The owner and fire sprinkler contractor decided to apply Engineered Corrosion SoluƟons wet pipe nitrogen inerƟng technology based on the results achieved from other WPNI applicaƟons in similar condiƟons.
The video scoping evidence proved conclusively that 80% of the 24‐year‐old piping in place had very liƩle internal corrosion damage. The piping components that exhibited corrosion were selecƟvely replaced. During the month of July 2011 nitrogen inerƟng vents and injecƟon ports were installed on each of the zones. The total cost to the owner for deploying the limited pipe replacement/nitrogen inerƟng approach was $80,000. RepresenƟng an approximately 90% total reducƟon in repair costs. Since iniƟal inerƟng of the 13 wet pipe fire sprinkler systems there have been no leaks reported at the facility.