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Sprinkler System Inspection and Corrosion Assessment

Corrosion Assessment Case Studies

ECS Assessment Case Study - Illinois Distribution Center

Determine the extent of corrosion damage

ecs1Fire sprinkler system inspections used to determine the extent of corrosion damage can save significant amounts of piping and money. When complete sprinkler systems are replaced ECS finds that 80% or more of system piping shows no significant signs of corrosion. The most expensive approach is to replace fire sprinkler piping one leak at a time. To determine the extent of corrosion damage that has occurred on the internal pipe walls in fire sprinkler systems, ECS offers a comprehensive Fire Sprinkler System Corrosion Assessment Program.  This process is used to determine the root cause of corrosion, the locations within the piping where damage has occurred and the severity of the damage.  In most cases, it is not necessary to replace the entire fire sprinkler system.   Remediation of the system with surgical pipe replacement and the implementation of a comprehensive corrosion control strategy can save most systems and significantly extend the useful life.

Download the ECS Corrosion Assessment Program Brochure for more information.



 

Activities that support the assessment include:

  • Review of system “as built” drawings, if available
  • Identification of “hot spots” within the system where failures have occurred in the past
  • Location of most likely locations for accelerated rates of corrosion (trapped water or air, high temperature, locations for solids build-up)
  • Interview of building staff who have knowledge of system history (location of failures, repairs that have been performed on the system and any system impairments)
  • Fire sprinkler system activity (test frequency, accidental trips)
  • Outline corrosion management strategy that addresses the key corrosion mechanisms (materials selection and treatment options)
  • Development of surgical pipe replacement plan based on findings
  • Recommendation of complete corrosion management strategy going forward for the system with associated system modifications, corrosion device needs and expected program costs
  • Recommendation for complete in-situ corrosion monitoring strategy
 

Corrosion Leak Frequency

  cumulative corrosion Once the risk profile and status of the existing fire sprinkler system has been determined using the assessment process and analytical tools, the ECS team develops a comprehensive corrosion management strategy moving forward that is ideally suited for the unique attributes of your facility.   We strongly recommend that any facility with a dry pipe fire sprinkler system over 5 years old or a wet pipe fire sprinkler system over 10 years old should have an assessment performed. DO NOT WAIT FOR THE FIRST LEAK. If the assessment is performed before the pipe damage is too severe, a complete corrosion control program including the use of nitrogen gas to inert the system piping can save the system and reduce the leak risk going forward.