In-Water Cathodic Protection (CP) Audits — Marseille

A cathodic protection system on a steel pier or piling only works if the anodes are actually protecting the structure — which requires an in-water voltage potential survey to confirm, not an assumption based on anode age. We run a CP probe survey across the structure and link every reading directly to its location on the 3D infrastructure model, so an operator can see which sections are adequately protected and which anodes need replacement at a glance, not buried in a table.

Why it matters in Marseille

France's largest port, and home to DRASSM — France's national department for underwater archaeological research — reflecting the Mediterranean coast's density of documented ancient wreck sites nearby.

A major commercial port sitting alongside France's own underwater archaeology authority makes Marseille a genuine fit for both vessel/infrastructure survey work and non-invasive heritage-site documentation.

Deliverable

A CP survey report with voltage readings mapped onto the 3D structure model, flagging under-protected areas.

Full step-by-step methodology on the In-Water Cathodic Protection (CP) Audits overview — the same process, run out of the Marseille area.

Working in the Marseille area

If there's a in-water cathodic protection (cp) audits requirement in the Marseille area — a single job or an ongoing programme — get in touch to discuss scope and timing.