Avulamanda to Pathanancharapuram Road, ANDHRA PRADESH | Periyavadugappti to Mangasolilpalayam Road, TAMIL NADU |
Whenever, water courses (drains) cross the alignment of the road, Cross Drainage (CD) works are provided as required, based on flood discharge and the linear water way computed therefrom.
Mirajpur to Shamachak Road, JAMMU & KASHMIR | Thalora to Tazoor, JAMMU & KASHMIR |
There are many types of cross drainage works. The type of CD works depends on the flood discharge and the site conditions. These may include pipe culverts, box culverts, RCC Slab Culverts and Causeways. Some time s only a flushed causeway is sufficient but if a discharge is more, a vented Causeway is provided.
Protection works like stone pitching and retaining walls are constructed as per the requirement based on the site conditions. This is particularly important in the hills.