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CCTV before drain relining

A camera inspection helps explain what is happening inside a drain. Before agreeing to relining, ask what the footage shows, what could not be inspected and how the proposed repair addresses the fault.

What CCTV can show

Where a camera can pass and the view is clear, footage can reveal visible cracks, roots, open or displaced joints, deposits and standing water. It can help identify the section needing attention and provide a record to discuss with a contractor.

Ask for the findings to be tied to a named access point and a distance along the inspected run. A camera distance is not, by itself, a confirmed position or depth on your property; ask how any surface location was established.

What it cannot confirm

CCTV records the visible inside surface. It does not show all the ground around the pipe, every hidden defect or the condition of sections the camera did not reach. Water, roots, deposits and bends can limit the view.

Footage alone does not prove a drain is watertight or establish its exact fall. Standing water is a reason to investigate, not a complete diagnosis. Further cleaning, inspection, locating or other checks may be needed before the repair scope is clear.

A visible defect is not automatic proof that relining is suitable. Pipe shape, alignment, connections, preparation and access also matter. A liner follows the existing route; it does not correct the pipe's slope. Compare the reasons for relining or excavation, rather than choosing from an image alone.

Inspection is not repair

An inspection gathers evidence. Cleaning removes material to improve flow or visibility. A repair addresses an agreed defect. These are different tasks: clearing a blockage does not establish that the underlying cause has been fixed, and an inspection booking is not approval for repair work.

Before the visit, confirm what is included, whether cleaning may be needed and how any extra work will be authorised. These are general questions for a contractor, not a list of inspection equipment or services offered by WDDR.

Your inspection checklist

Keep these questions beside the report or quote:

1. Footage and findings: Can I have the recording and a written explanation of the defects? Which sections were inspected, and where was the view unclear or incomplete?
2. Location: Where did the camera enter, in which direction did it travel, and how do the reported distances relate to the property? Are any locations or depths confirmed, or only estimated?
3. Condition: Which finding explains the problem? Why is the proposed repair suitable, and what defects or uncertainties would remain outside its scope?
4. Access: Which access points are needed? Is any local excavation expected, and who is responsible for opening and reinstating the surface? The Khandallah access-work example shows why access belongs in the discussion, not what your property will need.
5. Cleaning: Is preparation included? If deposits or roots obscure the view, will the drain be inspected again after cleaning before a repair is agreed?
6. Quote exclusions: Does the price cover inspection, cleaning, access, repair, connections, disposal, reinstatement and final checks? What is excluded, and who approves variations? Use the cost and quote checklist to compare the same scope.

Checking the finished work

Agree on post-work verification before approving the quote: what will be checked, how the repaired section and affected connections will be identified, and what record you will receive. Ask whether post-work footage is included and what other checks the chosen repair requires.

Compare the completion record with the agreed start and end points, not just a short clip of a clear pipe. Ask for any remaining defects, uninspected sections, maintenance advice and applicable written warranty terms to be explained. A clear-looking image is not a guarantee of future performance.