For sewer and maintenance hole rehabilitation for various locations with the City of Toronto, this work includes, but is not limited to, mainline sanitary, storm and combined gravity sewers rehabilitation using Cured-In-Place Pipe (CIPP) method or other City approved methods (for selective sewer(s)). The Project also includes miscellaneous pre-lining repairs to facilitate the mainline sewer lining works and other repairs within the same geographical area.