Precast concrete U Drains allow for speedier construction of channels with no wet cast concrete work. Siddhivinayak Precast manufactures a full range of U shaped drains. These drains range in widths from 300 mm to 1200 mm. They are produced in strict factory controlled conditions that ensure high quality. Besides storm water drainage, these types of drains are also used to house underground cables and waterlines in industrial setup.