up at a later date.

What will a survey find?

Now you know what a survey is, what’s involved and what the process is, it’s time to answer the final question: what does it cover?  The short answer is, just about any drainage issue you could possibly have.

Drain surveys are designed to deliver an extensive, thorough review of your drainage system. They can help to identify major and minor issues alike. From structural damage to fatbergs, whatever the problem with your drains a CCTV survey should be able to identify and locate it. A CCTV drain survey can help to identify:

  • Collapsed drains
  • Tree root ingress
  • Blockages
  • Causes and extent of leaks/bursts in pipes
  • Corrosion and wear and tear
  • Animal intrusion
  • Evidence of displacement or poor installation

A drain survey has many advantages, but perhaps the most important is that it allows you to respond to existing issues and plan ahead to prevent future ones. In the long term, this helps to save you money – and frustration.

ClearFirst Drainage provide CCTV drain surveys to help customers maintain the condition of their drains, and solve any issues they may be having. Our trained engineers can carry out surveys on a planned or emergency basis, if necessary, ensuring a friendly and professional service tailored around your needs. To arrange a CCTV drain survey for your property, contact us today.

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