Author Info Michigan Department of Transporationwww.michigan.govProduct Tags: S1E PipePatch Quote The Michigan Department of Transportation needed a remedy to repair multiple fractures in newly installed concrete pipe. Due to the high strength and thin finish, PipePatch was chosen and approved by MDOT. After post installation inspection of the new Storm Sewer, several locations within the new infrastructure did not pass MDOT’s approval. Instead of tearing out the new highway and newly installed storm sewer, PipePatch is used to cover all defects during the project.