Water Main / Fire Line Rehabilitation


Courtesy of CuraFlo

Dirty brown water and poor water flow were the first clues that a mid-Atlantic commercial property owner had a problem. Then the owner was put on notice by the local fire department that the water supply lines were no longer meeting the required flow requirements. Four hydrants on the owner’s property were flowing between 200 to 300 gallons per minute due to heavy corrosion-induced tuberculation -- well below the 1,000 gallons per minute required by code. The owner called CuraFlo Mid-Atlantic/Associates Plumbing Inc. to see if there was an alternative to digging up and replacing the existing piping.

The property manager was hoping to find an option that would avoid tearing up the property’s extensive landscaping. The manager was also concerned about disruption to customers and tenants, preventing future corrosion, and finding a solution that would provide long-term improved water quality and supply – all at an affordable price.

The local CuraFlo® dealer suggested CuraFlo’s Triton Spincast System™ as a way to rehabilitate the water main without digging up the pipes and surrounding property. The Triton Spincast System renews 3” to 36” pipes while still in place. First, the pipes are cleaned to eliminate debris and corrosion buildup. Then, using centrifugal force, a protective epoxy coating is spun onto the inside surface of the metal or cement pipes, creating a seamless and protective barrier. The system eliminates corrosion, prevents its reoccurrence, and restores water flow.

The property owner reviewed CuraFlo’s process and 10 year, 300,000+ linear feet history of successfully rehabilitating North American water mains. He was satisfied that the Triton System offered proven long-term performance and attractive cost and time savings versus replacement. The solution also ensured that no tenants were ever without water.

CuraFlo cleaned and lined over 1,200 linear feet of 6” and 8” cast iron mains in less than one week of on-site time, with no disruption in service to the owners’ customers and only minor, temporary property impact.

The results were full restoration of all potable water and hydrant supply pipes on the property. Water flow was restored and all four fire hydrants now supply water at rates equal to or above code requirements of 1,000 gallons per minute.

Project Summary
• 1,200 linear feet of 6”/8” C/I Water Main
• System feeds water to multiple buildings and to four fire hydrants
• Pipe system extremely constricted from corrosion-induced tuberculation
• System flow had fallen to between 200 and 300 gallons per minute
• Full restoration took place in less than two weeks
• Restored mains now provide over 1,000 gallons per minute to all fire hydrants.

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