Knowledge centre
Clear guidance before the job starts.
Practical answers about drainage inspection, urgent blockages and working safely around underground services.
What does a CCTV drain survey show?
Equipment, findings, outputs and when a survey is worth doing.
Guide · 5 min
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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