A CCTV survey lets a drainage engineer see inside the pipe, record its condition and distinguish a temporary blockage from a defect that needs repair.
Knowledge centre
Clear guidance before the job starts.
Practical answers about drainage inspection, urgent blockages and working safely around underground services.
Blocked drain: what to do first
Safe immediate actions, warning signs and when to call an engineer.
Safe excavation near underground services
The plan, locate and safe-dig principles behind controlled work.
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