Our services

We offer drainage surveys, remediation and VRS surveys and renewals across England & Wales.

We can manage projects end-to-end as Principal Contractor, or integrate seamlessly into a Tier 1 delivery team. Either way, our small but mighty team moves at a pace our competitors can't match.

A DDC operative in hi-vis fitting a drainage survey camera crawler inside the survey vehicle

Surveys

CS551 and CD535-compliant drainage surveys, delivered to the most exacting standards in the industry.

Condition and connectivity surveys to CS551 and CD535
OS19X-compliant CCTV inspections
Inlet/outlet and filter drain surveys
Confined space and deep chamber inspections
Soakaway Chamber Cleansing & Inspection

A DDC engineer at the control desk of a CCTV survey unit, watching a live pipe inspection and a map of the route

Detection & Remediation

A data-led approach to drainage failures and defects of all kinds.

Emergency and planned defect responses
Jetting, root cutting, silt removal
Patch repairs, relining, and chamber upgrades
Inlet/outlet reinstatement
Headwall repairs and replacements

A motorway at dusk, light trails from traffic either side of the steel central reservation barrier

VRS: Survey & Renewal

Vehicle Restraint System surveys and renewals, with the same accuracy as our drainage work.

VRS condition surveys, defect identification and structural testing across mainline, slip roads, central reserve and structures
Post and foundation testing, ground-penetrating radar and buried-services investigation
Structured survey and test data for scheme design and the Road Restraint Risk Assessment Process
Barrier, terminal, crash-cushion and parapet replacement via NHSS 10B-accredited teams (incorporating 2B & 5B)