Cathodic Protection for Telecom Towers

Date:May 2017
Capability:   Cathodic Protection
CP for telecom

Telecommunication towers around the world allow millions of wireless service users to communicate. These towers are an essential component in our daily lives – both personally and professionally. The structural integrity of these towers is regularly maintained for both operational and safety reasons. In Canada, the CSA Group (CSA) Standard S37, Antennas, Towers, and Antenna-Supporting Structures, typically applies to the design, manufacture, installation, inspection and maintenance of these types of towers. Also included in CSA Standard S37 are requirements for corrosion protection. Corrpro has been working with telecommunication companies for decades to help ensure integrity of their towers by protecting below-grade steel, primarily in anchor points, from corrosion.

Typical guy-wire-supported telecommunication towers are approximately 300 feet tall and require three to six anchor points to keep the tower upright. The integrity of these steel anchor points must be maintained, in part, through the application of effective corrosion control. On many tower sites, cathodic protection is included as part of an overall corrosion control program. In Alberta alone, Corrpro has installed cathodic protection systems at over 400 telecommunication tower sites.


In 2017, Corrpro was contracted to conduct cathodic protection maintenance investigations at a large number of tower sites throughout Alberta. Over 200 tower sites were investigated within a very short time period, with updates provided to the client daily. The investigations included soil analysis, interference investigation, “ON/OFF” potential surveys and full analysis reporting.

Along with the investigation, Corrpro was also tasked with remediation of cathodic protection systems at 41 tower sites. This remediation work included test station repairs, broken cable repairs and new groundbed installs. Of the 41 tower sites requiring remediation, 29 sites required new groundbeds and 12 required repairs.

In alignment with Aegion’s value, RESULTS MATTER, Corrpro provided timely expert services to keep our customer’s telecommunication towers working better, safer and longer.


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