Protecting your investments since 1979.

Shane Lewis

Time is money. 

Cathodic protection rectifiers are installed at extensive distances from neighboring rectifiers in an impressed current system.  In the past, this would require personnel to spend prolonged traveling time between the various locations just to access the unit.  

Remote monitoring units with GPS interruption capabilities save the operator a substantial amount of time. At a glance, personnel can monitor the various operating parameters of a rectifier without even opening the cabinet. The operator receives notification of operating malfunctions or failures once one occurs.  

This allows personnel to respond to outages and return the rectifier to normal operating condition. An internal interrupter allows the operator to cycle the rectifier without having to visit the unit.  Satellite synchronized interruption of all units facilitates annual surveys and assists in troubleshooting a

Austin Ray has joined Southern Cathodic Protection Company in Atlanta, GA. Mr. Ray has been appointed as SCPC's Marketing/Compliance Manager.

Southern Cathodic Protection features Casing Inspections:

ULC Robotics

Southern Cathodic features the following lines of rectifiers:


Southern Cathodic features the following lines of reference cells:


Southern Cathodic Protection offers coating evaluation:



Southern Cathodic features flange protection:

Dairyland Electrical Industries


Southern Cathodic provides custom designed remote monitoring systems.

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Facts About Impressed Current Cathodic Protection (ICCP)

The cathodic protection current of an Impressed Current Cathodic Protection (ICCP) system is obtained from an external source such as the local utility company which can impose a current sufficient to counteract the existing currents of the corrosion cell. The current is "impressed" on the corroding structure through the use of relatively inert anode materials.

Typical Components

Typically an impressed current cathodic protection system for a concrete structure will contain the following components.

DC Power source
Inert anode material
Wiring and conduit
Monitoring devices
The local utility is the most common source of external power for the system. This is of course AC current and must therefore be converted to DC current for use in the CP system. Rectifiers are available in a variety of sizes and types to satisfy the needs of all corrosion prevention situations.

The Anode

Anode material in an ICCP system is a relatively

Advantages of Impressed Current Cathodic Protection (ICCP)

Impressed current cathodic protection was first applied to a bridge deck in 1973. Today that structure shows no signs of deterioration due to corrosion. Such long term corrosion control combined with advantages listed below make ICCP a wise choice.

More Advantages
  • Non-destructive installation
  • Easy installation
  • Long anode life
  • Maintains structure aesthetics
  • Maintains structure integrity
  • Cost Savings
  • Long term corrosion control
  • Minimal disruption during installation
  • Preservation of facades
  • Conservation of infrastructur

The Solution: Cathodic Protection Treats Cause

The Federal Highway Administration has found that cathodic protection is the only proven technology for stopping corrosion once concrete is contaminated with salt.

In many cases the best and most economical solution is a cathodic protection system installed by specially trained NACE certified corrosion specialists at Southern Cathodic Protection Company.


Conventional Repair

Conventional concrete repair methods typically treat the symptoms, but not the cause of corrosion damage. Removing delaminated concrete and patching does not address the chloride contamination or lower the pH in the adjacent concrete. In fact, patching often results in a new corrosion cell in areas next to the repair work. This can actually accelerate corrosion and within a few years, significant concrete damage can occur. Meanwhile, corrosion continues to weaken the rebar.

A variety of maintenance options are available for corrosion damaged bridges

The Problem: Corrosion of Steel in Concrete

More than $5 billion is spent each year to repair and rebuild concrete structures damaged by corrosion of reinforcing steel. This damage is seen every day on bridges, buildings, parking ramps and other steel-reinforced concrete structures.

The Cause: Contamination

When first poured and cured, concrete provides a friendly environment for steel. But it can turn hostile over time as several substances penetrate the concrete. Carbonation occurs when carbon dioxide enters the concrete, reacting with the lime and lowering the pH. In addition, chloride ions from deicing salts or salt-laden air can combine with water and oxygen to create a corrosive environment. An electrochemical corrosion cell is established and the process of delamination begins. As the rebar corrodes, rust forms and takes up more volume than the steel it replaces. This puts expansive forces on the concrete, which ultimately lead to cracking, spalling, and delamination of the

Advantages of Cathodic Protection

When cathodic protection is the right corrosion control method it has both technical and economic advatages. These advantages stem from the fact that cathodic protection is a simple yet elegant application of fundamental laws of nature.

Technical Advantages
Economic Advantages
  • Stops corrosion in contaminated concrete
  • Prevents corrosion from beginning
  • Effectiveness may be measured
  • Proven in tens of thousands of applications
  • Based on fundamental laws of nature
  • Economical to install
  • Economical to maintain
  • Prevents costly restoration



Cathodic Protection for Transit Systems

Transit systems experience corrosion problems relating to the discharge of stray current that can adversely affect underground utilities. Southern Cathodic Protection Company engineers assist transit systems and utility companies in their efforts to:

  • Control stray current
  • Isolate track
  • Select materials for optimum corrosion resistance
  • Apply dielectric/metallic coatings
  • Design and install cathodic protection

Cathodic Protection for Airports

Economy of operation, public safety and environmental protection are major concerns of airport operators. Solving corrosion problems is important to each of these goals. Southern Cathodic Protection Company engineers are involved in the design of new facilities to minimize the future effects of corrosion on the structures. Regardless of their size, civilian airports and military air bases have a number of underground structures where corrosion damage can severely impair service and safety. These include:

  • Fueling systems
  • Water and wastewater lines
  • Lighting and communication equipment
  • De-icing systems
  • Structural supports
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