Barrier coating corrosion control methods and systems for interior piping systems

A method of cleaning and applying a corrosion resistant barrier coating to an existing building piping system, wherein the piping system delivers water throughout a building, comprising the steps of:

• isolating pressurized water supply pipes in the existing building piping system;
• passing an air stream through the pressurized water supply pipes;
• introducing an abrasive cleaning agent into the air stream;
• cleaning interior walls of the pressurized water supply pipes with the abrasive cleaning agent;
• collecting resulting debris from the cleaning of the pressurized water supply pipes;
• applying a coating to interior walls of the pipes to provide an interior barrier for protecting the interior walls of the pressurized water supply pipes so that the pressurized water supply pipes of the existing building piping system can be restored to service.

A method of mixing and applying a corrosion resistant barrier coating to an existing pressurized water supply piping system in a multi-story building, wherein the piping system delivers water throughout the multi-story building, comprising the steps of:

• isolating pressurized water supply pipes in the existing multi-story piping system;
• generating air into the pressurized water supply pipes;
• introducing a nonliquid cleaning agent that includes an abrasive medium into the generated air;
• cleaning the pressurized water supply pipes with the nonliquid agent;
• mixing an epoxy material to form a barrier coating;
• applying the barrier coating to interior walls of the pressurized water supply pipes without dismantling all of the piping system, wherein the barrier coating provides an interior barrier for protecting the interior walls of the pressurized water supply pipes;
• and
• restoring the pressurized water supply pipes of the existing piping system to service within approximately twenty four hours to approximately ninety six hours.