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CCTV drain surveyA clear view of your drains, without breaking anything out

With a CCTV drain survey you see exactly what is happening inside your pipes: sagging sections, cracks, root ingress or a displaced joint. Bosmans puts your sewer on screen, without digging, and gives you clear advice for a drain that stays clear for good.

  • Usually on site within 30 to 90 minutes
  • Available 24/7, including weekends
  • To industry standards, 2-year guarantee
  • Rate known in advance
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9.7/10 · 1,123+ reviews

14+ years in business
24/7 emergency service
On site in 30 to 90 min.
42 certified engineers

CCTV drain survey

CCTV drain survey by certified drain engineers

A sewer lies underground or under the floor, so you cannot see it. Only when something goes wrong do you notice that something is up with the pipe. With a CCTV survey, an engineer looks inside the pipe without breaking anything out. On screen you see the inside of the pipe, metre by metre, and the counter shows exactly where a defect is. That way a repair can be targeted rather than guessed at.

Bosmans carries out drain surveys for recurring blockages, for sewer smells, after leaks, before buying a home and as part of maintenance for owners' associations and businesses. Our engineers work with a push-rod camera and, where needed, locate positions from ground level. Findings are described using the standard coding from NEN-EN 13508-2, so the report is easy to read for another professional or the municipality too.

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Bosmans drain engineer: CCTV drain survey

When to call us

Familiar situations

A blockage that keeps coming back

If your sewer blocks again within a few months, there is often something wrong with the pipe itself. A survey shows whether it is a sagging section, roots or a loose joint, so you can put it right for good.

Buying a home

With an older home or a house with large trees in the garden, a CCTV drain survey before purchase gives you certainty about the condition of the drains. You know what you are buying and can factor in any costs.

Sewer smell with no clear cause

If you smell sewage while all the traps are full, there may be a fracture or loose connection in the pipe. With the camera, the engineer sees where air can escape, even under the floor.

Before relining or repair

Before a pipe is relined or repaired, a survey maps the exact length, diameter, connections and damage. Afterwards a second recording checks that the work has been done properly.

Our approach

How the engineer works

We work with an inspection camera, leak detection, spring cable and high-pressure equipment, in line with KIWA BRL K10014. You know in advance where you stand.

Rate

A CCTV drain survey at Bosmans is charged as a call-out from 45 euros plus work per hour. How long a survey takes depends on the length of the pipe and whether it needs cleaning first. You hear the rate in advance, before the engineer sets off.

+31 85 200 93 27
  1. 1

    Clearing and flushing the pipe

    A camera only sees what is visible. That is why the engineer usually flushes the pipe first, so grease, silt and debris do not cloud the recording and any damage to the pipe wall is easy to see.

  2. 2

    Inserting the camera via the chamber

    The push-rod camera goes into the pipe through the inspection chamber, a rodding eye or a drain. The distance counter runs along with it, so for every defect the exact distance from the starting point is known.

  3. 3

    Assessing defects

    Along the way, the engineer assesses the condition of the pipe: cracking, sagging, displaced joints, root ingress, deposits and connections. He records them using the standard NEN-EN 13508-2 codes and the matching severity.

  4. 4

    Locating from ground level

    Where needed, the camera head sends out a signal that the engineer picks up above ground with a receiver. He can then mark on the paving or lawn where the damage is and how deep.

  5. 5

    Explanation and advice

    After the survey, the engineer goes through the footage with you and gives advice: no action, preventive cleaning, a patch repair or relining. You get a report of the findings and, if you wish, the footage.

What a drain camera shows

  • Cracking along the length or around the pipe
  • Sagging: a section of pipe where water stays standing
  • Displaced or open joints between two pipe sections
  • Root ingress through a leaking connection
  • Deposits of grease, limescale or urine scale
  • Deformation of PVC pipes from ground pressure
  • Inlets and branches that are connected incorrectly

In a professional report, each of these findings gets a code and a position in metres. A sagging section four metres from the chamber then means, in concrete terms: water stands here, and debris will collect here. That lets you make a targeted choice for repair or maintenance, with the right priority, and any contractor knows exactly where to go.

Coding to NEN-EN 13508-2

NEN-EN 13508-2 is the European standard for describing the condition of drainage after visual inspection. Every observation gets a code, for example for a crack, a deformation, a displaced joint or roots, with additional characteristics and a position on the pipe circumference. The advantage is that a survey report is immediately understandable for another professional, an insurer or the municipality. You can also easily compare a later survey with the first one, to see whether a defect is developing.

As the owner, you do not need to know the codes by heart. The engineer translates them into plain language: what is going on, how serious it is and what the best next step is. You then have both a technically sound report and clear advice, and can make a confident decision about the next step.

CCTV drain survey when buying a home

A building survey looks at what is visible, but the drains usually fall outside its scope. Especially for homes built before 1970 with clay or concrete pipes, houses on soft ground where subsidence is more common and gardens with large trees, a CCTV drain survey gives you certainty. Bosmans carries out this survey before you sign, so you can buy with peace of mind or include any costs in your negotiations.

After the survey: cleaning, repair or relining

A survey is only valuable if it leads to a clear next step. If the pipe is sound but dirty, cleaning with drain jetting is often enough. If there is a crack or displaced joint in one spot, a patch repair with a short liner or replacing one pipe section may do the job. If a longer run is affected, for example an old clay pipe with several cracks and root ingress, relining with a liner that cures inside the pipe is often the best choice. Bosmans gives a 10-year guarantee on relining.

Related services

Also useful to know

Sewer pipe repair and replacementDrain reliningHigh-pressure drain jetting

Good to know

Frequently asked questions about CCTV drain survey

Is your question not listed? Feel free to call us, we will think along with you straight away.

+31 85 200 93 27
Does anything need to be dug up for a CCTV survey?

No. The camera enters the pipe through an existing inspection chamber, a rodding eye or a drain. Even under the floor or under a patio, the engineer can view the pipe this way without breaking anything open.

Do I get the camera footage?

You can watch the footage live during the survey. You also get a report of the findings. If you would like the recording itself, for example for an insurer or buyer, please ask for it in advance.

How long does a drain survey take?

For an average family home, a survey including preparation is often done within a few hours. If the pipe needs a thorough clean first or it is a large building, it takes longer. The engineer gives you an estimate in advance.

Can the camera go round bends?

A push-rod camera can pass the usual bends in a house connection. With very sharp bends or small diameters, the engineer tries another access point. Where that does not work, he explains which section has and has not been surveyed.

What if damage is found?

The engineer discusses the options: a patch repair in one spot, relining of a whole run or replacement. Our work carries a 2-year guarantee, relining 10 years. You decide on the next step yourself.

Service area

CCTV drain survey in your city

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Contact

A drain engineer straight away

For emergencies, call our 24/7 emergency line directly. For a non-urgent appointment, such as a CCTV drain survey or preventive jetting, you can also fill in the form. We will get back to you quickly.

+31 85 200 93 27

Emergency line available now

Call now +31 85 200 93 27