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Corporately, we have participated in more than 100 projects involving DC stray current interference since 1950, ranging from interference testing on a pipeline related to a foreign groundbed, to mitigation of stray current interference due to telluric currents or DC transit systems.
 
Our areas of expertise include:
  • Foreign cathodic protection systems
  • Light Rail Transit (LRT) Systems – DC Traction Systems
  • Telluric Currents due to fluctuations in the earth’s geomagnetic
    • field
  • High Voltage DC (HVDC) Powerlines
We offer the following related services:
  • Interference testing
  • Stray-current surveys on utilities
  • Utility drainage bond surveys
  • Design of interference mitigation systems
  • Track-to-earth resistance testing
  • Corrosion consulting on design of Light Rail Transit Systems
  • Mitigation of telluric currents on pipelines
  • Assessment and mitigation of interference related to HVDC lines
 


  Other areas of expertise:
 
    AC Interference:
Field survey, modeling, mitigation, etc… 		    Corrosion Studies & Investigations:
Material studies, soil corrosivity studies, failure analysis, etc…
 
    DC Interference:
Foreign CP systems, Light rail transit systems, HVDC, Tellurics, etc...		     Pipeline Integrity (ECDA)
 
    Cathodic Protection:
Pipelines, storage tanks, plants and refineries, reinforced concrete, marine, etc…		     Addtional Services:
Grounding System Design, Education, Expert Testimony, Anodic Protection, Research, etc…
 
               
     
 
     
 
 
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