A pilot study for retrospective evaluation of cured-in-place pipe (CIPP) rehabilitation of municipal gravity sewers

► A very rare in-depth evaluation of CIPP liners after years of service. ► Evaluation of the usefulness of various types of testing for tracking the deterioration of CIPP liners in-service. ► Preliminary observations on the potential life-cycle for CIPP liners. ► The study is intended as a pilot study for more extensive evaluations of CIPP liners and other rehabilitation technologies.