Crush Lining

See Pipe EatingSee In-Line Microtunneling..

CSO

Combined SewerAn underground pipe or conduit for transporting stormwater and/or wastewater. Overflow; a hydraulic relief point within combined sewer systems designed to discharge excess flows during wet weather to receiving waters.

Cured-in-Place Pipe (CIPP)

A lining system in which a thin flexible tube of polymer or glass fibre fabric is impregnated with thermoset resin and expanded by means of fluid pressure into position on the inner wall of a defective pipeline before curing the resin to harden the material. The uncured material may be installed by winch or inverted by water or air pressure, with or without the aid of a turning belt.

Customer

Sewer structure owner, specifically the one requesting the inspection work.

Cut and Cover

See Open Cut.