Condition Assessment of Force Mains

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Wastewater utilities are under increased pressure to inspect and proactively maintain their buried assets. Condition assessment of gravity sewer pipelines has generally become a standard operating procedure for many wastewater utilities while assessment of force mains has remained a challenge. Force mains are often configured such that inspection using conventional methods is not practical or not meaningful as access points are too far apart, lack of redundancy prevents taking the pipe out of service, and the potential problems with pressure pipe may not be identified with conventional methods.