Drainage channel and intercepting channel

- Jul 23, 2018-

Intercepting channel, also known as the open trench, it refers to intercepting the water flowing to the roadbed on the hillside, and intercepting the water flow in the ditch provided outside the top of the curb.

Drainage channel, it is usually placed under the filling roadbed to drain water.

timg.jpg  trench drain and kerbs for driveway  2018-6-15.jpg