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Above-ground survey techniques for locating coating defects and assessing cathodic protection systems.

From Inspection Requirement
to Clear Action.

A focused inspection process designed to turn technical requirements into reliable, actionable information.

01

Understand the Requirement

The project-specific requirement that targets the above-ground survey assessment of coating condition in buried pipeline and assessing cathodic-protection systems.
02

Inspect with Purpose

Surface electrodes measure voltage gradients along the pipeline route to locate coating defects and cathodic protection current flow.
03

Analyse the Findings

Voltage-gradient data is analysed to pinpoint and classify coating condition and assess cathodic protection effectiveness.
04

Report for Action

A inspection survey report with details of coating-defect location and severity ranking evaluated against project-specific criteria is issued.
DC & AC Voltage Gradient
ADVANCED INSPECTION DC & AC Voltage Gradient
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