Suites 2 & 3, Greenbank House, Swan Lane,
Hindley Green, Wigan, WN2 4AR, United Kingdom
Tel: +44(0)1942 522180 / 522153, Fax: +44(0)1942 522179
pim@dcvg.com or sales@dcvg.com

� Pipeline Integrity Management Ltd. 2008

We Lead - Others Follow

Cathodic Protection

Pipeline Surveys
- Selection of the Most Suitable Inspection Techniques
- Close Interval Pipe to Soil Potential ON and OFF
- DC Voltage Gradient Surveys
- Pipeline Depth, Continuous Soil Resistivity
- Soil Condition

AC and DC Interference
- AC Interference and Corrosion
- DC Traction Interference
- Identification of DC Traction Interference Pickup and Discharge at Coating Faults
- Forced Drainage Systems
- Tellurics

Criteria for Protection
- Interpretation of Criteria for Protection
- 100 mV Polarisation
- Significance of the 850 mV Divide Between Corrosion and Protection
-Compliance to Statutory Codes of Practice

Commercial and Legal Support
- Bid Document Preparation, Bid Evaluation and Vendor Technical Auditing
- Technical Evaluation and Assessment of Contractual Documents
- Evaluation and Assessment of CP Installations for Client Litigation
- Compliance to Statutory Requirements for Operating CP Systems
- Provisions of Expert Witness and Evaluation of Insurance Claims

Back

Poor rectifier maintenance

Shallow anode bed construction

Shorted insulating joint through bypass pipework, uninsulated pipe support and conductive paint coating