Groundworks WeeklyTechnical
Why channel drains fail on new estates
Most failures start with the wrong load class for the road, not with the drain itself.
Priya Shah, technical manager, Northfield Drainage
Priya Shah has spent 18 years investigating drainage failures on new housing developments. In most of the cases she’s called to, the channel was specified for light loads, then driven over by delivery lorries before the road was finished.
Her advice to site managers: check the load class against the finished road, not the plans.





