Drainage pipes are manufactured according to TS 9128 standards. Drainage pipes are used for drainig water from constrution foundation,muddy areas and irrigation field. Drainage Pipes are manufactured in 100mm, 160mm and 200mm diameters. It is very important to use sand and chipping during installation of pipes to the land. A drainage system does not function if sand, chipping and bedding processes is not applied. After installation, in order to check if there is any collapse in drainage pipes, a control should be made with a rodding device. It is important to check min. %5 of the total project with a rodding device to keep the project safe and system working functional.