The UK’s urban population is expanding, which means more pressure on housing. Local authorities, planners and developers are having to find new spaces for housing development. These can include former industrial and commercial sites.
Guided by economic and political strategies, urban regeneration picked up momentum in the 1980s and is continuing now, in various forms and locations
However, developers also have to consider the impact of regeneration schemes on existing residents, and on the local infrastructure.
One of the key elements of infrastructure is drainage, and drain surveys play an important role in preparing for regeneration.
Drain Surveys for Regeneration
Whether regeneration involves conversion of industrial sites, or refurbishment of existing domestic properties, it requires a thorough knowledge of the site to be developed.
Drainage networks often expand and are subject to adaptation over time. This often means that existing plans are incomplete or insufficient.
Any building work involving, or over, existing drainage infrastructure must account for the condition of the drains and sewers.
Firstly, because regeneration is likely to place new demands on drainage, and it may well be that existing networks are not adequate for the task, or even fit for purpose.
Secondly, building over drainage and sewage pipes is can cause accidents and disruption leading to expensive delays and changes to project plans.
Drainage Report
Using CCTV cameras to explore the drainage system prior to any work commencing provides the essential information about drainage networks that developers need.
The footage shot underground will give a good indication of the network layout, including hidden chambers and manholes, and of what state of repair it is in.
We use this as the basis for compiling a comprehensive plan of the drainage network, and an analysis of the condition of the pipework.
The drain survey gives planners and developers of regeneration projects the necessary foreknowledge to plan projects more accurately, allowing for potential costs of drainage infrastructure repairs and alterations.
If required, we may then undertake further exploration of the drainage network using sonar drain tracing to pinpoint exactly where trouble spots are, prior to remedial work.
If your project requires knowledge of the local drainage network, contact Drainage Consultants for a drain survey.

Drains are hidden underground, which is fine when they are working, but inconvenient when they are not. If we need to discover the source of a drainage problem, we have to first be sure where the pipes are located, and what path they take.

This is where drain tracing is such a valuable asset.

What Direction Do Your Drains Take?

Sometimes the existing drainage network plans fail to provide a complete picture. Some drains are old, dating to Victorian times, and over time there have been additions made but not accurately recorded.

This means the plans are not reliable. This doesn’t just affect when we need to identify problems. If there’s going to be building work over existing utilities, it’s vital to know where drainage and sewer pipes are located.

Builders and developers need this information, otherwise they can risk costly and disruptive mistakes that will set their projects back thousands of pounds.

It’s best to be prepared. Using sonar technology, we can trace the pathways of drains and discover where areas of disturbance, damage and deterioration are.

Using Sonar

Sonar is essentially about building up a picture from the use of sound. Using state-of-the-art equipment, we send a transmitter into the drain. This will read the inside of the drain using electronic pulses, or pings.

Above ground, we have a receiver to read the pings. Here we are making the use of echo as a way of locating features inside the drain.

Typically, we will have CCTV footage of the drain to give us an idea about its overall condition. Now the sonar lets us accurately pinpoint the location of trouble spots, hidden chambers and manhole covers.

Using this data, in conjunction with the video record, we can build a more detailed picture of the drainage network without having to conduct any exploratory excavations.

We may also use dye testing to confirm or clarify the route that liquid is taking once in the system.

All this enables us to prepare remedial work without having to factor in potentially expensive exploratory work. This makes drain tracing a cost effective means of drainage diagnosis and knowledge-gathering.
If you need your drains inspecting, contact Drainage Consultants and we’ll talk you through what we can do for you.