SPECIALISED PIPELINE REPAIR SPECIALISTS COMPREHENSIVE CATHODIC PROTECTION SERVICES ECDA SURVEYS & DATA MANAGEMENT INTEGRITY OF ASSETS PIPELINE REHABILITATION ADVICE PROFESSIONAL CORROSION & METALLURGICAL EXPERTISE ACTIVE LEAKAGE CONTROL SPECIALISTS

Indirect Inspection

During this phase, the actual overline surveys are carried out. These will include combinations of DCVG, CIS, PCM, C-Scan, soil resistivity surveys and GPS surveys. A minimum of two techniques need to be used in combination for each ECDA region, and the chosen techniques must match the potential threats to integrity that were identified on the pre-assessment step.


Step 1 - Pre-Assessment       Step 2 - Indirect Inspection       Direct Inspection       Step 4 - Post-Assessment